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Posted to commits@arrow.apache.org by uw...@apache.org on 2018/05/18 07:47:11 UTC
[10/51] [partial] arrow-site git commit: Update API docs
http://git-wip-us.apache.org/repos/asf/arrow-site/blob/c77df435/docs/cpp/python_2type__traits_8h_source.html
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@@ -70,19 +70,19 @@ $(function() {
<div class="title">type_traits.h</div> </div>
</div><!--header-->
<div class="contents">
-<a href="python_2type__traits_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></
a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// software
distributed under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// Internal header</span></div><div class="line"><a name="l00019"></a><span class="lineno">
19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="platform_8h.html">arrow/python/platform.h</a>"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <cstdint></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="numpy__interop_8h.html">arrow/python/numpy_interop.h</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line
"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <numpy/halffloat.h></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="builder_8h.html">arrow/builder.h</a>"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="type_8h.html">arrow/type.h</a>"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="logging_8h.html">arrow/util/logging.h</a>"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">nam
espace </span><a class="code" href="namespacearrow.html">arrow</a> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>py {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Type traits for Numpy -> Arrow equivalence</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">//</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> TYPE></div><div class="line"
><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">struct </span>npy_traits {};</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">struct </span>npy_traits<NPY_BOOL> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typedef</span> uint8_t value_type;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">using</span> TypeClass = BooleanType;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">using</span> BuilderClass = BooleanBuilder;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </
div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">false</span>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(uint8_t v) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> };</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720"> 53</a></span> <span class="preprocessor">#define NPY_INT_DECL(TYPE, CapType, T) \</span></div><div class="line"><a name="l00054"></a><span c
lass="lineno"> 54</span> <span class="preprocessor"> template <> \</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> struct npy_traits<NPY_##TYPE> { \</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> typedef T value_type; \</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> using TypeClass = CapType##Type; \</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> using BuilderClass = CapType##Builder; \</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> \</span></div
><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> static constexpr bool supports_nulls = false; \</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"> static inline bool isnull(T v) { return false; } \</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"> };</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT8, Int8, int8_t);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT16, Int16, int16_t);</div><div class="line"><a name="l0
0066"></a><span class="lineno"> 66</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT32, Int32, int32_t);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT64, Int64, int64_t);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT8, UInt8, uint8_t);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT16, UInt16, uint16_t);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <a class="code" href=
"python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT32, UInt32, uint32_t);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT64, UInt64, uint64_t);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#if !NPY_INT32_IS_INT && NPY_BITSOF_INT == 32</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT, Int32, int32_t);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT, UInt32, uint32_t);</
div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#if !NPY_INT64_IS_LONG_LONG && NPY_BITSOF_LONGLONG == 64</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(LONGLONG, Int64, int64_t);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(ULONGLONG, UInt64, uint64_t);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class
="lineno"> 83</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">struct </span>npy_traits<NPY_FLOAT16> {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">typedef</span> npy_half value_type;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">using</span> TypeClass = HalfFloatType;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">using</span> BuilderClass = <a class="code" href="namespacearrow.html#ae87957f6c01fb918bb573f04c5188ca4">HalfFloatBuilder</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</
span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(npy_half v) { <span class="keywordflow">return</span> v == NPY_HALF_NAN; }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> };</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">struct </span>npy_traits<NPY_FLOAT32> {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">typedef</span> <span
class="keywordtype">float</span> value_type;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">using</span> TypeClass = FloatType;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">using</span> BuilderClass = <a class="code" href="namespacearrow.html#afc7f8a9698e4a5b6e8c3884c2cf3aedb">FloatBuilder</a>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</
span> isnull(<span class="keywordtype">float</span> v) { <span class="keywordflow">return</span> v != v; }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> };</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">struct </span>npy_traits<NPY_FLOAT64> {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">typedef</span> <span class="keywordtype">double</span> value_type;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">using</span> TypeClass = DoubleType;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">using</span> B
uilderClass = <a class="code" href="namespacearrow.html#ab98cad76b29efffe92c6c88af8947873">DoubleBuilder</a>;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(<span class="keywordtype">double</span> v) { <span class="keywordflow">return</span> v != v; }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> };</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name=
"l00116"></a><span class="lineno"> 116</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">struct </span>npy_traits<NPY_DATETIME> {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">typedef</span> int64_t value_type;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">using</span> TypeClass = TimestampType;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">using</span> BuilderClass = <a class="code" href="namespacearrow.html#a06c8b697ab3c8b10f4653b088351c4a0">TimestampBuilder</a>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">static</span> constexpr <span cl
ass="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(int64_t v) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// NaT = -2**63</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// = -0x8000000000000000</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// = -9223372036854775808;</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// = std::numeric_limits<int64_t>::min()</span></div><div class="line"><a name="l0012
9"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> v == std::numeric_limits<int64_t>::min();</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> };</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">struct </span>npy_traits<NPY_OBJECT> {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">typedef</span> PyObject* value_type;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_
nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(PyObject* v) { <span class="keywordflow">return</span> v == Py_None; }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> };</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">//</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// Type traits for Arrow -> Numpy equivalence</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// Note *supports_nulls* means the equivalent
Numpy type support nulls</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">//</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> TYPE></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">struct </span>arrow_traits {};</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">struct </span>arrow_traits<Type::BOOL> {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type
= NPY_BOOL;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">false</span>;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> };</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36"> 154</a></span> <span class="preprocessor">#define INT_DECL(TYPE) \</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"> template <> \</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"> struct arrow_traits<Type::
TYPE> { \</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor"> static constexpr int npy_type = NPY_##TYPE; \</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"> static constexpr bool supports_nulls = false; \</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor"> static constexpr double na_value = NAN; \</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"> typedef typename npy_traits<NPY_##TYPE>::value_type T; \</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"> };</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name
="l00163"></a><span class="lineno"> 163</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT8);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT16);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT32);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT64);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT8);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&
#160;<a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT16);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT32);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT64);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">struct </span>arrow_traits<Type::HALF_FLOAT> {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">static</span> constexpr
<span class="keywordtype">int</span> npy_type = NPY_FLOAT16;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">static</span> constexpr uint16_t na_value = NPY_HALF_NAN;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_FLOAT16>::value_type T;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> };</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00181"></a>
<span class="lineno"> 181</span> <span class="keyword">struct </span>arrow_traits<Type::FLOAT> {</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_FLOAT32;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">float</span> na_value = NAN;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_FLOAT32>::value_type T;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }
;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">struct </span>arrow_traits<Type::DOUBLE> {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_FLOAT64;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">double</span> na_value = NAN;</div><div class="line"><a n
ame="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_FLOAT64>::value_type T;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> };</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">static</span> constexpr int64_t kPandasTimestampNull = std::numeric_limits<int64_t>::min();</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> constexpr int64_t kNanosecondsInDay = 86400000000000LL;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">template</span> <></div><div
class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">struct </span>arrow_traits<Type::TIMESTAMP> {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_DATETIME;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">static</span> constexpr int64_t npy_shift = 1;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a
name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> };</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">struct </span>arrow_traits<Type::DATE32> {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// Data stores as FR_D day unit</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_DATETIME;</div><div class="line">
<a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">static</span> constexpr int64_t npy_shift = 1;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="k
eyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(int64_t v) { <span class="keywordflow">return</span> npy_traits<NPY_DATETIME>::isnull(v); }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> };</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">struct </span>arrow_traits<Type::DATE64> {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// Data stores as FR_D day unit</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_DATETIME;</di
v><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// There are 1000 * 60 * 60 * 24 = 86400000ms in a day</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">static</span> constexpr int64_t npy_shift = 86400000;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</spa
n> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(int64_t v) { <span class="keywordflow">return</span> npy_traits<NPY_DATETIME>::isnull(v); }</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> };</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">struct </span>arrow_traits<Type::TIME32> {</div><div class="line"><a name="l00240"></a><span class="linen
o"> 240</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> };</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="key
word">template</span> <></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">struct </span>arrow_traits<Type::TIME64> {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> };</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><
a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">struct </span>arrow_traits<Type::STRING> {</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> };</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">template</span> <></div><div class="line"><a
name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">struct </span>arrow_traits<Type::BINARY> {</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> };</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> NumPyTypeSize(<span class="keywordtype">int</span> npy_type) {</div><div class="line"><a name=
"l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">switch</span> (npy_type) {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">case</span> NPY_BOOL:</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">case</span> NPY_INT8:</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">case</span> NPY_UINT8:</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">case</span> NPY_INT16:</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">case</span> NPY_UINT16:</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#
160; <span class="keywordflow">return</span> 2;</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">case</span> NPY_INT32:</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">case</span> NPY_UINT32:</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> 4;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">case</span> NPY_INT64:</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">case</span> NPY_UINT64:</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> 8;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#if !NPY_INT32_IS_INT</s
pan></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">case</span> NPY_INT:</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">case</span> NPY_UINT:</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> NPY_BITSOF_INT / 8;</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#if !NPY_INT64_IS_LONG_LONG</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">case</span> NPY_LONGLONG:</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">case</span> NPY_ULONGLONG:</div><div class="line"><a
name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">return</span> NPY_BITSOF_LONGLONG / 8;</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">case</span> NPY_FLOAT16:</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> 2;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">case</span> NPY_FLOAT32:</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> 4;</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">case</span> NPY_FLOAT64:</div><div class="line"><a name="l00295"></a><span class="lineno">
295</span>  <span class="keywordflow">return</span> 8;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">case</span> NPY_DATETIME:</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> 8;</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">case</span> NPY_OBJECT:</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(<span class="keywordtype">void</span>*);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <a class="code" href="logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<span class="key
word">false</span>) << <span class="stringliteral">"unhandled numpy type"</span>;</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> }</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> } <span class="comment">// namespace internal</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> } <span class="comment">// namespace py</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> } <span class="comment">// namesp
ace arrow</span></div><div class="ttc" id="namespacearrow_html_afc7f8a9698e4a5b6e8c3884c2cf3aedb"><div class="ttname"><a href="namespacearrow.html#afc7f8a9698e4a5b6e8c3884c2cf3aedb">arrow::FloatBuilder</a></div><div class="ttdeci">NumericBuilder< FloatType > FloatBuilder</div><div class="ttdef"><b>Definition:</b> builder.h:315</div></div>
+<a href="python_2type__traits_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></
a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// software
distributed under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// Internal header</span></div><div class="line"><a name="l00019"></a><span class="lineno">
19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="platform_8h.html">arrow/python/platform.h</a>"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <cstdint></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="numpy__interop_8h.html">arrow/python/numpy_interop.h</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line
"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <numpy/halffloat.h></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="builder_8h.html">arrow/builder.h</a>"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="type_8h.html">arrow/type.h</a>"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="logging_8h.html">arrow/util/logging.h</a>"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">nam
espace </span><a class="code" href="namespacearrow.html">arrow</a> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>py {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Type traits for Numpy -> Arrow equivalence</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">//</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> TYPE></div><div class="line"
><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">struct </span>npy_traits {};</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">struct </span>npy_traits<NPY_BOOL> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typedef</span> uint8_t value_type;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">using</span> TypeClass = BooleanType;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">using</span> BuilderClass = BooleanBuilder;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </
div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">false</span>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(uint8_t v) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> };</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720"> 53</a></span> <span class="preprocessor">#define NPY_INT_DECL(TYPE, CapType, T) \</span></div><div class="line"><a name="l00054"></a><span c
lass="lineno"> 54</span> <span class="preprocessor"> template <> \</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> struct npy_traits<NPY_##TYPE> { \</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> typedef T value_type; \</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> using TypeClass = CapType##Type; \</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> using BuilderClass = CapType##Builder; \</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> \</span></div
><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> static constexpr bool supports_nulls = false; \</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"> static inline bool isnull(T v) { return false; } \</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"> };</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT8, Int8, int8_t);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT16, Int16, int16_t);</div><div class="line"><a name="l0
0066"></a><span class="lineno"> 66</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT32, Int32, int32_t);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT64, Int64, int64_t);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT8, UInt8, uint8_t);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT16, UInt16, uint16_t);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <a class="code" href=
"python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT32, UInt32, uint32_t);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT64, UInt64, uint64_t);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#if !NPY_INT32_IS_INT && NPY_BITSOF_INT == 32</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(INT, Int32, int32_t);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(UINT, UInt32, uint32_t);</
div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#if !NPY_INT64_IS_LONG_LONG && NPY_BITSOF_LONGLONG == 64</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(LONGLONG, Int64, int64_t);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <a class="code" href="python_2type__traits_8h.html#a46d295fdbaad623f3dfaa80f7f7fe720">NPY_INT_DECL</a>(ULONGLONG, UInt64, uint64_t);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class
="lineno"> 83</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">struct </span>npy_traits<NPY_FLOAT16> {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">typedef</span> npy_half value_type;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">using</span> TypeClass = HalfFloatType;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">using</span> BuilderClass = <a class="code" href="namespacearrow.html#ae87957f6c01fb918bb573f04c5188ca4">HalfFloatBuilder</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</
span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(npy_half v) { <span class="keywordflow">return</span> v == NPY_HALF_NAN; }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> };</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">struct </span>npy_traits<NPY_FLOAT32> {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">typedef</span> <span
class="keywordtype">float</span> value_type;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">using</span> TypeClass = FloatType;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">using</span> BuilderClass = <a class="code" href="namespacearrow.html#afc7f8a9698e4a5b6e8c3884c2cf3aedb">FloatBuilder</a>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</
span> isnull(<span class="keywordtype">float</span> v) { <span class="keywordflow">return</span> v != v; }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> };</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">struct </span>npy_traits<NPY_FLOAT64> {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">typedef</span> <span class="keywordtype">double</span> value_type;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">using</span> TypeClass = DoubleType;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">using</span> B
uilderClass = <a class="code" href="namespacearrow.html#ab98cad76b29efffe92c6c88af8947873">DoubleBuilder</a>;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(<span class="keywordtype">double</span> v) { <span class="keywordflow">return</span> v != v; }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> };</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name=
"l00116"></a><span class="lineno"> 116</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">struct </span>npy_traits<NPY_DATETIME> {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">typedef</span> int64_t value_type;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">using</span> TypeClass = TimestampType;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">using</span> BuilderClass = <a class="code" href="namespacearrow.html#a06c8b697ab3c8b10f4653b088351c4a0">TimestampBuilder</a>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">static</span> constexpr <span cl
ass="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(int64_t v) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// NaT = -2**63</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// = -0x8000000000000000</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// = -9223372036854775808;</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// = std::numeric_limits<int64_t>::min()</span></div><div class="line"><a name="l0012
9"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> v == std::numeric_limits<int64_t>::min();</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> };</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">struct </span>npy_traits<NPY_OBJECT> {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">typedef</span> PyObject* value_type;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_
nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(PyObject* v) { <span class="keywordflow">return</span> v == Py_None; }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> };</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">//</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// Type traits for Arrow -> Numpy equivalence</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// Note *supports_nulls* means the equivalent
Numpy type support nulls</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">//</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> TYPE></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">struct </span>arrow_traits {};</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">struct </span>arrow_traits<Type::BOOL> {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type
= NPY_BOOL;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">false</span>;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> };</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36"> 154</a></span> <span class="preprocessor">#define INT_DECL(TYPE) \</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"> template <> \</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"> struct arrow_traits<Type::
TYPE> { \</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor"> static constexpr int npy_type = NPY_##TYPE; \</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"> static constexpr bool supports_nulls = false; \</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor"> static constexpr double na_value = NAN; \</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"> typedef typename npy_traits<NPY_##TYPE>::value_type T; \</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"> };</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name
="l00163"></a><span class="lineno"> 163</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT8);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT16);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT32);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(INT64);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT8);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&
#160;<a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT16);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT32);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <a class="code" href="python_2type__traits_8h.html#a616cafad04990371dbef7ec2a82edb36">INT_DECL</a>(UINT64);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">struct </span>arrow_traits<Type::HALF_FLOAT> {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">static</span> constexpr
<span class="keywordtype">int</span> npy_type = NPY_FLOAT16;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">static</span> constexpr uint16_t na_value = NPY_HALF_NAN;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_FLOAT16>::value_type T;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> };</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00181"></a>
<span class="lineno"> 181</span> <span class="keyword">struct </span>arrow_traits<Type::FLOAT> {</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_FLOAT32;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">float</span> na_value = NAN;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_FLOAT32>::value_type T;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }
;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">struct </span>arrow_traits<Type::DOUBLE> {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_FLOAT64;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">double</span> na_value = NAN;</div><div class="line"><a n
ame="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_FLOAT64>::value_type T;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> };</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">static</span> constexpr int64_t kPandasTimestampNull = std::numeric_limits<int64_t>::min();</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> constexpr int64_t kNanosecondsInDay = 86400000000000LL;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">template</span> <></div><div
class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">struct </span>arrow_traits<Type::TIMESTAMP> {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_DATETIME;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">static</span> constexpr int64_t npy_shift = 1;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a
name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> };</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">struct </span>arrow_traits<Type::DATE32> {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// Data stores as FR_D day unit</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_DATETIME;</div><div class="line">
<a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">static</span> constexpr int64_t npy_shift = 1;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="k
eyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(int64_t v) { <span class="keywordflow">return</span> npy_traits<NPY_DATETIME>::isnull(v); }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> };</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">struct </span>arrow_traits<Type::DATE64> {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// Data stores as FR_D day unit</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_DATETIME;</di
v><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// There are 1000 * 60 * 60 * 24 = 86400000ms in a day</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">static</span> constexpr int64_t npy_shift = 86400000;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</spa
n> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isnull(int64_t v) { <span class="keywordflow">return</span> npy_traits<NPY_DATETIME>::isnull(v); }</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> };</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">struct </span>arrow_traits<Type::TIME32> {</div><div class="line"><a name="l00240"></a><span class="linen
o"> 240</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">static</span> constexpr int64_t na_value = kPandasTimestampNull;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> };</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="key
word">template</span> <></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">struct </span>arrow_traits<Type::TIME64> {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> npy_traits<NPY_DATETIME>::value_type T;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> };</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><
a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">struct </span>arrow_traits<Type::STRING> {</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> };</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">template</span> <></div><div class="line"><a
name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">struct </span>arrow_traits<Type::BINARY> {</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> npy_type = NPY_OBJECT;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> supports_nulls = <span class="keyword">true</span>;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> };</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> NumPyTypeSize(<span class="keywordtype">int</span> npy_type) {</div><div class="line"><a name=
"l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">switch</span> (npy_type) {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">case</span> NPY_BOOL:</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">case</span> NPY_INT8:</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">case</span> NPY_UINT8:</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">case</span> NPY_INT16:</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>
<TRUNCATED>