204 lines
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204 lines
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 <span id="projectnumber">9.1</span>
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<a href="random_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#ifndef OR_TOOLS_BASE_RANDOM_H_</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define OR_TOOLS_BASE_RANDOM_H_</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <random></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include "absl/random/random.h"</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "<a class="code" href="basictypes_8h.html">ortools/base/basictypes.h</a>"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment">// A wrapper around std::mt19937. Called ACMRandom for historical reasons.</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html"> 26</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1_a_c_m_random.html">ACMRandom</a> {</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#a77f0af8d29b9c317a4cf6a38ed01cdd4"> 28</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a77f0af8d29b9c317a4cf6a38ed01cdd4">ACMRandom</a>(int32_t seed) : generator_(seed) {}</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Unbounded generators.</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> uint32_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a0b40951f9303d18b54593aea505dea9d">Next</a>();</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> uint64_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a5c13d1991e84cc3c014f33686a9ed387">Next64</a>();</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#ad8bc9c65b8308f4b023dcf587b18520e"> 33</a></span> uint64_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#ad8bc9c65b8308f4b023dcf587b18520e">Rand64</a>() { <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a5c13d1991e84cc3c014f33686a9ed387">Next64</a>(); }</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#ab1df52de566b9aece0067d6552b3802c"> 34</a></span> uint64_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#ab1df52de566b9aece0067d6552b3802c">operator()</a>() { <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a5c13d1991e84cc3c014f33686a9ed387">Next64</a>(); }</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// Bounded generators.</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> uint32_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#ad125216c74ca385187abb51827eecf18">Uniform</a>(uint32_t n);</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> uint64_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#ab1df52de566b9aece0067d6552b3802c">operator()</a>(uint64_t val_max);</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// Seed management.</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#a1e52d0e9192f7e02ba7866bf60847106"> 41</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a1e52d0e9192f7e02ba7866bf60847106">Reset</a>(int32_t seed) { generator_.seed(seed); }</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">static</span> int32_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a05e2713c85aef7230eb1d2d62cc3d09d">HostnamePidTimeSeed</a>();</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">static</span> int32_t <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a4e64917f1dd91a2a52700c9ff3506114">DeterministicSeed</a>();</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// C++11 goodies.</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#a36034d876008c41c08a4d17b363f8c00"> 46</a></span> <span class="keyword">typedef</span> int64_t <a class="code hl_typedef" href="classoperations__research_1_1_a_c_m_random.html#a36034d876008c41c08a4d17b363f8c00">difference_type</a>;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#adfb76e43d3985238b0f47f6de4a95c6b"> 47</a></span> <span class="keyword">typedef</span> uint64_t <a class="code hl_typedef" href="classoperations__research_1_1_a_c_m_random.html#adfb76e43d3985238b0f47f6de4a95c6b">result_type</a>;</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#ab180b1a9d812ecf803845f4ca551a310"> 48</a></span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <a class="code hl_typedef" href="classoperations__research_1_1_a_c_m_random.html#adfb76e43d3985238b0f47f6de4a95c6b">result_type</a> <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#ab180b1a9d812ecf803845f4ca551a310">min</a>() { <span class="keywordflow">return</span> 0; }</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_a_c_m_random.html#a91c0b5c3c85db40461bf25037ee5e4cf"> 49</a></span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <a class="code hl_typedef" href="classoperations__research_1_1_a_c_m_random.html#adfb76e43d3985238b0f47f6de4a95c6b">result_type</a> <a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a91c0b5c3c85db40461bf25037ee5e4cf">max</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="integral__types_8h.html#ad15f4ed642e80ea62a1d78df3de96414">kuint32max</a>; }</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> std::mt19937 generator_;</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span>};</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_t_random.html"> 55</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1_m_t_random.html">MTRandom</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1_a_c_m_random.html">ACMRandom</a> {</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_t_random.html#a9134aa8f378bab26b195a3b5e88b7ba0"> 57</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1_m_t_random.html#a9134aa8f378bab26b195a3b5e88b7ba0">MTRandom</a>(int32_t seed) : <a class="code hl_class" href="classoperations__research_1_1_a_c_m_random.html">ACMRandom</a>(seed) {}</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// MTRandom also supports a std::string seed.</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_t_random.html#a1f946af97855be778dd0c7c47b0f4dfd"> 59</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1_m_t_random.html#a1f946af97855be778dd0c7c47b0f4dfd">MTRandom</a>(<span class="keyword">const</span> std::string& str_seed)</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> : <a class="code hl_class" href="classoperations__research_1_1_a_c_m_random.html">ACMRandom</a>(GenerateInt32SeedFromString(str_seed)) {}</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_t_random.html#a1560e2dd5cb69fc4eca954f1cc21297e"> 62</a></span> <a class="code hl_function" href="classoperations__research_1_1_m_t_random.html#a1560e2dd5cb69fc4eca954f1cc21297e">MTRandom</a>() : <a class="code hl_class" href="classoperations__research_1_1_a_c_m_random.html">ACMRandom</a>(<a class="code hl_class" href="classoperations__research_1_1_a_c_m_random.html">ACMRandom</a>::<a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#a05e2713c85aef7230eb1d2d62cc3d09d">HostnamePidTimeSeed</a>()) {}</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> int32_t GenerateInt32SeedFromString(<span class="keyword">const</span> std::string& str) {</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> uint32_t seed = 1234567;</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < str.size(); ++i) {</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> seed *= 1000003; <span class="comment">// prime</span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> seed += <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(str[i]);</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> seed >> 1; <span class="comment">// Will fit into an int32_t.</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>};</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_BASE_RANDOM_H_</span></div>
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<div class="ttc" id="abasictypes_8h_html"><div class="ttname"><a href="basictypes_8h.html">basictypes.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html">operations_research::ACMRandom</a></div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00026">random.h:26</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a05e2713c85aef7230eb1d2d62cc3d09d"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a05e2713c85aef7230eb1d2d62cc3d09d">operations_research::ACMRandom::HostnamePidTimeSeed</a></div><div class="ttdeci">static int32_t HostnamePidTimeSeed()</div><div class="ttdef"><b>Definition:</b> <a href="random_8cc_source.html#l00059">random.cc:59</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a0b40951f9303d18b54593aea505dea9d"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a0b40951f9303d18b54593aea505dea9d">operations_research::ACMRandom::Next</a></div><div class="ttdeci">uint32_t Next()</div><div class="ttdef"><b>Definition:</b> <a href="random_8cc_source.html#l00036">random.cc:36</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a1e52d0e9192f7e02ba7866bf60847106"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a1e52d0e9192f7e02ba7866bf60847106">operations_research::ACMRandom::Reset</a></div><div class="ttdeci">void Reset(int32_t seed)</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00041">random.h:41</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a36034d876008c41c08a4d17b363f8c00"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a36034d876008c41c08a4d17b363f8c00">operations_research::ACMRandom::difference_type</a></div><div class="ttdeci">int64_t difference_type</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00046">random.h:46</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a4e64917f1dd91a2a52700c9ff3506114"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a4e64917f1dd91a2a52700c9ff3506114">operations_research::ACMRandom::DeterministicSeed</a></div><div class="ttdeci">static int32_t DeterministicSeed()</div><div class="ttdef"><b>Definition:</b> <a href="random_8cc_source.html#l00093">random.cc:93</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a5c13d1991e84cc3c014f33686a9ed387"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a5c13d1991e84cc3c014f33686a9ed387">operations_research::ACMRandom::Next64</a></div><div class="ttdeci">uint64_t Next64()</div><div class="ttdef"><b>Definition:</b> <a href="random_8cc_source.html#l00042">random.cc:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a77f0af8d29b9c317a4cf6a38ed01cdd4"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a77f0af8d29b9c317a4cf6a38ed01cdd4">operations_research::ACMRandom::ACMRandom</a></div><div class="ttdeci">ACMRandom(int32_t seed)</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00028">random.h:28</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_a91c0b5c3c85db40461bf25037ee5e4cf"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#a91c0b5c3c85db40461bf25037ee5e4cf">operations_research::ACMRandom::max</a></div><div class="ttdeci">static constexpr result_type max()</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00049">random.h:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_ab180b1a9d812ecf803845f4ca551a310"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#ab180b1a9d812ecf803845f4ca551a310">operations_research::ACMRandom::min</a></div><div class="ttdeci">static constexpr result_type min()</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00048">random.h:48</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_ab1df52de566b9aece0067d6552b3802c"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#ab1df52de566b9aece0067d6552b3802c">operations_research::ACMRandom::operator()</a></div><div class="ttdeci">uint64_t operator()()</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00034">random.h:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_ad125216c74ca385187abb51827eecf18"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#ad125216c74ca385187abb51827eecf18">operations_research::ACMRandom::Uniform</a></div><div class="ttdeci">uint32_t Uniform(uint32_t n)</div><div class="ttdef"><b>Definition:</b> <a href="random_8cc_source.html#l00040">random.cc:40</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_ad8bc9c65b8308f4b023dcf587b18520e"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#ad8bc9c65b8308f4b023dcf587b18520e">operations_research::ACMRandom::Rand64</a></div><div class="ttdeci">uint64_t Rand64()</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00033">random.h:33</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_a_c_m_random_html_adfb76e43d3985238b0f47f6de4a95c6b"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#adfb76e43d3985238b0f47f6de4a95c6b">operations_research::ACMRandom::result_type</a></div><div class="ttdeci">uint64_t result_type</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00047">random.h:47</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_t_random_html"><div class="ttname"><a href="classoperations__research_1_1_m_t_random.html">operations_research::MTRandom</a></div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00055">random.h:55</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_t_random_html_a1560e2dd5cb69fc4eca954f1cc21297e"><div class="ttname"><a href="classoperations__research_1_1_m_t_random.html#a1560e2dd5cb69fc4eca954f1cc21297e">operations_research::MTRandom::MTRandom</a></div><div class="ttdeci">MTRandom()</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00062">random.h:62</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_t_random_html_a1f946af97855be778dd0c7c47b0f4dfd"><div class="ttname"><a href="classoperations__research_1_1_m_t_random.html#a1f946af97855be778dd0c7c47b0f4dfd">operations_research::MTRandom::MTRandom</a></div><div class="ttdeci">MTRandom(const std::string &str_seed)</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00059">random.h:59</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_t_random_html_a9134aa8f378bab26b195a3b5e88b7ba0"><div class="ttname"><a href="classoperations__research_1_1_m_t_random.html#a9134aa8f378bab26b195a3b5e88b7ba0">operations_research::MTRandom::MTRandom</a></div><div class="ttdeci">MTRandom(int32_t seed)</div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00057">random.h:57</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_ad15f4ed642e80ea62a1d78df3de96414"><div class="ttname"><a href="integral__types_8h.html#ad15f4ed642e80ea62a1d78df3de96414">kuint32max</a></div><div class="ttdeci">static const uint32_t kuint32max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00022">integral_types.h:22</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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</div><!-- fragment --></div><!-- contents -->
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<li class="navelem"><a class="el" href="dir_a7cc1eeded8f693d0da6c729bc88c45a.html">ortools</a></li><li class="navelem"><a class="el" href="dir_8f9dc966244f4c6e9b2fa0dee1e4ef1a.html">base</a></li><li class="navelem"><a class="el" href="random_8h.html">random.h</a></li>
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