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 <span id="projectnumber">8.1</span>
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<div class="title">bop_base.cc</div> </div>
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<a href="bop__base_8cc.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">#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="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <limits></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 "absl/synchronization/mutex.h"</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="boolean__problem_8h.html">ortools/sat/boolean_problem.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</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="l00024"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1bop.html"> 24</a></span> <span class="keyword">namespace </span>bop {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> using ::operations_research::sat::LinearBooleanProblem;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> using ::operations_research::sat::LinearObjective;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad04aac22ccceca7709adc110eda9a7c5"> 29</a></span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad04aac22ccceca7709adc110eda9a7c5">BopOptimizerBase::BopOptimizerBase</a>(<span class="keyword">const</span> std::string& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  : name_(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>), stats_(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="stats_8h.html#a9995704aaaf45fc21e08c847551a8d04">SCOPED_TIME_STAT</a>(&<a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a7c6fc06ca542eed0ff0b6ed4b1ecbcda">stats_</a>);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a9f74c41926e861d667e124362fdab85a"> 34</a></span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a9f74c41926e861d667e124362fdab85a">BopOptimizerBase::~BopOptimizerBase</a>() {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="stats_8h.html#a3c3e6b102f0d91c523099325c98e1887">IF_STATS_ENABLED</a>(<a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a7c6fc06ca542eed0ff0b6ed4b1ecbcda">stats_</a>.<a class="code" href="classoperations__research_1_1_stats_group.html#af9bc435481ae9e6e60d66a65d5394a7f">StatString</a>());</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</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"><a class="line" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a251e0a163e38833f5ac06582342143bd"> 38</a></span> std::string <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a251e0a163e38833f5ac06582342143bd">BopOptimizerBase::GetStatusString</a>(<a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> status) {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">switch</span> (status) {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70bae276c6d6c33441e7bc41f349a9ba39e2">OPTIMAL_SOLUTION_FOUND</a>:</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> <span class="stringliteral">"OPTIMAL_SOLUTION_FOUND"</span>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba22ebbfba03095f407fb90f5a363a384b">SOLUTION_FOUND</a>:</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SOLUTION_FOUND"</span>;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">INFEASIBLE</a>:</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <span class="stringliteral">"INFEASIBLE"</span>;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">LIMIT_REACHED</a>:</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> <span class="stringliteral">"LIMIT_REACHED"</span>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba896e21bf00faf87ec96b7d126be0641b">INFORMATION_FOUND</a>:</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> <span class="stringliteral">"INFORMATION_FOUND"</span>;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">CONTINUE</a>:</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> <span class="stringliteral">"CONTINUE"</span>;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba781ad2788df9e25c59a70894c7832096">ABORT</a>:</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ABORT"</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>  <span class="comment">// Fallback. We don't use "default:" so the compiler will return an error</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// if we forgot one enum case above.</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(DFATAL) << <span class="stringliteral">"Invalid Status "</span> << <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(status);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <span class="stringliteral">"UNKNOWN Status"</span>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// ProblemState</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a396243b2ccf0a15c68a66d2641cb962d">ProblemState::kInitialStampValue</a>(0);</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_problem_state.html#abcc8b7012186473601417334f669b0ae"> 66</a></span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#abcc8b7012186473601417334f669b0ae">ProblemState::ProblemState</a>(<span class="keyword">const</span> LinearBooleanProblem& problem)</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  : original_problem_(problem),</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  parameters_(),</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  update_stamp_(kInitialStampValue + 1),</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  is_fixed_(problem.num_variables(), false),</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  fixed_values_(problem.num_variables(), false),</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  lp_values_(),</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  solution_(problem, <span class="stringliteral">"AllZero"</span>),</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  assignment_preference_(),</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  lower_bound_(<a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>),</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  upper_bound_(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) {</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// TODO(user): Extract to a function used by all solvers.</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Compute trivial unscaled lower bound.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> LinearObjective& objective = problem.objective();</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  lower_bound_ = 0;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < objective.coefficients_size(); ++i) {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// Fix template version for or-tools.</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  lower_bound_ += std::min<int64>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>{0}, objective.coefficients(i));</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  upper_bound_ = solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>() ? solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#addc792cd6ed6abf01b5018c4832a4681">GetCost</a>() : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// TODO(user): refactor this to not rely on the optimization status.</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// All the information can be encoded in the learned_info bounds.</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_problem_state.html#a41c053fa0d0b27531bcb9977bded0ada"> 90</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a41c053fa0d0b27531bcb9977bded0ada">ProblemState::MergeLearnedInfo</a>(</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> <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="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> optimization_status) {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> std::string kIndent(25, <span class="charliteral">' '</span>);</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">bool</span> new_lp_values = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (!learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">lp_values</a>.<a class="code" href="classabsl_1_1_strong_vector.html#a644718bb2fb240de962dc3c9a1fdf0dc">empty</a>()) {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (lp_values_ != learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">lp_values</a>) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  lp_values_ = learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">lp_values</a>;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  new_lp_values = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << kIndent + <span class="stringliteral">"New LP values."</span>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</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>  <span class="keywordtype">bool</span> new_binary_clauses = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (!learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#adb313aa020fc4cd7fdf4504c6d0f51c9">binary_clauses</a>.empty()) {</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> old_num = binary_clause_manager_.<a class="code" href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a235d38393e2379eb6a016446341d2102">NumClauses</a>();</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">for</span> (<a class="code" href="structoperations__research_1_1sat_1_1_binary_clause.html">sat::BinaryClause</a> c : learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#adb313aa020fc4cd7fdf4504c6d0f51c9">binary_clauses</a>) {</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = original_problem_.num_variables();</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (c.<a class="code" href="structoperations__research_1_1sat_1_1_binary_clause.html#a886d202fca076745c336601d66363bb9">a</a>.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8">Variable</a>() < num_vars && c.<a class="code" href="structoperations__research_1_1sat_1_1_binary_clause.html#a477754d976ebc5e37cccff698e299613">b</a>.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8">Variable</a>() < num_vars) {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  binary_clause_manager_.<a class="code" href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a4690b2e5ad68f70322cca80950f5bf7d">Add</a>(c);</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (binary_clause_manager_.<a class="code" href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a235d38393e2379eb6a016446341d2102">NumClauses</a>() > old_num) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  new_binary_clauses = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << kIndent + <span class="stringliteral">"Num binary clauses: "</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  << binary_clause_manager_.<a class="code" href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a235d38393e2379eb6a016446341d2102">NumClauses</a>();</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</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>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">bool</span> new_solution = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>() &&</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  (!solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>() ||</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#addc792cd6ed6abf01b5018c4832a4681">GetCost</a>() < solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#addc792cd6ed6abf01b5018c4832a4681">GetCost</a>())) {</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  solution_ = learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>;</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  new_solution = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << kIndent + <span class="stringliteral">"New solution."</span>;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</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="keywordtype">bool</span> new_lower_bound = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#ad9847fd6c05481cd3c2d5ca7471b8e7f">lower_bound</a> > <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a8572b15c9721e90e09d8ee61c4960395">lower_bound</a>()) {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  lower_bound_ = learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#ad9847fd6c05481cd3c2d5ca7471b8e7f">lower_bound</a>;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  new_lower_bound = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << kIndent + <span class="stringliteral">"New lower bound."</span>;</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>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>()) {</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  upper_bound_ = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#ab1661bb9ca5502ddef357acbda49b0ed">upper_bound</a>(), solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#addc792cd6ed6abf01b5018c4832a4681">GetCost</a>());</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#ab1661bb9ca5502ddef357acbda49b0ed">upper_bound</a>() <= <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a8572b15c9721e90e09d8ee61c4960395">lower_bound</a>() ||</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  (<a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#ab1661bb9ca5502ddef357acbda49b0ed">upper_bound</a>() - <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a8572b15c9721e90e09d8ee61c4960395">lower_bound</a>() <=</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  parameters_.relative_gap_limit() *</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(std::abs(<a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#ab1661bb9ca5502ddef357acbda49b0ed">upper_bound</a>()), std::abs(<a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a8572b15c9721e90e09d8ee61c4960395">lower_bound</a>())))) {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// The lower bound might be greater that the cost of a feasible solution</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// due to rounding errors in the problem scaling and Glop.</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// As a feasible solution was found, the solution is proved optimal.</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a3efa71f535fb21ac2a5ad48427d9598b">MarkAsOptimal</a>();</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// Merge fixed variables. Note that variables added during search, i.e. not</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// in the original problem, are ignored.</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">int</span> num_newly_fixed_variables = 0;</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">sat::Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#a39891d16cd1cc89fb901e126ea4dcf05">fixed_literals</a>) {</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> VariableIndex <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Variable().value());</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> >= original_problem_.num_variables()) {</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.IsPositive();</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (is_fixed_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) {</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (fixed_values_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] != <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a49778557d9d936862216e244b7b1d9cf">MarkAsInfeasible</a>();</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  is_fixed_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  fixed_values_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  ++num_newly_fixed_variables;</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (num_newly_fixed_variables > 0) {</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">int</span> num_fixed_variables = 0;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#aeaca226d7e7f24e77774648e93088b5f">is_fixed</a> : is_fixed_) {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#aeaca226d7e7f24e77774648e93088b5f">is_fixed</a>) {</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  ++num_fixed_variables;</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>  }</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << kIndent << num_newly_fixed_variables</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  << <span class="stringliteral">" newly fixed variables ("</span> << num_fixed_variables << <span class="stringliteral">" / "</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  << is_fixed_.size() << <span class="stringliteral">")."</span>;</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (num_fixed_variables == is_fixed_.size()) {</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Set the solution to the fixed variables.</span></div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html">BopSolution</a> fixed_solution = solution_;</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">for</span> (VariableIndex <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < is_fixed_.size(); ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  fixed_solution.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a157d7e03cf5ef624646b9a0a80912abc">SetValue</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, fixed_values_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]);</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (fixed_solution.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>()) {</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  solution_ = fixed_solution;</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>()) {</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a3efa71f535fb21ac2a5ad48427d9598b">MarkAsOptimal</a>();</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << kIndent << <span class="stringliteral">"Optimal"</span>;</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a49778557d9d936862216e244b7b1d9cf">MarkAsInfeasible</a>();</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">bool</span> known_status = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (optimization_status == <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70bae276c6d6c33441e7bc41f349a9ba39e2">BopOptimizerBase::OPTIMAL_SOLUTION_FOUND</a>) {</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a3efa71f535fb21ac2a5ad48427d9598b">MarkAsOptimal</a>();</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  known_status = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (optimization_status == <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">BopOptimizerBase::INFEASIBLE</a>) {</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a49778557d9d936862216e244b7b1d9cf">MarkAsInfeasible</a>();</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  known_status = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> updated = new_lp_values || new_binary_clauses || new_solution ||</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  new_lower_bound || num_newly_fixed_variables > 0 ||</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  known_status;</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span> (updated) ++update_stamp_;</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> updated;</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> }</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
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<div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_problem_state.html#a529183bc82496d0c83c76d9438999acd"> 213</a></span> <a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a529183bc82496d0c83c76d9438999acd">ProblemState::GetLearnedInfo</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a> learned_info(original_problem_);</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">for</span> (VariableIndex <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < is_fixed_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(); ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (is_fixed_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) {</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#a39891d16cd1cc89fb901e126ea4dcf05">fixed_literals</a>.push_back(</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">sat::Literal</a>(sat::BooleanVariable(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value()), fixed_values_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]));</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a> = solution_;</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#ad9847fd6c05481cd3c2d5ca7471b8e7f">lower_bound</a> = <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a8572b15c9721e90e09d8ee61c4960395">lower_bound</a>();</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">lp_values</a> = lp_values_;</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  learned_info.<a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html#adb313aa020fc4cd7fdf4504c6d0f51c9">binary_clauses</a> = <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a502bf851b64f372f3388d57abbb2fee4">NewlyAddedBinaryClauses</a>();</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> learned_info;</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> }</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  </div>
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<div class="line"><a name="l00229"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_problem_state.html#a3efa71f535fb21ac2a5ad48427d9598b"> 229</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a3efa71f535fb21ac2a5ad48427d9598b">ProblemState::MarkAsOptimal</a>() {</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>());</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  lower_bound_ = <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#ab1661bb9ca5502ddef357acbda49b0ed">upper_bound</a>();</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  ++update_stamp_;</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> }</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
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<div class="line"><a name="l00235"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_problem_state.html#a49778557d9d936862216e244b7b1d9cf"> 235</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a49778557d9d936862216e244b7b1d9cf">ProblemState::MarkAsInfeasible</a>() {</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// Mark as infeasible, i.e. set a lower_bound greater than the upper_bound.</span></div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!solution_.<a class="code" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>());</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#ab1661bb9ca5502ddef357acbda49b0ed">upper_bound</a>() == <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) {</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  lower_bound_ = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  upper_bound_ = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a> - 1;</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  lower_bound_ = upper_bound_ - 1;</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  ++update_stamp_;</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> }</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
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<div class="line"><a name="l00247"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_problem_state.html#a502bf851b64f372f3388d57abbb2fee4"> 247</a></span> <span class="keyword">const</span> std::vector<sat::BinaryClause>& <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#a502bf851b64f372f3388d57abbb2fee4">ProblemState::NewlyAddedBinaryClauses</a>()<span class="keyword"></span></div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> binary_clause_manager_.<a class="code" href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a04c08271d60e84b5610ec8ed9bd7b9dc">newly_added</a>();</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
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<div class="line"><a name="l00252"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_problem_state.html#ad4d586087a3c750cd7dde62209cbbe07"> 252</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html#ad4d586087a3c750cd7dde62209cbbe07">ProblemState::SynchronizationDone</a>() {</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  binary_clause_manager_.<a class="code" href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a47e143bc6df345d913315f79e0c3d290">ClearNewlyAdded</a>();</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> } <span class="comment">// namespace bop</span></div>
|
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> } <span class="comment">// namespace operations_research</span></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01858">expr_array.cc:1858</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a6a5dcff82096cd7a7147bf996dbaa5a8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8">operations_research::sat::Literal::Variable</a></div><div class="ttdeci">BooleanVariable Variable() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00080">sat_base.h:80</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37"><div class="ttname"><a href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a></div><div class="ttdeci">int64 min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00138">alldiff_cst.cc:138</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00978">base/logging.h:978</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba22ebbfba03095f407fb90f5a363a384b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba22ebbfba03095f407fb90f5a363a384b">operations_research::bop::BopOptimizerBase::SOLUTION_FOUND</a></div><div class="ttdeci">@ SOLUTION_FOUND</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_1sat_1_1_binary_clause_manager_html_a4690b2e5ad68f70322cca80950f5bf7d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a4690b2e5ad68f70322cca80950f5bf7d">operations_research::sat::BinaryClauseManager::Add</a></div><div class="ttdeci">bool Add(BinaryClause c)</div><div class="ttdef"><b>Definition:</b> <a href="clause_8h_source.html#l00391">clause.h:391</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="astats_8h_html_a3c3e6b102f0d91c523099325c98e1887"><div class="ttname"><a href="stats_8h.html#a3c3e6b102f0d91c523099325c98e1887">IF_STATS_ENABLED</a></div><div class="ttdeci">#define IF_STATS_ENABLED(instructions)</div><div class="ttdef"><b>Definition:</b> <a href="stats_8h_source.html#l00435">stats.h:435</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html_a60304b65bf89363bcc3165d3cde67f86"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">absl::StrongVector::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00147">strong_vector.h:147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a8572b15c9721e90e09d8ee61c4960395"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a8572b15c9721e90e09d8ee61c4960395">operations_research::bop::ProblemState::lower_bound</a></div><div class="ttdeci">int64 lower_bound() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00207">bop_base.h:207</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_ab1661bb9ca5502ddef357acbda49b0ed"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#ab1661bb9ca5502ddef357acbda49b0ed">operations_research::bop::ProblemState::upper_bound</a></div><div class="ttdeci">int64 upper_bound() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00208">bop_base.h:208</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">operations_research::bop::BopOptimizerBase::LIMIT_REACHED</a></div><div class="ttdeci">@ LIMIT_REACHED</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00066">bop_base.h:66</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a49778557d9d936862216e244b7b1d9cf"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a49778557d9d936862216e244b7b1d9cf">operations_research::bop::ProblemState::MarkAsInfeasible</a></div><div class="ttdeci">void MarkAsInfeasible()</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00235">bop_base.cc:235</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_binary_clause_manager_html_a04c08271d60e84b5610ec8ed9bd7b9dc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a04c08271d60e84b5610ec8ed9bd7b9dc">operations_research::sat::BinaryClauseManager::newly_added</a></div><div class="ttdeci">const std::vector< BinaryClause > & newly_added() const</div><div class="ttdef"><b>Definition:</b> <a href="clause_8h_source.html#l00403">clause.h:403</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_ad04aac22ccceca7709adc110eda9a7c5"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad04aac22ccceca7709adc110eda9a7c5">operations_research::bop::BopOptimizerBase::BopOptimizerBase</a></div><div class="ttdeci">BopOptimizerBase(const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00029">bop_base.cc:29</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html_aa055411f4c53125132922079d33e535f"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">operations_research::bop::LearnedInfo::solution</a></div><div class="ttdeci">BopSolution solution</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00267">bop_base.h:267</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="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba896e21bf00faf87ec96b7d126be0641b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba896e21bf00faf87ec96b7d126be0641b">operations_research::bop::BopOptimizerBase::INFORMATION_FOUND</a></div><div class="ttdeci">@ INFORMATION_FOUND</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00073">bop_base.h:73</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_af458164b470cbba416d5ed579e00ff60"><div class="ttname"><a href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a></div><div class="ttdeci">static const int64 kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00060">integral_types.h:60</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="aclassoperations__research_1_1bop_1_1_problem_state_html_ad4d586087a3c750cd7dde62209cbbe07"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#ad4d586087a3c750cd7dde62209cbbe07">operations_research::bop::ProblemState::SynchronizationDone</a></div><div class="ttdeci">void SynchronizationDone()</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00252">bop_base.cc:252</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a9f74c41926e861d667e124362fdab85a"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a9f74c41926e861d667e124362fdab85a">operations_research::bop::BopOptimizerBase::~BopOptimizerBase</a></div><div class="ttdeci">virtual ~BopOptimizerBase()</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00034">bop_base.cc:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_abcc8b7012186473601417334f669b0ae"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#abcc8b7012186473601417334f669b0ae">operations_research::bop::ProblemState::ProblemState</a></div><div class="ttdeci">ProblemState(const sat::LinearBooleanProblem &problem)</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00066">bop_base.cc:66</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a251e0a163e38833f5ac06582342143bd"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a251e0a163e38833f5ac06582342143bd">operations_research::bop::BopOptimizerBase::GetStatusString</a></div><div class="ttdeci">static std::string GetStatusString(Status status)</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00038">bop_base.cc:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_solution_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_solution.html">operations_research::bop::BopSolution</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__solution_8h_source.html#l00032">bop_solution.h:32</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_binary_clause_manager_html_a235d38393e2379eb6a016446341d2102"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a235d38393e2379eb6a016446341d2102">operations_research::sat::BinaryClauseManager::NumClauses</a></div><div class="ttdeci">int NumClauses() const</div><div class="ttdef"><b>Definition:</b> <a href="clause_8h_source.html#l00387">clause.h:387</a></div></div>
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<div class="ttc" id="astats_8h_html_a9995704aaaf45fc21e08c847551a8d04"><div class="ttname"><a href="stats_8h.html#a9995704aaaf45fc21e08c847551a8d04">SCOPED_TIME_STAT</a></div><div class="ttdeci">#define SCOPED_TIME_STAT(stats)</div><div class="ttdef"><b>Definition:</b> <a href="stats_8h_source.html#l00436">stats.h:436</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a7c6fc06ca542eed0ff0b6ed4b1ecbcda"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a7c6fc06ca542eed0ff0b6ed4b1ecbcda">operations_research::bop::BopOptimizerBase::stats_</a></div><div class="ttdeci">StatsGroup stats_</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00101">bop_base.h:101</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html_a39891d16cd1cc89fb901e126ea4dcf05"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html#a39891d16cd1cc89fb901e126ea4dcf05">operations_research::bop::LearnedInfo::fixed_literals</a></div><div class="ttdeci">std::vector< sat::Literal > fixed_literals</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00264">bop_base.h:264</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_aeaca226d7e7f24e77774648e93088b5f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#aeaca226d7e7f24e77774648e93088b5f">operations_research::bop::ProblemState::is_fixed</a></div><div class="ttdeci">const absl::StrongVector< VariableIndex, bool > & is_fixed() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00174">bop_base.h:174</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">operations_research::bop::BopOptimizerBase::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00065">bop_base.h:65</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="astructoperations__research_1_1bop_1_1_learned_info_html_adb313aa020fc4cd7fdf4504c6d0f51c9"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html#adb313aa020fc4cd7fdf4504c6d0f51c9">operations_research::bop::LearnedInfo::binary_clauses</a></div><div class="ttdeci">std::vector< sat::BinaryClause > binary_clauses</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00279">bop_base.h:279</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_binary_clause_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_binary_clause.html">operations_research::sat::BinaryClause</a></div><div class="ttdef"><b>Definition:</b> <a href="clause_8h_source.html#l00375">clause.h:375</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a502bf851b64f372f3388d57abbb2fee4"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a502bf851b64f372f3388d57abbb2fee4">operations_research::bop::ProblemState::NewlyAddedBinaryClauses</a></div><div class="ttdeci">const std::vector< sat::BinaryClause > & NewlyAddedBinaryClauses() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00247">bop_base.cc:247</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70bae276c6d6c33441e7bc41f349a9ba39e2"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70bae276c6d6c33441e7bc41f349a9ba39e2">operations_research::bop::BopOptimizerBase::OPTIMAL_SOLUTION_FOUND</a></div><div class="ttdeci">@ OPTIMAL_SOLUTION_FOUND</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00063">bop_base.h:63</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html_ad9847fd6c05481cd3c2d5ca7471b8e7f"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html#ad9847fd6c05481cd3c2d5ca7471b8e7f">operations_research::bop::LearnedInfo::lower_bound</a></div><div class="ttdeci">int64 lower_bound</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00270">bop_base.h:270</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html">operations_research::sat::Literal</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00064">sat_base.h:64</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a3efa71f535fb21ac2a5ad48427d9598b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a3efa71f535fb21ac2a5ad48427d9598b">operations_research::bop::ProblemState::MarkAsOptimal</a></div><div class="ttdeci">void MarkAsOptimal()</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00229">bop_base.cc:229</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html_a92c51be8c0b7ed3142c363875d361967"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">operations_research::bop::LearnedInfo::lp_values</a></div><div class="ttdeci">glop::DenseRow lp_values</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00276">bop_base.h:276</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_binary_clause_html_a477754d976ebc5e37cccff698e299613"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_binary_clause.html#a477754d976ebc5e37cccff698e299613">operations_research::sat::BinaryClause::b</a></div><div class="ttdeci">Literal b</div><div class="ttdef"><b>Definition:</b> <a href="clause_8h_source.html#l00380">clause.h:380</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_solution_html_a894d87c5fddfc463c3ca3c779ba7f997"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">operations_research::bop::BopSolution::IsFeasible</a></div><div class="ttdeci">bool IsFeasible() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__solution_8h_source.html#l00070">bop_solution.h:70</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a41c053fa0d0b27531bcb9977bded0ada"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a41c053fa0d0b27531bcb9977bded0ada">operations_research::bop::ProblemState::MergeLearnedInfo</a></div><div class="ttdeci">bool MergeLearnedInfo(const LearnedInfo &learned_info, BopOptimizerBase::Status optimization_status)</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00090">bop_base.cc:90</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_binary_clause_html_a886d202fca076745c336601d66363bb9"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_binary_clause.html#a886d202fca076745c336601d66363bb9">operations_research::sat::BinaryClause::a</a></div><div class="ttdeci">Literal a</div><div class="ttdef"><b>Definition:</b> <a href="clause_8h_source.html#l00379">clause.h:379</a></div></div>
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<div class="ttc" id="aboolean__problem_8h_html"><div class="ttname"><a href="boolean__problem_8h.html">boolean_problem.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a529183bc82496d0c83c76d9438999acd"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a529183bc82496d0c83c76d9438999acd">operations_research::bop::ProblemState::GetLearnedInfo</a></div><div class="ttdeci">LearnedInfo GetLearnedInfo() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8cc_source.html#l00213">bop_base.cc:213</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="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">operations_research::bop::BopOptimizerBase::CONTINUE</a></div><div class="ttdeci">@ CONTINUE</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00077">bop_base.h:77</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_solution_html_addc792cd6ed6abf01b5018c4832a4681"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_solution.html#addc792cd6ed6abf01b5018c4832a4681">operations_research::bop::BopSolution::GetCost</a></div><div class="ttdeci">int64 GetCost() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__solution_8h_source.html#l00051">bop_solution.h:51</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_stats_group_html_af9bc435481ae9e6e60d66a65d5394a7f"><div class="ttname"><a href="classoperations__research_1_1_stats_group.html#af9bc435481ae9e6e60d66a65d5394a7f">operations_research::StatsGroup::StatString</a></div><div class="ttdeci">std::string StatString() const</div><div class="ttdef"><b>Definition:</b> <a href="stats_8cc_source.html#l00071">stats.cc:71</a></div></div>
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<div class="ttc" id="aoptimization_8cc_html_af63dcc00f2023fdf498e0829e6fb8a6b"><div class="ttname"><a href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a></div><div class="ttdeci">Literal literal</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l00084">optimization.cc:84</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html_a644718bb2fb240de962dc3c9a1fdf0dc"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a644718bb2fb240de962dc3c9a1fdf0dc">absl::StrongVector::empty</a></div><div class="ttdeci">bool empty() const</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00156">strong_vector.h:156</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_problem_state_html_a396243b2ccf0a15c68a66d2641cb962d"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a396243b2ccf0a15c68a66d2641cb962d">operations_research::bop::ProblemState::kInitialStampValue</a></div><div class="ttdeci">static const int64 kInitialStampValue</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00153">bop_base.h:153</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_binary_clause_manager_html_a47e143bc6df345d913315f79e0c3d290"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_binary_clause_manager.html#a47e143bc6df345d913315f79e0c3d290">operations_research::sat::BinaryClauseManager::ClearNewlyAdded</a></div><div class="ttdeci">void ClearNewlyAdded()</div><div class="ttdef"><b>Definition:</b> <a href="clause_8h_source.html#l00404">clause.h:404</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00808">default_search.cc:808</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba781ad2788df9e25c59a70894c7832096"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba781ad2788df9e25c59a70894c7832096">operations_research::bop::BopOptimizerBase::ABORT</a></div><div class="ttdeci">@ ABORT</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00081">bop_base.h:80</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_solution_html_a157d7e03cf5ef624646b9a0a80912abc"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_solution.html#a157d7e03cf5ef624646b9a0a80912abc">operations_research::bop::BopSolution::SetValue</a></div><div class="ttdeci">void SetValue(VariableIndex var, bool value)</div><div class="ttdef"><b>Definition:</b> <a href="bop__solution_8h_source.html#l00037">bop_solution.h:37</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719"><div class="ttname"><a href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a></div><div class="ttdeci">static const int64 kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00062">integral_types.h:62</a></div></div>
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