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339 lines
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<div class="title">bop_lns.h</div> </div>
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<a href="bop__lns_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a 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 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 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 name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a 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 name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a 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 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 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 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 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 name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef OR_TOOLS_BOP_BOP_LNS_H_</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_BOP_BOP_LNS_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</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 name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="macros_8h.html">ortools/base/macros.h</a>"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="random_8h.html">ortools/base/random.h</a>"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="strong__vector_8h.html">ortools/base/strong_vector.h</a>"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="bop__base_8h.html">ortools/bop/bop_base.h</a>"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="bop__parameters_8pb_8h.html">ortools/bop/bop_parameters.pb.h</a>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="bop__solution_8h.html">ortools/bop/bop_solution.h</a>"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="bop__types_8h.html">ortools/bop/bop_types.h</a>"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="bop__util_8h.html">ortools/bop/bop_util.h</a>"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="lp__solver_8h.html">ortools/glop/lp_solver.h</a>"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="boolean__problem_8pb_8h.html">ortools/sat/boolean_problem.pb.h</a>"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="sat__solver_8h.html">ortools/sat/sat_solver.h</a>"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="stats_8h.html">ortools/util/stats.h</a>"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>bop {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// Uses SAT to solve the full problem under the constraint that the new solution</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// should be under a given Hamming distance of the current solution.</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer.html"> 43</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer.html">BopCompleteLNSOptimizer</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a> {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer.html#a36297fc10df6b1b5effa82aeb9021766">BopCompleteLNSOptimizer</a>(<span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>,</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">const</span> <a class="code" href="classabsl_1_1_strong_vector.html">BopConstraintTerms</a>& objective_terms);</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer.html#ae69a6901e444016287dcad9930ea500e">~BopCompleteLNSOptimizer</a>() <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">bool</span> ShouldBeRun(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state) <span class="keyword">const</span> <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> Optimize(<span class="keyword">const</span> BopParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state, <a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> SynchronizeIfNeeded(</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state, <span class="keywordtype">int</span> num_relaxed_vars);</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> state_update_stamp_;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  std::unique_ptr<sat::SatSolver> sat_solver_;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> <a class="code" href="classabsl_1_1_strong_vector.html">BopConstraintTerms</a>& objective_terms_;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> };</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// Interface of the different LNS neighborhood generation algorithm.</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// NOTE(user): Using a sat_propagator as the output of the algorithm allows for</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// a really simple and efficient interface for the generator that relies on it.</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// However, if a generator doesn't rely on it at all, it may slow down a bit the</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// code (to investigate). If this happens, we will probably need another</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// function here and a way to select between which one to call.</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html"> 70</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a0039efe647c3d1b07077ab8fdbef759b"> 72</a></span>  <a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a0039efe647c3d1b07077ab8fdbef759b">NeighborhoodGenerator</a>() {}</div>
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<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a186eb8a0761d3a80e350e5d6eb6412a1"> 73</a></span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a186eb8a0761d3a80e350e5d6eb6412a1">~NeighborhoodGenerator</a>() {}</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Interface for the neighborhood generation.</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// The difficulty will be in [0, 1] and is related to the asked neighborhood</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// size (and thus local problem difficulty). A difficulty of 0.0 means empty</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// neighborhood and a difficulty of 1.0 means the full problem. The algorithm</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// should try to generate an neighborhood according to this difficulty, which</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// will be dynamically adjusted depending on whether or not we can solve the</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// subproblem.</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// The given sat_propagator will be reset and then configured so that all the</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// variables propagated on its trail should be fixed. That is, the</span></div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// neighborhood will correspond to the unassigned variables in the</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// sat_propagator. Note that sat_propagator_.IsModelUnsat() will be checked</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// after this is called so it is okay to abort if this happens.</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Preconditions:</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// - The given sat_propagator_ should have the current problem loaded (with</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// the constraint to find a better solution that any current solution).</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// - The problem state must contains a feasible solution.</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a5ace74b1359819195e04dc2a00f2153f"> 94</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a5ace74b1359819195e04dc2a00f2153f">GenerateNeighborhood</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">double</span> difficulty,</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator) = 0;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> };</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// A generic LNS optimizer which generates neighborhoods according to the given</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// NeighborhoodGenerator and automatically adapt the neighborhood size depending</span></div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// on how easy it is to solve the associated problem.</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer.html"> 102</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer.html">BopAdaptiveLNSOptimizer</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a> {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// Takes ownership of the given neighborhood_generator.</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// The sat_propagator is assumed to contains the current problem.</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer.html#a29f0d547269428a823f377a0aa2dd017">BopAdaptiveLNSOptimizer</a>(<span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>, <span class="keywordtype">bool</span> use_lp_to_guide_sat,</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>* neighborhood_generator,</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer.html#a24a6853a329f77a909de7c6ab7815f83">~BopAdaptiveLNSOptimizer</a>() <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">bool</span> ShouldBeRun(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state) <span class="keyword">const</span> <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> Optimize(<span class="keyword">const</span> BopParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state, <a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info,</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> use_lp_to_guide_sat_;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  std::unique_ptr<NeighborhoodGenerator> neighborhood_generator_;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* <span class="keyword">const</span> sat_propagator_;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// Adaptive neighborhood size logic.</span></div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// The values are kept from one run to the next.</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="classoperations__research_1_1bop_1_1_luby_adaptive_parameter_value.html">LubyAdaptiveParameterValue</a> adaptive_difficulty_;</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> };</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// Generates a neighborhood by randomly fixing a subset of the objective</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// variables that are currently at their lower cost.</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html"> 128</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html">ObjectiveBasedNeighborhood</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html#a6db8a15a16c7121d4e36001bc52a4b71"> 130</a></span>  <a class="code" href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html#a6db8a15a16c7121d4e36001bc52a4b71">ObjectiveBasedNeighborhood</a>(<span class="keyword">const</span> <a class="code" href="classabsl_1_1_strong_vector.html">BopConstraintTerms</a>* objective_terms,</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="classoperations__research_1_1_m_t_random.html">MTRandom</a>* random)</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  : objective_terms_(*objective_terms), random_(random) {}</div>
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<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html#ad691e89b85e2d63945f5478c735bcaaa"> 133</a></span>  <a class="code" href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html#ad691e89b85e2d63945f5478c735bcaaa">~ObjectiveBasedNeighborhood</a>() final {}</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">void</span> GenerateNeighborhood(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">double</span> difficulty,</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> <a class="code" href="classabsl_1_1_strong_vector.html">BopConstraintTerms</a>& objective_terms_;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="classoperations__research_1_1_m_t_random.html">MTRandom</a>* random_;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> };</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// Generates a neighborhood by randomly selecting a subset of constraints and</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// fixing the objective variables that are currently at their lower cost and</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// not in the given subset of constraints.</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html"> 146</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html">ConstraintBasedNeighborhood</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html#a2beb2c519efde0d1b59e2891e95c38db"> 148</a></span>  <a class="code" href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html#a2beb2c519efde0d1b59e2891e95c38db">ConstraintBasedNeighborhood</a>(<span class="keyword">const</span> <a class="code" href="classabsl_1_1_strong_vector.html">BopConstraintTerms</a>* objective_terms,</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classoperations__research_1_1_m_t_random.html">MTRandom</a>* random)</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  : objective_terms_(*objective_terms), random_(random) {}</div>
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<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html#ad0c8a70026bb14e052663ef947ea2d43"> 151</a></span>  <a class="code" href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html#ad0c8a70026bb14e052663ef947ea2d43">~ConstraintBasedNeighborhood</a>() final {}</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">void</span> GenerateNeighborhood(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">double</span> difficulty,</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">const</span> <a class="code" href="classabsl_1_1_strong_vector.html">BopConstraintTerms</a>& objective_terms_;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="classoperations__research_1_1_m_t_random.html">MTRandom</a>* random_;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> };</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// Generates a neighborhood by taking a random local neighborhood in an</span></div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// undirected graph where the nodes are the variables and two nodes are linked</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// if they appear in the same constraint.</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html"> 164</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html">RelationGraphBasedNeighborhood</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1bop_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html#a15a6548fa6d727c6d5614a8107b3c1e9">RelationGraphBasedNeighborhood</a>(<span class="keyword">const</span> sat::LinearBooleanProblem& problem,</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classoperations__research_1_1_m_t_random.html">MTRandom</a>* random);</div>
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<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html#a553016aaef4517a54fd0efcc76b0b01a"> 168</a></span>  <a class="code" href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html#a553016aaef4517a54fd0efcc76b0b01a">~RelationGraphBasedNeighborhood</a>() final {}</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">void</span> GenerateNeighborhood(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">double</span> difficulty,</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// TODO(user): reuse by_variable_matrix_ from the LS? Note however than we</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// don't need the coefficients here.</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="classabsl_1_1_strong_vector.html">absl::StrongVector<VariableIndex, std::vector<ConstraintIndex></a>> columns_;</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="classoperations__research_1_1_m_t_random.html">MTRandom</a>* random_;</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> };</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> } <span class="comment">// namespace bop</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_BOP_BOP_LNS_H_</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></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="aboolean__problem_8pb_8h_html"><div class="ttname"><a href="boolean__problem_8pb_8h.html">boolean_problem.pb.h</a></div></div>
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<div class="ttc" id="abop__base_8h_html"><div class="ttname"><a href="bop__base_8h.html">bop_base.h</a></div></div>
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<div class="ttc" id="abop__parameters_8pb_8h_html"><div class="ttname"><a href="bop__parameters_8pb_8h.html">bop_parameters.pb.h</a></div></div>
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<div class="ttc" id="abop__solution_8h_html"><div class="ttname"><a href="bop__solution_8h.html">bop_solution.h</a></div></div>
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<div class="ttc" id="abop__types_8h_html"><div class="ttname"><a href="bop__types_8h.html">bop_types.h</a></div></div>
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<div class="ttc" id="abop__util_8h_html"><div class="ttname"><a href="bop__util_8h.html">bop_util.h</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html"><div class="ttname"><a href="classabsl_1_1_strong_vector.html">absl::StrongVector< SparseIndex, BopConstraintTerm ></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_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html">operations_research::TimeLimit</a></div><div class="ttdoc">A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00105">time_limit.h:105</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer.html">operations_research::bop::BopAdaptiveLNSOptimizer</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00102">bop_lns.h:102</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer_html_a24a6853a329f77a909de7c6ab7815f83"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer.html#a24a6853a329f77a909de7c6ab7815f83">operations_research::bop::BopAdaptiveLNSOptimizer::~BopAdaptiveLNSOptimizer</a></div><div class="ttdeci">~BopAdaptiveLNSOptimizer() final</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8cc_source.html#l00225">bop_lns.cc:225</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer_html_a29f0d547269428a823f377a0aa2dd017"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_adaptive_l_n_s_optimizer.html#a29f0d547269428a823f377a0aa2dd017">operations_research::bop::BopAdaptiveLNSOptimizer::BopAdaptiveLNSOptimizer</a></div><div class="ttdeci">BopAdaptiveLNSOptimizer(const std::string &name, bool use_lp_to_guide_sat, NeighborhoodGenerator *neighborhood_generator, sat::SatSolver *sat_propagator)</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8cc_source.html#l00213">bop_lns.cc:213</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer.html">operations_research::bop::BopCompleteLNSOptimizer</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00043">bop_lns.h:43</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer_html_a36297fc10df6b1b5effa82aeb9021766"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer.html#a36297fc10df6b1b5effa82aeb9021766">operations_research::bop::BopCompleteLNSOptimizer::BopCompleteLNSOptimizer</a></div><div class="ttdeci">BopCompleteLNSOptimizer(const std::string &name, const BopConstraintTerms &objective_terms)</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8cc_source.html#l00057">bop_lns.cc:57</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer_html_ae69a6901e444016287dcad9930ea500e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_complete_l_n_s_optimizer.html#ae69a6901e444016287dcad9930ea500e">operations_research::bop::BopCompleteLNSOptimizer::~BopCompleteLNSOptimizer</a></div><div class="ttdeci">~BopCompleteLNSOptimizer() final</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8cc_source.html#l00063">bop_lns.cc:63</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">operations_research::bop::BopOptimizerBase</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00041">bop_base.h:41</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::bop::BopOptimizerBase::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00062">bop_base.h:62</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_ad8227ba86a01f26e4f173cd5e219d5d1"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad8227ba86a01f26e4f173cd5e219d5d1">operations_research::bop::BopOptimizerBase::name</a></div><div class="ttdeci">const std::string & name() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00047">bop_base.h:47</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_constraint_based_neighborhood_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html">operations_research::bop::ConstraintBasedNeighborhood</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00146">bop_lns.h:146</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_constraint_based_neighborhood_html_a2beb2c519efde0d1b59e2891e95c38db"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html#a2beb2c519efde0d1b59e2891e95c38db">operations_research::bop::ConstraintBasedNeighborhood::ConstraintBasedNeighborhood</a></div><div class="ttdeci">ConstraintBasedNeighborhood(const BopConstraintTerms *objective_terms, MTRandom *random)</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00148">bop_lns.h:148</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_constraint_based_neighborhood_html_ad0c8a70026bb14e052663ef947ea2d43"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_constraint_based_neighborhood.html#ad0c8a70026bb14e052663ef947ea2d43">operations_research::bop::ConstraintBasedNeighborhood::~ConstraintBasedNeighborhood</a></div><div class="ttdeci">~ConstraintBasedNeighborhood() final</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00151">bop_lns.h:151</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_luby_adaptive_parameter_value_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_luby_adaptive_parameter_value.html">operations_research::bop::LubyAdaptiveParameterValue</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__util_8h_source.html#l00065">bop_util.h:65</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_neighborhood_generator.html">operations_research::bop::NeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00070">bop_lns.h:70</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_neighborhood_generator_html_a0039efe647c3d1b07077ab8fdbef759b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a0039efe647c3d1b07077ab8fdbef759b">operations_research::bop::NeighborhoodGenerator::NeighborhoodGenerator</a></div><div class="ttdeci">NeighborhoodGenerator()</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00072">bop_lns.h:72</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_neighborhood_generator_html_a186eb8a0761d3a80e350e5d6eb6412a1"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a186eb8a0761d3a80e350e5d6eb6412a1">operations_research::bop::NeighborhoodGenerator::~NeighborhoodGenerator</a></div><div class="ttdeci">virtual ~NeighborhoodGenerator()</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00073">bop_lns.h:73</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_neighborhood_generator_html_a5ace74b1359819195e04dc2a00f2153f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_neighborhood_generator.html#a5ace74b1359819195e04dc2a00f2153f">operations_research::bop::NeighborhoodGenerator::GenerateNeighborhood</a></div><div class="ttdeci">virtual void GenerateNeighborhood(const ProblemState &problem_state, double difficulty, sat::SatSolver *sat_propagator)=0</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_objective_based_neighborhood_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html">operations_research::bop::ObjectiveBasedNeighborhood</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00128">bop_lns.h:128</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_objective_based_neighborhood_html_a6db8a15a16c7121d4e36001bc52a4b71"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html#a6db8a15a16c7121d4e36001bc52a4b71">operations_research::bop::ObjectiveBasedNeighborhood::ObjectiveBasedNeighborhood</a></div><div class="ttdeci">ObjectiveBasedNeighborhood(const BopConstraintTerms *objective_terms, MTRandom *random)</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00130">bop_lns.h:130</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_objective_based_neighborhood_html_ad691e89b85e2d63945f5478c735bcaaa"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_objective_based_neighborhood.html#ad691e89b85e2d63945f5478c735bcaaa">operations_research::bop::ObjectiveBasedNeighborhood::~ObjectiveBasedNeighborhood</a></div><div class="ttdeci">~ObjectiveBasedNeighborhood() final</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00133">bop_lns.h:133</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html">operations_research::bop::ProblemState</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00112">bop_base.h:112</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_relation_graph_based_neighborhood_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html">operations_research::bop::RelationGraphBasedNeighborhood</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00164">bop_lns.h:164</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_relation_graph_based_neighborhood_html_a15a6548fa6d727c6d5614a8107b3c1e9"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html#a15a6548fa6d727c6d5614a8107b3c1e9">operations_research::bop::RelationGraphBasedNeighborhood::RelationGraphBasedNeighborhood</a></div><div class="ttdeci">RelationGraphBasedNeighborhood(const sat::LinearBooleanProblem &problem, MTRandom *random)</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8cc_source.html#l00508">bop_lns.cc:508</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_relation_graph_based_neighborhood_html_a553016aaef4517a54fd0efcc76b0b01a"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_relation_graph_based_neighborhood.html#a553016aaef4517a54fd0efcc76b0b01a">operations_research::bop::RelationGraphBasedNeighborhood::~RelationGraphBasedNeighborhood</a></div><div class="ttdeci">~RelationGraphBasedNeighborhood() final</div><div class="ttdef"><b>Definition:</b> <a href="bop__lns_8h_source.html#l00168">bop_lns.h:168</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00057">sat_solver.h:57</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00108">cp_model_fz_solver.cc:108</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_ac3cf9db02b23ea1455b5ae6955d03e47"><div class="ttname"><a href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a></div><div class="ttdeci">SharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02116">cp_model_solver.cc:2116</a></div></div>
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<div class="ttc" id="aint__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="alp__solver_8h_html"><div class="ttname"><a href="lp__solver_8h.html">lp_solver.h</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">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</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 class="ttc" id="arandom_8h_html"><div class="ttname"><a href="random_8h.html">random.h</a></div></div>
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<div class="ttc" id="astats_8h_html"><div class="ttname"><a href="stats_8h.html">stats.h</a></div></div>
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<div class="ttc" id="astrong__vector_8h_html"><div class="ttname"><a href="strong__vector_8h.html">strong_vector.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html">operations_research::bop::LearnedInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00246">bop_base.h:246</a></div></div>
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<div class="ttc" id="atime__limit_8h_html"><div class="ttname"><a href="time__limit_8h.html">time_limit.h</a></div></div>
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