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Posted to commits@datasketches.apache.org by gi...@apache.org on 2026/09/07 19:26:35 UTC
(datasketches-cpp) branch gh-pages updated: deploy: 88a5761ee33a0e856bc093b75ccf29d265405539
This is an automated email from the ASF dual-hosted git repository.
github-actions[bot] pushed a commit to branch gh-pages
in repository https://gitbox.apache.org/repos/asf/datasketches-cpp.git
The following commit(s) were added to refs/heads/gh-pages by this push:
new fc0ca20 deploy: 88a5761ee33a0e856bc093b75ccf29d265405539
fc0ca20 is described below
commit fc0ca2044efb804b4f455184c60fa096aadb0ea0
Author: leerho <le...@users.noreply.github.com>
AuthorDate: Mon Sep 7 19:26:30 2026 +0000
deploy: 88a5761ee33a0e856bc093b75ccf29d265405539
---
docs/master/CouponList-internal_8hpp_source.html | 4 +-
docs/master/Hll4Array-internal_8hpp_source.html | 6 +-
docs/master/Hll4Array_8hpp_source.html | 2 +-
docs/master/Hll6Array-internal_8hpp_source.html | 6 +-
docs/master/Hll6Array_8hpp_source.html | 2 +-
docs/master/Hll8Array-internal_8hpp_source.html | 6 +-
docs/master/Hll8Array_8hpp_source.html | 2 +-
docs/master/HllArray-internal_8hpp_source.html | 1164 ++++++++++----------
docs/master/HllArray_8hpp_source.html | 2 +-
docs/master/HllSketch-internal_8hpp_source.html | 702 ++++++------
.../master/HllSketchImpl-internal_8hpp_source.html | 230 ++--
docs/master/HllSketchImplFactory_8hpp_source.html | 225 ++--
docs/master/HllSketchImpl_8hpp_source.html | 34 +-
docs/master/HllUnion-internal_8hpp_source.html | 228 ++--
docs/master/HllUtil_8hpp_source.html | 346 +++---
docs/master/hll_8hpp_source.html | 358 +++---
16 files changed, 1658 insertions(+), 1659 deletions(-)
diff --git a/docs/master/CouponList-internal_8hpp_source.html b/docs/master/CouponList-internal_8hpp_source.html
index 523c0ee..b652f86 100644
--- a/docs/master/CouponList-internal_8hpp_source.html
+++ b/docs/master/CouponList-internal_8hpp_source.html
@@ -116,7 +116,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span>CouponList<A>::CouponList(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, hll_mode mode, <span class="keyword">const</span> A& allocator):</div>
-<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>HllSketchImpl<A>(lgConfigK, tgtHllType, mode, false),</div>
+<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>HllSketchImpl<A>(lgConfigK, tgtHllType, mode),</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>couponCount_(0),</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>oooFlag_(false),</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>coupons_(1ULL << (mode == hll_mode::LIST ? hll_constants::LG_INIT_LIST_SIZE : hll_constants::LG_INIT_SET_SIZE), 0, allocator)</div>
@@ -124,7 +124,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>CouponList<A>::CouponList(<span class="keyword">const</span> CouponList& that, <span class="keyword">const</span> target_hll_type tgtHllType):</div>
-<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>HllSketchImpl<A>(that.lgConfigK_, tgtHllType, that.mode_, false),</div>
+<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>HllSketchImpl<A>(that.lgConfigK_, tgtHllType, that.mode_),</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>couponCount_(that.couponCount_),</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span>oooFlag_(that.oooFlag_),</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>coupons_(that.coupons_)</div>
diff --git a/docs/master/Hll4Array-internal_8hpp_source.html b/docs/master/Hll4Array-internal_8hpp_source.html
index a5d2579..f521e94 100644
--- a/docs/master/Hll4Array-internal_8hpp_source.html
+++ b/docs/master/Hll4Array-internal_8hpp_source.html
@@ -113,8 +113,8 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacedatasketches.html">datasketches</a> {</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>Hll4Array<A>::Hll4Array(uint8_t lgConfigK, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator):</div>
-<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>HllArray<A>(lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>, startFullSize, allocator),</div>
+<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>Hll4Array<A>::Hll4Array(uint8_t lgConfigK, <span class="keyword">const</span> A& allocator):</div>
+<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>HllArray<A>(lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>, allocator),</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span>auxHashMap_(nullptr)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">const</span> uint32_t numBytes = this->hll4ArrBytes(lgConfigK);</div>
@@ -136,7 +136,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>Hll4Array<A>::Hll4Array(<span class="keyword">const</span> HllArray<A>& other) :</div>
-<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> HllArray<A>(other.getLgConfigK(), <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>, other.isStartFullSize(), other.getAllocator()),</div>
+<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> HllArray<A>(other.getLgConfigK(), <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>, other.getAllocator()),</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> auxHashMap_(nullptr)</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>{</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">const</span> <span class="keywordtype">int</span> numBytes = this->hll4ArrBytes(this->lgConfigK_);</div>
diff --git a/docs/master/Hll4Array_8hpp_source.html b/docs/master/Hll4Array_8hpp_source.html
index b920b64..1d86805 100644
--- a/docs/master/Hll4Array_8hpp_source.html
+++ b/docs/master/Hll4Array_8hpp_source.html
@@ -111,7 +111,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">class </span>Hll4Array final : <span class="keyword">public</span> HllArray<A> {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">public</span>:</div>
-<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">explicit</span> Hll4Array(uint8_t lgConfigK, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator);</div>
+<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">explicit</span> Hll4Array(uint8_t lgConfigK, <span class="keyword">const</span> A& allocator);</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">explicit</span> Hll4Array(<span class="keyword">const</span> Hll4Array<A>& that);</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">explicit</span> Hll4Array(<span class="keyword">const</span> HllArray<A>& that);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
diff --git a/docs/master/Hll6Array-internal_8hpp_source.html b/docs/master/Hll6Array-internal_8hpp_source.html
index 0f01598..16d5e4f 100644
--- a/docs/master/Hll6Array-internal_8hpp_source.html
+++ b/docs/master/Hll6Array-internal_8hpp_source.html
@@ -110,8 +110,8 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacedatasketches.html">datasketches</a> {</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span>Hll6Array<A>::Hll6Array(uint8_t lgConfigK, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator):</div>
-<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>HllArray<A>(lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>, startFullSize, allocator)</div>
+<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span>Hll6Array<A>::Hll6Array(uint8_t lgConfigK, <span class="keyword">const</span> A& allocator):</div>
+<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>HllArray<A>(lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>, allocator)</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span>{</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">const</span> <span class="keywordtype">int</span> numBytes = this->hll6ArrBytes(lgConfigK);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> this->hllByteArr_.resize(numBytes, 0);</div>
@@ -119,7 +119,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>Hll6Array<A>::Hll6Array(<span class="keyword">const</span> HllArray<A>& other) :</div>
-<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> HllArray<A>(other.getLgConfigK(), <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>, other.isStartFullSize(), other.getAllocator())</div>
+<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> HllArray<A>(other.getLgConfigK(), <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>, other.getAllocator())</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>{</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">const</span> <span class="keywordtype">int</span> numBytes = this->hll6ArrBytes(this->lgConfigK_);</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> this->hllByteArr_.resize(numBytes, 0);</div>
diff --git a/docs/master/Hll6Array_8hpp_source.html b/docs/master/Hll6Array_8hpp_source.html
index 996786b..c218017 100644
--- a/docs/master/Hll6Array_8hpp_source.html
+++ b/docs/master/Hll6Array_8hpp_source.html
@@ -113,7 +113,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">class </span>Hll6Array final : <span class="keyword">public</span> HllArray<A> {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">public</span>:</div>
-<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> Hll6Array(uint8_t lgConfigK, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator);</div>
+<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> Hll6Array(uint8_t lgConfigK, <span class="keyword">const</span> A& allocator);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">explicit</span> Hll6Array(<span class="keyword">const</span> HllArray<A>& that);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">virtual</span> ~Hll6Array() = <span class="keywordflow">default</span>;</div>
diff --git a/docs/master/Hll8Array-internal_8hpp_source.html b/docs/master/Hll8Array-internal_8hpp_source.html
index d335eb4..a886a99 100644
--- a/docs/master/Hll8Array-internal_8hpp_source.html
+++ b/docs/master/Hll8Array-internal_8hpp_source.html
@@ -108,8 +108,8 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacedatasketches.html">datasketches</a> {</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>Hll8Array<A>::Hll8Array(uint8_t lgConfigK, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator):</div>
-<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span>HllArray<A>(lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>, startFullSize, allocator)</div>
+<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>Hll8Array<A>::Hll8Array(uint8_t lgConfigK, <span class="keyword">const</span> A& allocator):</div>
+<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span>HllArray<A>(lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>, allocator)</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span>{</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">const</span> <span class="keywordtype">int</span> numBytes = this->hll8ArrBytes(lgConfigK);</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> this->hllByteArr_.resize(numBytes, 0);</div>
@@ -117,7 +117,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>Hll8Array<A>::Hll8Array(<span class="keyword">const</span> HllArray<A>& other):</div>
-<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> HllArray<A>(other.getLgConfigK(), <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>, other.isStartFullSize(), other.getAllocator())</div>
+<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> HllArray<A>(other.getLgConfigK(), <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>, other.getAllocator())</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">const</span> <span class="keywordtype">int</span> numBytes = this->hll8ArrBytes(this->lgConfigK_);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> this->hllByteArr_.resize(numBytes, 0);</div>
diff --git a/docs/master/Hll8Array_8hpp_source.html b/docs/master/Hll8Array_8hpp_source.html
index 103ae6f..63b8de2 100644
--- a/docs/master/Hll8Array_8hpp_source.html
+++ b/docs/master/Hll8Array_8hpp_source.html
@@ -113,7 +113,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">class </span>Hll8Array final : <span class="keyword">public</span> HllArray<A> {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">public</span>:</div>
-<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> Hll8Array(uint8_t lgConfigK, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator);</div>
+<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> Hll8Array(uint8_t lgConfigK, <span class="keyword">const</span> A& allocator);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">explicit</span> Hll8Array(<span class="keyword">const</span> HllArray<A>& that);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">virtual</span> ~Hll8Array() = <span class="keywordflow">default</span>;</div>
diff --git a/docs/master/HllArray-internal_8hpp_source.html b/docs/master/HllArray-internal_8hpp_source.html
index 3aebfa3..7f46bbb 100644
--- a/docs/master/HllArray-internal_8hpp_source.html
+++ b/docs/master/HllArray-internal_8hpp_source.html
@@ -118,8 +118,8 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacedatasketches.html">datasketches</a> {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>HllArray<A>::HllArray(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator):</div>
-<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>HllSketchImpl<A>(lgConfigK, tgtHllType, hll_mode::HLL, startFullSize),</div>
+<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>HllArray<A>::HllArray(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keyword">const</span> A& allocator):</div>
+<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>HllSketchImpl<A>(lgConfigK, tgtHllType, hll_mode::HLL),</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>hipAccum_(0.0),</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>kxq0_(1 << lgConfigK),</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>kxq1_(0.0),</div>
@@ -132,7 +132,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>HllArray<A>::HllArray(<span class="keyword">const</span> HllArray& other, target_hll_type tgtHllType) :</div>
-<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> HllSketchImpl<A>(other.getLgConfigK(), tgtHllType, hll_mode::HLL, other.isStartFullSize()),</div>
+<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> HllSketchImpl<A>(other.getLgConfigK(), tgtHllType, hll_mode::HLL),</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// remaining fields are initialized to empty sketch defaults</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// and left to subclass constructor to populate</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> hipAccum_(0.0),</div>
@@ -192,597 +192,595 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType = HllSketchImpl<A>::extractTgtHllType(data[hll_constants::MODE_BYTE]);</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> oooFlag = ((data[hll_constants::FLAGS_BYTE] & hll_constants::OUT_OF_ORDER_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> comapctFlag = ((data[hll_constants::FLAGS_BYTE] & hll_constants::COMPACT_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
-<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> startFullSizeFlag = ((data[hll_constants::FLAGS_BYTE] & hll_constants::FULL_SIZE_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
-<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
-<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">const</span> uint8_t lgK = data[hll_constants::LG_K_BYTE];</div>
-<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> uint8_t curMin = data[hll_constants::HLL_CUR_MIN_BYTE];</div>
-<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
-<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">const</span> uint32_t arrayBytes = hllArrBytes(tgtHllType, lgK);</div>
-<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (len < <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(hll_constants::HLL_BYTE_ARR_START + arrayBytes)) {</div>
-<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Input array too small to hold sketch image"</span>);</div>
-<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
-<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
-<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordtype">double</span> hip, kxq0, kxq1;</div>
-<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::memcpy(&hip, data + hll_constants::HIP_ACCUM_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
-<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> std::memcpy(&kxq0, data + hll_constants::KXQ0_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
-<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> std::memcpy(&kxq1, data + hll_constants::KXQ1_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
-<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
-<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> uint32_t numAtCurMin, auxCount;</div>
-<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> std::memcpy(&numAtCurMin, data + hll_constants::CUR_MIN_COUNT_INT, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div>
-<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> std::memcpy(&auxCount, data + hll_constants::AUX_COUNT_INT, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div>
-<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
-<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> AuxHashMap<A>* auxHashMap = <span class="keyword">nullptr</span>;</div>
-<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">typedef</span> std::unique_ptr<AuxHashMap<A>, std::function<void(AuxHashMap<A>*)>> aux_hash_map_ptr;</div>
-<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> aux_hash_map_ptr aux_ptr;</div>
-<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">if</span> (auxCount > 0) { <span class="comment">// necessarily TgtHllType == HLL_4</span></div>
-<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> uint8_t auxLgIntArrSize = data[4];</div>
-<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> offset = hll_constants::HLL_BYTE_ARR_START + arrayBytes;</div>
-<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">const</span> uint8_t* auxDataStart = data + offset;</div>
-<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> auxHashMap = AuxHashMap<A>::deserialize(auxDataStart, len - offset, lgK, auxCount, auxLgIntArrSize, comapctFlag, allocator);</div>
-<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> aux_ptr = aux_hash_map_ptr(auxHashMap, auxHashMap->make_deleter());</div>
-<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> }</div>
-<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
-<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> HllArray<A>* sketch = HllSketchImplFactory<A>::newHll(lgK, tgtHllType, startFullSizeFlag, allocator);</div>
-<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> sketch->putCurMin(curMin);</div>
-<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> sketch->putOutOfOrderFlag(oooFlag);</div>
-<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">if</span> (!oooFlag) { sketch->putHipAccum(hip); }</div>
-<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> sketch->putKxQ0(kxq0);</div>
-<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> sketch->putKxQ1(kxq1);</div>
-<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> sketch->putNumAtCurMin(numAtCurMin);</div>
-<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
-<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> std::memcpy(sketch->hllByteArr_.data(), data + hll_constants::HLL_BYTE_ARR_START, arrayBytes);</div>
-<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
-<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> ((Hll4Array<A>*)sketch)->putAuxHashMap(auxHashMap);</div>
-<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> }</div>
-<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
-<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> aux_ptr.release();</div>
-<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">return</span> sketch;</div>
-<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>}</div>
-<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
-<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span>HllArray<A>* HllArray<A>::newHll(std::istream& is, <span class="keyword">const</span> A& allocator) {</div>
-<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> uint8_t listHeader[8];</div>
-<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> read(is, listHeader, 8 * <span class="keyword">sizeof</span>(uint8_t));</div>
-<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
-<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">if</span> (listHeader[hll_constants::PREAMBLE_INTS_BYTE] != hll_constants::HLL_PREINTS) {</div>
-<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Incorrect number of preInts in input stream"</span>);</div>
-<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> }</div>
-<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">if</span> (listHeader[hll_constants::SER_VER_BYTE] != hll_constants::SER_VER) {</div>
-<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Wrong ser ver in input stream"</span>);</div>
-<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> }</div>
-<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">if</span> (listHeader[hll_constants::FAMILY_BYTE] != hll_constants::FAMILY_ID) {</div>
-<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Input stream is not an HLL sketch"</span>);</div>
-<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> }</div>
-<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
-<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> hll_mode mode = HllSketchImpl<A>::extractCurMode(listHeader[hll_constants::MODE_BYTE]);</div>
-<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">if</span> (mode != HLL) {</div>
-<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Calling HLL constructor with non-HLL mode data"</span>);</div>
-<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> }</div>
-<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
-<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType = HllSketchImpl<A>::extractTgtHllType(listHeader[hll_constants::MODE_BYTE]);</div>
-<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> oooFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::OUT_OF_ORDER_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
-<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> comapctFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::COMPACT_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
-<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> startFullSizeFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::FULL_SIZE_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
-<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
-<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">const</span> uint8_t lgK = listHeader[hll_constants::LG_K_BYTE];</div>
-<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">const</span> uint8_t curMin = listHeader[hll_constants::HLL_CUR_MIN_BYTE];</div>
-<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
-<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> HllArray* sketch = HllSketchImplFactory<A>::newHll(lgK, tgtHllType, startFullSizeFlag, allocator);</div>
-<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">typedef</span> std::unique_ptr<HllArray<A>, std::function<void(HllSketchImpl<A>*)>> hll_array_ptr;</div>
-<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> hll_array_ptr sketch_ptr(sketch, sketch->get_deleter());</div>
-<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> sketch->putCurMin(curMin);</div>
-<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> sketch->putOutOfOrderFlag(oooFlag);</div>
-<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
-<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">const</span> <span class="keyword">auto</span> hip = read<double>(is);</div>
-<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">const</span> <span class="keyword">auto</span> kxq0 = read<double>(is);</div>
-<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">const</span> <span class="keyword">auto</span> kxq1 = read<double>(is);</div>
-<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">if</span> (!oooFlag) { sketch->putHipAccum(hip); }</div>
-<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> sketch->putKxQ0(kxq0);</div>
-<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> sketch->putKxQ1(kxq1);</div>
-<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
-<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">const</span> <span class="keyword">auto</span> numAtCurMin = read<uint32_t>(is);</div>
-<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">const</span> <span class="keyword">auto</span> auxCount = read<uint32_t>(is);</div>
-<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> sketch->putNumAtCurMin(numAtCurMin);</div>
+<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
+<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">const</span> uint8_t lgK = data[hll_constants::LG_K_BYTE];</div>
+<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">const</span> uint8_t curMin = data[hll_constants::HLL_CUR_MIN_BYTE];</div>
+<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
+<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">const</span> uint32_t arrayBytes = hllArrBytes(tgtHllType, lgK);</div>
+<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">if</span> (len < <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(hll_constants::HLL_BYTE_ARR_START + arrayBytes)) {</div>
+<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Input array too small to hold sketch image"</span>);</div>
+<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div>
+<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
+<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordtype">double</span> hip, kxq0, kxq1;</div>
+<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> std::memcpy(&hip, data + hll_constants::HIP_ACCUM_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
+<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::memcpy(&kxq0, data + hll_constants::KXQ0_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
+<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> std::memcpy(&kxq1, data + hll_constants::KXQ1_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
+<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
+<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> uint32_t numAtCurMin, auxCount;</div>
+<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> std::memcpy(&numAtCurMin, data + hll_constants::CUR_MIN_COUNT_INT, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div>
+<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> std::memcpy(&auxCount, data + hll_constants::AUX_COUNT_INT, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div>
+<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
+<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> AuxHashMap<A>* auxHashMap = <span class="keyword">nullptr</span>;</div>
+<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">typedef</span> std::unique_ptr<AuxHashMap<A>, std::function<void(AuxHashMap<A>*)>> aux_hash_map_ptr;</div>
+<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> aux_hash_map_ptr aux_ptr;</div>
+<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">if</span> (auxCount > 0) { <span class="comment">// necessarily TgtHllType == HLL_4</span></div>
+<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> uint8_t auxLgIntArrSize = data[4];</div>
+<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> offset = hll_constants::HLL_BYTE_ARR_START + arrayBytes;</div>
+<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">const</span> uint8_t* auxDataStart = data + offset;</div>
+<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> auxHashMap = AuxHashMap<A>::deserialize(auxDataStart, len - offset, lgK, auxCount, auxLgIntArrSize, comapctFlag, allocator);</div>
+<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> aux_ptr = aux_hash_map_ptr(auxHashMap, auxHashMap->make_deleter());</div>
+<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> }</div>
+<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
+<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> HllArray<A>* sketch = HllSketchImplFactory<A>::newHll(lgK, tgtHllType, allocator);</div>
+<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> sketch->putCurMin(curMin);</div>
+<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> sketch->putOutOfOrderFlag(oooFlag);</div>
+<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">if</span> (!oooFlag) { sketch->putHipAccum(hip); }</div>
+<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> sketch->putKxQ0(kxq0);</div>
+<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> sketch->putKxQ1(kxq1);</div>
+<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> sketch->putNumAtCurMin(numAtCurMin);</div>
+<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
+<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> std::memcpy(sketch->hllByteArr_.data(), data + hll_constants::HLL_BYTE_ARR_START, arrayBytes);</div>
+<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
+<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> ((Hll4Array<A>*)sketch)->putAuxHashMap(auxHashMap);</div>
+<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
+<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
+<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> aux_ptr.release();</div>
+<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> sketch;</div>
+<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div>
+<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
+<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span>HllArray<A>* HllArray<A>::newHll(std::istream& is, <span class="keyword">const</span> A& allocator) {</div>
+<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> uint8_t listHeader[8];</div>
+<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> read(is, listHeader, 8 * <span class="keyword">sizeof</span>(uint8_t));</div>
+<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
+<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">if</span> (listHeader[hll_constants::PREAMBLE_INTS_BYTE] != hll_constants::HLL_PREINTS) {</div>
+<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Incorrect number of preInts in input stream"</span>);</div>
+<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div>
+<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">if</span> (listHeader[hll_constants::SER_VER_BYTE] != hll_constants::SER_VER) {</div>
+<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Wrong ser ver in input stream"</span>);</div>
+<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> }</div>
+<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">if</span> (listHeader[hll_constants::FAMILY_BYTE] != hll_constants::FAMILY_ID) {</div>
+<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Input stream is not an HLL sketch"</span>);</div>
+<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
+<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
+<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> hll_mode mode = HllSketchImpl<A>::extractCurMode(listHeader[hll_constants::MODE_BYTE]);</div>
+<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (mode != HLL) {</div>
+<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Calling HLL constructor with non-HLL mode data"</span>);</div>
+<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> }</div>
+<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
+<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType = HllSketchImpl<A>::extractTgtHllType(listHeader[hll_constants::MODE_BYTE]);</div>
+<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> oooFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::OUT_OF_ORDER_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
+<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> comapctFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::COMPACT_FLAG_MASK) ? <span class="keyword">true</span> : false);</div>
+<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
+<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">const</span> uint8_t lgK = listHeader[hll_constants::LG_K_BYTE];</div>
+<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">const</span> uint8_t curMin = listHeader[hll_constants::HLL_CUR_MIN_BYTE];</div>
+<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
+<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> HllArray* sketch = HllSketchImplFactory<A>::newHll(lgK, tgtHllType, allocator);</div>
+<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">typedef</span> std::unique_ptr<HllArray<A>, std::function<void(HllSketchImpl<A>*)>> hll_array_ptr;</div>
+<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> hll_array_ptr sketch_ptr(sketch, sketch->get_deleter());</div>
+<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> sketch->putCurMin(curMin);</div>
+<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> sketch->putOutOfOrderFlag(oooFlag);</div>
+<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
+<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">const</span> <span class="keyword">auto</span> hip = read<double>(is);</div>
+<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">const</span> <span class="keyword">auto</span> kxq0 = read<double>(is);</div>
+<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">const</span> <span class="keyword">auto</span> kxq1 = read<double>(is);</div>
+<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">if</span> (!oooFlag) { sketch->putHipAccum(hip); }</div>
+<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> sketch->putKxQ0(kxq0);</div>
+<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> sketch->putKxQ1(kxq1);</div>
+<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
+<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">const</span> <span class="keyword">auto</span> numAtCurMin = read<uint32_t>(is);</div>
+<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">const</span> <span class="keyword">auto</span> auxCount = read<uint32_t>(is);</div>
+<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> sketch->putNumAtCurMin(numAtCurMin);</div>
+<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
+<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> read(is, sketch->hllByteArr_.data(), sketch->getHllByteArrBytes());</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
-<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> read(is, sketch->hllByteArr_.data(), sketch->getHllByteArrBytes());</div>
-<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> </div>
-<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (auxCount > 0) { <span class="comment">// necessarily TgtHllType == HLL_4</span></div>
-<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> uint8_t auxLgIntArrSize = listHeader[4];</div>
-<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> AuxHashMap<A>* auxHashMap = AuxHashMap<A>::deserialize(is, lgK, auxCount, auxLgIntArrSize, comapctFlag, allocator);</div>
-<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> ((Hll4Array<A>*)sketch)->putAuxHashMap(auxHashMap);</div>
-<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div>
+<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">if</span> (auxCount > 0) { <span class="comment">// necessarily TgtHllType == HLL_4</span></div>
+<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> uint8_t auxLgIntArrSize = listHeader[4];</div>
+<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> AuxHashMap<A>* auxHashMap = AuxHashMap<A>::deserialize(is, lgK, auxCount, auxLgIntArrSize, comapctFlag, allocator);</div>
+<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> ((Hll4Array<A>*)sketch)->putAuxHashMap(auxHashMap);</div>
+<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> }</div>
+<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
+<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">if</span> (!is.good()) { <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"error reading from std::istream"</span>); } </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
-<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">if</span> (!is.good()) { <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"error reading from std::istream"</span>); } </div>
-<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
-<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">return</span> sketch_ptr.release();</div>
-<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span>}</div>
-<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
-<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="keyword">auto</span> HllArray<A>::serialize(<span class="keywordtype">bool</span> compact, <span class="keywordtype">unsigned</span> header_size_bytes) <span class="keyword">const</span> -> vector_bytes {</div>
-<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> sketchSizeBytes = (compact ? getCompactSerializationBytes() : getUpdatableSerializationBytes()) + header_size_bytes;</div>
-<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> vector_bytes byteArr(sketchSizeBytes, 0, getAllocator());</div>
-<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> uint8_t* bytes = byteArr.data() + header_size_bytes;</div>
-<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div>
-<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
-<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> bytes[hll_constants::PREAMBLE_INTS_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(getPreInts());</div>
-<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> bytes[hll_constants::SER_VER_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(hll_constants::SER_VER);</div>
-<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> bytes[hll_constants::FAMILY_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(hll_constants::FAMILY_ID);</div>
-<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> bytes[hll_constants::LG_K_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(this->lgConfigK_);</div>
-<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> bytes[hll_constants::LG_ARR_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getLgAuxArrInts());</div>
-<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> bytes[hll_constants::FLAGS_BYTE] = this->makeFlagsByte(compact);</div>
-<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> bytes[hll_constants::HLL_CUR_MIN_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(curMin_);</div>
-<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> bytes[hll_constants::MODE_BYTE] = this->makeModeByte();</div>
-<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
-<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> std::memcpy(bytes + hll_constants::HIP_ACCUM_DOUBLE, &hipAccum_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
-<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> std::memcpy(bytes + hll_constants::KXQ0_DOUBLE, &kxq0_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
-<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> std::memcpy(bytes + hll_constants::KXQ1_DOUBLE, &kxq1_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
-<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> std::memcpy(bytes + hll_constants::CUR_MIN_COUNT_INT, &numAtCurMin_, <span class="keyword">sizeof</span>(uint32_t));</div>
-<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">const</span> uint32_t auxCount = (auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getAuxCount());</div>
-<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> std::memcpy(bytes + hll_constants::AUX_COUNT_INT, &auxCount, <span class="keyword">sizeof</span>(uint32_t));</div>
-<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
-<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">const</span> uint32_t hllByteArrBytes = getHllByteArrBytes();</div>
-<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> std::memcpy(bytes + getMemDataStart(), hllByteArr_.data(), hllByteArrBytes);</div>
-<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
-<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="comment">// aux map if HLL_4</span></div>
-<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (this->tgtHllType_ == HLL_4) {</div>
-<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> bytes += getMemDataStart() + hllByteArrBytes; <span class="comment">// start of auxHashMap</span></div>
-<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">if</span> (compact) {</div>
-<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> uint32_t coupon: *auxHashMap) {</div>
-<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> std::memcpy(bytes, &coupon, <span class="keyword">sizeof</span>(coupon));</div>
-<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> bytes += <span class="keyword">sizeof</span>(coupon);</div>
-<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> }</div>
-<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> std::memcpy(bytes, auxHashMap->getAuxIntArr(), auxHashMap->getUpdatableSizeBytes());</div>
-<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> }</div>
-<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!compact) {</div>
-<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// if updatable, we write even if currently unused so the binary can be wrapped</span></div>
-<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[this->lgConfigK_];</div>
-<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> std::fill_n(bytes, auxBytes, <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(0));</div>
-<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> }</div>
-<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> }</div>
-<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
-<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordflow">return</span> byteArr;</div>
-<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span>}</div>
-<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
-<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="keywordtype">void</span> HllArray<A>::serialize(std::ostream& os, <span class="keywordtype">bool</span> compact)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// header</span></div>
-<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">const</span> uint8_t preInts = getPreInts();</div>
-<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> write(os, preInts);</div>
-<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">const</span> uint8_t serialVersion = hll_constants::SER_VER;</div>
-<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> write(os, serialVersion);</div>
-<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keyword">const</span> uint8_t familyId = hll_constants::FAMILY_ID;</div>
-<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> write(os, familyId);</div>
-<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">const</span> uint8_t lgKByte = this->lgConfigK_;</div>
-<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> write(os, lgKByte);</div>
-<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
-<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div>
-<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> uint8_t lgArrByte = 0;</div>
-<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> lgArrByte = auxHashMap->getLgAuxArrInts();</div>
-<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> }</div>
-<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> write(os, lgArrByte);</div>
-<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> </div>
-<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">const</span> uint8_t flagsByte = this->makeFlagsByte(compact);</div>
-<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> write(os, flagsByte);</div>
-<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> write(os, curMin_);</div>
-<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keyword">const</span> uint8_t modeByte = this->makeModeByte();</div>
-<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> write(os, modeByte);</div>
-<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
-<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// estimator data</span></div>
-<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> write(os, hipAccum_);</div>
-<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> write(os, kxq0_);</div>
-<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> write(os, kxq1_);</div>
-<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
-<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="comment">// array data</span></div>
-<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> write(os, numAtCurMin_);</div>
-<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> </div>
-<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">const</span> uint32_t auxCount = (auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getAuxCount());</div>
-<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> write(os, auxCount);</div>
-<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> write(os, hllByteArr_.data(), getHllByteArrBytes());</div>
-<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> </div>
-<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// aux map if HLL_4</span></div>
-<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">if</span> (this->tgtHllType_ == HLL_4) {</div>
-<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">if</span> (compact) {</div>
-<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> uint32_t coupon: *auxHashMap) {</div>
-<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> write(os, coupon);</div>
-<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
-<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> write(os, auxHashMap->getAuxIntArr(), auxHashMap->getUpdatableSizeBytes());</div>
-<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> }</div>
-<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!compact) {</div>
-<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="comment">// if updatable, we write even if currently unused so the binary can be wrapped </span></div>
-<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[this->lgConfigK_];</div>
-<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> std::fill_n(std::ostreambuf_iterator<char>(os), auxBytes, <span class="keyword">static_cast<</span><span class="keywordtype">char</span><span class="keyword">></span>(0));</div>
-<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> }</div>
-<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> }</div>
-<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span>}</div>
-<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> </div>
-<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span><span class="keywordtype">double</span> HllArray<A>::getEstimate()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">if</span> (oooFlag_) {</div>
-<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">return</span> getCompositeEstimate();</div>
-<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> }</div>
-<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordflow">return</span> hipAccum_;</div>
-<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span>}</div>
+<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">return</span> sketch_ptr.release();</div>
+<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span>}</div>
+<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> </div>
+<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span><span class="keyword">auto</span> HllArray<A>::serialize(<span class="keywordtype">bool</span> compact, <span class="keywordtype">unsigned</span> header_size_bytes) <span class="keyword">const</span> -> vector_bytes {</div>
+<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> sketchSizeBytes = (compact ? getCompactSerializationBytes() : getUpdatableSerializationBytes()) + header_size_bytes;</div>
+<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> vector_bytes byteArr(sketchSizeBytes, 0, getAllocator());</div>
+<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> uint8_t* bytes = byteArr.data() + header_size_bytes;</div>
+<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div>
+<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
+<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> bytes[hll_constants::PREAMBLE_INTS_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(getPreInts());</div>
+<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> bytes[hll_constants::SER_VER_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(hll_constants::SER_VER);</div>
+<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> bytes[hll_constants::FAMILY_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(hll_constants::FAMILY_ID);</div>
+<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> bytes[hll_constants::LG_K_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(this->lgConfigK_);</div>
+<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> bytes[hll_constants::LG_ARR_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getLgAuxArrInts());</div>
+<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> bytes[hll_constants::FLAGS_BYTE] = this->makeFlagsByte(compact);</div>
+<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> bytes[hll_constants::HLL_CUR_MIN_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(curMin_);</div>
+<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> bytes[hll_constants::MODE_BYTE] = this->makeModeByte();</div>
+<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
+<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> std::memcpy(bytes + hll_constants::HIP_ACCUM_DOUBLE, &hipAccum_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
+<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> std::memcpy(bytes + hll_constants::KXQ0_DOUBLE, &kxq0_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
+<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> std::memcpy(bytes + hll_constants::KXQ1_DOUBLE, &kxq1_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div>
+<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> std::memcpy(bytes + hll_constants::CUR_MIN_COUNT_INT, &numAtCurMin_, <span class="keyword">sizeof</span>(uint32_t));</div>
+<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keyword">const</span> uint32_t auxCount = (auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getAuxCount());</div>
+<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> std::memcpy(bytes + hll_constants::AUX_COUNT_INT, &auxCount, <span class="keyword">sizeof</span>(uint32_t));</div>
+<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
+<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">const</span> uint32_t hllByteArrBytes = getHllByteArrBytes();</div>
+<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> std::memcpy(bytes + getMemDataStart(), hllByteArr_.data(), hllByteArrBytes);</div>
+<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
+<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="comment">// aux map if HLL_4</span></div>
+<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">if</span> (this->tgtHllType_ == HLL_4) {</div>
+<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> bytes += getMemDataStart() + hllByteArrBytes; <span class="comment">// start of auxHashMap</span></div>
+<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">if</span> (compact) {</div>
+<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> uint32_t coupon: *auxHashMap) {</div>
+<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> std::memcpy(bytes, &coupon, <span class="keyword">sizeof</span>(coupon));</div>
+<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> bytes += <span class="keyword">sizeof</span>(coupon);</div>
+<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> }</div>
+<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> std::memcpy(bytes, auxHashMap->getAuxIntArr(), auxHashMap->getUpdatableSizeBytes());</div>
+<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> }</div>
+<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!compact) {</div>
+<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="comment">// if updatable, we write even if currently unused so the binary can be wrapped</span></div>
+<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[this->lgConfigK_];</div>
+<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> std::fill_n(bytes, auxBytes, <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(0));</div>
+<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> }</div>
+<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> }</div>
+<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> </div>
+<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">return</span> byteArr;</div>
+<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span>}</div>
+<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
+<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span><span class="keywordtype">void</span> HllArray<A>::serialize(std::ostream& os, <span class="keywordtype">bool</span> compact)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="comment">// header</span></div>
+<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">const</span> uint8_t preInts = getPreInts();</div>
+<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> write(os, preInts);</div>
+<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">const</span> uint8_t serialVersion = hll_constants::SER_VER;</div>
+<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> write(os, serialVersion);</div>
+<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">const</span> uint8_t familyId = hll_constants::FAMILY_ID;</div>
+<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> write(os, familyId);</div>
+<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keyword">const</span> uint8_t lgKByte = this->lgConfigK_;</div>
+<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> write(os, lgKByte);</div>
+<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
+<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div>
+<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> uint8_t lgArrByte = 0;</div>
+<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> lgArrByte = auxHashMap->getLgAuxArrInts();</div>
+<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> }</div>
+<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> write(os, lgArrByte);</div>
+<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
+<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">const</span> uint8_t flagsByte = this->makeFlagsByte(compact);</div>
+<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> write(os, flagsByte);</div>
+<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> write(os, curMin_);</div>
+<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">const</span> uint8_t modeByte = this->makeModeByte();</div>
+<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> write(os, modeByte);</div>
+<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> </div>
+<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="comment">// estimator data</span></div>
+<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> write(os, hipAccum_);</div>
+<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> write(os, kxq0_);</div>
+<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> write(os, kxq1_);</div>
+<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
+<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="comment">// array data</span></div>
+<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> write(os, numAtCurMin_);</div>
+<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> </div>
+<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keyword">const</span> uint32_t auxCount = (auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getAuxCount());</div>
+<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> write(os, auxCount);</div>
+<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> write(os, hllByteArr_.data(), getHllByteArrBytes());</div>
+<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> </div>
+<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="comment">// aux map if HLL_4</span></div>
+<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">if</span> (this->tgtHllType_ == HLL_4) {</div>
+<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">if</span> (compact) {</div>
+<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> uint32_t coupon: *auxHashMap) {</div>
+<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> write(os, coupon);</div>
+<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> }</div>
+<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> write(os, auxHashMap->getAuxIntArr(), auxHashMap->getUpdatableSizeBytes());</div>
+<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
+<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!compact) {</div>
+<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="comment">// if updatable, we write even if currently unused so the binary can be wrapped </span></div>
+<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[this->lgConfigK_];</div>
+<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> std::fill_n(std::ostreambuf_iterator<char>(os), auxBytes, <span class="keyword">static_cast<</span><span class="keywordtype">char</span><span class="keyword">></span>(0));</div>
+<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> }</div>
+<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> }</div>
+<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span>}</div>
+<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> </div>
+<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span><span class="keywordtype">double</span> HllArray<A>::getEstimate()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">if</span> (oooFlag_) {</div>
+<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="keywordflow">return</span> getCompositeEstimate();</div>
+<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> }</div>
+<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">return</span> hipAccum_;</div>
+<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span>}</div>
+<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> </div>
+<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span><span class="comment">// HLL UPPER AND LOWER BOUNDS</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> </div>
-<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span><span class="comment">// HLL UPPER AND LOWER BOUNDS</span></div>
-<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div>
-<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="comment">/*</span></div>
-<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span><span class="comment"> * The upper and lower bounds are not symmetric and thus are treated slightly differently.</span></div>
-<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span><span class="comment"> * For the lower bound, when the unique count is <= k, LB >= numNonZeros, where</span></div>
-<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span><span class="comment"> * numNonZeros = k - numAtCurMin AND curMin == 0.</span></div>
-<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span><span class="comment"> *</span></div>
-<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span><span class="comment"> * For HLL6 and HLL8, curMin is always 0 and numAtCurMin is initialized to k and is decremented</span></div>
-<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span><span class="comment"> * down for each valid update until it reaches 0, where it stays. Thus, for these two</span></div>
-<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span><span class="comment"> * isomorphs, when numAtCurMin = 0, means the true curMin is > 0 and the unique count must be</span></div>
-<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span><span class="comment"> * greater than k.</span></div>
-<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span><span class="comment"> *</span></div>
-<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span><span class="comment"> * HLL4 always maintains both curMin and numAtCurMin dynamically. Nonetheless, the rules for</span></div>
-<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span><span class="comment"> * the very small values <= k where curMin = 0 still apply.</span></div>
-<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span><span class="comment"> */</span></div>
-<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span><span class="keywordtype">double</span> HllArray<A>::getLowerBound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> HllUtil<A>::checkNumStdDev(numStdDev);</div>
-<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
-<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keyword">const</span> <span class="keywordtype">double</span> numNonZeros = ((curMin_ == 0) ? (configK - numAtCurMin_) : configK);</div>
-<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keyword">const</span> <span class="keywordtype">double</span> relErr = HllUtil<A>::getRelErr(<span class="keyword">false</span>, this->oooFlag_, this->lgConfigK_, numStdDev);</div>
-<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">return</span> fmax(getEstimate() / (1.0 + relErr), numNonZeros);</div>
-<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>}</div>
-<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div>
-<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span><span class="keywordtype">double</span> HllArray<A>::getUpperBound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> HllUtil<A>::checkNumStdDev(numStdDev);</div>
-<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keyword">const</span> <span class="keywordtype">double</span> relErr = HllUtil<A>::getRelErr(<span class="keyword">true</span>, this->oooFlag_, this->lgConfigK_, numStdDev);</div>
-<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keywordflow">return</span> getEstimate() / (1.0 + relErr);</div>
-<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span>}</div>
-<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div>
-<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span><span class="comment">// Original C: again-two-registers.c hhb_get_composite_estimate L1489</span></div>
-<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span><span class="keywordtype">double</span> HllArray<A>::getCompositeEstimate()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">const</span> <span class="keywordtype">double</span> rawEst = getHllRawEstimate();</div>
-<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> </div>
-<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keyword">const</span> <span class="keywordtype">double</span>* xArr = CompositeInterpolationXTable<A>::get_x_arr(this->lgConfigK_);</div>
-<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keyword">const</span> uint32_t xArrLen = CompositeInterpolationXTable<A>::get_x_arr_length();</div>
-<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">const</span> <span class="keywordtype">double</span> yStride = CompositeInterpolationXTable<A>::get_y_stride(this->lgConfigK_);</div>
-<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> </div>
-<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keywordflow">if</span> (rawEst < xArr[0]) {</div>
-<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keywordflow">return</span> 0;</div>
-<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> }</div>
+<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span><span class="comment">/*</span></div>
+<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span><span class="comment"> * The upper and lower bounds are not symmetric and thus are treated slightly differently.</span></div>
+<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="comment"> * For the lower bound, when the unique count is <= k, LB >= numNonZeros, where</span></div>
+<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span><span class="comment"> * numNonZeros = k - numAtCurMin AND curMin == 0.</span></div>
+<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span><span class="comment"> *</span></div>
+<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span><span class="comment"> * For HLL6 and HLL8, curMin is always 0 and numAtCurMin is initialized to k and is decremented</span></div>
+<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span><span class="comment"> * down for each valid update until it reaches 0, where it stays. Thus, for these two</span></div>
+<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span><span class="comment"> * isomorphs, when numAtCurMin = 0, means the true curMin is > 0 and the unique count must be</span></div>
+<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span><span class="comment"> * greater than k.</span></div>
+<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span><span class="comment"> *</span></div>
+<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span><span class="comment"> * HLL4 always maintains both curMin and numAtCurMin dynamically. Nonetheless, the rules for</span></div>
+<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span><span class="comment"> * the very small values <= k where curMin = 0 still apply.</span></div>
+<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span><span class="comment"> */</span></div>
+<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span><span class="keywordtype">double</span> HllArray<A>::getLowerBound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> HllUtil<A>::checkNumStdDev(numStdDev);</div>
+<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
+<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keyword">const</span> <span class="keywordtype">double</span> numNonZeros = ((curMin_ == 0) ? (configK - numAtCurMin_) : configK);</div>
+<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keyword">const</span> <span class="keywordtype">double</span> relErr = HllUtil<A>::getRelErr(<span class="keyword">false</span>, this->oooFlag_, this->lgConfigK_, numStdDev);</div>
+<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">return</span> fmax(getEstimate() / (1.0 + relErr), numNonZeros);</div>
+<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span>}</div>
+<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
+<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span><span class="keywordtype">double</span> HllArray<A>::getUpperBound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> HllUtil<A>::checkNumStdDev(numStdDev);</div>
+<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keyword">const</span> <span class="keywordtype">double</span> relErr = HllUtil<A>::getRelErr(<span class="keyword">true</span>, this->oooFlag_, this->lgConfigK_, numStdDev);</div>
+<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">return</span> getEstimate() / (1.0 + relErr);</div>
+<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span>}</div>
+<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
+<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span><span class="comment">// Original C: again-two-registers.c hhb_get_composite_estimate L1489</span></div>
+<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span><span class="keywordtype">double</span> HllArray<A>::getCompositeEstimate()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="keyword">const</span> <span class="keywordtype">double</span> rawEst = getHllRawEstimate();</div>
+<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> </div>
+<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">const</span> <span class="keywordtype">double</span>* xArr = CompositeInterpolationXTable<A>::get_x_arr(this->lgConfigK_);</div>
+<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keyword">const</span> uint32_t xArrLen = CompositeInterpolationXTable<A>::get_x_arr_length();</div>
+<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keyword">const</span> <span class="keywordtype">double</span> yStride = CompositeInterpolationXTable<A>::get_y_stride(this->lgConfigK_);</div>
+<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> </div>
+<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keywordflow">if</span> (rawEst < xArr[0]) {</div>
+<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> }</div>
+<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> </div>
+<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keyword">const</span> uint32_t xArrLenM1 = xArrLen - 1;</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> </div>
-<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keyword">const</span> uint32_t xArrLenM1 = xArrLen - 1;</div>
-<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> </div>
-<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">if</span> (rawEst > xArr[xArrLenM1]) {</div>
-<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="keyword">const</span> <span class="keywordtype">double</span> finalY = yStride * xArrLenM1;</div>
-<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keyword">const</span> <span class="keywordtype">double</span> factor = finalY / xArr[xArrLenM1];</div>
-<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">return</span> rawEst * factor;</div>
-<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> }</div>
+<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">if</span> (rawEst > xArr[xArrLenM1]) {</div>
+<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keyword">const</span> <span class="keywordtype">double</span> finalY = yStride * xArrLenM1;</div>
+<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keyword">const</span> <span class="keywordtype">double</span> factor = finalY / xArr[xArrLenM1];</div>
+<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="keywordflow">return</span> rawEst * factor;</div>
+<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> }</div>
+<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> </div>
+<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordtype">double</span> adjEst = CubicInterpolation<A>::usingXArrAndYStride(xArr, xArrLen, yStride, rawEst);</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> </div>
-<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordtype">double</span> adjEst = CubicInterpolation<A>::usingXArrAndYStride(xArr, xArrLen, yStride, rawEst);</div>
-<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> </div>
-<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="comment">// We need to completely avoid the linear_counting estimator if it might have a crazy value.</span></div>
-<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="comment">// Empirical evidence suggests that the threshold 3*k will keep us safe if 2^4 <= k <= 2^21.</span></div>
+<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="comment">// We need to completely avoid the linear_counting estimator if it might have a crazy value.</span></div>
+<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="comment">// Empirical evidence suggests that the threshold 3*k will keep us safe if 2^4 <= k <= 2^21.</span></div>
+<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> </div>
+<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="keywordflow">if</span> (adjEst > (3 << this->lgConfigK_)) { <span class="keywordflow">return</span> adjEst; }</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> </div>
-<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">if</span> (adjEst > (3 << this->lgConfigK_)) { <span class="keywordflow">return</span> adjEst; }</div>
+<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keyword">const</span> <span class="keywordtype">double</span> linEst = getHllBitMapEstimate();</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
-<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="keyword">const</span> <span class="keywordtype">double</span> linEst = getHllBitMapEstimate();</div>
-<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div>
-<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="comment">// Bias is created when the value of an estimator is compared with a threshold to decide whether</span></div>
-<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="comment">// to use that estimator or a different one.</span></div>
-<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="comment">// We conjecture that less bias is created when the average of the two estimators</span></div>
-<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="comment">// is compared with the threshold. Empirical measurements support this conjecture.</span></div>
+<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="comment">// Bias is created when the value of an estimator is compared with a threshold to decide whether</span></div>
+<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="comment">// to use that estimator or a different one.</span></div>
+<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="comment">// We conjecture that less bias is created when the average of the two estimators</span></div>
+<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="comment">// is compared with the threshold. Empirical measurements support this conjecture.</span></div>
+<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> </div>
+<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keyword">const</span> <span class="keywordtype">double</span> avgEst = (adjEst + linEst) / 2.0;</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div>
-<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="keyword">const</span> <span class="keywordtype">double</span> avgEst = (adjEst + linEst) / 2.0;</div>
-<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> </div>
-<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="comment">// The following constants comes from empirical measurements of the crossover point</span></div>
-<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="comment">// between the average error of the linear estimator and the adjusted hll estimator</span></div>
-<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordtype">double</span> crossOver = 0.64;</div>
-<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 4) { crossOver = 0.718; }</div>
-<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 5) { crossOver = 0.672; }</div>
-<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> </div>
-<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keywordflow">return</span> (avgEst > (crossOver * (1 << this->lgConfigK_))) ? adjEst : linEst;</div>
-<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span>}</div>
-<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> </div>
-<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span><span class="keywordtype">double</span> HllArray<A>::getKxQ0()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">return</span> kxq0_;</div>
-<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span>}</div>
-<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> </div>
-<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span><span class="keywordtype">double</span> HllArray<A>::getKxQ1()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keywordflow">return</span> kxq1_;</div>
-<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span>}</div>
-<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> </div>
-<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span><span class="keywordtype">double</span> HllArray<A>::getHipAccum()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">return</span> hipAccum_;</div>
-<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span>}</div>
-<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> </div>
-<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span>uint8_t HllArray<A>::getCurMin()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">return</span> curMin_;</div>
-<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span>}</div>
-<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> </div>
-<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span>uint32_t HllArray<A>::getNumAtCurMin()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">return</span> numAtCurMin_;</div>
-<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span>}</div>
-<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
-<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span><span class="keywordtype">void</span> HllArray<A>::putKxQ0(<span class="keywordtype">double</span> kxq0) {</div>
-<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> kxq0_ = kxq0;</div>
-<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span>}</div>
-<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div>
-<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span><span class="keywordtype">void</span> HllArray<A>::putKxQ1(<span class="keywordtype">double</span> kxq1) {</div>
-<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> kxq1_ = kxq1;</div>
-<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span>}</div>
-<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> </div>
-<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span><span class="keywordtype">void</span> HllArray<A>::putHipAccum(<span class="keywordtype">double</span> hipAccum) {</div>
-<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> hipAccum_ = hipAccum;</div>
-<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span>}</div>
-<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> </div>
-<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span><span class="keywordtype">void</span> HllArray<A>::putCurMin(uint8_t curMin) {</div>
-<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> curMin_ = curMin;</div>
-<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span>}</div>
-<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> </div>
-<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span><span class="keywordtype">void</span> HllArray<A>::putNumAtCurMin(uint32_t numAtCurMin) {</div>
-<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> numAtCurMin_ = numAtCurMin;</div>
-<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span>}</div>
-<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> </div>
-<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span><span class="keywordtype">bool</span> HllArray<A>::isCompact()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
-<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span>}</div>
-<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> </div>
-<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span><span class="keywordtype">bool</span> HllArray<A>::isEmpty()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">// mergeHll() is only called with non-empty sketches and sets this flag after updating the</span></div>
-<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="comment">// register array. The cached curMin_/numAtCurMin_ may still have their empty-sketch values,</span></div>
-<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="comment">// but a pending rebuild therefore proves that this array is not empty.</span></div>
-<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keywordflow">if</span> (rebuild_kxq_curmin_) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
-<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
-<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="keywordflow">return</span> (curMin_ == 0) && (numAtCurMin_ == configK);</div>
-<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span>}</div>
-<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> </div>
-<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span><span class="keywordtype">void</span> HllArray<A>::putOutOfOrderFlag(<span class="keywordtype">bool</span> flag) {</div>
-<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> oooFlag_ = flag;</div>
-<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span>}</div>
-<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> </div>
-<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span><span class="keywordtype">bool</span> HllArray<A>::isOutOfOrderFlag()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="keywordflow">return</span> oooFlag_;</div>
-<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span>}</div>
-<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> </div>
-<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span>uint32_t HllArray<A>::hllArrBytes(target_hll_type tgtHllType, uint8_t lgConfigK) {</div>
-<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="keywordflow">switch</span> (tgtHllType) {</div>
-<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>:</div>
-<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keywordflow">return</span> hll4ArrBytes(lgConfigK);</div>
-<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>:</div>
-<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <span class="keywordflow">return</span> hll6ArrBytes(lgConfigK);</div>
-<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>:</div>
-<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="keywordflow">return</span> hll8ArrBytes(lgConfigK);</div>
-<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="keywordflow">default</span>:</div>
-<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid target HLL type"</span>); </div>
-<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> }</div>
-<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span>}</div>
-<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> </div>
-<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span>uint32_t HllArray<A>::hll4ArrBytes(uint8_t lgConfigK) {</div>
-<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="keywordflow">return</span> 1 << (lgConfigK - 1);</div>
-<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span>}</div>
-<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> </div>
-<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span>uint32_t HllArray<A>::hll6ArrBytes(uint8_t lgConfigK) {</div>
-<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keyword">const</span> uint32_t numSlots = 1 << lgConfigK;</div>
-<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="keywordflow">return</span> ((numSlots * 3) >> 2) + 1;</div>
-<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span>}</div>
-<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> </div>
-<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span>uint32_t HllArray<A>::hll8ArrBytes(uint8_t lgConfigK) {</div>
-<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <span class="keywordflow">return</span> 1 << lgConfigK;</div>
-<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span>}</div>
-<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> </div>
-<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span>uint32_t HllArray<A>::getMemDataStart()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START;</div>
-<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span>}</div>
-<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> </div>
-<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span>uint32_t HllArray<A>::getUpdatableSerializationBytes()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + getHllByteArrBytes();</div>
-<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span>}</div>
-<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> </div>
-<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span>uint32_t HllArray<A>::getCompactSerializationBytes()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div>
-<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="keyword">const</span> uint32_t auxCountBytes = ((auxHashMap == <span class="keyword">nullptr</span>) ? 0 : auxHashMap->getCompactSizeBytes());</div>
-<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + getHllByteArrBytes() + auxCountBytes;</div>
-<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span>}</div>
-<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> </div>
-<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span>uint8_t HllArray<A>::getPreInts()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> <span class="keywordflow">return</span> hll_constants::HLL_PREINTS;</div>
-<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span>}</div>
-<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> </div>
-<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span>AuxHashMap<A>* HllArray<A>::getAuxHashMap()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
-<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span>}</div>
-<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> </div>
-<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span><span class="keyword">auto</span> HllArray<A>::getHllArray() const -> const vector_bytes& {</div>
-<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keywordflow">return</span> hllByteArr_;</div>
-<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span>}</div>
-<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> </div>
-<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span><span class="keywordtype">void</span> HllArray<A>::hipAndKxQIncrementalUpdate(uint8_t oldValue, uint8_t newValue) {</div>
-<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="keyword">const</span> uint32_t configK = 1 << this->getLgConfigK();</div>
-<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="comment">// update hip BEFORE updating kxq</span></div>
-<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keywordflow">if</span> (!oooFlag_) { hipAccum_ += configK / (kxq0_ + kxq1_); }</div>
-<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// update kxq0 and kxq1; subtract first, then add</span></div>
-<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="keywordflow">if</span> (oldValue < 32) { kxq0_ -= INVERSE_POWERS_OF_2[oldValue]; }</div>
-<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keywordflow">else</span> { kxq1_ -= INVERSE_POWERS_OF_2[oldValue]; }</div>
-<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keywordflow">if</span> (newValue < 32) { kxq0_ += INVERSE_POWERS_OF_2[newValue]; }</div>
-<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="keywordflow">else</span> { kxq1_ += INVERSE_POWERS_OF_2[newValue]; }</div>
-<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span>}</div>
-<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> </div>
-<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span><span class="comment">//In C: again-two-registers.c hhb_get_improved_linear_counting_estimate L1274</span></div>
-<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span><span class="keywordtype">double</span> HllArray<A>::getHllBitMapEstimate()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
-<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keyword">const</span> uint32_t numUnhitBuckets = curMin_ == 0 ? numAtCurMin_ : 0;</div>
-<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> </div>
-<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="comment">//This will eventually go away.</span></div>
-<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keywordflow">if</span> (numUnhitBuckets == 0) {</div>
-<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keywordflow">return</span> configK * log(configK / 0.5);</div>
-<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> }</div>
-<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> </div>
-<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="keyword">const</span> uint32_t numHitBuckets = configK - numUnhitBuckets;</div>
-<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">return</span> HarmonicNumbers<A>::getBitMapEstimate(configK, numHitBuckets);</div>
-<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span>}</div>
-<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> </div>
-<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span><span class="comment">//In C: again-two-registers.c hhb_get_raw_estimate L1167</span></div>
-<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span><span class="keywordtype">double</span> HllArray<A>::getHllRawEstimate()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
-<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordtype">double</span> correctionFactor;</div>
-<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 4) { correctionFactor = 0.673; }</div>
-<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 5) { correctionFactor = 0.697; }</div>
-<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 6) { correctionFactor = 0.709; }</div>
-<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keywordflow">else</span> { correctionFactor = 0.7213 / (1.0 + (1.079 / configK)); }</div>
-<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keyword">const</span> <span class="keywordtype">double</span> hyperEst = (correctionFactor * configK * configK) / (kxq0_ + kxq1_);</div>
-<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="keywordflow">return</span> hyperEst;</div>
-<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span>}</div>
-<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> </div>
-<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span><span class="keywordtype">void</span> HllArray<A>::setRebuildKxqCurminFlag(<span class="keywordtype">bool</span> rebuild) {</div>
-<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> rebuild_kxq_curmin_ = rebuild;</div>
-<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span>}</div>
-<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> </div>
-<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span><span class="keywordtype">bool</span> HllArray<A>::isRebuildKxqCurminFlag()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <span class="keywordflow">return</span> rebuild_kxq_curmin_;</div>
-<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span>}</div>
-<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> </div>
-<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span><span class="keywordtype">void</span> HllArray<A>::check_rebuild_kxq_cur_min() {</div>
-<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keywordflow">if</span> (!rebuild_kxq_curmin_) { <span class="keywordflow">return</span>; }</div>
-<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> </div>
-<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> uint8_t cur_min = 64;</div>
-<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> uint32_t num_at_cur_min = 0;</div>
-<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="keywordtype">double</span> kxq0 = 1 << this->lgConfigK_;</div>
-<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="keywordtype">double</span> kxq1 = 0;</div>
-<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> </div>
-<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keyword">auto</span> it = this->begin(<span class="keyword">true</span>); <span class="comment">// want all points to adjust cur_min</span></div>
-<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="keyword">const</span> <span class="keyword">auto</span> end = this->end();</div>
-<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keywordflow">while</span> (it != end) {</div>
-<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> uint8_t v = HllUtil<A>::getValue(*it);</div>
-<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">if</span> (v > 0) {</div>
-<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">if</span> (v < 32) { kxq0 += INVERSE_POWERS_OF_2[v] - 1.0; }</div>
-<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="keywordflow">else</span> { kxq1 += INVERSE_POWERS_OF_2[v] - 1.0; }</div>
-<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> }</div>
-<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="keywordflow">if</span> (v > cur_min) { ++it; <span class="keywordflow">continue</span>; }</div>
-<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <span class="keywordflow">if</span> (v < cur_min) {</div>
-<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> cur_min = v;</div>
-<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> num_at_cur_min = 1;</div>
-<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> ++num_at_cur_min;</div>
-<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> } </div>
-<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> ++it;</div>
-<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> }</div>
-<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> </div>
-<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> kxq0_ = kxq0;</div>
-<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> kxq1_ = kxq1;</div>
-<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> curMin_ = cur_min;</div>
-<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> numAtCurMin_ = num_at_cur_min;</div>
-<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> rebuild_kxq_curmin_ = <span class="keyword">false</span>;</div>
-<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> <span class="comment">// HipAccum is not affected</span></div>
+<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="comment">// The following constants comes from empirical measurements of the crossover point</span></div>
+<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="comment">// between the average error of the linear estimator and the adjusted hll estimator</span></div>
+<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="keywordtype">double</span> crossOver = 0.64;</div>
+<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 4) { crossOver = 0.718; }</div>
+<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 5) { crossOver = 0.672; }</div>
+<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> </div>
+<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">return</span> (avgEst > (crossOver * (1 << this->lgConfigK_))) ? adjEst : linEst;</div>
+<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span>}</div>
+<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> </div>
+<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span><span class="keywordtype">double</span> HllArray<A>::getKxQ0()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keywordflow">return</span> kxq0_;</div>
+<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span>}</div>
+<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> </div>
+<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span><span class="keywordtype">double</span> HllArray<A>::getKxQ1()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keywordflow">return</span> kxq1_;</div>
+<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span>}</div>
+<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> </div>
+<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span><span class="keywordtype">double</span> HllArray<A>::getHipAccum()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">return</span> hipAccum_;</div>
+<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span>}</div>
+<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> </div>
+<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span>uint8_t HllArray<A>::getCurMin()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="keywordflow">return</span> curMin_;</div>
+<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span>}</div>
+<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> </div>
+<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span>uint32_t HllArray<A>::getNumAtCurMin()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordflow">return</span> numAtCurMin_;</div>
+<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span>}</div>
+<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> </div>
+<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span><span class="keywordtype">void</span> HllArray<A>::putKxQ0(<span class="keywordtype">double</span> kxq0) {</div>
+<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> kxq0_ = kxq0;</div>
+<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span>}</div>
+<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> </div>
+<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span><span class="keywordtype">void</span> HllArray<A>::putKxQ1(<span class="keywordtype">double</span> kxq1) {</div>
+<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> kxq1_ = kxq1;</div>
+<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span>}</div>
+<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> </div>
+<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span><span class="keywordtype">void</span> HllArray<A>::putHipAccum(<span class="keywordtype">double</span> hipAccum) {</div>
+<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> hipAccum_ = hipAccum;</div>
+<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span>}</div>
+<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> </div>
+<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span><span class="keywordtype">void</span> HllArray<A>::putCurMin(uint8_t curMin) {</div>
+<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> curMin_ = curMin;</div>
+<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span>}</div>
+<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> </div>
+<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span><span class="keywordtype">void</span> HllArray<A>::putNumAtCurMin(uint32_t numAtCurMin) {</div>
+<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> numAtCurMin_ = numAtCurMin;</div>
+<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span>}</div>
+<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> </div>
+<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span><span class="keywordtype">bool</span> HllArray<A>::isCompact()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
+<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span>}</div>
+<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> </div>
+<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span><span class="keywordtype">bool</span> HllArray<A>::isEmpty()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="comment">// mergeHll() is only called with non-empty sketches and sets this flag after updating the</span></div>
+<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="comment">// register array. The cached curMin_/numAtCurMin_ may still have their empty-sketch values,</span></div>
+<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">// but a pending rebuild therefore proves that this array is not empty.</span></div>
+<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="keywordflow">if</span> (rebuild_kxq_curmin_) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
+<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
+<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keywordflow">return</span> (curMin_ == 0) && (numAtCurMin_ == configK);</div>
+<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span>}</div>
+<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> </div>
+<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span><span class="keywordtype">void</span> HllArray<A>::putOutOfOrderFlag(<span class="keywordtype">bool</span> flag) {</div>
+<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> oooFlag_ = flag;</div>
+<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span>}</div>
+<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> </div>
+<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span><span class="keywordtype">bool</span> HllArray<A>::isOutOfOrderFlag()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="keywordflow">return</span> oooFlag_;</div>
+<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span>}</div>
+<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> </div>
+<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span>uint32_t HllArray<A>::hllArrBytes(target_hll_type tgtHllType, uint8_t lgConfigK) {</div>
+<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="keywordflow">switch</span> (tgtHllType) {</div>
+<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>:</div>
+<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="keywordflow">return</span> hll4ArrBytes(lgConfigK);</div>
+<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>:</div>
+<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keywordflow">return</span> hll6ArrBytes(lgConfigK);</div>
+<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>:</div>
+<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <span class="keywordflow">return</span> hll8ArrBytes(lgConfigK);</div>
+<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keywordflow">default</span>:</div>
+<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid target HLL type"</span>); </div>
+<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> }</div>
+<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span>}</div>
+<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> </div>
+<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span>uint32_t HllArray<A>::hll4ArrBytes(uint8_t lgConfigK) {</div>
+<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> <span class="keywordflow">return</span> 1 << (lgConfigK - 1);</div>
+<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span>}</div>
+<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> </div>
+<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span>uint32_t HllArray<A>::hll6ArrBytes(uint8_t lgConfigK) {</div>
+<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="keyword">const</span> uint32_t numSlots = 1 << lgConfigK;</div>
+<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="keywordflow">return</span> ((numSlots * 3) >> 2) + 1;</div>
+<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span>}</div>
+<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> </div>
+<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span>uint32_t HllArray<A>::hll8ArrBytes(uint8_t lgConfigK) {</div>
+<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="keywordflow">return</span> 1 << lgConfigK;</div>
+<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span>}</div>
+<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> </div>
+<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span>uint32_t HllArray<A>::getMemDataStart()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START;</div>
+<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span>}</div>
+<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> </div>
+<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span>uint32_t HllArray<A>::getUpdatableSerializationBytes()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + getHllByteArrBytes();</div>
+<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span>}</div>
+<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> </div>
+<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span>uint32_t HllArray<A>::getCompactSerializationBytes()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div>
+<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> <span class="keyword">const</span> uint32_t auxCountBytes = ((auxHashMap == <span class="keyword">nullptr</span>) ? 0 : auxHashMap->getCompactSizeBytes());</div>
+<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + getHllByteArrBytes() + auxCountBytes;</div>
+<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span>}</div>
+<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> </div>
+<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span>uint8_t HllArray<A>::getPreInts()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <span class="keywordflow">return</span> hll_constants::HLL_PREINTS;</div>
+<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span>}</div>
+<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
+<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span>AuxHashMap<A>* HllArray<A>::getAuxHashMap()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
+<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span>}</div>
+<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> </div>
+<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span><span class="keyword">auto</span> HllArray<A>::getHllArray() const -> const vector_bytes& {</div>
+<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="keywordflow">return</span> hllByteArr_;</div>
+<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span>}</div>
+<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> </div>
+<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span><span class="keywordtype">void</span> HllArray<A>::hipAndKxQIncrementalUpdate(uint8_t oldValue, uint8_t newValue) {</div>
+<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keyword">const</span> uint32_t configK = 1 << this->getLgConfigK();</div>
+<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="comment">// update hip BEFORE updating kxq</span></div>
+<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="keywordflow">if</span> (!oooFlag_) { hipAccum_ += configK / (kxq0_ + kxq1_); }</div>
+<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="comment">// update kxq0 and kxq1; subtract first, then add</span></div>
+<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keywordflow">if</span> (oldValue < 32) { kxq0_ -= INVERSE_POWERS_OF_2[oldValue]; }</div>
+<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="keywordflow">else</span> { kxq1_ -= INVERSE_POWERS_OF_2[oldValue]; }</div>
+<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="keywordflow">if</span> (newValue < 32) { kxq0_ += INVERSE_POWERS_OF_2[newValue]; }</div>
+<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keywordflow">else</span> { kxq1_ += INVERSE_POWERS_OF_2[newValue]; }</div>
+<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span>}</div>
+<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> </div>
+<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span><span class="comment">//In C: again-two-registers.c hhb_get_improved_linear_counting_estimate L1274</span></div>
+<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span><span class="keywordtype">double</span> HllArray<A>::getHllBitMapEstimate()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
+<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="keyword">const</span> uint32_t numUnhitBuckets = curMin_ == 0 ? numAtCurMin_ : 0;</div>
+<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> </div>
+<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="comment">//This will eventually go away.</span></div>
+<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="keywordflow">if</span> (numUnhitBuckets == 0) {</div>
+<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keywordflow">return</span> configK * log(configK / 0.5);</div>
+<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> }</div>
+<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> </div>
+<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <span class="keyword">const</span> uint32_t numHitBuckets = configK - numUnhitBuckets;</div>
+<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="keywordflow">return</span> HarmonicNumbers<A>::getBitMapEstimate(configK, numHitBuckets);</div>
+<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span>}</div>
+<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> </div>
+<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span><span class="comment">//In C: again-two-registers.c hhb_get_raw_estimate L1167</span></div>
+<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span><span class="keywordtype">double</span> HllArray<A>::getHllRawEstimate()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div>
+<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="keywordtype">double</span> correctionFactor;</div>
+<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 4) { correctionFactor = 0.673; }</div>
+<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 5) { correctionFactor = 0.697; }</div>
+<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 6) { correctionFactor = 0.709; }</div>
+<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">else</span> { correctionFactor = 0.7213 / (1.0 + (1.079 / configK)); }</div>
+<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keyword">const</span> <span class="keywordtype">double</span> hyperEst = (correctionFactor * configK * configK) / (kxq0_ + kxq1_);</div>
+<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keywordflow">return</span> hyperEst;</div>
+<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span>}</div>
+<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> </div>
+<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span><span class="keywordtype">void</span> HllArray<A>::setRebuildKxqCurminFlag(<span class="keywordtype">bool</span> rebuild) {</div>
+<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> rebuild_kxq_curmin_ = rebuild;</div>
+<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span>}</div>
+<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> </div>
+<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span><span class="keywordtype">bool</span> HllArray<A>::isRebuildKxqCurminFlag()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="keywordflow">return</span> rebuild_kxq_curmin_;</div>
+<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span>}</div>
+<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> </div>
+<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span><span class="keywordtype">void</span> HllArray<A>::check_rebuild_kxq_cur_min() {</div>
+<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="keywordflow">if</span> (!rebuild_kxq_curmin_) { <span class="keywordflow">return</span>; }</div>
+<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> </div>
+<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> uint8_t cur_min = 64;</div>
+<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> uint32_t num_at_cur_min = 0;</div>
+<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> <span class="keywordtype">double</span> kxq0 = 1 << this->lgConfigK_;</div>
+<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keywordtype">double</span> kxq1 = 0;</div>
+<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> </div>
+<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="keyword">auto</span> it = this->begin(<span class="keyword">true</span>); <span class="comment">// want all points to adjust cur_min</span></div>
+<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="keyword">const</span> <span class="keyword">auto</span> end = this->end();</div>
+<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keywordflow">while</span> (it != end) {</div>
+<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> uint8_t v = HllUtil<A>::getValue(*it);</div>
+<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keywordflow">if</span> (v > 0) {</div>
+<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="keywordflow">if</span> (v < 32) { kxq0 += INVERSE_POWERS_OF_2[v] - 1.0; }</div>
+<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">else</span> { kxq1 += INVERSE_POWERS_OF_2[v] - 1.0; }</div>
+<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> }</div>
+<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="keywordflow">if</span> (v > cur_min) { ++it; <span class="keywordflow">continue</span>; }</div>
+<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <span class="keywordflow">if</span> (v < cur_min) {</div>
+<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> cur_min = v;</div>
+<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> num_at_cur_min = 1;</div>
+<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> ++num_at_cur_min;</div>
+<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> } </div>
+<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> ++it;</div>
+<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> }</div>
+<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> </div>
+<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> kxq0_ = kxq0;</div>
+<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> kxq1_ = kxq1;</div>
+<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> curMin_ = cur_min;</div>
+<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> numAtCurMin_ = num_at_cur_min;</div>
+<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> rebuild_kxq_curmin_ = <span class="keyword">false</span>;</div>
+<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> <span class="comment">// HipAccum is not affected</span></div>
+<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> </div>
+<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span>}</div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> </div>
-<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span>}</div>
-<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> </div>
-<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span><span class="keyword">typename</span> HllArray<A>::const_iterator HllArray<A>::begin(<span class="keywordtype">bool</span> all)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="keywordflow">return</span> const_iterator(hllByteArr_.data(), 1 << this->lgConfigK_, 0, this->tgtHllType_, <span class="keyword">nullptr</span>, 0, all);</div>
-<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span>}</div>
-<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> </div>
-<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span><span class="keyword">typename</span> HllArray<A>::const_iterator HllArray<A>::end()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <span class="keywordflow">return</span> const_iterator(hllByteArr_.data(), 1 << this->lgConfigK_, 1 << this->lgConfigK_, this->tgtHllType_, <span class="keyword">nullptr</span>, 0, <span class="keyword">false</span>);</div>
-<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span>}</div>
-<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> </div>
-<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span>HllArray<A>::const_iterator::const_iterator(<span class="keyword">const</span> uint8_t* array, uint32_t array_size, uint32_t index, target_hll_type hll_type, <span class="keyword">const</span> AuxHashMap<A>* exceptions, uint8_t offset, <span class="keywordtype">bool</span> all):</div>
-<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span>array_(array), array_size_(array_size), index_(index), hll_type_(hll_type), exceptions_(exceptions), offset_(offset), all_(all)</div>
-<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span>{</div>
-<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="keywordflow">while</span> (index_ < array_size_) {</div>
-<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> value_ = get_value(array_, index_, hll_type_, exceptions_, offset_);</div>
-<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="keywordflow">if</span> (all_ || value_ != hll_constants::EMPTY) { <span class="keywordflow">break</span>; }</div>
-<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> ++index_;</div>
-<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> }</div>
-<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span>}</div>
-<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> </div>
-<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span><span class="keyword">typename</span> HllArray<A>::const_iterator& HllArray<A>::const_iterator::operator++() {</div>
-<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keywordflow">while</span> (++index_ < array_size_) {</div>
-<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> value_ = get_value(array_, index_, hll_type_, exceptions_, offset_);</div>
-<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="keywordflow">if</span> (all_ || value_ != hll_constants::EMPTY) { <span class="keywordflow">break</span>; }</div>
-<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> }</div>
-<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
-<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span>}</div>
-<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> </div>
-<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span><span class="keywordtype">bool</span> HllArray<A>::const_iterator::operator!=(<span class="keyword">const</span> const_iterator& other)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> <span class="keywordflow">return</span> index_ != other.index_;</div>
-<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span>}</div>
-<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> </div>
-<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span><span class="keyword">auto</span> HllArray<A>::const_iterator::operator*() const -> reference {</div>
-<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="keywordflow">return</span> HllUtil<A>::pair(index_, value_);</div>
-<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span>}</div>
-<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> </div>
-<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span>uint8_t HllArray<A>::const_iterator::get_value(<span class="keyword">const</span> uint8_t* array, uint32_t index, target_hll_type hll_type, <span class="keyword">const</span> AuxHashMap<A>* exceptions, uint8_t offset) {</div>
-<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="comment">// TODO: we should be able to improve efficiency here by reading multiple bytes at a time</span></div>
-<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> <span class="comment">// for HLL4 and HLL6</span></div>
-<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="keywordflow">if</span> (hll_type == target_hll_type::HLL_4) {</div>
-<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> uint8_t value = array[index >> 1];</div>
-<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> <span class="keywordflow">if</span> ((index & 1) > 0) { <span class="comment">// odd</span></div>
-<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> value >>= 4;</div>
-<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> value &= hll_constants::loNibbleMask;</div>
-<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> }</div>
-<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> <span class="keywordflow">if</span> (value == hll_constants::AUX_TOKEN) { <span class="comment">// exception</span></div>
-<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> <span class="keywordflow">return</span> exceptions->mustFindValueFor(index);</div>
-<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> }</div>
-<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="keywordflow">return</span> value + offset;</div>
-<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hll_type == target_hll_type::HLL_6) {</div>
-<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> start_bit = index * 6;</div>
-<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="keyword">const</span> uint8_t shift = start_bit & 0x7;</div>
-<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> byte_idx = start_bit >> 3;</div>
-<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <span class="keyword">const</span> uint16_t two_byte_val = (array[byte_idx + 1] << 8) | array[byte_idx];</div>
-<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="keywordflow">return</span> (two_byte_val >> shift) & hll_constants::VAL_MASK_6;</div>
-<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> }</div>
-<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> <span class="comment">// HLL_8</span></div>
-<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> <span class="keywordflow">return</span> array[index];</div>
-<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span>}</div>
-<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> </div>
-<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span>A HllArray<A>::getAllocator()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> <span class="keywordflow">return</span> hllByteArr_.get_allocator();</div>
+<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span><span class="keyword">typename</span> HllArray<A>::const_iterator HllArray<A>::begin(<span class="keywordtype">bool</span> all)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> <span class="keywordflow">return</span> const_iterator(hllByteArr_.data(), 1 << this->lgConfigK_, 0, this->tgtHllType_, <span class="keyword">nullptr</span>, 0, all);</div>
+<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span>}</div>
+<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> </div>
+<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span><span class="keyword">typename</span> HllArray<A>::const_iterator HllArray<A>::end()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="keywordflow">return</span> const_iterator(hllByteArr_.data(), 1 << this->lgConfigK_, 1 << this->lgConfigK_, this->tgtHllType_, <span class="keyword">nullptr</span>, 0, <span class="keyword">false</span>);</div>
+<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span>}</div>
+<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> </div>
+<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span>HllArray<A>::const_iterator::const_iterator(<span class="keyword">const</span> uint8_t* array, uint32_t array_size, uint32_t index, target_hll_type hll_type, <span class="keyword">const</span> AuxHashMap<A>* exceptions, uint8_t offset, <span class="keywordtype">bool</span> all):</div>
+<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span>array_(array), array_size_(array_size), index_(index), hll_type_(hll_type), exceptions_(exceptions), offset_(offset), all_(all)</div>
+<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span>{</div>
+<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <span class="keywordflow">while</span> (index_ < array_size_) {</div>
+<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> value_ = get_value(array_, index_, hll_type_, exceptions_, offset_);</div>
+<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="keywordflow">if</span> (all_ || value_ != hll_constants::EMPTY) { <span class="keywordflow">break</span>; }</div>
+<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> ++index_;</div>
+<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> }</div>
+<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span>}</div>
+<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> </div>
+<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span><span class="keyword">typename</span> HllArray<A>::const_iterator& HllArray<A>::const_iterator::operator++() {</div>
+<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <span class="keywordflow">while</span> (++index_ < array_size_) {</div>
+<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> value_ = get_value(array_, index_, hll_type_, exceptions_, offset_);</div>
+<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keywordflow">if</span> (all_ || value_ != hll_constants::EMPTY) { <span class="keywordflow">break</span>; }</div>
+<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> }</div>
+<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
+<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span>}</div>
+<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> </div>
+<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span><span class="keywordtype">bool</span> HllArray<A>::const_iterator::operator!=(<span class="keyword">const</span> const_iterator& other)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="keywordflow">return</span> index_ != other.index_;</div>
+<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span>}</div>
+<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> </div>
+<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span><span class="keyword">auto</span> HllArray<A>::const_iterator::operator*() const -> reference {</div>
+<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="keywordflow">return</span> HllUtil<A>::pair(index_, value_);</div>
+<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span>}</div>
+<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> </div>
+<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span>uint8_t HllArray<A>::const_iterator::get_value(<span class="keyword">const</span> uint8_t* array, uint32_t index, target_hll_type hll_type, <span class="keyword">const</span> AuxHashMap<A>* exceptions, uint8_t offset) {</div>
+<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="comment">// TODO: we should be able to improve efficiency here by reading multiple bytes at a time</span></div>
+<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="comment">// for HLL4 and HLL6</span></div>
+<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keywordflow">if</span> (hll_type == target_hll_type::HLL_4) {</div>
+<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> uint8_t value = array[index >> 1];</div>
+<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="keywordflow">if</span> ((index & 1) > 0) { <span class="comment">// odd</span></div>
+<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> value >>= 4;</div>
+<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> value &= hll_constants::loNibbleMask;</div>
+<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> }</div>
+<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> <span class="keywordflow">if</span> (value == hll_constants::AUX_TOKEN) { <span class="comment">// exception</span></div>
+<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> <span class="keywordflow">return</span> exceptions->mustFindValueFor(index);</div>
+<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> }</div>
+<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> <span class="keywordflow">return</span> value + offset;</div>
+<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hll_type == target_hll_type::HLL_6) {</div>
+<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> start_bit = index * 6;</div>
+<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> <span class="keyword">const</span> uint8_t shift = start_bit & 0x7;</div>
+<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> byte_idx = start_bit >> 3;</div>
+<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="keyword">const</span> uint16_t two_byte_val = (array[byte_idx + 1] << 8) | array[byte_idx];</div>
+<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="keywordflow">return</span> (two_byte_val >> shift) & hll_constants::VAL_MASK_6;</div>
+<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> }</div>
+<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="comment">// HLL_8</span></div>
+<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <span class="keywordflow">return</span> array[index];</div>
+<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span>}</div>
+<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> </div>
+<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span>A HllArray<A>::getAllocator()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keywordflow">return</span> hllByteArr_.get_allocator();</div>
+<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span>}</div>
+<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> </div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span>}</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> </div>
-<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span>}</div>
-<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> </div>
-<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span><span class="preprocessor">#endif </span><span class="comment">// _HLLARRAY_INTERNAL_HPP_</span></div>
+<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span><span class="preprocessor">#endif </span><span class="comment">// _HLLARRAY_INTERNAL_HPP_</span></div>
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">datasketches::HLL_6</a></div><div class="ttdeci">@ HLL_6</div><div class="ttdoc">6 bits per entry (fixed size)</div><div class="ttdef"><b>Definition</b> hll.hpp:74</div></div>
diff --git a/docs/master/HllArray_8hpp_source.html b/docs/master/HllArray_8hpp_source.html
index 0a6b65d..b291433 100644
--- a/docs/master/HllArray_8hpp_source.html
+++ b/docs/master/HllArray_8hpp_source.html
@@ -116,7 +116,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">using </span>vector_bytes = std::vector<uint8_t, typename std::allocator_traits<A>::template rebind_alloc<uint8_t>>;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
-<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> HllArray(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator);</div>
+<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> HllArray(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keyword">const</span> A& allocator);</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">explicit</span> HllArray(<span class="keyword">const</span> HllArray& other, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">static</span> HllArray* newHll(<span class="keyword">const</span> <span class="keywordtype">void</span>* bytes, <span class="keywordtype">size_t</span> len, <span class="keyword">const</span> A& allocator);</div>
diff --git a/docs/master/HllSketch-internal_8hpp_source.html b/docs/master/HllSketch-internal_8hpp_source.html
index 69ef84e..fc97d30 100644
--- a/docs/master/HllSketch-internal_8hpp_source.html
+++ b/docs/master/HllSketch-internal_8hpp_source.html
@@ -128,7 +128,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>hll_sketch_alloc<A>::hll_sketch_alloc(uint8_t lg_config_k, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgt_type, <span class="keywordtype">bool</span> start_full_size, <span class="keyword">const</span> A& allocator) {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> HllUtil<A>::checkLgK(lg_config_k);</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> (start_full_size) {</div>
-<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> sketch_impl = HllSketchImplFactory<A>::newHll(lg_config_k, tgt_type, start_full_size, allocator);</div>
+<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> sketch_impl = HllSketchImplFactory<A>::newHll(lg_config_k, tgt_type, allocator);</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<CouponList<A>> clAlloc;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> sketch_impl = <span class="keyword">new</span> (clAlloc(allocator).allocate(1)) CouponList<A>(lg_config_k, tgt_type, hll_mode::LIST, allocator);</div>
@@ -190,359 +190,357 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::reset() {</div>
-<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// TODO: need to allow starting from a full-sized sketch</span></div>
-<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// (either here or in other implementation)</span></div>
-<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> sketch_impl = sketch_impl->reset();</div>
-<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span>}</div>
-<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
-<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keyword">const</span> std::string& datum) {</div>
-<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (datum.empty()) { <span class="keywordflow">return</span>; }</div>
-<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> HashState hashResult;</div>
-<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> HllUtil<A>::hash(datum.c_str(), datum.length(), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>}</div>
-<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
-<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint64_t datum) {</div>
-<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// no sign extension with 64 bits so no need to cast to signed value</span></div>
-<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> HashState hashResult;</div>
-<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> HllUtil<A>::hash(&datum, <span class="keyword">sizeof</span>(uint64_t), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span>}</div>
-<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
-<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint32_t datum) {</div>
-<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> update(<span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(datum));</div>
-<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>}</div>
-<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
-<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint16_t datum) {</div>
-<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> update(<span class="keyword">static_cast<</span>int16_t<span class="keyword">></span>(datum));</div>
-<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span>}</div>
-<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
-<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint8_t datum) {</div>
-<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> update(<span class="keyword">static_cast<</span>int8_t<span class="keyword">></span>(datum));</div>
-<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>}</div>
-<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
-<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int64_t datum) {</div>
-<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> HashState hashResult;</div>
-<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> HllUtil<A>::hash(&datum, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>}</div>
-<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
-<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int32_t datum) {</div>
-<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">const</span> int64_t val = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(datum);</div>
-<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> HashState hashResult;</div>
-<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> HllUtil<A>::hash(&val, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span>}</div>
-<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
-<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int16_t datum) {</div>
-<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">const</span> int64_t val = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(datum);</div>
-<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> HashState hashResult;</div>
-<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> HllUtil<A>::hash(&val, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span>}</div>
-<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
-<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int8_t datum) {</div>
-<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">const</span> int64_t val = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(datum);</div>
-<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> HashState hashResult;</div>
-<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> HllUtil<A>::hash(&val, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span>}</div>
-<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
-<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keywordtype">double</span> datum) {</div>
-<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> longDoubleUnion d;</div>
-<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> d.doubleBytes = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(datum);</div>
-<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">if</span> (datum == 0.0) {</div>
-<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> d.doubleBytes = 0.0; <span class="comment">// canonicalize -0.0 to 0.0</span></div>
-<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (std::isnan(d.doubleBytes)) {</div>
-<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> d.longBytes = 0x7ff8000000000000L; <span class="comment">// canonicalize NaN using value from Java's Double.doubleToLongBits()</span></div>
-<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> }</div>
-<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> HashState hashResult;</div>
-<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> HllUtil<A>::hash(&d, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div>
-<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
-<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keywordtype">float</span> datum) {</div>
-<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> longDoubleUnion d;</div>
-<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> d.doubleBytes = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(datum);</div>
-<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">if</span> (datum == 0.0) {</div>
-<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> d.doubleBytes = 0.0; <span class="comment">// canonicalize -0.0 to 0.0</span></div>
-<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (std::isnan(d.doubleBytes)) {</div>
-<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> d.longBytes = 0x7ff8000000000000L; <span class="comment">// canonicalize NaN using value from Java's Double.doubleToLongBits()</span></div>
-<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> }</div>
-<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> HashState hashResult;</div>
-<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> HllUtil<A>::hash(&d, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>), DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span>}</div>
-<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
-<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">size_t</span> lengthBytes) {</div>
-<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">if</span> (data == <span class="keyword">nullptr</span>) { <span class="keywordflow">return</span>; }</div>
-<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> HashState hashResult;</div>
-<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> HllUtil<A>::hash(data, lengthBytes, DEFAULT_SEED, hashResult);</div>
-<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
-<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span>}</div>
-<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
-<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::coupon_update(uint32_t coupon) {</div>
-<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">if</span> (coupon == hll_constants::EMPTY) { <span class="keywordflow">return</span>; }</div>
-<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> HllSketchImpl<A>* result = this->sketch_impl->couponUpdate(coupon);</div>
-<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">if</span> (result != this->sketch_impl) {</div>
-<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> this->sketch_impl->get_deleter()(this->sketch_impl);</div>
-<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> this->sketch_impl = result;</div>
-<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
-<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span>}</div>
-<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
-<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::serialize_compact(std::ostream& os)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">return</span> sketch_impl->serialize(os, <span class="keyword">true</span>);</div>
-<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>}</div>
-<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> </div>
-<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::serialize_updatable(std::ostream& os)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">return</span> sketch_impl->serialize(os, <span class="keyword">false</span>);</div>
-<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>}</div>
-<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
-<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span><span class="keyword">auto</span> hll_sketch_alloc<A>::serialize_compact(<span class="keywordtype">unsigned</span> header_size_bytes) <span class="keyword">const</span> -> vector_bytes {</div>
-<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">return</span> sketch_impl->serialize(<span class="keyword">true</span>, header_size_bytes);</div>
-<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span>}</div>
-<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
-<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><span class="keyword">auto</span> hll_sketch_alloc<A>::serialize_updatable() const -> vector_bytes {</div>
-<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keywordflow">return</span> sketch_impl->serialize(<span class="keyword">false</span>, 0);</div>
-<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span>}</div>
-<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
-<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span>string<A> hll_sketch_alloc<A>::to_string(<span class="keyword">const</span> <span class="keywordtype">bool</span> summary,</div>
-<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> detail,</div>
-<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> aux_detail,</div>
-<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> all)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// Using a temporary stream for implementation here does not comply with AllocatorAwareContainer requirements.</span></div>
-<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="comment">// The stream does not support passing an allocator instance, and alternatives are complicated.</span></div>
-<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> std::stringstream os;</div>
-<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">if</span> (summary) {</div>
-<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> os << <span class="stringliteral">"### HLL sketch summary:"</span> << std::endl</div>
-<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> << <span class="stringliteral">" Log Config K : "</span> << std::to_string(get_lg_config_k()) << std::endl</div>
-<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> << <span class="stringliteral">" Hll Target : "</span> << type_as_string() << std::endl</div>
-<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> << <span class="stringliteral">" Current Mode : "</span> << mode_as_string() << std::endl</div>
-<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> << <span class="stringliteral">" LB : "</span> << get_lower_bound(1) << std::endl</div>
-<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> << <span class="stringliteral">" Estimate : "</span> << get_estimate() << std::endl</div>
-<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> << <span class="stringliteral">" UB : "</span> << get_upper_bound(1) << std::endl</div>
-<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> << <span class="stringliteral">" OutOfOrder flag: "</span> << (is_out_of_order_flag() ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>) << std::endl;</div>
-<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">if</span> (get_current_mode() == HLL) {</div>
-<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> HllArray<A>* hllArray = (HllArray<A>*) sketch_impl;</div>
-<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> os << <span class="stringliteral">" CurMin : "</span> << std::to_string(hllArray->getCurMin()) << std::endl</div>
-<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> << <span class="stringliteral">" NumAtCurMin : "</span> << hllArray->getNumAtCurMin() << std::endl</div>
-<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> << <span class="stringliteral">" HipAccum : "</span> << hllArray->getHipAccum() << std::endl</div>
-<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> << <span class="stringliteral">" KxQ0 : "</span> << hllArray->getKxQ0() << std::endl</div>
-<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> << <span class="stringliteral">" KxQ1 : "</span> << hllArray->getKxQ1() << std::endl;</div>
-<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">if</span> (get_target_type() == HLL_4) {</div>
-<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">const</span> Hll4Array<A>* hll4_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>Hll4Array<A>*<span class="keyword">></span>(sketch_impl);</div>
-<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> os << <span class="stringliteral">" Aux table? : "</span> << (hll4_ptr->getAuxHashMap() != <span class="keyword">nullptr</span> ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>) << std::endl;</div>
-<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> }</div>
-<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> os << <span class="stringliteral">" Coupon count : "</span></div>
-<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> << std::to_string(((CouponList<A>*) sketch_impl)->getCouponCount()) << std::endl;</div>
-<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> }</div>
-<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> os << <span class="stringliteral">"### End HLL sketch summary"</span> << std::endl;</div>
-<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
-<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
-<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">if</span> (detail) {</div>
-<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> os << <span class="stringliteral">"### HLL sketch data detail:"</span> << std::endl;</div>
-<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keywordflow">if</span> (get_current_mode() == HLL) {</div>
-<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">const</span> HllArray<A>* hll_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>HllArray<A>*<span class="keyword">></span>(sketch_impl);</div>
-<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> os << std::left << std::setw(10) << <span class="stringliteral">"Slot"</span> << std::setw(6) << <span class="stringliteral">"Value"</span> << std::endl;</div>
-<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keyword">auto</span> it = hll_ptr->begin(all);</div>
-<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordflow">while</span> (it != hll_ptr->end()) {</div>
-<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> os << std::setw(10) << HllUtil<A>::getLow26(*it);</div>
-<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> os << std::setw(6) << HllUtil<A>::getValue(*it);</div>
-<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> os << std::endl;</div>
-<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> ++it;</div>
-<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> }</div>
-<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">const</span> CouponList<A>* list_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>CouponList<A>*<span class="keyword">></span>(sketch_impl);</div>
-<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> os << std::left;</div>
-<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> os << std::setw(10) << <span class="stringliteral">"Index"</span>;</div>
-<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> os << std::setw(10) << <span class="stringliteral">"Key"</span>;</div>
-<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> os << std::setw(10) << <span class="stringliteral">"Slot"</span>;</div>
-<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> os << std::setw(6) << <span class="stringliteral">"Value"</span>;</div>
-<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> os << std::endl;</div>
-<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">auto</span> it = list_ptr->begin(all);</div>
-<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordtype">int</span> i = 0;</div>
-<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordtype">int</span> mask = (1 << get_lg_config_k()) - 1;</div>
-<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">while</span> (it != list_ptr->end()) {</div>
-<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> os << std::setw(10) << i;</div>
-<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> os << std::setw(10) << HllUtil<A>::getLow26(*it);</div>
-<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> os << std::setw(10) << (HllUtil<A>::getLow26(*it) & mask);</div>
-<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> os << std::setw(6) << HllUtil<A>::getValue(*it);</div>
-<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> os << std::endl;</div>
-<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> ++it;</div>
-<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> ++i;</div>
-<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
-<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> }</div>
-<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> os << <span class="stringliteral">"### End HLL sketch data detail"</span> << std::endl;</div>
-<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> }</div>
-<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">if</span> (aux_detail) {</div>
-<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">if</span> ((get_current_mode() == HLL) && (get_target_type() == HLL_4)) {</div>
-<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keyword">const</span> Hll4Array<A>* hll4_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>Hll4Array<A>*<span class="keyword">></span>(sketch_impl);</div>
-<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">const</span> AuxHashMap<A>* aux_ptr = hll4_ptr->getAuxHashMap();</div>
-<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">if</span> (aux_ptr != <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> os << <span class="stringliteral">"### HLL sketch aux detail:"</span> << std::endl;</div>
-<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> os << std::left;</div>
-<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> os << std::setw(10) << <span class="stringliteral">"Index"</span>;</div>
-<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> os << std::setw(10) << <span class="stringliteral">"Key"</span>;</div>
-<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> os << std::setw(10) << <span class="stringliteral">"Slot"</span>;</div>
-<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> os << std::setw(6) << <span class="stringliteral">"Value"</span>;</div>
-<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> os << std::endl;</div>
-<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keyword">auto</span> it = aux_ptr->begin(all);</div>
-<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keywordtype">int</span> i = 0;</div>
-<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordtype">int</span> mask = (1 << get_lg_config_k()) - 1;</div>
-<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">while</span> (it != aux_ptr->end()) {</div>
-<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> os << std::setw(10) << i;</div>
-<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> os << std::setw(10) << HllUtil<A>::getLow26(*it);</div>
-<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> os << std::setw(10) << (HllUtil<A>::getLow26(*it) & mask);</div>
-<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> os << std::setw(6) << HllUtil<A>::getValue(*it);</div>
-<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> os << std::endl;</div>
-<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> ++it;</div>
-<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> ++i;</div>
-<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
-<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> os << <span class="stringliteral">"### End HLL sketch aux detail"</span> << std::endl;</div>
-<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> }</div>
-<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> }</div>
-<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> }</div>
-<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> </div>
-<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keywordflow">return</span> string<A>(os.str().c_str(), sketch_impl->getAllocator());</div>
-<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span>}</div>
-<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> </div>
-<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_estimate()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">return</span> sketch_impl->getEstimate();</div>
-<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span>}</div>
-<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
-<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_composite_estimate()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">return</span> sketch_impl->getCompositeEstimate();</div>
-<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span>}</div>
-<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
-<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_lower_bound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">return</span> sketch_impl->getLowerBound(numStdDev);</div>
-<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span>}</div>
-<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
-<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_upper_bound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">return</span> sketch_impl->getUpperBound(numStdDev);</div>
-<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span>}</div>
-<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
-<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span>hll_mode hll_sketch_alloc<A>::get_current_mode()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keywordflow">return</span> sketch_impl->getCurMode();</div>
-<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span>}</div>
-<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> </div>
-<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span>uint8_t hll_sketch_alloc<A>::get_lg_config_k()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keywordflow">return</span> sketch_impl->getLgConfigK();</div>
-<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span>}</div>
-<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> </div>
-<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> hll_sketch_alloc<A>::get_target_type()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">return</span> sketch_impl->getTgtHllType();</div>
-<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span>}</div>
-<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> </div>
-<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_out_of_order_flag()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">return</span> sketch_impl->isOutOfOrderFlag();</div>
-<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span>}</div>
-<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> </div>
-<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_estimation_mode()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
-<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span>}</div>
-<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> </div>
-<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span>uint32_t hll_sketch_alloc<A>::get_updatable_serialization_bytes()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="keywordflow">return</span> sketch_impl->getUpdatableSerializationBytes();</div>
-<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span>}</div>
-<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> </div>
-<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span>uint32_t hll_sketch_alloc<A>::get_compact_serialization_bytes()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordflow">return</span> sketch_impl->getCompactSerializationBytes();</div>
-<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span>}</div>
-<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> </div>
-<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_compact()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="keywordflow">return</span> sketch_impl->isCompact();</div>
-<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span>}</div>
-<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> </div>
-<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_empty()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keywordflow">return</span> sketch_impl->isEmpty();</div>
-<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span>}</div>
-<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> </div>
-<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span>std::string hll_sketch_alloc<A>::type_as_string()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">switch</span> (sketch_impl->getTgtHllType()) {</div>
-<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="keywordflow">case</span> target_hll_type::HLL_4:</div>
-<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL_4"</span>);</div>
-<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keywordflow">case</span> target_hll_type::HLL_6:</div>
-<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL_6"</span>);</div>
-<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keywordflow">case</span> target_hll_type::HLL_8:</div>
-<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL_8"</span>);</div>
-<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="keywordflow">default</span>:</div>
-<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Sketch state error: Invalid target_hll_type"</span>);</div>
-<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> }</div>
-<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span>}</div>
-<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> </div>
-<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span>std::string hll_sketch_alloc<A>::mode_as_string()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">switch</span> (sketch_impl->getCurMode()) {</div>
-<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">case</span> LIST:</div>
-<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"LIST"</span>);</div>
-<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="keywordflow">case</span> SET:</div>
-<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"SET"</span>);</div>
-<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">case</span> HLL:</div>
-<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL"</span>);</div>
-<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">default</span>:</div>
-<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Sketch state error: Invalid hll_mode"</span>);</div>
-<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> }</div>
-<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span>}</div>
-<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> </div>
-<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span>uint32_t hll_sketch_alloc<A>::get_max_updatable_serialization_bytes(uint8_t lg_config_k,</div>
-<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keyword">const</span> target_hll_type tgtHllType) {</div>
-<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> uint32_t arrBytes;</div>
-<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="keywordflow">if</span> (tgtHllType == target_hll_type::HLL_4) {</div>
-<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="keyword">const</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[lg_config_k];</div>
-<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> arrBytes = HllArray<A>::hll4ArrBytes(lg_config_k) + auxBytes;</div>
-<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tgtHllType == target_hll_type::HLL_6) {</div>
-<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> arrBytes = HllArray<A>::hll6ArrBytes(lg_config_k);</div>
-<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> } <span class="keywordflow">else</span> { <span class="comment">//HLL_8</span></div>
-<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> arrBytes = HllArray<A>::hll8ArrBytes(lg_config_k);</div>
-<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> }</div>
-<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + arrBytes;</div>
-<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span>}</div>
-<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> </div>
-<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_rel_err(<span class="keywordtype">bool</span> upperBound, <span class="keywordtype">bool</span> unioned,</div>
-<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> uint8_t lg_config_k, uint8_t numStdDev) {</div>
-<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keywordflow">return</span> HllUtil<A>::getRelErr(upperBound, unioned, lg_config_k, numStdDev);</div>
+<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::reset(<span class="keywordtype">bool</span> full_size) {</div>
+<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> sketch_impl = sketch_impl->reset(full_size);</div>
+<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>}</div>
+<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
+<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keyword">const</span> std::string& datum) {</div>
+<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">if</span> (datum.empty()) { <span class="keywordflow">return</span>; }</div>
+<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> HashState hashResult;</div>
+<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> HllUtil<A>::hash(datum.c_str(), datum.length(), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span>}</div>
+<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
+<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint64_t datum) {</div>
+<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// no sign extension with 64 bits so no need to cast to signed value</span></div>
+<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> HashState hashResult;</div>
+<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> HllUtil<A>::hash(&datum, <span class="keyword">sizeof</span>(uint64_t), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span>}</div>
+<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
+<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint32_t datum) {</div>
+<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> update(<span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(datum));</div>
+<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>}</div>
+<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
+<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint16_t datum) {</div>
+<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> update(<span class="keyword">static_cast<</span>int16_t<span class="keyword">></span>(datum));</div>
+<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>}</div>
+<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
+<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(uint8_t datum) {</div>
+<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> update(<span class="keyword">static_cast<</span>int8_t<span class="keyword">></span>(datum));</div>
+<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span>}</div>
+<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
+<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int64_t datum) {</div>
+<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> HashState hashResult;</div>
+<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> HllUtil<A>::hash(&datum, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span>}</div>
+<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
+<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int32_t datum) {</div>
+<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">const</span> int64_t val = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(datum);</div>
+<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> HashState hashResult;</div>
+<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> HllUtil<A>::hash(&val, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>}</div>
+<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
+<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int16_t datum) {</div>
+<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">const</span> int64_t val = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(datum);</div>
+<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> HashState hashResult;</div>
+<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> HllUtil<A>::hash(&val, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span>}</div>
+<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
+<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(int8_t datum) {</div>
+<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">const</span> int64_t val = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(datum);</div>
+<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> HashState hashResult;</div>
+<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> HllUtil<A>::hash(&val, <span class="keyword">sizeof</span>(int64_t), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>}</div>
+<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
+<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keywordtype">double</span> datum) {</div>
+<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> longDoubleUnion d;</div>
+<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> d.doubleBytes = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(datum);</div>
+<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">if</span> (datum == 0.0) {</div>
+<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> d.doubleBytes = 0.0; <span class="comment">// canonicalize -0.0 to 0.0</span></div>
+<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (std::isnan(d.doubleBytes)) {</div>
+<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> d.longBytes = 0x7ff8000000000000L; <span class="comment">// canonicalize NaN using value from Java's Double.doubleToLongBits()</span></div>
+<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div>
+<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> HashState hashResult;</div>
+<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> HllUtil<A>::hash(&d, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span>}</div>
+<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
+<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keywordtype">float</span> datum) {</div>
+<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> longDoubleUnion d;</div>
+<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> d.doubleBytes = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(datum);</div>
+<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">if</span> (datum == 0.0) {</div>
+<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> d.doubleBytes = 0.0; <span class="comment">// canonicalize -0.0 to 0.0</span></div>
+<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (std::isnan(d.doubleBytes)) {</div>
+<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> d.longBytes = 0x7ff8000000000000L; <span class="comment">// canonicalize NaN using value from Java's Double.doubleToLongBits()</span></div>
+<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> }</div>
+<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> HashState hashResult;</div>
+<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> HllUtil<A>::hash(&d, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>), DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span>}</div>
+<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
+<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::update(<span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">size_t</span> lengthBytes) {</div>
+<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (data == <span class="keyword">nullptr</span>) { <span class="keywordflow">return</span>; }</div>
+<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> HashState hashResult;</div>
+<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> HllUtil<A>::hash(data, lengthBytes, DEFAULT_SEED, hashResult);</div>
+<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> coupon_update(HllUtil<A>::coupon(hashResult));</div>
+<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>}</div>
+<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
+<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::coupon_update(uint32_t coupon) {</div>
+<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">if</span> (coupon == hll_constants::EMPTY) { <span class="keywordflow">return</span>; }</div>
+<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> HllSketchImpl<A>* result = this->sketch_impl->couponUpdate(coupon);</div>
+<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">if</span> (result != this->sketch_impl) {</div>
+<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> this->sketch_impl->get_deleter()(this->sketch_impl);</div>
+<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> this->sketch_impl = result;</div>
+<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</div>
+<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>}</div>
+<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
+<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::serialize_compact(std::ostream& os)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">return</span> sketch_impl->serialize(os, <span class="keyword">true</span>);</div>
+<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span>}</div>
+<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
+<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="keywordtype">void</span> hll_sketch_alloc<A>::serialize_updatable(std::ostream& os)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">return</span> sketch_impl->serialize(os, <span class="keyword">false</span>);</div>
+<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span>}</div>
+<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
+<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span><span class="keyword">auto</span> hll_sketch_alloc<A>::serialize_compact(<span class="keywordtype">unsigned</span> header_size_bytes) <span class="keyword">const</span> -> vector_bytes {</div>
+<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">return</span> sketch_impl->serialize(<span class="keyword">true</span>, header_size_bytes);</div>
+<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span>}</div>
+<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div>
+<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="keyword">auto</span> hll_sketch_alloc<A>::serialize_updatable() const -> vector_bytes {</div>
+<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> sketch_impl->serialize(<span class="keyword">false</span>, 0);</div>
+<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span>}</div>
+<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
+<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span>string<A> hll_sketch_alloc<A>::to_string(<span class="keyword">const</span> <span class="keywordtype">bool</span> summary,</div>
+<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> detail,</div>
+<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> aux_detail,</div>
+<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> all)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="comment">// Using a temporary stream for implementation here does not comply with AllocatorAwareContainer requirements.</span></div>
+<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="comment">// The stream does not support passing an allocator instance, and alternatives are complicated.</span></div>
+<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> std::stringstream os;</div>
+<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">if</span> (summary) {</div>
+<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> os << <span class="stringliteral">"### HLL sketch summary:"</span> << std::endl</div>
+<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> << <span class="stringliteral">" Log Config K : "</span> << std::to_string(get_lg_config_k()) << std::endl</div>
+<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> << <span class="stringliteral">" Hll Target : "</span> << type_as_string() << std::endl</div>
+<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> << <span class="stringliteral">" Current Mode : "</span> << mode_as_string() << std::endl</div>
+<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> << <span class="stringliteral">" LB : "</span> << get_lower_bound(1) << std::endl</div>
+<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> << <span class="stringliteral">" Estimate : "</span> << get_estimate() << std::endl</div>
+<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> << <span class="stringliteral">" UB : "</span> << get_upper_bound(1) << std::endl</div>
+<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> << <span class="stringliteral">" OutOfOrder flag: "</span> << (is_out_of_order_flag() ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>) << std::endl;</div>
+<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (get_current_mode() == HLL) {</div>
+<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> HllArray<A>* hllArray = (HllArray<A>*) sketch_impl;</div>
+<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> os << <span class="stringliteral">" CurMin : "</span> << std::to_string(hllArray->getCurMin()) << std::endl</div>
+<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> << <span class="stringliteral">" NumAtCurMin : "</span> << hllArray->getNumAtCurMin() << std::endl</div>
+<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> << <span class="stringliteral">" HipAccum : "</span> << hllArray->getHipAccum() << std::endl</div>
+<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> << <span class="stringliteral">" KxQ0 : "</span> << hllArray->getKxQ0() << std::endl</div>
+<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> << <span class="stringliteral">" KxQ1 : "</span> << hllArray->getKxQ1() << std::endl;</div>
+<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordflow">if</span> (get_target_type() == HLL_4) {</div>
+<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">const</span> Hll4Array<A>* hll4_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>Hll4Array<A>*<span class="keyword">></span>(sketch_impl);</div>
+<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> os << <span class="stringliteral">" Aux table? : "</span> << (hll4_ptr->getAuxHashMap() != <span class="keyword">nullptr</span> ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>) << std::endl;</div>
+<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> }</div>
+<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> os << <span class="stringliteral">" Coupon count : "</span></div>
+<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> << std::to_string(((CouponList<A>*) sketch_impl)->getCouponCount()) << std::endl;</div>
+<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
+<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> os << <span class="stringliteral">"### End HLL sketch summary"</span> << std::endl;</div>
+<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> }</div>
+<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
+<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keywordflow">if</span> (detail) {</div>
+<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> os << <span class="stringliteral">"### HLL sketch data detail:"</span> << std::endl;</div>
+<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">if</span> (get_current_mode() == HLL) {</div>
+<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keyword">const</span> HllArray<A>* hll_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>HllArray<A>*<span class="keyword">></span>(sketch_impl);</div>
+<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> os << std::left << std::setw(10) << <span class="stringliteral">"Slot"</span> << std::setw(6) << <span class="stringliteral">"Value"</span> << std::endl;</div>
+<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">auto</span> it = hll_ptr->begin(all);</div>
+<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">while</span> (it != hll_ptr->end()) {</div>
+<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> os << std::setw(10) << HllUtil<A>::getLow26(*it);</div>
+<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> os << std::setw(6) << HllUtil<A>::getValue(*it);</div>
+<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> os << std::endl;</div>
+<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> ++it;</div>
+<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> }</div>
+<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keyword">const</span> CouponList<A>* list_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>CouponList<A>*<span class="keyword">></span>(sketch_impl);</div>
+<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> os << std::left;</div>
+<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> os << std::setw(10) << <span class="stringliteral">"Index"</span>;</div>
+<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> os << std::setw(10) << <span class="stringliteral">"Key"</span>;</div>
+<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> os << std::setw(10) << <span class="stringliteral">"Slot"</span>;</div>
+<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> os << std::setw(6) << <span class="stringliteral">"Value"</span>;</div>
+<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> os << std::endl;</div>
+<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keyword">auto</span> it = list_ptr->begin(all);</div>
+<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordtype">int</span> i = 0;</div>
+<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordtype">int</span> mask = (1 << get_lg_config_k()) - 1;</div>
+<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">while</span> (it != list_ptr->end()) {</div>
+<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> os << std::setw(10) << i;</div>
+<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> os << std::setw(10) << HllUtil<A>::getLow26(*it);</div>
+<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> os << std::setw(10) << (HllUtil<A>::getLow26(*it) & mask);</div>
+<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> os << std::setw(6) << HllUtil<A>::getValue(*it);</div>
+<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> os << std::endl;</div>
+<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> ++it;</div>
+<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> ++i;</div>
+<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> }</div>
+<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
+<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> os << <span class="stringliteral">"### End HLL sketch data detail"</span> << std::endl;</div>
+<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> }</div>
+<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordflow">if</span> (aux_detail) {</div>
+<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordflow">if</span> ((get_current_mode() == HLL) && (get_target_type() == HLL_4)) {</div>
+<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keyword">const</span> Hll4Array<A>* hll4_ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span>Hll4Array<A>*<span class="keyword">></span>(sketch_impl);</div>
+<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">const</span> AuxHashMap<A>* aux_ptr = hll4_ptr->getAuxHashMap();</div>
+<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">if</span> (aux_ptr != <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> os << <span class="stringliteral">"### HLL sketch aux detail:"</span> << std::endl;</div>
+<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> os << std::left;</div>
+<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> os << std::setw(10) << <span class="stringliteral">"Index"</span>;</div>
+<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> os << std::setw(10) << <span class="stringliteral">"Key"</span>;</div>
+<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> os << std::setw(10) << <span class="stringliteral">"Slot"</span>;</div>
+<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> os << std::setw(6) << <span class="stringliteral">"Value"</span>;</div>
+<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> os << std::endl;</div>
+<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">auto</span> it = aux_ptr->begin(all);</div>
+<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordtype">int</span> i = 0;</div>
+<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordtype">int</span> mask = (1 << get_lg_config_k()) - 1;</div>
+<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keywordflow">while</span> (it != aux_ptr->end()) {</div>
+<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> os << std::setw(10) << i;</div>
+<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> os << std::setw(10) << HllUtil<A>::getLow26(*it);</div>
+<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> os << std::setw(10) << (HllUtil<A>::getLow26(*it) & mask);</div>
+<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> os << std::setw(6) << HllUtil<A>::getValue(*it);</div>
+<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> os << std::endl;</div>
+<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> ++it;</div>
+<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> ++i;</div>
+<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> }</div>
+<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> os << <span class="stringliteral">"### End HLL sketch aux detail"</span> << std::endl;</div>
+<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
+<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> }</div>
+<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> }</div>
+<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> </div>
+<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordflow">return</span> string<A>(os.str().c_str(), sketch_impl->getAllocator());</div>
+<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span>}</div>
+<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
+<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_estimate()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keywordflow">return</span> sketch_impl->getEstimate();</div>
+<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span>}</div>
+<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> </div>
+<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_composite_estimate()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keywordflow">return</span> sketch_impl->getCompositeEstimate();</div>
+<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span>}</div>
+<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> </div>
+<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_lower_bound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordflow">return</span> sketch_impl->getLowerBound(numStdDev);</div>
+<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span>}</div>
+<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> </div>
+<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_upper_bound(uint8_t numStdDev)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keywordflow">return</span> sketch_impl->getUpperBound(numStdDev);</div>
+<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span>}</div>
+<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> </div>
+<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span>hll_mode hll_sketch_alloc<A>::get_current_mode()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="keywordflow">return</span> sketch_impl->getCurMode();</div>
+<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span>}</div>
+<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> </div>
+<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span>uint8_t hll_sketch_alloc<A>::get_lg_config_k()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keywordflow">return</span> sketch_impl->getLgConfigK();</div>
+<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span>}</div>
+<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> </div>
+<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> hll_sketch_alloc<A>::get_target_type()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keywordflow">return</span> sketch_impl->getTgtHllType();</div>
+<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span>}</div>
+<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> </div>
+<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_out_of_order_flag()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="keywordflow">return</span> sketch_impl->isOutOfOrderFlag();</div>
+<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span>}</div>
+<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> </div>
+<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_estimation_mode()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
+<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span>}</div>
+<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> </div>
+<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span>uint32_t hll_sketch_alloc<A>::get_updatable_serialization_bytes()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">return</span> sketch_impl->getUpdatableSerializationBytes();</div>
+<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span>}</div>
+<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> </div>
+<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span>uint32_t hll_sketch_alloc<A>::get_compact_serialization_bytes()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keywordflow">return</span> sketch_impl->getCompactSerializationBytes();</div>
+<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span>}</div>
+<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> </div>
+<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_compact()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="keywordflow">return</span> sketch_impl->isCompact();</div>
+<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span>}</div>
+<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> </div>
+<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span><span class="keywordtype">bool</span> hll_sketch_alloc<A>::is_empty()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">return</span> sketch_impl->isEmpty();</div>
+<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span>}</div>
+<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> </div>
+<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span>std::string hll_sketch_alloc<A>::type_as_string()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keywordflow">switch</span> (sketch_impl->getTgtHllType()) {</div>
+<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordflow">case</span> target_hll_type::HLL_4:</div>
+<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL_4"</span>);</div>
+<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="keywordflow">case</span> target_hll_type::HLL_6:</div>
+<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL_6"</span>);</div>
+<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keywordflow">case</span> target_hll_type::HLL_8:</div>
+<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL_8"</span>);</div>
+<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keywordflow">default</span>:</div>
+<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Sketch state error: Invalid target_hll_type"</span>);</div>
+<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> }</div>
+<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span>}</div>
+<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> </div>
+<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span>std::string hll_sketch_alloc<A>::mode_as_string()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="keywordflow">switch</span> (sketch_impl->getCurMode()) {</div>
+<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="keywordflow">case</span> LIST:</div>
+<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"LIST"</span>);</div>
+<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">case</span> SET:</div>
+<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"SET"</span>);</div>
+<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="keywordflow">case</span> HLL:</div>
+<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordflow">return</span> std::string(<span class="stringliteral">"HLL"</span>);</div>
+<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">default</span>:</div>
+<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Sketch state error: Invalid hll_mode"</span>);</div>
+<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> }</div>
+<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span>}</div>
+<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> </div>
+<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span>uint32_t hll_sketch_alloc<A>::get_max_updatable_serialization_bytes(uint8_t lg_config_k,</div>
+<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keyword">const</span> target_hll_type tgtHllType) {</div>
+<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> uint32_t arrBytes;</div>
+<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keywordflow">if</span> (tgtHllType == target_hll_type::HLL_4) {</div>
+<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="keyword">const</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[lg_config_k];</div>
+<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> arrBytes = HllArray<A>::hll4ArrBytes(lg_config_k) + auxBytes;</div>
+<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tgtHllType == target_hll_type::HLL_6) {</div>
+<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> arrBytes = HllArray<A>::hll6ArrBytes(lg_config_k);</div>
+<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> } <span class="keywordflow">else</span> { <span class="comment">//HLL_8</span></div>
+<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> arrBytes = HllArray<A>::hll8ArrBytes(lg_config_k);</div>
+<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> }</div>
+<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + arrBytes;</div>
+<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span>}</div>
+<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> </div>
+<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span><span class="keywordtype">double</span> hll_sketch_alloc<A>::get_rel_err(<span class="keywordtype">bool</span> upperBound, <span class="keywordtype">bool</span> unioned,</div>
+<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> uint8_t lg_config_k, uint8_t numStdDev) {</div>
+<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">return</span> HllUtil<A>::getRelErr(upperBound, unioned, lg_config_k, numStdDev);</div>
+<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span>}</div>
+<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> </div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span>}</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
-<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span>}</div>
-<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> </div>
-<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span><span class="preprocessor">#endif </span><span class="comment">// _HLLSKETCH_INTERNAL_HPP_</span></div>
+<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span><span class="preprocessor">#endif </span><span class="comment">// _HLLSKETCH_INTERNAL_HPP_</span></div>
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div>
</div><!-- fragment --></div><!-- contents -->
diff --git a/docs/master/HllSketchImpl-internal_8hpp_source.html b/docs/master/HllSketchImpl-internal_8hpp_source.html
index 7e0a4ac..34cab54 100644
--- a/docs/master/HllSketchImpl-internal_8hpp_source.html
+++ b/docs/master/HllSketchImpl-internal_8hpp_source.html
@@ -112,126 +112,120 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>HllSketchImpl<A>::HllSketchImpl(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType,</div>
-<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> hll_mode mode, <span class="keywordtype">bool</span> startFullSize)</div>
+<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> hll_mode mode)</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> : lgConfigK_(lgConfigK),</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> tgtHllType_(tgtHllType),</div>
-<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> mode_(mode),</div>
-<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> startFullSize_(startFullSize)</div>
-<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>{</div>
-<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>}</div>
-<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
-<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>HllSketchImpl<A>::~HllSketchImpl() {</div>
-<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>}</div>
-<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
-<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> HllSketchImpl<A>::extractTgtHllType(uint8_t modeByte) {</div>
-<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">switch</span> ((modeByte >> 2) & 0x3) {</div>
-<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">case</span> 0:</div>
-<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">return</span> target_hll_type::HLL_4;</div>
-<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">case</span> 1:</div>
-<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> target_hll_type::HLL_6;</div>
-<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">case</span> 2:</div>
-<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> target_hll_type::HLL_8;</div>
-<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">default</span>:</div>
-<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid target HLL type"</span>);</div>
-<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> }</div>
-<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>}</div>
-<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
-<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>hll_mode HllSketchImpl<A>::extractCurMode(uint8_t modeByte) {</div>
-<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">switch</span> (modeByte & 0x3) {</div>
-<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">case</span> 0:</div>
-<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">return</span> hll_mode::LIST;</div>
-<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">case</span> 1:</div>
-<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> hll_mode::SET;</div>
-<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">case</span> 2:</div>
-<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> hll_mode::HLL;</div>
-<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">default</span>:</div>
-<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid current sketch mode"</span>);</div>
-<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
-<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span>}</div>
-<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
-<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>uint8_t HllSketchImpl<A>::makeFlagsByte(<span class="keywordtype">bool</span> compact)<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> uint8_t flags = 0;</div>
-<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> flags |= (isEmpty() ? hll_constants::EMPTY_FLAG_MASK : 0);</div>
-<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> flags |= (compact ? hll_constants::COMPACT_FLAG_MASK : 0);</div>
-<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> flags |= (isOutOfOrderFlag() ? hll_constants::OUT_OF_ORDER_FLAG_MASK : 0);</div>
-<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> flags |= (startFullSize_ ? hll_constants::FULL_SIZE_FLAG_MASK : 0);</div>
-<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> flags;</div>
-<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
-<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
-<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment">// lo2bits = curMode, next 2 bits = tgtHllType</span></div>
-<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="comment">// Dec Lo4Bits TgtHllType, CurMode</span></div>
-<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="comment">// 0 0000 HLL_4, LIST</span></div>
-<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="comment">// 1 0001 HLL_4, SET</span></div>
-<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="comment">// 2 0010 HLL_4, HLL</span></div>
-<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="comment">// 4 0100 HLL_6, LIST</span></div>
-<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="comment">// 5 0101 HLL_6, SET</span></div>
-<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="comment">// 6 0110 HLL_6, HLL</span></div>
-<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="comment">// 8 1000 HLL_8, LIST</span></div>
-<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="comment">// 9 1001 HLL_8, SET</span></div>
-<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="comment">// 10 1010 HLL_8, HLL</span></div>
-<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span>uint8_t HllSketchImpl<A>::makeModeByte()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> uint8_t <span class="keywordtype">byte</span> = 0;</div>
-<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
-<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">switch</span> (mode_) {</div>
-<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">case</span> LIST:</div>
-<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">byte</span> = 0;</div>
-<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">break</span>;</div>
-<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">case</span> SET:</div>
-<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordtype">byte</span> = 1;</div>
-<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">break</span>;</div>
-<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">case</span> HLL:</div>
-<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">byte</span> = 2;</div>
-<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">break</span>;</div>
-<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
-<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
-<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">switch</span> (tgtHllType_) {</div>
-<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>:</div>
-<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">byte</span> |= (0 << 2); <span class="comment">// for completeness</span></div>
-<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">break</span>;</div>
-<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>:</div>
-<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordtype">byte</span> |= (1 << 2);</div>
-<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">break</span>;</div>
-<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>:</div>
-<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordtype">byte</span> |= (2 << 2); </div>
-<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">break</span>;</div>
-<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div>
-<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
-<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">return</span> byte;</div>
-<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>}</div>
-<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
-<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>HllSketchImpl<A>* HllSketchImpl<A>::reset() {</div>
-<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> HllSketchImplFactory<A>::reset(<span class="keyword">this</span>, startFullSize_);</div>
-<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span>}</div>
-<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
-<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> HllSketchImpl<A>::getTgtHllType()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">return</span> tgtHllType_;</div>
-<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span>}</div>
-<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
-<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>uint8_t HllSketchImpl<A>::getLgConfigK()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">return</span> lgConfigK_;</div>
-<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>}</div>
-<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
-<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span>hll_mode HllSketchImpl<A>::getCurMode()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">return</span> mode_;</div>
-<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>}</div>
-<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
-<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="keywordtype">bool</span> HllSketchImpl<A>::isStartFullSize()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> startFullSize_;</div>
-<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span>}</div>
-<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
-<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span>}</div>
-<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
-<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="preprocessor">#endif </span><span class="comment">// _HLLSKETCHIMPL_INTERNAL_HPP_</span></div>
+<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> mode_(mode)</div>
+<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>{</div>
+<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>}</div>
+<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
+<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>HllSketchImpl<A>::~HllSketchImpl() {</div>
+<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>}</div>
+<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
+<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> HllSketchImpl<A>::extractTgtHllType(uint8_t modeByte) {</div>
+<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">switch</span> ((modeByte >> 2) & 0x3) {</div>
+<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">case</span> 0:</div>
+<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span> target_hll_type::HLL_4;</div>
+<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">case</span> 1:</div>
+<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> target_hll_type::HLL_6;</div>
+<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">case</span> 2:</div>
+<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">return</span> target_hll_type::HLL_8;</div>
+<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">default</span>:</div>
+<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid target HLL type"</span>);</div>
+<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> }</div>
+<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>}</div>
+<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
+<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>hll_mode HllSketchImpl<A>::extractCurMode(uint8_t modeByte) {</div>
+<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">switch</span> (modeByte & 0x3) {</div>
+<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">case</span> 0:</div>
+<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> hll_mode::LIST;</div>
+<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">case</span> 1:</div>
+<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> hll_mode::SET;</div>
+<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">case</span> 2:</div>
+<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">return</span> hll_mode::HLL;</div>
+<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">default</span>:</div>
+<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid current sketch mode"</span>);</div>
+<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
+<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span>}</div>
+<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
+<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>uint8_t HllSketchImpl<A>::makeFlagsByte(<span class="keywordtype">bool</span> compact)<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> uint8_t flags = 0;</div>
+<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> flags |= (isEmpty() ? hll_constants::EMPTY_FLAG_MASK : 0);</div>
+<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> flags |= (compact ? hll_constants::COMPACT_FLAG_MASK : 0);</div>
+<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> flags |= (isOutOfOrderFlag() ? hll_constants::OUT_OF_ORDER_FLAG_MASK : 0);</div>
+<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// bit 32 is reserved: see RESERVED_FLAG_MASK_32 in HllUtil.hpp</span></div>
+<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> flags;</div>
+<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>}</div>
+<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
+<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment">// lo2bits = curMode, next 2 bits = tgtHllType</span></div>
+<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment">// Dec Lo4Bits TgtHllType, CurMode</span></div>
+<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="comment">// 0 0000 HLL_4, LIST</span></div>
+<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="comment">// 1 0001 HLL_4, SET</span></div>
+<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="comment">// 2 0010 HLL_4, HLL</span></div>
+<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="comment">// 4 0100 HLL_6, LIST</span></div>
+<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="comment">// 5 0101 HLL_6, SET</span></div>
+<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="comment">// 6 0110 HLL_6, HLL</span></div>
+<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="comment">// 8 1000 HLL_8, LIST</span></div>
+<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="comment">// 9 1001 HLL_8, SET</span></div>
+<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="comment">// 10 1010 HLL_8, HLL</span></div>
+<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>uint8_t HllSketchImpl<A>::makeModeByte()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> uint8_t <span class="keywordtype">byte</span> = 0;</div>
+<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
+<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">switch</span> (mode_) {</div>
+<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">case</span> LIST:</div>
+<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">byte</span> = 0;</div>
+<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">break</span>;</div>
+<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">case</span> SET:</div>
+<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordtype">byte</span> = 1;</div>
+<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">break</span>;</div>
+<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">case</span> HLL:</div>
+<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">byte</span> = 2;</div>
+<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">break</span>;</div>
+<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> }</div>
+<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
+<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">switch</span> (tgtHllType_) {</div>
+<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>:</div>
+<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">byte</span> |= (0 << 2); <span class="comment">// for completeness</span></div>
+<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">break</span>;</div>
+<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>:</div>
+<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">byte</span> |= (1 << 2);</div>
+<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">break</span>;</div>
+<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>:</div>
+<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordtype">byte</span> |= (2 << 2); </div>
+<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">break</span>;</div>
+<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> }</div>
+<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
+<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">return</span> byte;</div>
+<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span>}</div>
+<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
+<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>HllSketchImpl<A>* HllSketchImpl<A>::reset(<span class="keywordtype">bool</span> full_size) {</div>
+<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">return</span> HllSketchImplFactory<A>::reset(<span class="keyword">this</span>, full_size);</div>
+<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span>}</div>
+<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
+<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> HllSketchImpl<A>::getTgtHllType()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">return</span> tgtHllType_;</div>
+<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span>}</div>
+<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
+<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>uint8_t HllSketchImpl<A>::getLgConfigK()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">return</span> lgConfigK_;</div>
+<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span>}</div>
+<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
+<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span>hll_mode HllSketchImpl<A>::getCurMode()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> mode_;</div>
+<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span>}</div>
+<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
+<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span>}</div>
+<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
+<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="preprocessor">#endif </span><span class="comment">// _HLLSKETCHIMPL_INTERNAL_HPP_</span></div>
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">datasketches::HLL_6</a></div><div class="ttdeci">@ HLL_6</div><div class="ttdoc">6 bits per entry (fixed size)</div><div class="ttdef"><b>Definition</b> hll.hpp:74</div></div>
diff --git a/docs/master/HllSketchImplFactory_8hpp_source.html b/docs/master/HllSketchImplFactory_8hpp_source.html
index 587aea8..ca7554d 100644
--- a/docs/master/HllSketchImplFactory_8hpp_source.html
+++ b/docs/master/HllSketchImplFactory_8hpp_source.html
@@ -124,120 +124,121 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">static</span> CouponHashSet<A>* promoteListToSet(<span class="keyword">const</span> CouponList<A>& list);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">static</span> HllArray<A>* promoteListOrSetToHll(<span class="keyword">const</span> CouponList<A>& list);</div>
-<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">static</span> HllArray<A>* newHll(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator);</div>
+<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">static</span> HllArray<A>* newHll(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keyword">const</span> A& allocator);</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// resets the input impl, deleting the input pointer and returning a new pointer</span></div>
-<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">static</span> HllSketchImpl<A>* reset(HllSketchImpl<A>* impl, <span class="keywordtype">bool</span> startFullSize);</div>
-<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
-<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> Hll4Array<A>* convertToHll4(<span class="keyword">const</span> HllArray<A>& srcHllArr);</div>
-<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">static</span> Hll6Array<A>* convertToHll6(<span class="keyword">const</span> HllArray<A>& srcHllArr);</div>
-<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">static</span> Hll8Array<A>* convertToHll8(<span class="keyword">const</span> HllArray<A>& srcHllArr);</div>
-<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>};</div>
-<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
-<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>CouponHashSet<A>* HllSketchImplFactory<A>::promoteListToSet(<span class="keyword">const</span> CouponList<A>& list) {</div>
-<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">using </span>ChsAlloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<CouponHashSet<A>>;</div>
-<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> CouponHashSet<A>* chSet = <span class="keyword">new</span> (ChsAlloc(list.getAllocator()).allocate(1)) CouponHashSet<A>(list.getLgConfigK(), list.getTgtHllType(), list.getAllocator());</div>
-<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> coupon: list) {</div>
-<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> chSet->couponUpdate(coupon);</div>
-<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
-<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> chSet;</div>
-<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span>}</div>
-<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
-<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>HllArray<A>* HllSketchImplFactory<A>::promoteListOrSetToHll(<span class="keyword">const</span> CouponList<A>& src) {</div>
-<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> HllArray<A>* tgtHllArr = HllSketchImplFactory<A>::newHll(src.getLgConfigK(), src.getTgtHllType(), <span class="keyword">false</span>, src.getAllocator());</div>
-<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> tgtHllArr->putKxQ0(1 << src.getLgConfigK());</div>
-<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> coupon: src) {</div>
-<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> tgtHllArr->couponUpdate(coupon);</div>
-<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
-<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> tgtHllArr->putHipAccum(src.getEstimate());</div>
-<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> tgtHllArr->putOutOfOrderFlag(<span class="keyword">false</span>);</div>
-<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">return</span> tgtHllArr;</div>
-<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>}</div>
-<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
-<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>HllSketchImpl<A>* HllSketchImplFactory<A>::deserialize(std::istream& is, <span class="keyword">const</span> A& allocator) {</div>
-<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// we'll hand off the sketch based on PreInts so we don't need</span></div>
-<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// to move the stream pointer back and forth -- perhaps somewhat fragile?</span></div>
-<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">const</span> uint8_t preInts = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(is.peek());</div>
-<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">if</span> (preInts == hll_constants::HLL_PREINTS) {</div>
-<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> HllArray<A>::newHll(is, allocator);</div>
-<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::HASH_SET_PREINTS) {</div>
-<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> CouponHashSet<A>::newSet(is, allocator);</div>
-<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::LIST_PREINTS) {</div>
-<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">return</span> CouponList<A>::newList(is, allocator);</div>
-<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Attempt to deserialize unknown object type"</span>);</div>
-<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
-<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>}</div>
-<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
-<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>HllSketchImpl<A>* HllSketchImplFactory<A>::deserialize(<span class="keyword">const</span> <span class="keywordtype">void</span>* bytes, <span class="keywordtype">size_t</span> len, <span class="keyword">const</span> A& allocator) {</div>
-<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// read current mode directly</span></div>
-<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">const</span> uint8_t preInts = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint8_t*<span class="keyword">></span>(bytes)[0];</div>
-<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (preInts == hll_constants::HLL_PREINTS) {</div>
-<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">return</span> HllArray<A>::newHll(bytes, len, allocator);</div>
-<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::HASH_SET_PREINTS) {</div>
-<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> CouponHashSet<A>::newSet(bytes, len, allocator);</div>
-<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::LIST_PREINTS) {</div>
-<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">return</span> CouponList<A>::newList(bytes, len, allocator);</div>
-<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Attempt to deserialize unknown object type"</span>);</div>
-<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> }</div>
-<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span>}</div>
-<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
-<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span>HllArray<A>* HllSketchImplFactory<A>::newHll(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator) {</div>
-<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">switch</span> (tgtHllType) {</div>
-<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>:</div>
-<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">using </span>Hll8Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>>;</div>
-<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll8Alloc(allocator).allocate(1)) Hll8Array<A>(lgConfigK, startFullSize, allocator);</div>
-<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>:</div>
-<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">using </span>Hll6Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll6Array<A>>;</div>
-<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll6Alloc(allocator).allocate(1)) Hll6Array<A>(lgConfigK, startFullSize, allocator);</div>
-<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>:</div>
-<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">using </span>Hll4Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll4Array<A>>;</div>
-<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll4Alloc(allocator).allocate(1)) Hll4Array<A>(lgConfigK, startFullSize, allocator);</div>
-<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div>
-<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"Invalid target_hll_type"</span>);</div>
-<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span>}</div>
-<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
-<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>HllSketchImpl<A>* HllSketchImplFactory<A>::reset(HllSketchImpl<A>* impl, <span class="keywordtype">bool</span> startFullSize) {</div>
-<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">if</span> (startFullSize) {</div>
-<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> HllArray<A>* hll = newHll(impl->getLgConfigK(), impl->getTgtHllType(), startFullSize, impl->getAllocator());</div>
-<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> impl->get_deleter()(impl);</div>
-<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> hll;</div>
-<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">using </span>ClAlloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<CouponList<A>>;</div>
-<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> CouponList<A>* cl = <span class="keyword">new</span> (ClAlloc(impl->getAllocator()).allocate(1)) CouponList<A>(impl->getLgConfigK(), impl->getTgtHllType(), hll_mode::LIST, impl->getAllocator());</div>
-<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> impl->get_deleter()(impl);</div>
-<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">return</span> cl;</div>
-<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> }</div>
-<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>}</div>
-<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
-<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>Hll4Array<A>* HllSketchImplFactory<A>::convertToHll4(<span class="keyword">const</span> HllArray<A>& srcHllArr) {</div>
-<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">using </span>Hll4Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll4Array<A>>;</div>
-<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll4Alloc(srcHllArr.getAllocator()).allocate(1)) Hll4Array<A>(srcHllArr);</div>
-<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span>}</div>
-<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
-<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>Hll6Array<A>* HllSketchImplFactory<A>::convertToHll6(<span class="keyword">const</span> HllArray<A>& srcHllArr) {</div>
-<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">using </span>Hll6Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll6Array<A>>;</div>
-<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll6Alloc(srcHllArr.getAllocator()).allocate(1)) Hll6Array<A>(srcHllArr);</div>
-<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span>}</div>
-<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
-<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span>Hll8Array<A>* HllSketchImplFactory<A>::convertToHll8(<span class="keyword">const</span> HllArray<A>& srcHllArr) {</div>
-<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keyword">using </span>Hll8Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>>;</div>
-<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll8Alloc(srcHllArr.getAllocator()).allocate(1)) Hll8Array<A>(srcHllArr);</div>
-<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span>}</div>
-<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
-<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span>}</div>
-<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
-<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="preprocessor">#endif </span><span class="comment">/* _HLLSKETCHIMPLFACTORY_HPP_ */</span><span class="preprocessor"></span></div>
+<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// full_size selects the state to reset to: an empty HLL array, or LIST (coupon) mode</span></div>
+<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">static</span> HllSketchImpl<A>* reset(HllSketchImpl<A>* impl, <span class="keywordtype">bool</span> full_size);</div>
+<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
+<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">static</span> Hll4Array<A>* convertToHll4(<span class="keyword">const</span> HllArray<A>& srcHllArr);</div>
+<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">static</span> Hll6Array<A>* convertToHll6(<span class="keyword">const</span> HllArray<A>& srcHllArr);</div>
+<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">static</span> Hll8Array<A>* convertToHll8(<span class="keyword">const</span> HllArray<A>& srcHllArr);</div>
+<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span>};</div>
+<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
+<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>CouponHashSet<A>* HllSketchImplFactory<A>::promoteListToSet(<span class="keyword">const</span> CouponList<A>& list) {</div>
+<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">using </span>ChsAlloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<CouponHashSet<A>>;</div>
+<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> CouponHashSet<A>* chSet = <span class="keyword">new</span> (ChsAlloc(list.getAllocator()).allocate(1)) CouponHashSet<A>(list.getLgConfigK(), list.getTgtHllType(), list.getAllocator());</div>
+<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> coupon: list) {</div>
+<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> chSet->couponUpdate(coupon);</div>
+<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
+<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">return</span> chSet;</div>
+<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>}</div>
+<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
+<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span>HllArray<A>* HllSketchImplFactory<A>::promoteListOrSetToHll(<span class="keyword">const</span> CouponList<A>& src) {</div>
+<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> HllArray<A>* tgtHllArr = HllSketchImplFactory<A>::newHll(src.getLgConfigK(), src.getTgtHllType(), src.getAllocator());</div>
+<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> tgtHllArr->putKxQ0(1 << src.getLgConfigK());</div>
+<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> coupon: src) {</div>
+<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> tgtHllArr->couponUpdate(coupon);</div>
+<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
+<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> tgtHllArr->putHipAccum(src.getEstimate());</div>
+<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> tgtHllArr->putOutOfOrderFlag(<span class="keyword">false</span>);</div>
+<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> tgtHllArr;</div>
+<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>}</div>
+<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
+<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span>HllSketchImpl<A>* HllSketchImplFactory<A>::deserialize(std::istream& is, <span class="keyword">const</span> A& allocator) {</div>
+<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// we'll hand off the sketch based on PreInts so we don't need</span></div>
+<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// to move the stream pointer back and forth -- perhaps somewhat fragile?</span></div>
+<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">const</span> uint8_t preInts = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(is.peek());</div>
+<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">if</span> (preInts == hll_constants::HLL_PREINTS) {</div>
+<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">return</span> HllArray<A>::newHll(is, allocator);</div>
+<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::HASH_SET_PREINTS) {</div>
+<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> CouponHashSet<A>::newSet(is, allocator);</div>
+<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::LIST_PREINTS) {</div>
+<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">return</span> CouponList<A>::newList(is, allocator);</div>
+<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Attempt to deserialize unknown object type"</span>);</div>
+<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> }</div>
+<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span>}</div>
+<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
+<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span>HllSketchImpl<A>* HllSketchImplFactory<A>::deserialize(<span class="keyword">const</span> <span class="keywordtype">void</span>* bytes, <span class="keywordtype">size_t</span> len, <span class="keyword">const</span> A& allocator) {</div>
+<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// read current mode directly</span></div>
+<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">const</span> uint8_t preInts = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint8_t*<span class="keyword">></span>(bytes)[0];</div>
+<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">if</span> (preInts == hll_constants::HLL_PREINTS) {</div>
+<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> HllArray<A>::newHll(bytes, len, allocator);</div>
+<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::HASH_SET_PREINTS) {</div>
+<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">return</span> CouponHashSet<A>::newSet(bytes, len, allocator);</div>
+<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preInts == hll_constants::LIST_PREINTS) {</div>
+<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> CouponList<A>::newList(bytes, len, allocator);</div>
+<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Attempt to deserialize unknown object type"</span>);</div>
+<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
+<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div>
+<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
+<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span>HllArray<A>* HllSketchImplFactory<A>::newHll(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keyword">const</span> A& allocator) {</div>
+<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">switch</span> (tgtHllType) {</div>
+<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>:</div>
+<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">using </span>Hll8Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>>;</div>
+<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll8Alloc(allocator).allocate(1)) Hll8Array<A>(lgConfigK, allocator);</div>
+<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>:</div>
+<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">using </span>Hll6Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll6Array<A>>;</div>
+<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll6Alloc(allocator).allocate(1)) Hll6Array<A>(lgConfigK, allocator);</div>
+<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>:</div>
+<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">using </span>Hll4Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll4Array<A>>;</div>
+<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll4Alloc(allocator).allocate(1)) Hll4Array<A>(lgConfigK, allocator);</div>
+<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
+<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"Invalid target_hll_type"</span>);</div>
+<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>}</div>
+<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
+<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>HllSketchImpl<A>* HllSketchImplFactory<A>::reset(HllSketchImpl<A>* impl, <span class="keywordtype">bool</span> full_size) {</div>
+<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (full_size) {</div>
+<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> HllArray<A>* hll = newHll(impl->getLgConfigK(), impl->getTgtHllType(), impl->getAllocator());</div>
+<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> impl->get_deleter()(impl);</div>
+<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">return</span> hll;</div>
+<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">using </span>ClAlloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<CouponList<A>>;</div>
+<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> CouponList<A>* cl = <span class="keyword">new</span> (ClAlloc(impl->getAllocator()).allocate(1)) CouponList<A>(impl->getLgConfigK(), impl->getTgtHllType(), hll_mode::LIST, impl->getAllocator());</div>
+<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> impl->get_deleter()(impl);</div>
+<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">return</span> cl;</div>
+<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> }</div>
+<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span>}</div>
+<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
+<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span>Hll4Array<A>* HllSketchImplFactory<A>::convertToHll4(<span class="keyword">const</span> HllArray<A>& srcHllArr) {</div>
+<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">using </span>Hll4Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll4Array<A>>;</div>
+<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll4Alloc(srcHllArr.getAllocator()).allocate(1)) Hll4Array<A>(srcHllArr);</div>
+<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>}</div>
+<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
+<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>Hll6Array<A>* HllSketchImplFactory<A>::convertToHll6(<span class="keyword">const</span> HllArray<A>& srcHllArr) {</div>
+<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">using </span>Hll6Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll6Array<A>>;</div>
+<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll6Alloc(srcHllArr.getAllocator()).allocate(1)) Hll6Array<A>(srcHllArr);</div>
+<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
+<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
+<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span>Hll8Array<A>* HllSketchImplFactory<A>::convertToHll8(<span class="keyword">const</span> HllArray<A>& srcHllArr) {</div>
+<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">using </span>Hll8Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>>;</div>
+<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (Hll8Alloc(srcHllArr.getAllocator()).allocate(1)) Hll8Array<A>(srcHllArr);</div>
+<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span>}</div>
+<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
+<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span>}</div>
+<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
+<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="preprocessor">#endif </span><span class="comment">/* _HLLSKETCHIMPLFACTORY_HPP_ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">datasketches::HLL_6</a></div><div class="ttdeci">@ HLL_6</div><div class="ttdoc">6 bits per entry (fixed size)</div><div class="ttdef"><b>Definition</b> hll.hpp:74</div></div>
diff --git a/docs/master/HllSketchImpl_8hpp_source.html b/docs/master/HllSketchImpl_8hpp_source.html
index 32c23fa..2d3b2d6 100644
--- a/docs/master/HllSketchImpl_8hpp_source.html
+++ b/docs/master/HllSketchImpl_8hpp_source.html
@@ -116,7 +116,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">using </span>vector_bytes = std::vector<uint8_t, typename std::allocator_traits<A>::template rebind_alloc<uint8_t>>;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
-<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, hll_mode mode, <span class="keywordtype">bool</span> startFullSize);</div>
+<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, hll_mode mode);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">virtual</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">~HllSketchImpl</a>();</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> serialize(std::ostream& os, <span class="keywordtype">bool</span> compact) <span class="keyword">const</span> = 0;</div>
@@ -124,7 +124,7 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">virtual</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>* copy() <span class="keyword">const</span> = 0;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">virtual</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>* copyAs(<a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType) <span class="keyword">const</span> = 0;</div>
-<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* reset();</div>
+<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* reset(<span class="keywordtype">bool</span> full_size);</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">virtual</span> std::function<void(<a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>*)> get_deleter() <span class="keyword">const</span> = 0;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
@@ -153,24 +153,22 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isOutOfOrderFlag() <span class="keyword">const</span> = 0;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> putOutOfOrderFlag(<span class="keywordtype">bool</span> oooFlag) = 0;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">virtual</span> A getAllocator() <span class="keyword">const</span> = 0;</div>
-<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordtype">bool</span> isStartFullSize() <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
-<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">protected</span>:</div>
-<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">static</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> extractTgtHllType(uint8_t modeByte);</div>
-<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">static</span> hll_mode extractCurMode(uint8_t modeByte);</div>
-<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> uint8_t makeFlagsByte(<span class="keywordtype">bool</span> compact) <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> uint8_t makeModeByte() <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
-<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">const</span> uint8_t lgConfigK_;</div>
-<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType_;</div>
-<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">const</span> hll_mode mode_;</div>
-<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> startFullSize_;</div>
-<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>};</div>
+<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
+<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">protected</span>:</div>
+<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">static</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> extractTgtHllType(uint8_t modeByte);</div>
+<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">static</span> hll_mode extractCurMode(uint8_t modeByte);</div>
+<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> uint8_t makeFlagsByte(<span class="keywordtype">bool</span> compact) <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> uint8_t makeModeByte() <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
+<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">const</span> uint8_t lgConfigK_;</div>
+<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType_;</div>
+<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">const</span> hll_mode mode_;</div>
+<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>};</div>
</div>
+<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
+<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>}</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
-<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>}</div>
-<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
-<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="preprocessor">#endif </span><span class="comment">// _HLLSKETCHIMPL_HPP_</span></div>
+<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="preprocessor">#endif </span><span class="comment">// _HLLSKETCHIMPL_HPP_</span></div>
<div class="ttc" id="aclassdatasketches_1_1HllSketchImpl_html"><div class="ttname"><a href="classdatasketches_1_1HllSketchImpl.html">datasketches::HllSketchImpl</a></div><div class="ttdoc">This is a high performance implementation of Phillipe Flajolet's HLL sketch but with significantly im...</div><div class="ttdef"><b>Definition</b> HllSketchImpl.hpp:31</div></div>
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div>
diff --git a/docs/master/HllUnion-internal_8hpp_source.html b/docs/master/HllUnion-internal_8hpp_source.html
index ce0b531..2ed5a7f 100644
--- a/docs/master/HllUnion-internal_8hpp_source.html
+++ b/docs/master/HllUnion-internal_8hpp_source.html
@@ -297,130 +297,132 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
<div class="foldopen" id="foldopen00173" data-start="{" data-end="}">
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"><a class="line" href="classdatasketches_1_1hll__union__alloc.html#ad20897c5c8bd47f5d4005989bead0e55"> 173</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#ad20897c5c8bd47f5d4005989bead0e55">hll_union_alloc<A>::reset</a>() {</div>
-<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> gadget_.reset();</div>
-<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span>}</div>
-</div>
-<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
-<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="foldopen" id="foldopen00178" data-start="{" data-end="}">
-<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"><a class="line" href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362"> 178</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362">hll_union_alloc<A>::is_empty</a>()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">return</span> gadget_.is_empty();</div>
-<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span>}</div>
-</div>
-<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
-<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span><span class="keywordtype">bool</span> <a class="code hl_class" href="classdatasketches_1_1hll__union__alloc.html">hll_union_alloc<A>::is_out_of_order_flag</a>()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordflow">return</span> gadget_.is_out_of_order_flag();</div>
-<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span>}</div>
-<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
-<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span>hll_mode hll_union_alloc<A>::get_current_mode()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">return</span> gadget_.get_current_mode();</div>
-<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div>
-<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
-<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span><span class="keywordtype">bool</span> hll_union_alloc<A>::is_estimation_mode()<span class="keyword"> const </span>{</div>
-<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> gadget_.is_estimation_mode();</div>
-<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span>}</div>
-<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
-<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="foldopen" id="foldopen00198" data-start="{" data-end="}">
-<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093"> 198</a></span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093">hll_union_alloc<A>::get_target_type</a>()<span class="keyword"> c [...]
-<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">target_hll_type::HLL_8</a>;</div>
-<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>}</div>
-</div>
-<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
-<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="foldopen" id="foldopen00203" data-start="{" data-end="}">
-<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"><a class="line" href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db"> 203</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db">hll_union_alloc<A>::get_rel_err</a>(<span class="keywordtype">bool</span> upper_bound, <span class="keywordtype">bool</span> unioned,</div>
-<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> uint8_t lg_config_k, uint8_t num_std_dev) {</div>
-<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> HllUtil<A>::getRelErr(upper_bound, unioned, lg_config_k, num_std_dev);</div>
-<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span>}</div>
-</div>
-<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
-<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span><a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* <a class="code hl_class" href="classdatasketches_1_1hll__union__alloc.html">hll_union_alloc<A>::copy_or_downsample</a>(<span class="keyword">const</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* src_impl, uint8_t tgt_lg_k) {</div>
-<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">if</span> (src_impl->getCurMode() != HLL) {</div>
-<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"Attempt to downsample non-HLL sketch"</span>);</div>
-<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> }</div>
-<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">const</span> HllArray<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>HllArray<A>*<span class="keyword">></span>(src_impl);</div>
-<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">const</span> <span class="keywordtype">int</span> src_lg_k = src->getLgConfigK();</div>
-<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (src_lg_k <= tgt_lg_k) {</div>
-<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">return</span> src->copyAs(<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>);</div>
-<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</div>
-<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>> hll8Alloc;</div>
-<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> Hll8Array<A>* tgtHllArr = <span class="keyword">new</span> (hll8Alloc(src->getAllocator()).allocate(1)) Hll8Array<A>(tgt_lg_k, <span class="keyword">false</span>, src->getAllocator());</div>
-<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> tgtHllArr->mergeHll(*src);</div>
-<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">//both of these are required for isomorphism</span></div>
-<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> tgtHllArr->putHipAccum(src->getHipAccum());</div>
-<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> tgtHllArr->putOutOfOrderFlag(src->isOutOfOrderFlag());</div>
-<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">return</span> tgtHllArr;</div>
-<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span>}</div>
-<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
-<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="keyword">inline</span> HllSketchImpl<A>* hll_union_alloc<A>::leak_free_coupon_update(HllSketchImpl<A>* impl, uint32_t coupon) {</div>
-<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> HllSketchImpl<A>* result = impl->couponUpdate(coupon);</div>
-<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">if</span> (result != impl) {</div>
-<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> impl->get_deleter()(impl);</div>
-<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div>
-<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">return</span> result;</div>
-<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span>}</div>
-<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
-<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span><span class="keywordtype">void</span> hll_union_alloc<A>::union_impl(<span class="keyword">const</span> hll_sketch_alloc<A>& sketch, uint8_t lg_max_k) {</div>
-<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">const</span> HllSketchImpl<A>* src_impl = sketch.sketch_impl; <span class="comment">//default</span></div>
-<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> HllSketchImpl<A>* dst_impl = gadget_.sketch_impl; <span class="comment">//default</span></div>
-<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">if</span> (src_impl->getCurMode() == LIST || src_impl->getCurMode() == SET) {</div>
-<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keywordflow">if</span> (dst_impl->isEmpty() && src_impl->getLgConfigK() == dst_impl->getLgConfigK()) {</div>
-<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> dst_impl = src_impl->copyAs(<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>);</div>
-<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
-<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keyword">const</span> CouponList<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>CouponList<A>*<span class="keyword">></span>(src_impl);</div>
-<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> coupon: *src) {</div>
-<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> dst_impl = leak_free_coupon_update(dst_impl, coupon); <span class="comment">//assignment required</span></div>
-<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> }</div>
-<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> }</div>
-<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!dst_impl->isEmpty()) { <span class="comment">// src is HLL</span></div>
-<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keywordflow">if</span> (dst_impl->getCurMode() == LIST || dst_impl->getCurMode() == SET) {</div>
-<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="comment">// swap so that src is LIST or SET, tgt is HLL</span></div>
-<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// use lg_max_k because LIST has effective K of 2^26</span></div>
-<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">const</span> CouponList<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>CouponList<A>*<span class="keyword">></span>(dst_impl);</div>
-<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> dst_impl = copy_or_downsample(src_impl, lg_max_k);</div>
-<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keyword">static_cast<</span>Hll8Array<A>*<span class="keyword">></span>(dst_impl)->mergeList(*src);</div>
-<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
-<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> } <span class="keywordflow">else</span> { <span class="comment">// gadget is HLL</span></div>
-<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (src_impl->getLgConfigK() < dst_impl->getLgConfigK()) {</div>
-<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> dst_impl = copy_or_downsample(dst_impl, sketch.get_lg_config_k());</div>
-<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
-<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> }</div>
-<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keyword">const</span> HllArray<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>HllArray<A>*<span class="keyword">></span>(src_impl);</div>
-<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keyword">static_cast<</span>Hll8Array<A>*<span class="keyword">></span>(dst_impl)->mergeHll(*src);</div>
-<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> dst_impl->putOutOfOrderFlag(<span class="keyword">true</span>);</div>
-<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keyword">static_cast<</span>Hll8Array<A>*<span class="keyword">></span>(dst_impl)->putHipAccum(0);</div>
-<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> }</div>
-<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> } <span class="keywordflow">else</span> { <span class="comment">// src is HLL, gadget is empty</span></div>
-<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> dst_impl = copy_or_downsample(src_impl, lg_max_k);</div>
-<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
-<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> }</div>
-<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> gadget_.sketch_impl = dst_impl; <span class="comment">// gadget replaced</span></div>
-<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span>}</div>
-<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
+<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// always coupon collection mode: the gadget is an internal detail and must not</span></div>
+<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// inherit a full-size state from whatever sketches happen to have been unioned in</span></div>
+<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> gadget_.reset(<span class="keyword">false</span>);</div>
+<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span>}</div>
+</div>
+<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
+<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="foldopen" id="foldopen00180" data-start="{" data-end="}">
+<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"><a class="line" href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362"> 180</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362">hll_union_alloc<A>::is_empty</a>()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">return</span> gadget_.is_empty();</div>
+<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span>}</div>
+</div>
+<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
+<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><span class="keywordtype">bool</span> <a class="code hl_class" href="classdatasketches_1_1hll__union__alloc.html">hll_union_alloc<A>::is_out_of_order_flag</a>()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">return</span> gadget_.is_out_of_order_flag();</div>
+<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span>}</div>
+<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
+<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>hll_mode hll_union_alloc<A>::get_current_mode()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">return</span> gadget_.get_current_mode();</div>
+<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span>}</div>
+<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
+<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="keywordtype">bool</span> hll_union_alloc<A>::is_estimation_mode()<span class="keyword"> const </span>{</div>
+<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">return</span> gadget_.is_estimation_mode();</div>
+<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span>}</div>
+<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
+<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="foldopen" id="foldopen00200" data-start="{" data-end="}">
+<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"><a class="line" href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093"> 200</a></span><a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093">hll_union_alloc<A>::get_target_type</a>()<span class="keyword"> c [...]
+<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">target_hll_type::HLL_8</a>;</div>
+<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span>}</div>
+</div>
+<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
+<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="foldopen" id="foldopen00205" data-start="{" data-end="}">
+<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"><a class="line" href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db"> 205</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db">hll_union_alloc<A>::get_rel_err</a>(<span class="keywordtype">bool</span> upper_bound, <span class="keywordtype">bool</span> unioned,</div>
+<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> uint8_t lg_config_k, uint8_t num_std_dev) {</div>
+<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">return</span> HllUtil<A>::getRelErr(upper_bound, unioned, lg_config_k, num_std_dev);</div>
+<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span>}</div>
+</div>
+<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
+<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span><a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* <a class="code hl_class" href="classdatasketches_1_1hll__union__alloc.html">hll_union_alloc<A>::copy_or_downsample</a>(<span class="keyword">const</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* src_impl, uint8_t tgt_lg_k) {</div>
+<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">if</span> (src_impl->getCurMode() != HLL) {</div>
+<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"Attempt to downsample non-HLL sketch"</span>);</div>
+<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> }</div>
+<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">const</span> HllArray<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>HllArray<A>*<span class="keyword">></span>(src_impl);</div>
+<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">const</span> <span class="keywordtype">int</span> src_lg_k = src->getLgConfigK();</div>
+<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">if</span> (src_lg_k <= tgt_lg_k) {</div>
+<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">return</span> src->copyAs(<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>);</div>
+<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</div>
+<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>> hll8Alloc;</div>
+<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> Hll8Array<A>* tgtHllArr = <span class="keyword">new</span> (hll8Alloc(src->getAllocator()).allocate(1)) Hll8Array<A>(tgt_lg_k, src->getAllocator());</div>
+<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> tgtHllArr->mergeHll(*src);</div>
+<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="comment">//both of these are required for isomorphism</span></div>
+<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> tgtHllArr->putHipAccum(src->getHipAccum());</div>
+<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> tgtHllArr->putOutOfOrderFlag(src->isOutOfOrderFlag());</div>
+<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">return</span> tgtHllArr;</div>
+<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>}</div>
+<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> </div>
+<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="keyword">inline</span> HllSketchImpl<A>* hll_union_alloc<A>::leak_free_coupon_update(HllSketchImpl<A>* impl, uint32_t coupon) {</div>
+<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> HllSketchImpl<A>* result = impl->couponUpdate(coupon);</div>
+<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordflow">if</span> (result != impl) {</div>
+<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> impl->get_deleter()(impl);</div>
+<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> }</div>
+<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">return</span> result;</div>
+<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span>}</div>
+<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
+<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="keywordtype">void</span> hll_union_alloc<A>::union_impl(<span class="keyword">const</span> hll_sketch_alloc<A>& sketch, uint8_t lg_max_k) {</div>
+<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">const</span> HllSketchImpl<A>* src_impl = sketch.sketch_impl; <span class="comment">//default</span></div>
+<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> HllSketchImpl<A>* dst_impl = gadget_.sketch_impl; <span class="comment">//default</span></div>
+<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">if</span> (src_impl->getCurMode() == LIST || src_impl->getCurMode() == SET) {</div>
+<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">if</span> (dst_impl->isEmpty() && src_impl->getLgConfigK() == dst_impl->getLgConfigK()) {</div>
+<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> dst_impl = src_impl->copyAs(<a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>);</div>
+<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
+<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">const</span> CouponList<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>CouponList<A>*<span class="keyword">></span>(src_impl);</div>
+<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> coupon: *src) {</div>
+<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> dst_impl = leak_free_coupon_update(dst_impl, coupon); <span class="comment">//assignment required</span></div>
+<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> }</div>
+<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> }</div>
+<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!dst_impl->isEmpty()) { <span class="comment">// src is HLL</span></div>
+<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">if</span> (dst_impl->getCurMode() == LIST || dst_impl->getCurMode() == SET) {</div>
+<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// swap so that src is LIST or SET, tgt is HLL</span></div>
+<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="comment">// use lg_max_k because LIST has effective K of 2^26</span></div>
+<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keyword">const</span> CouponList<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>CouponList<A>*<span class="keyword">></span>(dst_impl);</div>
+<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> dst_impl = copy_or_downsample(src_impl, lg_max_k);</div>
+<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="keyword">static_cast<</span>Hll8Array<A>*<span class="keyword">></span>(dst_impl)->mergeList(*src);</div>
+<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
+<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> } <span class="keywordflow">else</span> { <span class="comment">// gadget is HLL</span></div>
+<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">if</span> (src_impl->getLgConfigK() < dst_impl->getLgConfigK()) {</div>
+<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> dst_impl = copy_or_downsample(dst_impl, sketch.get_lg_config_k());</div>
+<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
+<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> }</div>
+<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">const</span> HllArray<A>* src = <span class="keyword">static_cast<</span><span class="keyword">const </span>HllArray<A>*<span class="keyword">></span>(src_impl);</div>
+<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keyword">static_cast<</span>Hll8Array<A>*<span class="keyword">></span>(dst_impl)->mergeHll(*src);</div>
+<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> dst_impl->putOutOfOrderFlag(<span class="keyword">true</span>);</div>
+<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keyword">static_cast<</span>Hll8Array<A>*<span class="keyword">></span>(dst_impl)->putHipAccum(0);</div>
+<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> }</div>
+<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> } <span class="keywordflow">else</span> { <span class="comment">// src is HLL, gadget is empty</span></div>
+<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> dst_impl = copy_or_downsample(src_impl, lg_max_k);</div>
+<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> gadget_.sketch_impl->get_deleter()(gadget_.sketch_impl); <span class="comment">// gadget to be replaced</span></div>
+<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
+<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> gadget_.sketch_impl = dst_impl; <span class="comment">// gadget replaced</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span>}</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
-<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span><span class="preprocessor">#endif </span><span class="comment">// _HLLUNION_INTERNAL_HPP_</span></div>
+<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span>}</div>
+<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
+<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span><span class="preprocessor">#endif </span><span class="comment">// _HLLUNION_INTERNAL_HPP_</span></div>
<div class="ttc" id="aclassdatasketches_1_1HllSketchImpl_html"><div class="ttname"><a href="classdatasketches_1_1HllSketchImpl.html">datasketches::HllSketchImpl</a></div><div class="ttdoc">This is a high performance implementation of Phillipe Flajolet's HLL sketch but with significantly im...</div><div class="ttdef"><b>Definition</b> HllSketchImpl.hpp:31</div></div>
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html">datasketches::hll_union_alloc</a></div><div class="ttdoc">This performs union operations for HLL sketches.</div><div class="ttdef"><b>Definition</b> hll.hpp:446</div></div>
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a0387c920d914fe59fd3c4c53a9a99093"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093">datasketches::hll_union_alloc::get_target_type</a></div><div class="ttdeci">target_hll_type get_target_type() const</div><div class="ttdoc">Returns the union's target HLL mode (from target_hll_type).</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:198</div></div>
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html">datasketches::hll_union_alloc</a></div><div class="ttdoc">This performs union operations for HLL sketches.</div><div class="ttdef"><b>Definition</b> hll.hpp:453</div></div>
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a0387c920d914fe59fd3c4c53a9a99093"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093">datasketches::hll_union_alloc::get_target_type</a></div><div class="ttdeci">target_hll_type get_target_type() const</div><div class="ttdoc">Returns the union's target HLL mode (from target_hll_type).</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:200</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a1d6c3cd1e88796786ea124a7aed3800d"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a1d6c3cd1e88796786ea124a7aed3800d">datasketches::hll_union_alloc::get_composite_estimate</a></div><div class="ttdeci">double get_composite_estimate() const</div><div class="ttdoc">This is less accurate than the get_estimate() method and is automatically used when the union has gon...</div><div class="ttdef"><b>Defini [...]
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a2afb71f2ef2d82290be4c8eafc08f2a2"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a2afb71f2ef2d82290be4c8eafc08f2a2">datasketches::hll_union_alloc::get_estimate</a></div><div class="ttdeci">double get_estimate() const</div><div class="ttdoc">Returns the current cardinality estimate.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:136</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a3af0c80a1b31f0e5dd32d140943bf065"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a3af0c80a1b31f0e5dd32d140943bf065">datasketches::hll_union_alloc::update</a></div><div class="ttdeci">void update(const hll_sketch_alloc< A > &sketch)</div><div class="ttdoc">Update this union operator with the given sketch.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:49</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a505bdafe096c4fc8adef4f8438b2da25"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a505bdafe096c4fc8adef4f8438b2da25">datasketches::hll_union_alloc::get_result</a></div><div class="ttdeci">hll_sketch_alloc< A > get_result(target_hll_type tgt_type=HLL_4) const</div><div class="ttdoc">Returns the result of this union operator with the specified target_hll_type.</div><div class="ttdef"><b>Defini [...]
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a5a2b7a58dc85678d08752945ff655362"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362">datasketches::hll_union_alloc::is_empty</a></div><div class="ttdeci">bool is_empty() const</div><div class="ttdoc">Indicates if the union is currently empty.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:178</div></div>
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a5a2b7a58dc85678d08752945ff655362"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362">datasketches::hll_union_alloc::is_empty</a></div><div class="ttdeci">bool is_empty() const</div><div class="ttdoc">Indicates if the union is currently empty.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:180</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_aacaad8ccad500578a2cae9bef58ad436"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#aacaad8ccad500578a2cae9bef58ad436">datasketches::hll_union_alloc::get_lg_config_k</a></div><div class="ttdeci">uint8_t get_lg_config_k() const</div><div class="ttdoc">Returns union's configured lg_k value.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:168</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_ab6cbf0e7b9ad7dc653d8cb7bc02e8ee4"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#ab6cbf0e7b9ad7dc653d8cb7bc02e8ee4">datasketches::hll_union_alloc::get_lower_bound</a></div><div class="ttdeci">double get_lower_bound(uint8_t num_std_dev) const</div><div class="ttdoc">Returns the approximate lower error bound given the specified number of standard deviations.</div><div class="ttdef"><b>Definition</b [...]
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_abdb81912e4fcd2547e27c0165affbb99"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#abdb81912e4fcd2547e27c0165affbb99">datasketches::hll_union_alloc::hll_union_alloc</a></div><div class="ttdeci">hll_union_alloc(uint8_t lg_max_k, const A &allocator=A())</div><div class="ttdoc">Construct an hll_union operator with the given maximum log2 of k.</div><div class="ttdef"><b>Definition</b> HllUnion-inte [...]
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_ad20897c5c8bd47f5d4005989bead0e55"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#ad20897c5c8bd47f5d4005989bead0e55">datasketches::hll_union_alloc::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the union to an empty state in coupon collection mode.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:173</div></div>
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_af1abb48488246839a8732c9f20e3f7db"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db">datasketches::hll_union_alloc::get_rel_err</a></div><div class="ttdeci">static double get_rel_err(bool upper_bound, bool unioned, uint8_t lg_config_k, uint8_t num_std_dev)</div><div class="ttdoc">Gets the current (approximate) Relative Error (RE) asymptotic values given several para [...]
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_af1abb48488246839a8732c9f20e3f7db"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db">datasketches::hll_union_alloc::get_rel_err</a></div><div class="ttdeci">static double get_rel_err(bool upper_bound, bool unioned, uint8_t lg_config_k, uint8_t num_std_dev)</div><div class="ttdoc">Gets the current (approximate) Relative Error (RE) asymptotic values given several para [...]
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_afb6dfbdd1229e025d57402ac22c1cd2c"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#afb6dfbdd1229e025d57402ac22c1cd2c">datasketches::hll_union_alloc::get_upper_bound</a></div><div class="ttdeci">double get_upper_bound(uint8_t num_std_dev) const</div><div class="ttdoc">Returns the approximate upper error bound given the specified number of standard deviations.</div><div class="ttdef"><b>Definition</b [...]
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div>
diff --git a/docs/master/HllUtil_8hpp_source.html b/docs/master/HllUtil_8hpp_source.html
index 91c7d9d..1538bb6 100644
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+++ b/docs/master/HllUtil_8hpp_source.html
@@ -126,185 +126,193 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t EMPTY_FLAG_MASK = 4;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t COMPACT_FLAG_MASK = 8;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t OUT_OF_ORDER_FLAG_MASK = 16;</div>
-<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t FULL_SIZE_FLAG_MASK = 32;</div>
-<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
-<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t PREAMBLE_INTS_BYTE = 0;</div>
-<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t SER_VER_BYTE = 1;</div>
-<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t FAMILY_BYTE = 2;</div>
-<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LG_K_BYTE = 3;</div>
-<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LG_ARR_BYTE = 4;</div>
-<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t FLAGS_BYTE = 5;</div>
-<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LIST_COUNT_BYTE = 6;</div>
-<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HLL_CUR_MIN_BYTE = 6;</div>
-<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t MODE_BYTE = 7; <span class="comment">// lo2bits = curMode, next 2 bits = tgtHllMode</span></div>
-<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
-<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment">// Coupon List</span></div>
-<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LIST_INT_ARR_START = 8;</div>
-<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LIST_PREINTS = 2;</div>
-<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="comment">// Coupon Hash Set</span></div>
-<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HASH_SET_COUNT_INT = 8;</div>
-<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HASH_SET_INT_ARR_START = 12;</div>
-<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t HASH_SET_PREINTS = 3;</div>
-<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="comment">// HLL</span></div>
-<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t HLL_PREINTS = 10;</div>
-<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HLL_BYTE_ARR_START = 40;</div>
-<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HIP_ACCUM_DOUBLE = 8;</div>
-<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t KXQ0_DOUBLE = 16;</div>
-<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t KXQ1_DOUBLE = 24;</div>
-<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t CUR_MIN_COUNT_INT = 32;</div>
-<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t AUX_COUNT_INT = 36;</div>
-<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
-<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t EMPTY_SKETCH_SIZE_BYTES = 8;</div>
-<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
-<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment">// other HllUtil stuff</span></div>
-<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t KEY_BITS_26 = 26;</div>
-<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t VAL_BITS_6 = 6;</div>
-<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t KEY_MASK_26 = (1 << KEY_BITS_26) - 1;</div>
-<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t VAL_MASK_6 = (1 << VAL_BITS_6) - 1;</div>
-<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t EMPTY = 0;</div>
-<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t MIN_LOG_K = 4;</div>
-<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t MAX_LOG_K = 21;</div>
-<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
-<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> HLL_HIP_RSE_FACTOR = 0.8325546; <span class="comment">// sqrt(ln(2))</span></div>
-<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> HLL_NON_HIP_RSE_FACTOR = 1.03896; <span class="comment">// sqrt((3 * ln(2)) - 1)</span></div>
-<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> COUPON_RSE_FACTOR = 0.409; <span class="comment">// at transition point not the asymptote</span></div>
-<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> COUPON_RSE = COUPON_RSE_FACTOR / (1 << 13);</div>
-<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
-<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LG_INIT_LIST_SIZE = 3;</div>
-<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LG_INIT_SET_SIZE = 5;</div>
-<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t RESIZE_NUMER = 3;</div>
-<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t RESIZE_DENOM = 4;</div>
-<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
-<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t loNibbleMask = 0x0f;</div>
-<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t hiNibbleMask = 0xf0;</div>
-<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t AUX_TOKEN = 0xf;</div>
-<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
-<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LG_AUX_ARR_INTS[] = {</div>
-<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> 0, 2, 2, 2, 2, 2, 2, 3, 3, 3, <span class="comment">// 0 - 9</span></div>
-<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> 4, 4, 5, 5, 6, 7, 8, 9, 10, 11, <span class="comment">// 10-19</span></div>
-<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> 12, 13, 14, 15, 16, 17, 18 <span class="comment">// 20-26</span></div>
-<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>};</div>
-<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
-<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span>} <span class="comment">// namespace hll_constants</span></div>
-<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
-<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
-<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="comment">// template provides internal consistency and allows static float values</span></div>
-<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="comment">// but we don't use the template parameter anywhere</span></div>
-<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="keyword">template</span><<span class="keyword">typename</span> A = std::allocator<u<span class="keywordtype">int</span>8_t> ></div>
-<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="keyword">class </span>HllUtil final {</div>
-<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="keyword">public</span>:</div>
-<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
-<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">static</span> uint32_t coupon(<span class="keyword">const</span> uint64_t hash[]);</div>
-<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">static</span> uint32_t coupon(<span class="keyword">const</span> HashState& hashState);</div>
-<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">static</span> <span class="keywordtype">void</span> hash(<span class="keyword">const</span> <span class="keywordtype">void</span>* key, <span class="keywordtype">size_t</span> keyLen, uint64_t seed, HashState& result);</div>
-<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">static</span> uint8_t checkLgK(uint8_t lgK);</div>
-<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">static</span> <span class="keywordtype">void</span> checkMemSize(uint64_t minBytes, uint64_t capBytes);</div>
-<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> checkNumStdDev(uint8_t numStdDev);</div>
-<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">static</span> uint32_t pair(uint32_t slotNo, uint8_t value);</div>
-<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">static</span> uint32_t getLow26(uint32_t coupon);</div>
-<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">static</span> uint8_t getValue(uint32_t coupon);</div>
-<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">static</span> uint8_t simpleIntLog2(uint32_t n); <span class="comment">// n must be power of 2</span></div>
-<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">static</span> uint8_t computeLgArrInts(hll_mode mode, uint32_t count, uint8_t lgConfigK);</div>
-<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">static</span> <span class="keywordtype">double</span> getRelErr(<span class="keywordtype">bool</span> upperBound, <span class="keywordtype">bool</span> unioned, uint8_t lgConfigK, uint8_t numStdDev);</div>
-<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span>};</div>
-<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
-<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="keyword">inline</span> uint32_t HllUtil<A>::coupon(<span class="keyword">const</span> uint64_t hash[]) {</div>
-<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> uint32_t addr26 = hash[0] & hll_constants::KEY_MASK_26;</div>
-<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> uint8_t lz = count_leading_zeros_in_u64(hash[1]);</div>
-<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> uint8_t value = ((lz > 62 ? 62 : lz) + 1); </div>
-<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">return</span> (value << hll_constants::KEY_BITS_26) | addr26;</div>
-<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>}</div>
+<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">// Bit 32 is RESERVED and must not be written or interpreted.</span></div>
+<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">// It was formerly FULL_SIZE_FLAG_MASK here, while datasketches-java uses the same bit as</span></div>
+<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment">// REBUILD_CURMIN_NUM_KXQ_MASK for its union gadget. The two meanings collided across</span></div>
+<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment">// implementations, so this side no longer writes or reads it. Do not reuse: bits 64 and 128</span></div>
+<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment">// are free.</span></div>
+<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t RESERVED_FLAG_MASK_32 = 32;</div>
+<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment">// Deprecated alias for the bit above, retained for source compatibility. Do not use.</span></div>
+<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment">// (No [[deprecated]] attribute: this library targets C++11, where it is unavailable.)</span></div>
+<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t FULL_SIZE_FLAG_MASK = RESERVED_FLAG_MASK_32;</div>
+<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
+<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t PREAMBLE_INTS_BYTE = 0;</div>
+<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t SER_VER_BYTE = 1;</div>
+<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t FAMILY_BYTE = 2;</div>
+<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LG_K_BYTE = 3;</div>
+<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LG_ARR_BYTE = 4;</div>
+<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t FLAGS_BYTE = 5;</div>
+<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LIST_COUNT_BYTE = 6;</div>
+<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HLL_CUR_MIN_BYTE = 6;</div>
+<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t MODE_BYTE = 7; <span class="comment">// lo2bits = curMode, next 2 bits = tgtHllMode</span></div>
+<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
+<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="comment">// Coupon List</span></div>
+<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t LIST_INT_ARR_START = 8;</div>
+<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LIST_PREINTS = 2;</div>
+<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="comment">// Coupon Hash Set</span></div>
+<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HASH_SET_COUNT_INT = 8;</div>
+<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HASH_SET_INT_ARR_START = 12;</div>
+<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t HASH_SET_PREINTS = 3;</div>
+<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="comment">// HLL</span></div>
+<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t HLL_PREINTS = 10;</div>
+<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HLL_BYTE_ARR_START = 40;</div>
+<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t HIP_ACCUM_DOUBLE = 8;</div>
+<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t KXQ0_DOUBLE = 16;</div>
+<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t KXQ1_DOUBLE = 24;</div>
+<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t CUR_MIN_COUNT_INT = 32;</div>
+<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t AUX_COUNT_INT = 36;</div>
+<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
+<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t EMPTY_SKETCH_SIZE_BYTES = 8;</div>
+<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
+<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="comment">// other HllUtil stuff</span></div>
+<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t KEY_BITS_26 = 26;</div>
+<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t VAL_BITS_6 = 6;</div>
+<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t KEY_MASK_26 = (1 << KEY_BITS_26) - 1;</div>
+<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t VAL_MASK_6 = (1 << VAL_BITS_6) - 1;</div>
+<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t EMPTY = 0;</div>
+<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t MIN_LOG_K = 4;</div>
+<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t MAX_LOG_K = 21;</div>
+<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
+<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> HLL_HIP_RSE_FACTOR = 0.8325546; <span class="comment">// sqrt(ln(2))</span></div>
+<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> HLL_NON_HIP_RSE_FACTOR = 1.03896; <span class="comment">// sqrt((3 * ln(2)) - 1)</span></div>
+<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> COUPON_RSE_FACTOR = 0.409; <span class="comment">// at transition point not the asymptote</span></div>
+<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> COUPON_RSE = COUPON_RSE_FACTOR / (1 << 13);</div>
+<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
+<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LG_INIT_LIST_SIZE = 3;</div>
+<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LG_INIT_SET_SIZE = 5;</div>
+<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t RESIZE_NUMER = 3;</div>
+<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t RESIZE_DENOM = 4;</div>
+<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
+<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t loNibbleMask = 0x0f;</div>
+<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t hiNibbleMask = 0xf0;</div>
+<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t AUX_TOKEN = 0xf;</div>
+<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
+<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t LG_AUX_ARR_INTS[] = {</div>
+<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> 0, 2, 2, 2, 2, 2, 2, 3, 3, 3, <span class="comment">// 0 - 9</span></div>
+<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> 4, 4, 5, 5, 6, 7, 8, 9, 10, 11, <span class="comment">// 10-19</span></div>
+<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> 12, 13, 14, 15, 16, 17, 18 <span class="comment">// 20-26</span></div>
+<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span>};</div>
+<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
+<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span>} <span class="comment">// namespace hll_constants</span></div>
+<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
+<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
+<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span><span class="comment">// template provides internal consistency and allows static float values</span></div>
+<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="comment">// but we don't use the template parameter anywhere</span></div>
+<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="keyword">template</span><<span class="keyword">typename</span> A = std::allocator<u<span class="keywordtype">int</span>8_t> ></div>
+<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="keyword">class </span>HllUtil final {</div>
+<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="keyword">public</span>:</div>
+<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
+<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">static</span> uint32_t coupon(<span class="keyword">const</span> uint64_t hash[]);</div>
+<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">static</span> uint32_t coupon(<span class="keyword">const</span> HashState& hashState);</div>
+<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">static</span> <span class="keywordtype">void</span> hash(<span class="keyword">const</span> <span class="keywordtype">void</span>* key, <span class="keywordtype">size_t</span> keyLen, uint64_t seed, HashState& result);</div>
+<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">static</span> uint8_t checkLgK(uint8_t lgK);</div>
+<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">static</span> <span class="keywordtype">void</span> checkMemSize(uint64_t minBytes, uint64_t capBytes);</div>
+<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> checkNumStdDev(uint8_t numStdDev);</div>
+<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">static</span> uint32_t pair(uint32_t slotNo, uint8_t value);</div>
+<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">static</span> uint32_t getLow26(uint32_t coupon);</div>
+<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">static</span> uint8_t getValue(uint32_t coupon);</div>
+<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">static</span> uint8_t simpleIntLog2(uint32_t n); <span class="comment">// n must be power of 2</span></div>
+<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">static</span> uint8_t computeLgArrInts(hll_mode mode, uint32_t count, uint8_t lgConfigK);</div>
+<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">static</span> <span class="keywordtype">double</span> getRelErr(<span class="keywordtype">bool</span> upperBound, <span class="keywordtype">bool</span> unioned, uint8_t lgConfigK, uint8_t numStdDev);</div>
+<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>};</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="keyword">inline</span> uint32_t HllUtil<A>::coupon(<span class="keyword">const</span> HashState& hashState) {</div>
-<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> uint32_t addr26 = (int) (hashState.h1 & hll_constants::KEY_MASK_26);</div>
-<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> uint8_t lz = count_leading_zeros_in_u64(hashState.h2); </div>
+<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="keyword">inline</span> uint32_t HllUtil<A>::coupon(<span class="keyword">const</span> uint64_t hash[]) {</div>
+<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> uint32_t addr26 = hash[0] & hll_constants::KEY_MASK_26;</div>
+<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> uint8_t lz = count_leading_zeros_in_u64(hash[1]);</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> uint8_t value = ((lz > 62 ? 62 : lz) + 1); </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">return</span> (value << hll_constants::KEY_BITS_26) | addr26;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span>}</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="keyword">inline</span> <span class="keywordtype">void</span> HllUtil<A>::hash(<span class="keyword">const</span> <span class="keywordtype">void</span>* key, <span class="keywordtype">size_t</span> keyLen, uint64_t seed, HashState& result) {</div>
-<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> MurmurHash3_x64_128(key, keyLen, seed, result);</div>
-<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span>}</div>
-<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div>
-<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="keyword">inline</span> uint8_t HllUtil<A>::checkLgK(uint8_t lgK) {</div>
-<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">if</span> ((lgK >= hll_constants::MIN_LOG_K) && (lgK <= hll_constants::MAX_LOG_K)) {</div>
-<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> lgK;</div>
-<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid value of k: "</span> + std::to_string(lgK));</div>
-<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> }</div>
-<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span>}</div>
-<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
-<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="keyword">inline</span> <span class="keywordtype">double</span> HllUtil<A>::getRelErr(<span class="keywordtype">bool</span> upperBound, <span class="keywordtype">bool</span> unioned,</div>
-<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> uint8_t lgConfigK, uint8_t numStdDev) {</div>
-<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> checkLgK(lgConfigK);</div>
-<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">if</span> (lgConfigK > 12) {</div>
-<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">const</span> <span class="keywordtype">double</span> rseFactor = unioned ?</div>
-<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> hll_constants::HLL_NON_HIP_RSE_FACTOR : hll_constants::HLL_HIP_RSE_FACTOR;</div>
-<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keyword">const</span> uint32_t configK = 1 << lgConfigK;</div>
-<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">return</span> (upperBound ? -1 : 1) * (numStdDev * rseFactor) / sqrt(configK);</div>
-<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> } <span class="keywordflow">else</span> {</div>
-<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">return</span> RelativeErrorTables<A>::getRelErr(upperBound, unioned, lgConfigK, numStdDev);</div>
-<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> }</div>
-<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>}</div>
-<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
-<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span><span class="keyword">inline</span> <span class="keywordtype">void</span> HllUtil<A>::checkMemSize(uint64_t minBytes, uint64_t capBytes) {</div>
-<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">if</span> (capBytes < minBytes) {</div>
-<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Given destination array is not large enough: "</span> + std::to_string(capBytes));</div>
-<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> }</div>
-<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span>}</div>
-<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
-<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="keyword">inline</span> <span class="keywordtype">void</span> HllUtil<A>::checkNumStdDev(uint8_t numStdDev) {</div>
-<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">if</span> ((numStdDev < 1) || (numStdDev > 3)) {</div>
-<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"NumStdDev may not be less than 1 or greater than 3."</span>);</div>
-<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> }</div>
-<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span>}</div>
-<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
-<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span><span class="keyword">inline</span> uint32_t HllUtil<A>::pair(uint32_t slotNo, uint8_t value) {</div>
-<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">return</span> (value << hll_constants::KEY_BITS_26) | (slotNo & hll_constants::KEY_MASK_26);</div>
-<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span>}</div>
-<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
-<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span><span class="keyword">inline</span> uint32_t HllUtil<A>::getLow26(uint32_t coupon) {</div>
-<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> coupon & hll_constants::KEY_MASK_26;</div>
-<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span>}</div>
-<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
-<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span><span class="keyword">inline</span> uint8_t HllUtil<A>::getValue(uint32_t coupon) {</div>
-<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">return</span> coupon >> hll_constants::KEY_BITS_26;</div>
-<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span>}</div>
-<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
-<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span><span class="keyword">inline</span> uint8_t HllUtil<A>::simpleIntLog2(uint32_t n) {</div>
-<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (n == 0) {</div>
-<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"cannot take log of 0"</span>);</div>
-<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> }</div>
-<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> count_trailing_zeros_in_u32(n);</div>
+<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="keyword">inline</span> uint32_t HllUtil<A>::coupon(<span class="keyword">const</span> HashState& hashState) {</div>
+<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> uint32_t addr26 = (int) (hashState.h1 & hll_constants::KEY_MASK_26);</div>
+<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> uint8_t lz = count_leading_zeros_in_u64(hashState.h2); </div>
+<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> uint8_t value = ((lz > 62 ? 62 : lz) + 1); </div>
+<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">return</span> (value << hll_constants::KEY_BITS_26) | addr26;</div>
+<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span>}</div>
+<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
+<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="keyword">inline</span> <span class="keywordtype">void</span> HllUtil<A>::hash(<span class="keyword">const</span> <span class="keywordtype">void</span>* key, <span class="keywordtype">size_t</span> keyLen, uint64_t seed, HashState& result) {</div>
+<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> MurmurHash3_x64_128(key, keyLen, seed, result);</div>
+<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span>}</div>
+<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
+<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="keyword">inline</span> uint8_t HllUtil<A>::checkLgK(uint8_t lgK) {</div>
+<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">if</span> ((lgK >= hll_constants::MIN_LOG_K) && (lgK <= hll_constants::MAX_LOG_K)) {</div>
+<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">return</span> lgK;</div>
+<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid value of k: "</span> + std::to_string(lgK));</div>
+<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> }</div>
+<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span>}</div>
+<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
+<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span><span class="keyword">inline</span> <span class="keywordtype">double</span> HllUtil<A>::getRelErr(<span class="keywordtype">bool</span> upperBound, <span class="keywordtype">bool</span> unioned,</div>
+<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> uint8_t lgConfigK, uint8_t numStdDev) {</div>
+<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> checkLgK(lgConfigK);</div>
+<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordflow">if</span> (lgConfigK > 12) {</div>
+<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keyword">const</span> <span class="keywordtype">double</span> rseFactor = unioned ?</div>
+<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> hll_constants::HLL_NON_HIP_RSE_FACTOR : hll_constants::HLL_HIP_RSE_FACTOR;</div>
+<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">const</span> uint32_t configK = 1 << lgConfigK;</div>
+<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> (upperBound ? -1 : 1) * (numStdDev * rseFactor) / sqrt(configK);</div>
+<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> } <span class="keywordflow">else</span> {</div>
+<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">return</span> RelativeErrorTables<A>::getRelErr(upperBound, unioned, lgConfigK, numStdDev);</div>
+<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> }</div>
+<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span>}</div>
+<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
+<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><span class="keyword">inline</span> <span class="keywordtype">void</span> HllUtil<A>::checkMemSize(uint64_t minBytes, uint64_t capBytes) {</div>
+<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">if</span> (capBytes < minBytes) {</div>
+<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Given destination array is not large enough: "</span> + std::to_string(capBytes));</div>
+<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> }</div>
+<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span>}</div>
+<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
+<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="keyword">inline</span> <span class="keywordtype">void</span> HllUtil<A>::checkNumStdDev(uint8_t numStdDev) {</div>
+<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">if</span> ((numStdDev < 1) || (numStdDev > 3)) {</div>
+<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"NumStdDev may not be less than 1 or greater than 3."</span>);</div>
+<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> }</div>
+<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span>}</div>
+<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
+<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span><span class="keyword">inline</span> uint32_t HllUtil<A>::pair(uint32_t slotNo, uint8_t value) {</div>
+<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordflow">return</span> (value << hll_constants::KEY_BITS_26) | (slotNo & hll_constants::KEY_MASK_26);</div>
+<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span>}</div>
+<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
+<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="keyword">inline</span> uint32_t HllUtil<A>::getLow26(uint32_t coupon) {</div>
+<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> coupon & hll_constants::KEY_MASK_26;</div>
+<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span>}</div>
+<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
+<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span><span class="keyword">inline</span> uint8_t HllUtil<A>::getValue(uint32_t coupon) {</div>
+<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> coupon >> hll_constants::KEY_BITS_26;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span>}</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
-<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span><span class="keyword">inline</span> uint8_t HllUtil<A>::computeLgArrInts(hll_mode mode, uint32_t count, uint8_t lgConfigK) {</div>
-<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// assume value missing and recompute</span></div>
-<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">if</span> (mode == LIST) { <span class="keywordflow">return</span> hll_constants::LG_INIT_LIST_SIZE; }</div>
-<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> uint32_t ceilPwr2 = ceiling_power_of_2(count);</div>
-<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">if</span> ((hll_constants::RESIZE_DENOM * count) > (hll_constants::RESIZE_NUMER * ceilPwr2)) { ceilPwr2 <<= 1;}</div>
-<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">if</span> (mode == SET) {</div>
-<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">return</span> std::max(hll_constants::LG_INIT_SET_SIZE, HllUtil<A>::simpleIntLog2(ceilPwr2));</div>
-<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
-<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="comment">//only used for HLL4</span></div>
-<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">return</span> std::max(hll_constants::LG_AUX_ARR_INTS[lgConfigK], HllUtil<A>::simpleIntLog2(ceilPwr2));</div>
-<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span>}</div>
-<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
-<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span>}</div>
-<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
-<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="preprocessor">#endif </span><span class="comment">/* _HLLUTIL_HPP_ */</span><span class="preprocessor"></span></div>
+<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span><span class="keyword">inline</span> uint8_t HllUtil<A>::simpleIntLog2(uint32_t n) {</div>
+<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (n == 0) {</div>
+<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"cannot take log of 0"</span>);</div>
+<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</div>
+<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">return</span> count_trailing_zeros_in_u32(n);</div>
+<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span>}</div>
+<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
+<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div>
+<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="keyword">inline</span> uint8_t HllUtil<A>::computeLgArrInts(hll_mode mode, uint32_t count, uint8_t lgConfigK) {</div>
+<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="comment">// assume value missing and recompute</span></div>
+<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">if</span> (mode == LIST) { <span class="keywordflow">return</span> hll_constants::LG_INIT_LIST_SIZE; }</div>
+<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> uint32_t ceilPwr2 = ceiling_power_of_2(count);</div>
+<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">if</span> ((hll_constants::RESIZE_DENOM * count) > (hll_constants::RESIZE_NUMER * ceilPwr2)) { ceilPwr2 <<= 1;}</div>
+<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">if</span> (mode == SET) {</div>
+<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">return</span> std::max(hll_constants::LG_INIT_SET_SIZE, HllUtil<A>::simpleIntLog2(ceilPwr2));</div>
+<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> }</div>
+<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="comment">//only used for HLL4</span></div>
+<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">return</span> std::max(hll_constants::LG_AUX_ARR_INTS[lgConfigK], HllUtil<A>::simpleIntLog2(ceilPwr2));</div>
+<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>}</div>
+<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
+<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span>}</div>
+<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
+<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="preprocessor">#endif </span><span class="comment">/* _HLLUTIL_HPP_ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
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diff --git a/docs/master/hll_8hpp_source.html b/docs/master/hll_8hpp_source.html
index 8e0010d..0e38773 100644
--- a/docs/master/hll_8hpp_source.html
+++ b/docs/master/hll_8hpp_source.html
@@ -134,201 +134,201 @@ $(document).ready(function() { init_codefold(0); });
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="keyword">template</span><<span class="keyword">typename</span> A = std::allocator<u<span class="keywordtype">int</span>8_t> ></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="keyword">class </span>hll_sketch_alloc final {</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">public</span>:</div>
-<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">explicit</span> hll_sketch_alloc(uint8_t lg_config_k, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgt_type = <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>, <span class="keywordtype">bool</span> start_full_size = < [...]
-<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
-<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> hll_sketch_alloc(<span class="keyword">const</span> hll_sketch_alloc<A>& that);</div>
-<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
-<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> hll_sketch_alloc(<span class="keyword">const</span> hll_sketch_alloc<A>& that, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgt_type);</div>
-<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
-<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> hll_sketch_alloc(hll_sketch_alloc<A>&& that) <span class="keyword">noexcept</span>;</div>
-<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
-<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">static</span> hll_sketch_alloc deserialize(std::istream& is, <span class="keyword">const</span> A& allocator = A());</div>
-<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
-<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">static</span> hll_sketch_alloc deserialize(<span class="keyword">const</span> <span class="keywordtype">void</span>* bytes, <span class="keywordtype">size_t</span> len, <span class="keyword">const</span> A& allocator = A());</div>
-<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
-<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> ~hll_sketch_alloc();</div>
+<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">explicit</span> hll_sketch_alloc(uint8_t lg_config_k, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgt_type = <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>, <span class="keywordtype">bool</span> start_full_size = < [...]
+<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
+<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> hll_sketch_alloc(<span class="keyword">const</span> hll_sketch_alloc<A>& that);</div>
+<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
+<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> hll_sketch_alloc(<span class="keyword">const</span> hll_sketch_alloc<A>& that, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgt_type);</div>
+<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
+<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> hll_sketch_alloc(hll_sketch_alloc<A>&& that) <span class="keyword">noexcept</span>;</div>
+<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
+<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">static</span> hll_sketch_alloc deserialize(std::istream& is, <span class="keyword">const</span> A& allocator = A());</div>
+<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
+<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">static</span> hll_sketch_alloc deserialize(<span class="keyword">const</span> <span class="keywordtype">void</span>* bytes, <span class="keywordtype">size_t</span> len, <span class="keyword">const</span> A& allocator = A());</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
-<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> hll_sketch_alloc& operator=(<span class="keyword">const</span> hll_sketch_alloc<A>& other);</div>
-<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
-<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> hll_sketch_alloc& operator=(hll_sketch_alloc<A>&& other);</div>
-<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
-<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordtype">void</span> reset();</div>
-<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
-<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// This is a convenience alias for users</span></div>
-<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// The type returned by the following serialize method</span></div>
-<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">using </span>vector_bytes = std::vector<uint8_t, typename std::allocator_traits<A>::template rebind_alloc<uint8_t>>;</div>
-<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
-<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> vector_bytes serialize_compact(<span class="keywordtype">unsigned</span> header_size_bytes = 0) <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
-<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> vector_bytes serialize_updatable() <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> ~hll_sketch_alloc();</div>
+<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
+<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> hll_sketch_alloc& operator=(<span class="keyword">const</span> hll_sketch_alloc<A>& other);</div>
+<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
+<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> hll_sketch_alloc& operator=(hll_sketch_alloc<A>&& other);</div>
+<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
+<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">void</span> reset(<span class="keywordtype">bool</span> full_size = <span class="keyword">false</span>);</div>
+<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
+<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// This is a convenience alias for users</span></div>
+<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// The type returned by the following serialize method</span></div>
+<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">using </span>vector_bytes = std::vector<uint8_t, typename std::allocator_traits<A>::template rebind_alloc<uint8_t>>;</div>
+<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
+<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> vector_bytes serialize_compact(<span class="keywordtype">unsigned</span> header_size_bytes = 0) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
-<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keywordtype">void</span> serialize_compact(std::ostream& os) <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> vector_bytes serialize_updatable() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
-<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">void</span> serialize_updatable(std::ostream& os) <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">void</span> serialize_compact(std::ostream& os) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
-<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> string<A> to_string(<span class="keywordtype">bool</span> summary = <span class="keyword">true</span>,</div>
-<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordtype">bool</span> detail = <span class="keyword">false</span>,</div>
-<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordtype">bool</span> aux_detail = <span class="keyword">false</span>,</div>
-<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordtype">bool</span> all = <span class="keyword">false</span>) <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
-<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordtype">void</span> update(<span class="keyword">const</span> std::string& datum);</div>
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-<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordtype">void</span> update(uint64_t datum);</div>
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-<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordtype">void</span> update(uint32_t datum);</div>
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-<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordtype">void</span> update(uint16_t datum);</div>
-<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
-<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordtype">void</span> update(uint8_t datum);</div>
-<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
-<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordtype">void</span> update(int64_t datum);</div>
-<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> </div>
-<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordtype">void</span> update(int32_t datum);</div>
-<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
-<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordtype">void</span> update(int16_t datum);</div>
-<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
-<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordtype">void</span> update(int8_t datum);</div>
-<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> </div>
-<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordtype">void</span> update(<span class="keywordtype">double</span> datum);</div>
-<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> </div>
-<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordtype">void</span> update(<span class="keywordtype">float</span> datum);</div>
-<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> </div>
-<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordtype">void</span> update(<span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">size_t</span> length_bytes);</div>
+<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordtype">void</span> serialize_updatable(std::ostream& os) <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
+<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> string<A> to_string(<span class="keywordtype">bool</span> summary = <span class="keyword">true</span>,</div>
+<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">bool</span> detail = <span class="keyword">false</span>,</div>
+<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordtype">bool</span> aux_detail = <span class="keyword">false</span>,</div>
+<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordtype">bool</span> all = <span class="keyword">false</span>) <span class="keyword">const</span>;</div>
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+<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordtype">void</span> update(<span class="keyword">const</span> std::string& datum);</div>
+<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
+<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordtype">void</span> update(uint64_t datum);</div>
+<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> </div>
+<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordtype">void</span> update(uint32_t datum);</div>
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+<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keywordtype">void</span> update(uint16_t datum);</div>
+<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
+<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordtype">void</span> update(uint8_t datum);</div>
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+<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordtype">void</span> update(int64_t datum);</div>
+<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
+<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordtype">void</span> update(int32_t datum);</div>
+<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
+<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordtype">void</span> update(int16_t datum);</div>
+<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
+<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordtype">void</span> update(int8_t datum);</div>
+<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
+<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordtype">void</span> update(<span class="keywordtype">double</span> datum);</div>
+<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
+<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordtype">void</span> update(<span class="keywordtype">float</span> datum);</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> </div>
-<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="keywordtype">double</span> get_estimate() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordtype">double</span> get_composite_estimate() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordtype">double</span> get_lower_bound(uint8_t num_std_dev) <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> uint8_t get_lg_config_k() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keywordtype">bool</span> is_compact() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordtype">bool</span> is_empty() <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> </div>
-<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> uint32_t get_compact_serialization_bytes() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> uint32_t get_updatable_serialization_bytes() <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> </div>
-<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="keyword">static</span> uint32_t get_max_updatable_serialization_bytes(uint8_t lg_k, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgt_type);</div>
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-<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="keyword">static</span> <span class="keywordtype">double</span> get_rel_err(<span class="keywordtype">bool</span> upper_bound, <span class="keywordtype">bool</span> unioned,</div>
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-<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordtype">void</span> coupon_update(uint32_t coupon);</div>
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-<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> std::string type_as_string() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> hll_mode get_current_mode() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordtype">bool</span> is_out_of_order_flag() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> HllSketchImpl<A>* sketch_impl;</div>
-<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keyword">friend</span> hll_union_alloc<A>;</div>
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-<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#a1d6c3cd1e88796786ea124a7aed3800d">get_composite_estimate</a>() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#afb6dfbdd1229e025d57402ac22c1cd2c">get_upper_bound</a>(uint8_t num_std_dev) <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> uint8_t <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#aacaad8ccad500578a2cae9bef58ad436">get_lg_config_k</a>() <span class="keyword">const</span>;</div>
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-<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> </div>
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-<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> </div>
-<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#a3af0c80a1b31f0e5dd32d140943bf065">update</a>(hll_sketch_alloc<A>&& sketch);</div>
-<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> </div>
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-<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> </div>
-<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> hll_mode get_current_mode() <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="keywordtype">bool</span> is_out_of_order_flag() <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keywordtype">bool</span> is_estimation_mode() <span class="keyword">const</span>;</div>
-<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> </div>
-<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="comment">// calls couponUpdate on sketch, freeing the old sketch upon changes in hll_mode</span></div>
-<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="keyword">static</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* leak_free_coupon_update(<a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* impl, uint32_t coupon);</div>
+<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#a3af0c80a1b31f0e5dd32d140943bf065">update</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">size_t</span> length_bytes);</div>
+<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> </div>
+<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db">get_rel_err</a>(<span class="keywordtype">bool</span> upper_bound, <span class="keywordtype">bool</span> unioned,</div>
+<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> uint8_t lg_config_k, uint8_t num_std_dev);</div>
+<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> </div>
+<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="keyword">private</span>:</div>
+<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> </div>
+<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> union_impl(<span class="keyword">const</span> hll_sketch_alloc<A>& sketch, uint8_t lg_max_k);</div>
+<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> </div>
+<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <span class="keyword">static</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* copy_or_downsample(<span class="keyword">const</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* src_impl, uint8_t tgt_lg_k);</div>
+<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> </div>
+<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="keywordtype">void</span> coupon_update(uint32_t coupon);</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> </div>
-<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> uint8_t lg_max_k_;</div>
-<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> hll_sketch_alloc<A> gadget_;</div>
-<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span>};</div>
-</div>
+<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> hll_mode get_current_mode() <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="keywordtype">bool</span> is_out_of_order_flag() <span class="keyword">const</span>;</div>
+<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordtype">bool</span> is_estimation_mode() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> </div>
-<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span>} <span class="comment">// namespace datasketches</span></div>
-<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> </div>
-<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span><span class="preprocessor">#include "hll.private.hpp"</span></div>
-<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> </div>
-<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span><span class="preprocessor">#endif </span><span class="comment">// _HLL_HPP_</span></div>
+<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <span class="comment">// calls couponUpdate on sketch, freeing the old sketch upon changes in hll_mode</span></div>
+<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <span class="keyword">static</span> <a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* leak_free_coupon_update(<a class="code hl_class" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* impl, uint32_t coupon);</div>
+<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> </div>
+<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> uint8_t lg_max_k_;</div>
+<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> hll_sketch_alloc<A> gadget_;</div>
+<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span>};</div>
+</div>
+<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> </div>
+<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span>} <span class="comment">// namespace datasketches</span></div>
+<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> </div>
+<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span><span class="preprocessor">#include "hll.private.hpp"</span></div>
+<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> </div>
+<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span><span class="preprocessor">#endif </span><span class="comment">// _HLL_HPP_</span></div>
<div class="ttc" id="aclassdatasketches_1_1HllSketchImpl_html"><div class="ttname"><a href="classdatasketches_1_1HllSketchImpl.html">datasketches::HllSketchImpl</a></div><div class="ttdoc">This is a high performance implementation of Phillipe Flajolet's HLL sketch but with significantly im...</div><div class="ttdef"><b>Definition</b> HllSketchImpl.hpp:31</div></div>
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html">datasketches::hll_union_alloc</a></div><div class="ttdoc">This performs union operations for HLL sketches.</div><div class="ttdef"><b>Definition</b> hll.hpp:446</div></div>
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a0387c920d914fe59fd3c4c53a9a99093"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093">datasketches::hll_union_alloc::get_target_type</a></div><div class="ttdeci">target_hll_type get_target_type() const</div><div class="ttdoc">Returns the union's target HLL mode (from target_hll_type).</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:198</div></div>
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html">datasketches::hll_union_alloc</a></div><div class="ttdoc">This performs union operations for HLL sketches.</div><div class="ttdef"><b>Definition</b> hll.hpp:453</div></div>
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a0387c920d914fe59fd3c4c53a9a99093"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a0387c920d914fe59fd3c4c53a9a99093">datasketches::hll_union_alloc::get_target_type</a></div><div class="ttdeci">target_hll_type get_target_type() const</div><div class="ttdoc">Returns the union's target HLL mode (from target_hll_type).</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:200</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a1d6c3cd1e88796786ea124a7aed3800d"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a1d6c3cd1e88796786ea124a7aed3800d">datasketches::hll_union_alloc::get_composite_estimate</a></div><div class="ttdeci">double get_composite_estimate() const</div><div class="ttdoc">This is less accurate than the get_estimate() method and is automatically used when the union has gon...</div><div class="ttdef"><b>Defini [...]
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a2afb71f2ef2d82290be4c8eafc08f2a2"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a2afb71f2ef2d82290be4c8eafc08f2a2">datasketches::hll_union_alloc::get_estimate</a></div><div class="ttdeci">double get_estimate() const</div><div class="ttdoc">Returns the current cardinality estimate.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:136</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a3af0c80a1b31f0e5dd32d140943bf065"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a3af0c80a1b31f0e5dd32d140943bf065">datasketches::hll_union_alloc::update</a></div><div class="ttdeci">void update(const hll_sketch_alloc< A > &sketch)</div><div class="ttdoc">Update this union operator with the given sketch.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:49</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a505bdafe096c4fc8adef4f8438b2da25"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a505bdafe096c4fc8adef4f8438b2da25">datasketches::hll_union_alloc::get_result</a></div><div class="ttdeci">hll_sketch_alloc< A > get_result(target_hll_type tgt_type=HLL_4) const</div><div class="ttdoc">Returns the result of this union operator with the specified target_hll_type.</div><div class="ttdef"><b>Defini [...]
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a5a2b7a58dc85678d08752945ff655362"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362">datasketches::hll_union_alloc::is_empty</a></div><div class="ttdeci">bool is_empty() const</div><div class="ttdoc">Indicates if the union is currently empty.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:178</div></div>
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_a5a2b7a58dc85678d08752945ff655362"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#a5a2b7a58dc85678d08752945ff655362">datasketches::hll_union_alloc::is_empty</a></div><div class="ttdeci">bool is_empty() const</div><div class="ttdoc">Indicates if the union is currently empty.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:180</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_aacaad8ccad500578a2cae9bef58ad436"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#aacaad8ccad500578a2cae9bef58ad436">datasketches::hll_union_alloc::get_lg_config_k</a></div><div class="ttdeci">uint8_t get_lg_config_k() const</div><div class="ttdoc">Returns union's configured lg_k value.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:168</div></div>
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_ab6cbf0e7b9ad7dc653d8cb7bc02e8ee4"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#ab6cbf0e7b9ad7dc653d8cb7bc02e8ee4">datasketches::hll_union_alloc::get_lower_bound</a></div><div class="ttdeci">double get_lower_bound(uint8_t num_std_dev) const</div><div class="ttdoc">Returns the approximate lower error bound given the specified number of standard deviations.</div><div class="ttdef"><b>Definition</b [...]
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_ad20897c5c8bd47f5d4005989bead0e55"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#ad20897c5c8bd47f5d4005989bead0e55">datasketches::hll_union_alloc::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the union to an empty state in coupon collection mode.</div><div class="ttdef"><b>Definition</b> HllUnion-internal.hpp:173</div></div>
-<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_af1abb48488246839a8732c9f20e3f7db"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db">datasketches::hll_union_alloc::get_rel_err</a></div><div class="ttdeci">static double get_rel_err(bool upper_bound, bool unioned, uint8_t lg_config_k, uint8_t num_std_dev)</div><div class="ttdoc">Gets the current (approximate) Relative Error (RE) asymptotic values given several para [...]
+<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_af1abb48488246839a8732c9f20e3f7db"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#af1abb48488246839a8732c9f20e3f7db">datasketches::hll_union_alloc::get_rel_err</a></div><div class="ttdeci">static double get_rel_err(bool upper_bound, bool unioned, uint8_t lg_config_k, uint8_t num_std_dev)</div><div class="ttdoc">Gets the current (approximate) Relative Error (RE) asymptotic values given several para [...]
<div class="ttc" id="aclassdatasketches_1_1hll__union__alloc_html_afb6dfbdd1229e025d57402ac22c1cd2c"><div class="ttname"><a href="classdatasketches_1_1hll__union__alloc.html#afb6dfbdd1229e025d57402ac22c1cd2c">datasketches::hll_union_alloc::get_upper_bound</a></div><div class="ttdeci">double get_upper_bound(uint8_t num_std_dev) const</div><div class="ttdoc">Returns the approximate upper error bound given the specified number of standard deviations.</div><div class="ttdef"><b>Definition</b [...]
<div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div>
<div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div>
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