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Posted to notifications@commons.apache.org by er...@apache.org on 2016/08/22 22:01:59 UTC
svn commit: r995697 [13/14] - in
/websites/production/commons/content/proper/commons-rng: ./ apidocs/
apidocs/org/apache/commons/rng/ apidocs/org/apache/commons/rng/class-use/
apidocs/org/apache/commons/rng/internal/
apidocs/org/apache/commons/rng/inte...
Modified: websites/production/commons/content/proper/commons-rng/xref/org/apache/commons/rng/RandomSource.html
==============================================================================
--- websites/production/commons/content/proper/commons-rng/xref/org/apache/commons/rng/RandomSource.html (original)
+++ websites/production/commons/content/proper/commons-rng/xref/org/apache/commons/rng/RandomSource.html Mon Aug 22 22:01:58 2016
@@ -24,404 +24,432 @@
<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a> <strong class="jxr_keyword">package</strong> org.apache.commons.rng;
<a class="jxr_linenumber" name="L18" href="#L18">18</a>
-<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.ProviderBuilder;
-<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.BaseProvider;
-<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.util.SeedFactory;
-<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.source64.TwoCmres;
-<a class="jxr_linenumber" name="L23" href="#L23">23</a>
-<a class="jxr_linenumber" name="L24" href="#L24">24</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L25" href="#L25">25</a> <em class="jxr_javadoccomment"> * This class provides the API for creating generators of random numbers.</em>
-<a class="jxr_linenumber" name="L26" href="#L26">26</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L27" href="#L27">27</a> <em class="jxr_javadoccomment"> * Usage examples:</em>
-<a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment"> * <pre><code></em>
-<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT);</em>
-<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * </code></pre></em>
-<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * or</em>
-<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * <pre><code></em>
-<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * final int[] seed = new int[] { 196, 9, 0, 226 };</em>
-<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT, seed);</em>
-<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * </code></pre></em>
-<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * or</em>
-<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * <pre><code></em>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * final int[] seed = RandomSource.createIntArray(256);</em>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT, seed);</em>
-<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * </code></pre></em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * where the first argument to method {@code create} is the identifier</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * of the generator's concrete implementation, and the second the is the</em>
-<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * (optional) seed.</em>
-<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * <br></em>
-<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * In the first form, a random seed will be {@link SeedFactory generated</em>
-<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * automatically}; in the second form, a fixed seed is used; a random seed</em>
-<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * is explicitly generated in the third form.</em>
-<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * Seeding is the procedure by which a value (or set of values) is</em>
-<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * used to <i>initialize</i> a generator instance.</em>
-<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * The requirement that a given seed will always result in the same</em>
-<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> * internal state allows to create different instances of a generator</em>
-<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> * that will produce the same sequence of pseudo-random numbers.</em>
-<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * The type of data used as a seed depends on the concrete implementation</em>
-<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> * as some types may not provide enough information to fully initialize</em>
-<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * the generator's internal state.</em>
-<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * <br></em>
-<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * The reference algorithm's seeding procedure (if provided) operates</em>
-<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * on a value of a (single) <i>native</i> type:</em>
-<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> * Each concrete implementation's constructor creates an instance using</em>
-<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * the native type whose information contents is used to set the</em>
-<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> * internal state.</em>
-<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> * <br></em>
-<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * When the seed value passed by the caller is of the native type, it is</em>
-<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * expected that the sequences produced will be identical to those</em>
-<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> * produced by other implementations of the same reference algorithm.</em>
-<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment"> * <br></em>
-<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> * However, when the seed value passed by the caller is not of the native</em>
-<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * type, a transformation is performed by this library and the resulting</em>
-<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> * native type value will <i>not</i> contain more information than the</em>
-<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> * original seed value.</em>
-<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> * If the algorithm's native type is "simpler" than the type passed by</em>
-<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment"> * the caller, then some (unused) information will even be lost.</em>
-<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment"> * <br></em>
-<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> * The transformation from non-native to native seed type is arbitrary,</em>
-<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment"> * as long as it does not reduce the amount of information required by</em>
-<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em class="jxr_javadoccomment"> * the algorithm to initialize its state.</em>
-<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_javadoccomment"> * The consequence of the transformation is that sequences produced</em>
-<a class="jxr_linenumber" name="L84" href="#L84">84</a> <em class="jxr_javadoccomment"> * by this library may <i>not</i> be the same as the sequences produced</em>
-<a class="jxr_linenumber" name="L85" href="#L85">85</a> <em class="jxr_javadoccomment"> * by other implementations of the same algorithm!</em>
-<a class="jxr_linenumber" name="L86" href="#L86">86</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L87" href="#L87">87</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> * This class provides methods to generate random seeds (single values</em>
-<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> * or arrays of values, of {@code int} or {@code long} types) that can</em>
-<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> * be passed to the {@link RandomSource#create(RandomSource,Object,Object[])</em>
-<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> * generators factory method}.</em>
-<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment"> * <br></em>
-<a class="jxr_linenumber" name="L94" href="#L94">94</a> <em class="jxr_javadoccomment"> * Although the seed-generating methods defined in this class will likely</em>
-<a class="jxr_linenumber" name="L95" href="#L95">95</a> <em class="jxr_javadoccomment"> * return different values each time they are called, there is no guarantee</em>
-<a class="jxr_linenumber" name="L96" href="#L96">96</a> <em class="jxr_javadoccomment"> * that the resulting "seed" will always generate a <i>good</i> (i.e.</em>
-<a class="jxr_linenumber" name="L97" href="#L97">97</a> <em class="jxr_javadoccomment"> * sufficiently uniformly random for the intended purpose) sequence of</em>
-<a class="jxr_linenumber" name="L98" href="#L98">98</a> <em class="jxr_javadoccomment"> * numbers, even if the generator is good!</em>
-<a class="jxr_linenumber" name="L99" href="#L99">99</a> <em class="jxr_javadoccomment"> * The only way to ensure that the selected seed will make the generator</em>
-<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment"> * produce a good sequence is to submit that sequence to a series of</em>
-<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment"> * stringent tests, as provided by tools such as</em>
-<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment"> * <a href="<a href="http://www.phy.duke.edu/~rgb/General/dieharder.php" target="alexandria_uri">http://www.phy.duke.edu/~rgb/General/dieharder.php</a>">dieharder</a></em>
-<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment"> * or <a href="<a href="http://simul.iro.umontreal.ca/testu01/tu01.html" target="alexandria_uri">http://simul.iro.umontreal.ca/testu01/tu01.html</a>">TestU01</a>.</em>
-<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment"> * The current implementations have no provision for producing non-overlapping</em>
-<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment"> * sequences.</em>
-<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment"> * For parallel applications, a possible workaround is that each thread uses</em>
-<a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment"> * a generator of a different type (see {@link #TWO_CMRES_SELECT}).</em>
-<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> * <b>Note:</b></em>
-<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> * Seeding is not equivalent to restoring the internal state of an</em>
-<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment"> * <i>already initialized</i> generator.</em>
-<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment"> * Indeed, generators can have a state that is more complex than the</em>
-<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> * seed, and seeding is thus a transformation (from seed to state).</em>
-<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> * Implementations do not provide the inverse transformation (from</em>
-<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment"> * state to seed), hence it is not generally possible to know the seed</em>
-<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> * that would initialize a new generator instance to the current state</em>
-<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> * of another instance.</em>
-<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> * Reseeding is also inefficient if the purpose is to continue the</em>
-<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment"> * same sequence where another instance left off, as it would require</em>
-<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment"> * to "replay" all the calls performed by that other instance (and it</em>
-<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment"> * would require to know the number of calls to the primary source of</em>
-<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment"> * randomness, which is also not usually accessible).</em>
-<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment"> * <br></em>
-<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment"> * This factory thus provides a method for</em>
-<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment"> * {@link #saveState(UniformRandomProvider) saving} the internal</em>
-<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment"> * state of a generator.</em>
-<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment"> * The state is encapsulated in an {@link State "opaque object"} to be</em>
-<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment"> * used for {@link #restoreState(UniformRandomProvider,State) restoring}</em>
-<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment"> * a generator (of the same type) to an identical state (e.g. to allow</em>
-<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment"> * persistent storage, or to continue a sequence from where the original</em>
-<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment"> * instance left off).</em>
-<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment"> * @since 1.0</em>
-<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L141" href="#L141">141</a> <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/apache/commons/rng/RandomSource.html">RandomSource</a> {
-<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.JDKRandom}.</em>
-<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Long}.</em>
-<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L146" href="#L146">146</a> JDK(ProviderBuilder.RandomSourceInternal.JDK),
-<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well512a}.</em>
-<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L151" href="#L151">151</a> WELL_512_A(ProviderBuilder.RandomSourceInternal.WELL_512_A),
-<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well1024a}.</em>
-<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L156" href="#L156">156</a> WELL_1024_A(ProviderBuilder.RandomSourceInternal.WELL_1024_A),
-<a class="jxr_linenumber" name="L157" href="#L157">157</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L158" href="#L158">158</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well19937a}.</em>
-<a class="jxr_linenumber" name="L159" href="#L159">159</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L160" href="#L160">160</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L161" href="#L161">161</a> WELL_19937_A(ProviderBuilder.RandomSourceInternal.WELL_19937_A),
-<a class="jxr_linenumber" name="L162" href="#L162">162</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well19937c}.</em>
-<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L166" href="#L166">166</a> WELL_19937_C(ProviderBuilder.RandomSourceInternal.WELL_19937_C),
-<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well44497a}.</em>
-<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L171" href="#L171">171</a> WELL_44497_A(ProviderBuilder.RandomSourceInternal.WELL_44497_A),
-<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well44497b}.</em>
-<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L176" href="#L176">176</a> WELL_44497_B(ProviderBuilder.RandomSourceInternal.WELL_44497_B),
-<a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.MersenneTwister}.</em>
-<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L181" href="#L181">181</a> MT(ProviderBuilder.RandomSourceInternal.MT),
-<a class="jxr_linenumber" name="L182" href="#L182">182</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L183" href="#L183">183</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.ISAACRandom}.</em>
-<a class="jxr_linenumber" name="L184" href="#L184">184</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
-<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L186" href="#L186">186</a> ISAAC(ProviderBuilder.RandomSourceInternal.ISAAC),
-<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.SplitMix64}.</em>
-<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Long}.</em>
-<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L191" href="#L191">191</a> SPLIT_MIX_64(ProviderBuilder.RandomSourceInternal.SPLIT_MIX_64),
-<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L193" href="#L193">193</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.XorShift1024Star}.</em>
-<a class="jxr_linenumber" name="L194" href="#L194">194</a> <em class="jxr_javadoccomment"> * Native seed type: {@code long[]}.</em>
-<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L196" href="#L196">196</a> XOR_SHIFT_1024_S(ProviderBuilder.RandomSourceInternal.XOR_SHIFT_1024_S),
-<a class="jxr_linenumber" name="L197" href="#L197">197</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L198" href="#L198">198</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.TwoCmres}.</em>
-<a class="jxr_linenumber" name="L199" href="#L199">199</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Integer}.</em>
-<a class="jxr_linenumber" name="L200" href="#L200">200</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L201" href="#L201">201</a> TWO_CMRES(ProviderBuilder.RandomSourceInternal.TWO_CMRES),
-<a class="jxr_linenumber" name="L202" href="#L202">202</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.TwoCmres},</em>
-<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_javadoccomment"> * with explicit selection of the two subcycle generators.</em>
-<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Integer}.</em>
-<a class="jxr_linenumber" name="L206" href="#L206">206</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L207" href="#L207">207</a> TWO_CMRES_SELECT(ProviderBuilder.RandomSourceInternal.TWO_CMRES_SELECT),
-<a class="jxr_linenumber" name="L208" href="#L208">208</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L209" href="#L209">209</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.MersenneTwister64}.</em>
-<a class="jxr_linenumber" name="L210" href="#L210">210</a> <em class="jxr_javadoccomment"> * Native seed type: {@code long[]}.</em>
-<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L212" href="#L212">212</a> MT_64(ProviderBuilder.RandomSourceInternal.MT_64);
-<a class="jxr_linenumber" name="L213" href="#L213">213</a>
-<a class="jxr_linenumber" name="L214" href="#L214">214</a> <em class="jxr_javadoccomment">/** Internal identifier. */</em>
-<a class="jxr_linenumber" name="L215" href="#L215">215</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ProviderBuilder.RandomSourceInternal internalIdentifier;
-<a class="jxr_linenumber" name="L216" href="#L216">216</a>
-<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_javadoccomment"> * @param id Internal identifier.</em>
-<a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L220" href="#L220">220</a> <a href="../../../../org/apache/commons/rng/RandomSource.html">RandomSource</a>(ProviderBuilder.RandomSourceInternal id) {
-<a class="jxr_linenumber" name="L221" href="#L221">221</a> internalIdentifier = id;
-<a class="jxr_linenumber" name="L222" href="#L222">222</a> }
-<a class="jxr_linenumber" name="L223" href="#L223">223</a>
-<a class="jxr_linenumber" name="L224" href="#L224">224</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L225" href="#L225">225</a> <em class="jxr_javadoccomment"> * @return the internal identifier.</em>
-<a class="jxr_linenumber" name="L226" href="#L226">226</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L227" href="#L227">227</a> ProviderBuilder.RandomSourceInternal getInternalIdentifier() {
-<a class="jxr_linenumber" name="L228" href="#L228">228</a> <strong class="jxr_keyword">return</strong> internalIdentifier;
-<a class="jxr_linenumber" name="L229" href="#L229">229</a> }
-<a class="jxr_linenumber" name="L230" href="#L230">230</a>
-<a class="jxr_linenumber" name="L231" href="#L231">231</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L232" href="#L232">232</a> <em class="jxr_javadoccomment"> * Checks whether the type of given {@code seed} is the native type</em>
-<a class="jxr_linenumber" name="L233" href="#L233">233</a> <em class="jxr_javadoccomment"> * of the implementation.</em>
-<a class="jxr_linenumber" name="L234" href="#L234">234</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L235" href="#L235">235</a> <em class="jxr_javadoccomment"> * @param seed Seed value.</em>
-<a class="jxr_linenumber" name="L236" href="#L236">236</a> <em class="jxr_javadoccomment"> * @return {@code true} if the type of {@code seed} is the native</em>
-<a class="jxr_linenumber" name="L237" href="#L237">237</a> <em class="jxr_javadoccomment"> * type for this RNG source.</em>
-<a class="jxr_linenumber" name="L238" href="#L238">238</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L239" href="#L239">239</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isNativeSeed(Object seed) {
-<a class="jxr_linenumber" name="L240" href="#L240">240</a> <strong class="jxr_keyword">return</strong> internalIdentifier.isNativeSeed(seed);
-<a class="jxr_linenumber" name="L241" href="#L241">241</a> }
+<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> java.util.Arrays;
+<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.ProviderBuilder;
+<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.BaseProvider;
+<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.util.SeedFactory;
+<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.source64.TwoCmres;
+<a class="jxr_linenumber" name="L24" href="#L24">24</a>
+<a class="jxr_linenumber" name="L25" href="#L25">25</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L26" href="#L26">26</a> <em class="jxr_javadoccomment"> * This class provides the API for creating generators of random numbers.</em>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment"> * Usage examples:</em>
+<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> * <pre><code></em>
+<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT);</em>
+<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * </code></pre></em>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * or</em>
+<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * <pre><code></em>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * final int[] seed = new int[] { 196, 9, 0, 226 };</em>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT, seed);</em>
+<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * </code></pre></em>
+<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * or</em>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * <pre><code></em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * final int[] seed = RandomSource.createIntArray(256);</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT, seed);</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * </code></pre></em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * where the first argument to method {@code create} is the identifier</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * of the generator's concrete implementation, and the second the is the</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * (optional) seed.</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * <br></em>
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * In the first form, a random seed will be {@link SeedFactory generated</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * automatically}; in the second form, a fixed seed is used; a random seed</em>
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * is explicitly generated in the third form.</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * Seeding is the procedure by which a value (or set of values) is</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * used to <i>initialize</i> a generator instance.</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> * The requirement that a given seed will always result in the same</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> * internal state allows to create different instances of a generator</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * that will produce the same sequence of pseudo-random numbers.</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> * The type of data used as a seed depends on the concrete implementation</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * as some types may not provide enough information to fully initialize</em>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * the generator's internal state.</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * <br></em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * The reference algorithm's seeding procedure (if provided) operates</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> * on a value of a (single) <i>native</i> type:</em>
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * Each concrete implementation's constructor creates an instance using</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> * the native type whose information contents is used to set the</em>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> * internal state.</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * <br></em>
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * When the seed value passed by the caller is of the native type, it is</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> * expected that the sequences produced will be identical to those</em>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment"> * produced by other implementations of the same reference algorithm.</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> * <br></em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * However, when the seed value passed by the caller is not of the native</em>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> * type, a transformation is performed by this library and the resulting</em>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> * native type value will <i>not</i> contain more information than the</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> * original seed value.</em>
+<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment"> * If the algorithm's native type is "simpler" than the type passed by</em>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment"> * the caller, then some (unused) information will even be lost.</em>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> * <br></em>
+<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment"> * The transformation from non-native to native seed type is arbitrary,</em>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em class="jxr_javadoccomment"> * as long as it does not reduce the amount of information required by</em>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_javadoccomment"> * the algorithm to initialize its state.</em>
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> <em class="jxr_javadoccomment"> * The consequence of the transformation is that sequences produced</em>
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> <em class="jxr_javadoccomment"> * by this library may <i>not</i> be the same as the sequences produced</em>
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> <em class="jxr_javadoccomment"> * by other implementations of the same algorithm!</em>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> * This class provides methods to generate random seeds (single values</em>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> * or arrays of values, of {@code int} or {@code long} types) that can</em>
+<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> * be passed to the {@link RandomSource#create(RandomSource,Object,Object[])</em>
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment"> * generators factory method}.</em>
+<a class="jxr_linenumber" name="L94" href="#L94">94</a> <em class="jxr_javadoccomment"> * <br></em>
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> <em class="jxr_javadoccomment"> * Although the seed-generating methods defined in this class will likely</em>
+<a class="jxr_linenumber" name="L96" href="#L96">96</a> <em class="jxr_javadoccomment"> * return different values each time they are called, there is no guarantee</em>
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> <em class="jxr_javadoccomment"> * that the resulting "seed" will always generate a <i>good</i> (i.e.</em>
+<a class="jxr_linenumber" name="L98" href="#L98">98</a> <em class="jxr_javadoccomment"> * sufficiently uniformly random for the intended purpose) sequence of</em>
+<a class="jxr_linenumber" name="L99" href="#L99">99</a> <em class="jxr_javadoccomment"> * numbers, even if the generator is good!</em>
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment"> * The only way to ensure that the selected seed will make the generator</em>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment"> * produce a good sequence is to submit that sequence to a series of</em>
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment"> * stringent tests, as provided by tools such as</em>
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment"> * <a href="<a href="http://www.phy.duke.edu/~rgb/General/dieharder.php" target="alexandria_uri">http://www.phy.duke.edu/~rgb/General/dieharder.php</a>">dieharder</a></em>
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment"> * or <a href="<a href="http://simul.iro.umontreal.ca/testu01/tu01.html" target="alexandria_uri">http://simul.iro.umontreal.ca/testu01/tu01.html</a>">TestU01</a>.</em>
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment"> * The current implementations have no provision for producing non-overlapping</em>
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment"> * sequences.</em>
+<a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment"> * For parallel applications, a possible workaround is that each thread uses</em>
+<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment"> * a generator of a different type (see {@link #TWO_CMRES_SELECT}).</em>
+<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> * <b>Note:</b></em>
+<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment"> * Seeding is not equivalent to restoring the internal state of an</em>
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment"> * <i>already initialized</i> generator.</em>
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> * Indeed, generators can have a state that is more complex than the</em>
+<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> * seed, and seeding is thus a transformation (from seed to state).</em>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment"> * Implementations do not provide the inverse transformation (from</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> * state to seed), hence it is not generally possible to know the seed</em>
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> * that would initialize a new generator instance to the current state</em>
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> * of another instance.</em>
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment"> * Reseeding is also inefficient if the purpose is to continue the</em>
+<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment"> * same sequence where another instance left off, as it would require</em>
+<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment"> * to "replay" all the calls performed by that other instance (and it</em>
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment"> * would require to know the number of calls to the primary source of</em>
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment"> * randomness, which is also not usually accessible).</em>
+<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment"> * <br></em>
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment"> * This factory thus provides a method for</em>
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment"> * {@link #saveState(UniformRandomProvider) saving} the internal</em>
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment"> * state of a generator.</em>
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment"> * The state is wrapped in an {@link SourceState "opaque object"} to be</em>
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment"> * used for {@link #restoreState(UniformRandomProvider,SourceState) restoring}</em>
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment"> * a generator (of the same type) to an identical state (e.g. to allow</em>
+<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment"> * persistent storage, or to continue a sequence from where the original</em>
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment"> * instance left off).</em>
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment"> * @since 1.0</em>
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/apache/commons/rng/RandomSource.html">RandomSource</a> {
+<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.JDKRandom}.</em>
+<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Long}.</em>
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L147" href="#L147">147</a> JDK(ProviderBuilder.RandomSourceInternal.JDK),
+<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well512a}.</em>
+<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L152" href="#L152">152</a> WELL_512_A(ProviderBuilder.RandomSourceInternal.WELL_512_A),
+<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well1024a}.</em>
+<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L157" href="#L157">157</a> WELL_1024_A(ProviderBuilder.RandomSourceInternal.WELL_1024_A),
+<a class="jxr_linenumber" name="L158" href="#L158">158</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L159" href="#L159">159</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well19937a}.</em>
+<a class="jxr_linenumber" name="L160" href="#L160">160</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L161" href="#L161">161</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L162" href="#L162">162</a> WELL_19937_A(ProviderBuilder.RandomSourceInternal.WELL_19937_A),
+<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well19937c}.</em>
+<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L167" href="#L167">167</a> WELL_19937_C(ProviderBuilder.RandomSourceInternal.WELL_19937_C),
+<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well44497a}.</em>
+<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L172" href="#L172">172</a> WELL_44497_A(ProviderBuilder.RandomSourceInternal.WELL_44497_A),
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.Well44497b}.</em>
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L176" href="#L176">176</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> WELL_44497_B(ProviderBuilder.RandomSourceInternal.WELL_44497_B),
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.MersenneTwister}.</em>
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> MT(ProviderBuilder.RandomSourceInternal.MT),
+<a class="jxr_linenumber" name="L183" href="#L183">183</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L184" href="#L184">184</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source32.ISAACRandom}.</em>
+<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em class="jxr_javadoccomment"> * Native seed type: {@code int[]}.</em>
+<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L187" href="#L187">187</a> ISAAC(ProviderBuilder.RandomSourceInternal.ISAAC),
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.SplitMix64}.</em>
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Long}.</em>
+<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L192" href="#L192">192</a> SPLIT_MIX_64(ProviderBuilder.RandomSourceInternal.SPLIT_MIX_64),
+<a class="jxr_linenumber" name="L193" href="#L193">193</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L194" href="#L194">194</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.XorShift1024Star}.</em>
+<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_javadoccomment"> * Native seed type: {@code long[]}.</em>
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L197" href="#L197">197</a> XOR_SHIFT_1024_S(ProviderBuilder.RandomSourceInternal.XOR_SHIFT_1024_S),
+<a class="jxr_linenumber" name="L198" href="#L198">198</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L199" href="#L199">199</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.TwoCmres}.</em>
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Integer}.</em>
+<a class="jxr_linenumber" name="L201" href="#L201">201</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L202" href="#L202">202</a> TWO_CMRES(ProviderBuilder.RandomSourceInternal.TWO_CMRES),
+<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.TwoCmres},</em>
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_javadoccomment"> * with explicit selection of the two subcycle generators.</em>
+<a class="jxr_linenumber" name="L206" href="#L206">206</a> <em class="jxr_javadoccomment"> * Native seed type: {@code Integer}.</em>
+<a class="jxr_linenumber" name="L207" href="#L207">207</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> TWO_CMRES_SELECT(ProviderBuilder.RandomSourceInternal.TWO_CMRES_SELECT),
+<a class="jxr_linenumber" name="L209" href="#L209">209</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L210" href="#L210">210</a> <em class="jxr_javadoccomment"> * Source of randomness is {@link org.apache.commons.rng.internal.source64.MersenneTwister64}.</em>
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em class="jxr_javadoccomment"> * Native seed type: {@code long[]}.</em>
+<a class="jxr_linenumber" name="L212" href="#L212">212</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L213" href="#L213">213</a> MT_64(ProviderBuilder.RandomSourceInternal.MT_64);
+<a class="jxr_linenumber" name="L214" href="#L214">214</a>
+<a class="jxr_linenumber" name="L215" href="#L215">215</a> <em class="jxr_javadoccomment">/** Internal identifier. */</em>
+<a class="jxr_linenumber" name="L216" href="#L216">216</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ProviderBuilder.RandomSourceInternal internalIdentifier;
+<a class="jxr_linenumber" name="L217" href="#L217">217</a>
+<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_javadoccomment"> * Wraps the internal state of a {@link UniformRandomProvider}.</em>
+<a class="jxr_linenumber" name="L220" href="#L220">220</a> <em class="jxr_javadoccomment"> * Its purpose is to store all the data needed to recover the same</em>
+<a class="jxr_linenumber" name="L221" href="#L221">221</a> <em class="jxr_javadoccomment"> * state in order to restart a sequence where it left off.</em>
+<a class="jxr_linenumber" name="L222" href="#L222">222</a> <em class="jxr_javadoccomment"> * External code should not to modify the data contained in instances</em>
+<a class="jxr_linenumber" name="L223" href="#L223">223</a> <em class="jxr_javadoccomment"> * of this class.</em>
+<a class="jxr_linenumber" name="L224" href="#L224">224</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L225" href="#L225">225</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/rng/RandomSource.html">State</a> {
+<a class="jxr_linenumber" name="L226" href="#L226">226</a> <em class="jxr_javadoccomment">/** Internal state. */</em>
+<a class="jxr_linenumber" name="L227" href="#L227">227</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] state;
+<a class="jxr_linenumber" name="L228" href="#L228">228</a>
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L230" href="#L230">230</a> <em class="jxr_javadoccomment"> * Initializes an instance.</em>
+<a class="jxr_linenumber" name="L231" href="#L231">231</a> <em class="jxr_javadoccomment"> * The contents of the {@code state} argument is unspecified, and is</em>
+<a class="jxr_linenumber" name="L232" href="#L232">232</a> <em class="jxr_javadoccomment"> * guaranteed to be valid only if it was generated by implementations</em>
+<a class="jxr_linenumber" name="L233" href="#L233">233</a> <em class="jxr_javadoccomment"> * provided by this library.</em>
+<a class="jxr_linenumber" name="L234" href="#L234">234</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L235" href="#L235">235</a> <em class="jxr_javadoccomment"> * @param state Mapping of all the data which an implementation of</em>
+<a class="jxr_linenumber" name="L236" href="#L236">236</a> <em class="jxr_javadoccomment"> * {@link UniformRandomProvider} needs in order to reset its internal</em>
+<a class="jxr_linenumber" name="L237" href="#L237">237</a> <em class="jxr_javadoccomment"> * state.</em>
+<a class="jxr_linenumber" name="L238" href="#L238">238</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L239" href="#L239">239</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/rng/RandomSource.html">State</a>(byte[] state) {
+<a class="jxr_linenumber" name="L240" href="#L240">240</a> <strong class="jxr_keyword">this</strong>.state = Arrays.copyOf(state, state.length);
+<a class="jxr_linenumber" name="L241" href="#L241">241</a> }
<a class="jxr_linenumber" name="L242" href="#L242">242</a>
-<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment"> * Marker interface used to define the "save" and "restore"</em>
-<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment"> * functionality of the generators.</em>
-<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L247" href="#L247">247</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> <a href="../../../../org/apache/commons/rng/internal/BaseProvider.html">State</a> {}
-<a class="jxr_linenumber" name="L248" href="#L248">248</a>
-<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L250" href="#L250">250</a> <em class="jxr_javadoccomment"> * Creates a random number generator with a random seed.</em>
-<a class="jxr_linenumber" name="L251" href="#L251">251</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L252" href="#L252">252</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L253" href="#L253">253</a> <em class="jxr_javadoccomment"> * Example of usage:</em>
-<a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment"> * <pre><code></em>
-<a class="jxr_linenumber" name="L255" href="#L255">255</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT);</em>
-<a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment"> * </code></pre></em>
-<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment"> * @param source RNG type.</em>
-<a class="jxr_linenumber" name="L260" href="#L260">260</a> <em class="jxr_javadoccomment"> * @return the RNG.</em>
-<a class="jxr_linenumber" name="L261" href="#L261">261</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L262" href="#L262">262</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/commons/rng/UniformRandomProvider.html">UniformRandomProvider</a> create(<a href="../../../../org/apache/commons/rng/RandomSource.html">RandomSource</a> source) {
-<a class="jxr_linenumber" name="L263" href="#L263">263</a> <strong class="jxr_keyword">return</strong> create(source, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="L264" href="#L264">264</a> }
-<a class="jxr_linenumber" name="L265" href="#L265">265</a>
-<a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L267" href="#L267">267</a> <em class="jxr_javadoccomment"> * Creates a random number generator with the given {@code seed}.</em>
+<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment"> * @return the internal state.</em>
+<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L246" href="#L246">246</a> <strong class="jxr_keyword">public</strong> byte[] getState() {
+<a class="jxr_linenumber" name="L247" href="#L247">247</a> <strong class="jxr_keyword">return</strong> Arrays.copyOf(state, state.length);
+<a class="jxr_linenumber" name="L248" href="#L248">248</a> }
+<a class="jxr_linenumber" name="L249" href="#L249">249</a> }
+<a class="jxr_linenumber" name="L250" href="#L250">250</a>
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L252" href="#L252">252</a> <em class="jxr_javadoccomment"> * @param id Internal identifier.</em>
+<a class="jxr_linenumber" name="L253" href="#L253">253</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L254" href="#L254">254</a> <a href="../../../../org/apache/commons/rng/RandomSource.html">RandomSource</a>(ProviderBuilder.RandomSourceInternal id) {
+<a class="jxr_linenumber" name="L255" href="#L255">255</a> internalIdentifier = id;
+<a class="jxr_linenumber" name="L256" href="#L256">256</a> }
+<a class="jxr_linenumber" name="L257" href="#L257">257</a>
+<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment"> * @return the internal identifier.</em>
+<a class="jxr_linenumber" name="L260" href="#L260">260</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L261" href="#L261">261</a> ProviderBuilder.RandomSourceInternal getInternalIdentifier() {
+<a class="jxr_linenumber" name="L262" href="#L262">262</a> <strong class="jxr_keyword">return</strong> internalIdentifier;
+<a class="jxr_linenumber" name="L263" href="#L263">263</a> }
+<a class="jxr_linenumber" name="L264" href="#L264">264</a>
+<a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_javadoccomment"> * Checks whether the type of given {@code seed} is the native type</em>
+<a class="jxr_linenumber" name="L267" href="#L267">267</a> <em class="jxr_javadoccomment"> * of the implementation.</em>
<a class="jxr_linenumber" name="L268" href="#L268">268</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L270" href="#L270">270</a> <em class="jxr_javadoccomment"> * Example of usage:</em>
-<a class="jxr_linenumber" name="L271" href="#L271">271</a> <em class="jxr_javadoccomment"> * <pre><code></em>
-<a class="jxr_linenumber" name="L272" href="#L272">272</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.TWO_CMRES_SELECT, 26219, 6, 9);</em>
-<a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_javadoccomment"> * </code></pre></em>
-<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment"> * Valid types for the {@code seed} are:</em>
-<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment"> * <ul></em>
-<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_javadoccomment"> * <li>{@code Integer} (or {@code int})</li></em>
-<a class="jxr_linenumber" name="L280" href="#L280">280</a> <em class="jxr_javadoccomment"> * <li>{@code Long} (or {@code long})</li></em>
-<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em class="jxr_javadoccomment"> * <li>{@code int[]}</li></em>
-<a class="jxr_linenumber" name="L282" href="#L282">282</a> <em class="jxr_javadoccomment"> * <li>{@code long[]}</li></em>
-<a class="jxr_linenumber" name="L283" href="#L283">283</a> <em class="jxr_javadoccomment"> * </ul></em>
-<a class="jxr_linenumber" name="L284" href="#L284">284</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L285" href="#L285">285</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L286" href="#L286">286</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_javadoccomment"> * Notes:</em>
-<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment"> * <ul></em>
-<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment"> * <li></em>
-<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment"> * When the seed type passed as argument is more complex (i.e. more</em>
-<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment"> * bits can be independently chosen) than the generator's</em>
-<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment"> * {@link #isNativeSeed(Object) native type}, the conversion of a</em>
-<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment"> * set of different seeds will necessarily result in the same value</em>
-<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment"> * of the native seed type.</em>
-<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment"> * </li></em>
-<a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_javadoccomment"> * <li></em>
-<a class="jxr_linenumber" name="L297" href="#L297">297</a> <em class="jxr_javadoccomment"> * When the native seed type is an array, the same remark applies</em>
-<a class="jxr_linenumber" name="L298" href="#L298">298</a> <em class="jxr_javadoccomment"> * when the array contains more bits than the state of the generator.</em>
-<a class="jxr_linenumber" name="L299" href="#L299">299</a> <em class="jxr_javadoccomment"> * </li></em>
-<a class="jxr_linenumber" name="L300" href="#L300">300</a> <em class="jxr_javadoccomment"> * <li></em>
-<a class="jxr_linenumber" name="L301" href="#L301">301</a> <em class="jxr_javadoccomment"> * When the native seed type is an array and the {@code seed} is</em>
-<a class="jxr_linenumber" name="L302" href="#L302">302</a> <em class="jxr_javadoccomment"> * {@code null}, the size of the generated array will be 128.</em>
-<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment"> * </li></em>
-<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment"> * </ul></em>
-<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_javadoccomment"> * @param source RNG type.</em>
-<a class="jxr_linenumber" name="L308" href="#L308">308</a> <em class="jxr_javadoccomment"> * @param seed Seed value. It can be {@code null} (in which case a</em>
-<a class="jxr_linenumber" name="L309" href="#L309">309</a> <em class="jxr_javadoccomment"> * random value will be used).</em>
-<a class="jxr_linenumber" name="L310" href="#L310">310</a> <em class="jxr_javadoccomment"> * @param data Additional arguments to the implementation's constructor.</em>
-<a class="jxr_linenumber" name="L311" href="#L311">311</a> <em class="jxr_javadoccomment"> * Please refer to the documentation of each specific implementation.</em>
-<a class="jxr_linenumber" name="L312" href="#L312">312</a> <em class="jxr_javadoccomment"> * @return the RNG.</em>
-<a class="jxr_linenumber" name="L313" href="#L313">313</a> <em class="jxr_javadoccomment"> * @throws UnsupportedOperationException if the type of the {@code seed}</em>
-<a class="jxr_linenumber" name="L314" href="#L314">314</a> <em class="jxr_javadoccomment"> * is invalid.</em>
-<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_javadoccomment"> * @throws IllegalStateException if data is missing to initialize the</em>
-<a class="jxr_linenumber" name="L316" href="#L316">316</a> <em class="jxr_javadoccomment"> * generator implemented by the given {@code source}.</em>
-<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L318" href="#L318">318</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/commons/rng/UniformRandomProvider.html">UniformRandomProvider</a> create(<a href="../../../../org/apache/commons/rng/RandomSource.html">RandomSource</a> source,
-<a class="jxr_linenumber" name="L319" href="#L319">319</a> Object seed,
-<a class="jxr_linenumber" name="L320" href="#L320">320</a> Object ... data) {
-<a class="jxr_linenumber" name="L321" href="#L321">321</a> <strong class="jxr_keyword">return</strong> ProviderBuilder.create(source.getInternalIdentifier(), seed, data);
-<a class="jxr_linenumber" name="L322" href="#L322">322</a> }
-<a class="jxr_linenumber" name="L323" href="#L323">323</a>
-<a class="jxr_linenumber" name="L324" href="#L324">324</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L325" href="#L325">325</a> <em class="jxr_javadoccomment"> * Gets the number of elements of the set of "subcycle" generators from</em>
-<a class="jxr_linenumber" name="L326" href="#L326">326</a> <em class="jxr_javadoccomment"> * which two can be selected in order to create a {@link TwoCmres} RNG.</em>
-<a class="jxr_linenumber" name="L327" href="#L327">327</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L328" href="#L328">328</a> <em class="jxr_javadoccomment"> * @return the number of implemented subcycle generators.</em>
-<a class="jxr_linenumber" name="L329" href="#L329">329</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L330" href="#L330">330</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> numberOfCmresGenerators() {
-<a class="jxr_linenumber" name="L331" href="#L331">331</a> <strong class="jxr_keyword">return</strong> TwoCmres.numberOfSubcycleGenerators();
-<a class="jxr_linenumber" name="L332" href="#L332">332</a> }
-<a class="jxr_linenumber" name="L333" href="#L333">333</a>
-<a class="jxr_linenumber" name="L334" href="#L334">334</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L335" href="#L335">335</a> <em class="jxr_javadoccomment"> * Saves the state of a RNG.</em>
-<a class="jxr_linenumber" name="L336" href="#L336">336</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L337" href="#L337">337</a> <em class="jxr_javadoccomment"> * @param provider Provider.</em>
-<a class="jxr_linenumber" name="L338" href="#L338">338</a> <em class="jxr_javadoccomment"> * @return the current state of the given {@code provider}.</em>
-<a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_javadoccomment"> * @throws UnsupportedOperationException if the {@code provider} is</em>
-<a class="jxr_linenumber" name="L340" href="#L340">340</a> <em class="jxr_javadoccomment"> * not an object created by this factory or the underlying source of</em>
-<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment"> * randomness does not support this functionality.</em>
-<a class="jxr_linenumber" name="L342" href="#L342">342</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L343" href="#L343">343</a> <em class="jxr_javadoccomment"> * @see #restoreState(UniformRandomProvider,RandomSource.State)</em>
-<a class="jxr_linenumber" name="L344" href="#L344">344</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L345" href="#L345">345</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/commons/rng/internal/BaseProvider.html">State</a> saveState(<a href="../../../../org/apache/commons/rng/UniformRandomProvider.html">UniformRandomProvider</a> provider) {
-<a class="jxr_linenumber" name="L346" href="#L346">346</a> <strong class="jxr_keyword">if</strong> (!(provider instanceof BaseProvider)) {
-<a class="jxr_linenumber" name="L347" href="#L347">347</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
-<a class="jxr_linenumber" name="L348" href="#L348">348</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L349" href="#L349">349</a> <strong class="jxr_keyword">return</strong> ((BaseProvider) provider).getState();
-<a class="jxr_linenumber" name="L350" href="#L350">350</a> }
-<a class="jxr_linenumber" name="L351" href="#L351">351</a> }
-<a class="jxr_linenumber" name="L352" href="#L352">352</a>
-<a class="jxr_linenumber" name="L353" href="#L353">353</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L354" href="#L354">354</a> <em class="jxr_javadoccomment"> * Restores the state of a RNG.</em>
+<a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_javadoccomment"> * @param seed Seed value.</em>
+<a class="jxr_linenumber" name="L270" href="#L270">270</a> <em class="jxr_javadoccomment"> * @return {@code true} if the type of {@code seed} is the native</em>
+<a class="jxr_linenumber" name="L271" href="#L271">271</a> <em class="jxr_javadoccomment"> * type for this RNG source.</em>
+<a class="jxr_linenumber" name="L272" href="#L272">272</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isNativeSeed(Object seed) {
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <strong class="jxr_keyword">return</strong> internalIdentifier.isNativeSeed(seed);
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> }
+<a class="jxr_linenumber" name="L276" href="#L276">276</a>
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment"> * Creates a random number generator with a random seed.</em>
+<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L280" href="#L280">280</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em class="jxr_javadoccomment"> * Example of usage:</em>
+<a class="jxr_linenumber" name="L282" href="#L282">282</a> <em class="jxr_javadoccomment"> * <pre><code></em>
+<a class="jxr_linenumber" name="L283" href="#L283">283</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.MT);</em>
+<a class="jxr_linenumber" name="L284" href="#L284">284</a> <em class="jxr_javadoccomment"> * </code></pre></em>
+<a class="jxr_linenumber" name="L285" href="#L285">285</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L286" href="#L286">286</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_javadoccomment"> * @param source RNG type.</em>
+<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment"> * @return the RNG.</em>
+<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L290" href="#L290">290</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/commons/rng/UniformRandomProvider.html">UniformRandomProvider</a> create(<a href="../../../../org/apache/commons/rng/RandomSource.html">RandomSource</a> source) {
+<a class="jxr_linenumber" name="L291" href="#L291">291</a> <strong class="jxr_keyword">return</strong> create(source, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="L292" href="#L292">292</a> }
+<a class="jxr_linenumber" name="L293" href="#L293">293</a>
+<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment"> * Creates a random number generator with the given {@code seed}.</em>
+<a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L297" href="#L297">297</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L298" href="#L298">298</a> <em class="jxr_javadoccomment"> * Example of usage:</em>
+<a class="jxr_linenumber" name="L299" href="#L299">299</a> <em class="jxr_javadoccomment"> * <pre><code></em>
+<a class="jxr_linenumber" name="L300" href="#L300">300</a> <em class="jxr_javadoccomment"> * UniformRandomProvider rng = RandomSource.create(RandomSource.TWO_CMRES_SELECT, 26219, 6, 9);</em>
+<a class="jxr_linenumber" name="L301" href="#L301">301</a> <em class="jxr_javadoccomment"> * </code></pre></em>
+<a class="jxr_linenumber" name="L302" href="#L302">302</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment"> * Valid types for the {@code seed} are:</em>
+<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment"> * <ul></em>
+<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_javadoccomment"> * <li>{@code Integer} (or {@code int})</li></em>
+<a class="jxr_linenumber" name="L308" href="#L308">308</a> <em class="jxr_javadoccomment"> * <li>{@code Long} (or {@code long})</li></em>
+<a class="jxr_linenumber" name="L309" href="#L309">309</a> <em class="jxr_javadoccomment"> * <li>{@code int[]}</li></em>
+<a class="jxr_linenumber" name="L310" href="#L310">310</a> <em class="jxr_javadoccomment"> * <li>{@code long[]}</li></em>
+<a class="jxr_linenumber" name="L311" href="#L311">311</a> <em class="jxr_javadoccomment"> * </ul></em>
+<a class="jxr_linenumber" name="L312" href="#L312">312</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L313" href="#L313">313</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L314" href="#L314">314</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_javadoccomment"> * Notes:</em>
+<a class="jxr_linenumber" name="L316" href="#L316">316</a> <em class="jxr_javadoccomment"> * <ul></em>
+<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_javadoccomment"> * <li></em>
+<a class="jxr_linenumber" name="L318" href="#L318">318</a> <em class="jxr_javadoccomment"> * When the seed type passed as argument is more complex (i.e. more</em>
+<a class="jxr_linenumber" name="L319" href="#L319">319</a> <em class="jxr_javadoccomment"> * bits can be independently chosen) than the generator's</em>
+<a class="jxr_linenumber" name="L320" href="#L320">320</a> <em class="jxr_javadoccomment"> * {@link #isNativeSeed(Object) native type}, the conversion of a</em>
+<a class="jxr_linenumber" name="L321" href="#L321">321</a> <em class="jxr_javadoccomment"> * set of different seeds will necessarily result in the same value</em>
+<a class="jxr_linenumber" name="L322" href="#L322">322</a> <em class="jxr_javadoccomment"> * of the native seed type.</em>
+<a class="jxr_linenumber" name="L323" href="#L323">323</a> <em class="jxr_javadoccomment"> * </li></em>
+<a class="jxr_linenumber" name="L324" href="#L324">324</a> <em class="jxr_javadoccomment"> * <li></em>
+<a class="jxr_linenumber" name="L325" href="#L325">325</a> <em class="jxr_javadoccomment"> * When the native seed type is an array, the same remark applies</em>
+<a class="jxr_linenumber" name="L326" href="#L326">326</a> <em class="jxr_javadoccomment"> * when the array contains more bits than the state of the generator.</em>
+<a class="jxr_linenumber" name="L327" href="#L327">327</a> <em class="jxr_javadoccomment"> * </li></em>
+<a class="jxr_linenumber" name="L328" href="#L328">328</a> <em class="jxr_javadoccomment"> * <li></em>
+<a class="jxr_linenumber" name="L329" href="#L329">329</a> <em class="jxr_javadoccomment"> * When the native seed type is an array and the {@code seed} is</em>
+<a class="jxr_linenumber" name="L330" href="#L330">330</a> <em class="jxr_javadoccomment"> * {@code null}, the size of the generated array will be 128.</em>
+<a class="jxr_linenumber" name="L331" href="#L331">331</a> <em class="jxr_javadoccomment"> * </li></em>
+<a class="jxr_linenumber" name="L332" href="#L332">332</a> <em class="jxr_javadoccomment"> * </ul></em>
+<a class="jxr_linenumber" name="L333" href="#L333">333</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L334" href="#L334">334</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L335" href="#L335">335</a> <em class="jxr_javadoccomment"> * @param source RNG type.</em>
+<a class="jxr_linenumber" name="L336" href="#L336">336</a> <em class="jxr_javadoccomment"> * @param seed Seed value. It can be {@code null} (in which case a</em>
+<a class="jxr_linenumber" name="L337" href="#L337">337</a> <em class="jxr_javadoccomment"> * random value will be used).</em>
+<a class="jxr_linenumber" name="L338" href="#L338">338</a> <em class="jxr_javadoccomment"> * @param data Additional arguments to the implementation's constructor.</em>
+<a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_javadoccomment"> * Please refer to the documentation of each specific implementation.</em>
+<a class="jxr_linenumber" name="L340" href="#L340">340</a> <em class="jxr_javadoccomment"> * @return the RNG.</em>
+<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment"> * @throws UnsupportedOperationException if the type of the {@code seed}</em>
+<a class="jxr_linenumber" name="L342" href="#L342">342</a> <em class="jxr_javadoccomment"> * is invalid.</em>
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