312 lines
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312 lines
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<a href="bop__fs_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 2010-2021 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_FS_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_FS_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 <cstdint></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <string></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="bop__base_8h.html">ortools/bop/bop_base.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__parameters_8pb_8h.html">ortools/bop/bop_parameters.pb.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__solution_8h.html">ortools/bop/bop_solution.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__types_8h.html">ortools/bop/bop_types.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__util_8h.html">ortools/bop/bop_util.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="lp__solver_8h.html">ortools/glop/lp_solver.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="boolean__problem_8pb_8h.html">ortools/sat/boolean_problem.pb.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="sat__solver_8h.html">ortools/sat/sat_solver.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="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</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="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>bop {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// Tries to find a first solution using SAT and a given assignment preference.</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// This optimizer will never run again once it has found a solution except if</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// the policy is kNotGuided in which case it will be ran again.</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html"> 42</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html">GuidedSatFirstSolutionGenerator</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="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// The different guiding heuristics</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72"> 45</a></span>  <span class="keyword">enum class</span> <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">Policy</a> {</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72abe3cf98bda0f221392a76da269cf4fd8">kNotGuided</a>, <span class="comment">// The default SAT solver.</span></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_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a3f0f0fd0a58407608ee43194b8bde37b">kLpGuided</a>, <span class="comment">// Guided by the values of the linear relaxation.</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72ac5be1c29e0f1d21d4ed634bd969ea60d">kObjectiveGuided</a>, <span class="comment">// Guided by the objective coefficient.</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a8be82401707aa36653dc3a55fa0e4c30">kUserGuided</a>, <span class="comment">// Guided by the problem assignment_preference().</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</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_guided_sat_first_solution_generator.html#a3416483a42a835b1803abcfd570b9271">GuidedSatFirstSolutionGenerator</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>, <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">Policy</a> policy);</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a5a32089ec52d7ec29b30e1d164f21f14">~GuidedSatFirstSolutionGenerator</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">ShouldBeRun</a>(<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 override</span>;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Note that if the last call to Optimize() returned CONTINUE and if the</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// problem didn't change, calling this will resume the solve from its last</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// position.</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">Optimize</a>(<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="l00060"></a><span class="lineno"> 60</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="l00061"></a><span class="lineno"> 61</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">override</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="keyword">private</span>:</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</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="l00065"></a><span class="lineno"> 65</span>  <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="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">Policy</a> policy_;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">bool</span> abort_;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  int64_t state_update_stamp_;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  std::unique_ptr<sat::SatSolver> sat_solver_;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> };</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// This class implements an optimizer that tries various random search</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// strategies, each with a really low conflict limit. It can be used to generate</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// a first solution or to improve an existing one.</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">// By opposition to all the other optimizers, this one doesn't return right away</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// when a new solution is found. Instead, it continues to improve it as long as</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// it has time.</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// TODO(user): Coupled with some Local Search it might be used to diversify</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// the solutions. To try.</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html"> 83</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html">BopRandomFirstSolutionGenerator</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="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a75867bf55193845e840cc7cbdbdce8c1">BopRandomFirstSolutionGenerator</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="l00086"></a><span class="lineno"> 86</span>  <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="l00087"></a><span class="lineno"> 87</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="l00088"></a><span class="lineno"> 88</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="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a9790287c83013442016e37457149fa58">~BopRandomFirstSolutionGenerator</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">ShouldBeRun</a>(<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 override</span>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> <a class="code" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">Optimize</a>(<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="l00093"></a><span class="lineno"> 93</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="l00094"></a><span class="lineno"> 94</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">override</span>;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</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="l00098"></a><span class="lineno"> 98</span>  <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="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">int</span> random_seed_;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</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="l00102"></a><span class="lineno"> 102</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="l00103"></a><span class="lineno"> 103</span> };</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// This class computes the linear relaxation of the state problem.</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// Optimize() fills the relaxed values (possibly floating values) that can be</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// used by other optimizers as BopSatLpFirstSolutionGenerator for instance,</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// and the lower bound.</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_linear_relaxation.html"> 109</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_linear_relaxation.html">LinearRelaxation</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="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8dcd99fe18446bb871246433178a5235">LinearRelaxation</a>(<span class="keyword">const</span> BopParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</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="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#ab128c472edf63eacbd2712f97ec55072">~LinearRelaxation</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a333c05e80843ee46f4428d3e6482b17e">ShouldBeRun</a>(<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 override</span>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> <a class="code" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8330ac820f311aab1b9c2c8057cc2c3f">Optimize</a>(<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="l00116"></a><span class="lineno"> 116</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="l00117"></a><span class="lineno"> 117</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">override</span>;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</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="l00121"></a><span class="lineno"> 121</span>  <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="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// Runs Glop to solve the current lp_model_.</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Updates the time limit and returns the status of the solve.</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// Note that when the solve is incremental, the preprocessor is deactivated,</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// and the dual simplex is used.</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> Solve(<span class="keywordtype">bool</span> incremental_solve, <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>);</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// Computes and returns a better best bound using strong branching, i.e.</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// doing a what-if analysis on each variable v: compute the best bound when</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// v is assigned to true, compute the best bound when v is assigned to false,</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// and then use those best bounds to improve the overall best bound.</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// As a side effect, it might fix some variables.</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">double</span> ComputeLowerBoundUsingStrongBranching(<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="l00135"></a><span class="lineno"> 135</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>);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Returns true when the cost is worse than the cost of the current solution.</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// If they are within the given tolerance, returns false.</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">bool</span> CostIsWorseThanSolution(<span class="keywordtype">double</span> <a class="code" href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a>, <span class="keywordtype">double</span> tolerance) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> BopParameters parameters_;</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  int64_t state_update_stamp_;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordtype">bool</span> lp_model_loaded_;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">int</span> num_full_solves_;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html">glop::LinearProgram</a> lp_model_;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="classoperations__research_1_1glop_1_1_l_p_solver.html">glop::LPSolver</a> lp_solver_;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">double</span> scaling_;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">double</span> offset_;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">int</span> num_fixed_variables_;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">bool</span> problem_already_solved_;</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">double</span> scaled_solution_cost_;</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>  </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> } <span class="comment">// namespace bop</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_BOP_BOP_FS_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="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_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#l00043">bop_base.h:43</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#l00064">bop_base.h:64</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#l00049">bop_base.h:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html">operations_research::bop::BopRandomFirstSolutionGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00083">bop_fs.h:83</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::BopRandomFirstSolutionGenerator::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00223">bop_fs.cc:223</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a75867bf55193845e840cc7cbdbdce8c1"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a75867bf55193845e840cc7cbdbdce8c1">operations_research::bop::BopRandomFirstSolutionGenerator::BopRandomFirstSolutionGenerator</a></div><div class="ttdeci">BopRandomFirstSolutionGenerator(const std::string &name, const BopParameters &parameters, sat::SatSolver *sat_propagator, MTRandom *random)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00213">bop_fs.cc:213</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::BopRandomFirstSolutionGenerator::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00228">bop_fs.cc:228</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a9790287c83013442016e37457149fa58"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a9790287c83013442016e37457149fa58">operations_research::bop::BopRandomFirstSolutionGenerator::~BopRandomFirstSolutionGenerator</a></div><div class="ttdeci">~BopRandomFirstSolutionGenerator() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00220">bop_fs.cc:220</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html">operations_research::bop::GuidedSatFirstSolutionGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00042">bop_fs.h:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::GuidedSatFirstSolutionGenerator::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00147">bop_fs.cc:147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a3416483a42a835b1803abcfd570b9271"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a3416483a42a835b1803abcfd570b9271">operations_research::bop::GuidedSatFirstSolutionGenerator::GuidedSatFirstSolutionGenerator</a></div><div class="ttdeci">GuidedSatFirstSolutionGenerator(const std::string &name, Policy policy)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00079">bop_fs.cc:79</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a5a32089ec52d7ec29b30e1d164f21f14"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a5a32089ec52d7ec29b30e1d164f21f14">operations_research::bop::GuidedSatFirstSolutionGenerator::~GuidedSatFirstSolutionGenerator</a></div><div class="ttdeci">~GuidedSatFirstSolutionGenerator() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00087">bop_fs.cc:87</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::GuidedSatFirstSolutionGenerator::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00160">bop_fs.cc:160</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy</a></div><div class="ttdeci">Policy</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00045">bop_fs.h:45</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72a3f0f0fd0a58407608ee43194b8bde37b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a3f0f0fd0a58407608ee43194b8bde37b">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kLpGuided</a></div><div class="ttdeci">@ kLpGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72a8be82401707aa36653dc3a55fa0e4c30"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a8be82401707aa36653dc3a55fa0e4c30">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kUserGuided</a></div><div class="ttdeci">@ kUserGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72abe3cf98bda0f221392a76da269cf4fd8"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72abe3cf98bda0f221392a76da269cf4fd8">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kNotGuided</a></div><div class="ttdeci">@ kNotGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72ac5be1c29e0f1d21d4ed634bd969ea60d"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72ac5be1c29e0f1d21d4ed634bd969ea60d">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kObjectiveGuided</a></div><div class="ttdeci">@ kObjectiveGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html">operations_research::bop::LinearRelaxation</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00109">bop_fs.h:109</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::LinearRelaxation::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00442">bop_fs.cc:442</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::LinearRelaxation::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00447">bop_fs.cc:447</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a8dcd99fe18446bb871246433178a5235"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8dcd99fe18446bb871246433178a5235">operations_research::bop::LinearRelaxation::LinearRelaxation</a></div><div class="ttdeci">LinearRelaxation(const BopParameters &parameters, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00343">bop_fs.cc:343</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_ab128c472edf63eacbd2712f97ec55072"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#ab128c472edf63eacbd2712f97ec55072">operations_research::bop::LinearRelaxation::~LinearRelaxation</a></div><div class="ttdeci">~LinearRelaxation() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00358">bop_fs.cc:358</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#l00114">bop_base.h:114</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_l_p_solver_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_l_p_solver.html">operations_research::glop::LPSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__solver_8h_source.html#l00029">lp_solver.h:29</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html">operations_research::glop::LinearProgram</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00055">lp_data.h:55</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#l00058">sat_solver.h:58</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#l02152">cp_model_solver.cc:2152</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="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="amacros_8h_html"><div class="ttname"><a href="macros_8h.html">macros.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">operations_research::glop::ProblemStatus</a></div><div class="ttdeci">ProblemStatus</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00102">lp_types.h:102</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 class="ttc" id="apreprocessor_8cc_html_a72ecc219428436501225dd42f67c73a9"><div class="ttname"><a href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a></div><div class="ttdeci">Fractional scaled_cost</div><div class="ttdef"><b>Definition:</b> <a href="preprocessor_8cc_source.html#l00460">preprocessor.cc:460</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="asat__solver_8h_html"><div class="ttname"><a href="sat__solver_8h.html">sat_solver.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#l00248">bop_base.h:248</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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