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885 lines
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<a href="bop__fs_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="bop__fs_8h.html">ortools/bop/bop_fs.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "google/protobuf/text_format.h"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="sparse__permutation_8h.html">ortools/algorithms/sparse_permutation.h</a>"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="stl__util_8h.html">ortools/base/stl_util.h</a>"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="lp__solver_8h.html">ortools/glop/lp_solver.h</a>"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="lp__print__utils_8h.html">ortools/lp_data/lp_print_utils.h</a>"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</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 id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="sat_2lp__utils_8h.html">ortools/sat/lp_utils.h</a>"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="sat__solver_8h.html">ortools/sat/sat_solver.h</a>"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="symmetry_8h.html">ortools/sat/symmetry.h</a>"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="sat_2util_8h.html">ortools/sat/util.h</a>"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="bitset_8h.html">ortools/util/bitset.h</a>"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">namespace </span>bop {</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>using ::operations_research::glop::ColIndex;</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><a class="code hl_typedef" href="namespaceoperations__research_1_1glop.html#a4dc8ae0f97c4110f3cc770715b2bbd12">using ::operations_research::glop::DenseRow</a>;</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>using ::operations_research::glop::GlopParameters;</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>using ::operations_research::glop::RowIndex;</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> SolutionStatus(<span class="keyword">const</span> BopSolution& solution,</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> int64_t <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>) {</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// The lower bound might be greater that the cost of a feasible solution due</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// to rounding errors in the problem scaling and Glop.</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> solution.IsFeasible() ? (solution.GetCost() <= <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> ? <a class="code hl_enumvalue" 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 id="l00051" name="l00051"></a><span class="lineno"> 51</span> : <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba22ebbfba03095f407fb90f5a363a384b">BopOptimizerBase::SOLUTION_FOUND</a>)</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> : <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">BopOptimizerBase::LIMIT_REACHED</a>;</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span>}</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="keywordtype">bool</span> AllIntegralValues(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1glop.html#a4dc8ae0f97c4110f3cc770715b2bbd12">DenseRow</a>& values, <span class="keywordtype">double</span> tolerance) {</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">glop::Fractional</a> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : values) {</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// Note that this test is correct because in this part of the code, Bop</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// only deals with boolean variables.</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> >= tolerance && <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> + tolerance < 1.0) {</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>}</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="keywordtype">void</span> DenseRowToBopSolution(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1glop.html#a4dc8ae0f97c4110f3cc770715b2bbd12">DenseRow</a>& values, BopSolution* solution) {</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(solution != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(solution->Size(), values.size());</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">for</span> (VariableIndex <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < solution->Size(); ++<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> solution->SetValue(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, round(values[ColIndex(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value())]));</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>}</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>} <span class="comment">// anonymous namespace</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment">// GuidedSatFirstSolutionGenerator</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a3416483a42a835b1803abcfd570b9271"> 79</a></span><a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a3416483a42a835b1803abcfd570b9271">GuidedSatFirstSolutionGenerator::GuidedSatFirstSolutionGenerator</a>(</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">const</span> std::string& <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">Policy</a> policy)</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> : <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a>(<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>),</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> policy_(policy),</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> abort_(false),</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> state_update_stamp_(<a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>::kInitialStampValue),</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> sat_solver_() {}</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a5a32089ec52d7ec29b30e1d164f21f14"> 87</a></span><a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a5a32089ec52d7ec29b30e1d164f21f14">GuidedSatFirstSolutionGenerator::~GuidedSatFirstSolutionGenerator</a>() {}</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> GuidedSatFirstSolutionGenerator::SynchronizeIfNeeded(</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state) {</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">if</span> (state_update_stamp_ == problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#ac3f005f004bb2c049e3ee884c16dfeac">update_stamp</a>()) {</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>;</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> state_update_stamp_ = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#ac3f005f004bb2c049e3ee884c16dfeac">update_stamp</a>();</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// Create the sat_solver if not already done.</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">if</span> (!sat_solver_) {</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> sat_solver_ = absl::make_unique<sat::SatSolver>();</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// Add in symmetries.</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#ae4f24c7b61b473847e51049b06d85003">GetParameters</a>()</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> .<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_parameters.html#ac69990a42d9842c83dc3466163703017">exploit_symmetry_in_sat_first_solution</a>()) {</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> std::vector<std::unique_ptr<SparsePermutation>> generators;</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab8fc8c65994a7fc67743e4bde4d61efb">sat::FindLinearBooleanProblemSymmetries</a>(problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>(),</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> &generators);</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> std::unique_ptr<sat::SymmetryPropagator> propagator(</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_symmetry_propagator.html">sat::SymmetryPropagator</a>);</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < generators.size(); ++i) {</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> propagator->AddSymmetry(std::move(generators[i]));</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> sat_solver_->AddPropagator(propagator.get());</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> sat_solver_->TakePropagatorOwnership(std::move(propagator));</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> }</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> load_status =</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <a class="code hl_function" href="namespaceoperations__research_1_1bop.html#a2c3c1538ecc101963e5c92ff9bfb33bb">LoadStateProblemToSatSolver</a>(problem_state, sat_solver_.get());</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (load_status != <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>) <span class="keywordflow">return</span> load_status;</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">switch</span> (policy_) {</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72abe3cf98bda0f221392a76da269cf4fd8">Policy::kNotGuided</a>:</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a3f0f0fd0a58407608ee43194b8bde37b">Policy::kLpGuided</a>:</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">for</span> (ColIndex <a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>(0); <a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a> < problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a5da5f1f7172bc738a52187f7b8d06af9">lp_values</a>().size(); ++<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>) {</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a5da5f1f7172bc738a52187f7b8d06af9">lp_values</a>()[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>];</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> sat_solver_->SetAssignmentPreference(</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> sat::Literal(sat::BooleanVariable(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>.value()), round(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) == 1),</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> 1 - fabs(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - round(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)));</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72ac5be1c29e0f1d21d4ed634bd969ea60d">Policy::kObjectiveGuided</a>:</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a40254eb00d4590a09d811fe94c727c2a">UseObjectiveForSatAssignmentPreference</a>(problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>(),</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> sat_solver_.get());</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a8be82401707aa36653dc3a55fa0e4c30">Policy::kUserGuided</a>:</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a7a5110e0dc1017a81058fbfce4407292">assignment_preference</a>().size(); ++i) {</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> sat_solver_->SetAssignmentPreference(</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> sat::Literal(sat::BooleanVariable(i),</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a7a5110e0dc1017a81058fbfce4407292">assignment_preference</a>()[i]),</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> 1.0);</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>;</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>}</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e"> 147</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">GuidedSatFirstSolutionGenerator::ShouldBeRun</a>(</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">if</span> (abort_) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">if</span> (policy_ == <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a3f0f0fd0a58407608ee43194b8bde37b">Policy::kLpGuided</a> && problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a5da5f1f7172bc738a52187f7b8d06af9">lp_values</a>().<a class="code hl_function" href="classabsl_1_1_strong_vector.html#a644718bb2fb240de962dc3c9a1fdf0dc">empty</a>()) {</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> }</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">if</span> (policy_ == <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a8be82401707aa36653dc3a55fa0e4c30">Policy::kUserGuided</a> &&</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a7a5110e0dc1017a81058fbfce4407292">assignment_preference</a>().empty()) {</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>}</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f"> 160</a></span><a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">GuidedSatFirstSolutionGenerator::Optimize</a>(</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_parameters.html">BopParameters</a>& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_struct" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info, <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) {</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(learned_info != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> learned_info-><a class="code hl_function" href="structoperations__research_1_1bop_1_1_learned_info.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> sync_status =</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> SynchronizeIfNeeded(problem_state);</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">if</span> (sync_status != <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>) <span class="keywordflow">return</span> sync_status;</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_parameters.html">sat::SatParameters</a> sat_params;</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> sat_params.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_parameters.html#ad7217afa0f5bd97642d0d2291068c7f9">set_max_time_in_seconds</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->GetTimeLeft());</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> sat_params.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_parameters.html#a89082aa97657e1720a8c241a4afb4de8">set_max_deterministic_time</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->GetDeterministicTimeLeft());</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> sat_params.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_parameters.html#aa148eda9a432e6c798d9e2eecc8645f4">set_random_seed</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.random_seed());</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// We use a relatively small conflict limit so that other optimizer get a</span></div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="comment">// chance to run if this one is slow. Note that if this limit is reached, we</span></div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// will return BopOptimizerBase::CONTINUE so that Optimize() will be called</span></div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="comment">// again later to resume the current work.</span></div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> sat_params.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_parameters.html#a7120a9ef363b14f95108f17415c9c3d0">set_max_number_of_conflicts</a>(</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.guided_sat_conflicts_chunk());</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> sat_solver_->SetParameters(sat_params);</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">const</span> <span class="keywordtype">double</span> initial_deterministic_time = sat_solver_->deterministic_time();</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">sat::SatSolver::Status</a> sat_status = sat_solver_->Solve();</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->AdvanceDeterministicTime(sat_solver_->deterministic_time() -</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> initial_deterministic_time);</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">if</span> (sat_status == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">sat::SatSolver::INFEASIBLE</a>) {</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">if</span> (policy_ != <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72abe3cf98bda0f221392a76da269cf4fd8">Policy::kNotGuided</a>) abort_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">if</span> (problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#adb0496e18c263c65d88c43830b8b205b">upper_bound</a>() != <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()) {</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// As the solution in the state problem is feasible, it is proved optimal.</span></div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a8e4368b4553131cf24b49b9de6e6189f">lower_bound</a> = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#adb0496e18c263c65d88c43830b8b205b">upper_bound</a>();</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" 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 id="l00195" name="l00195"></a><span class="lineno"> 195</span> }</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// The problem is proved infeasible</span></div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">BopOptimizerBase::INFEASIBLE</a>;</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> }</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_function" href="namespaceoperations__research_1_1bop.html#a717f3da5a33db3ffe67861f8731b254a">ExtractLearnedInfoFromSatSolver</a>(sat_solver_.get(), learned_info);</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">if</span> (sat_status == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">sat::SatSolver::FEASIBLE</a>) {</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <a class="code hl_function" href="namespaceoperations__research_1_1bop.html#a49c2b7c159260e338438fc2e167a0c3d">SatAssignmentToBopSolution</a>(sat_solver_->Assignment(),</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> &learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>);</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">return</span> SolutionStatus(learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>, problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a1edcde41f3dff977bb6db2223f1e124f">lower_bound</a>());</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> }</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> </div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>;</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span>}</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span><span class="comment">// BopRandomFirstSolutionGenerator</span></div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a75867bf55193845e840cc7cbdbdce8c1"> 213</a></span><a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a75867bf55193845e840cc7cbdbdce8c1">BopRandomFirstSolutionGenerator::BopRandomFirstSolutionGenerator</a>(</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">const</span> std::string& <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_parameters.html">BopParameters</a>& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator, <a class="code hl_class" href="classoperations__research_1_1_m_t_random.html">MTRandom</a>* random)</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> : <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a>(<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>),</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> random_(random),</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> sat_propagator_(sat_propagator) {}</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a9790287c83013442016e37457149fa58"> 220</a></span><a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a9790287c83013442016e37457149fa58">BopRandomFirstSolutionGenerator::~BopRandomFirstSolutionGenerator</a>() {}</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="comment">// Only run the RandomFirstSolution when there is an objective to minimize.</span></div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e"> 223</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">BopRandomFirstSolutionGenerator::ShouldBeRun</a>(</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordflow">return</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_boolean_problem.html#a9fd8f81a798fd34a843b007c10e40d6b">objective</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_objective.html#a72d41feda9a93c11089d3d99d6270999">literals_size</a>() > 0;</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span>}</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f"> 228</a></span><a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">BopRandomFirstSolutionGenerator::Optimize</a>(</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_parameters.html">BopParameters</a>& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <a class="code hl_struct" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info, <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) {</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(learned_info != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> learned_info-><a class="code hl_function" href="structoperations__research_1_1bop_1_1_learned_info.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// Save the current solver heuristics.</span></div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_parameters.html">sat::SatParameters</a> saved_params = sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a1a5e26554d014197de9434d2c39e07e9">parameters</a>();</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keyword">const</span> std::vector<std::pair<sat::Literal, double>> saved_prefs =</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a0b5d7f31620ad7b364e7415c47ee5e0d">AllPreferences</a>();</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMaxNumConflicts = 10;</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> int64_t best_cost = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a1dfd4f5167c21a9a872f09f566817f27">solution</a>().<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>()</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> ? problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a1dfd4f5167c21a9a872f09f566817f27">solution</a>().<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_solution.html#a9f0494e519e93f67f62ba4b76fde1c56">GetCost</a>()</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> : <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> int64_t remaining_num_conflicts =</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.max_number_of_conflicts_in_random_solution_generation();</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> int64_t old_num_failures = 0;</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="comment">// Optimization: Since each Solve() is really fast, we want to limit as</span></div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// much as possible the work around one.</span></div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordtype">bool</span> objective_need_to_be_overconstrained =</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> (best_cost != <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>());</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordtype">bool</span> solution_found = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">while</span> (remaining_num_conflicts > 0 && !<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->LimitReached()) {</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#ac035378cea0ed7b0978105547402faa8">Backtrack</a>(0);</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> old_num_failures = sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f">num_failures</a>();</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> </div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_parameters.html">sat::SatParameters</a> sat_params = saved_params;</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aef1ea7e6296a28c0fa0752328d8cb900">sat::RandomizeDecisionHeuristic</a>(random_, &sat_params);</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> sat_params.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_parameters.html#a7120a9ef363b14f95108f17415c9c3d0">set_max_number_of_conflicts</a>(kMaxNumConflicts);</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a9d584b84d7b882a6017b072b33475172">SetParameters</a>(sat_params);</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a1dc177ee88f0a7ce2e46a032e5c3cf02">ResetDecisionHeuristic</a>();</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">if</span> (objective_need_to_be_overconstrained) {</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a07c4372fa55782d13edd24b86130e3ba">AddObjectiveConstraint</a>(</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>(), <span class="keyword">false</span>, <a class="code hl_typedef" href="namespaceoperations__research_1_1math__opt.html#ab61209db5b13f0d424da009e414298fc">sat::Coefficient</a>(0),</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">true</span>, <a class="code hl_typedef" href="namespaceoperations__research_1_1math__opt.html#ab61209db5b13f0d424da009e414298fc">sat::Coefficient</a>(best_cost) - 1, sat_propagator_)) {</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// The solution is proved optimal (if any).</span></div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a8e4368b4553131cf24b49b9de6e6189f">lower_bound</a> = best_cost;</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">return</span> best_cost == <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> ? <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">BopOptimizerBase::INFEASIBLE</a></div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> : <a class="code hl_enumvalue" 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 id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> objective_need_to_be_overconstrained = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> }</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// Special assignment preference parameters.</span></div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keyword">const</span> <span class="keywordtype">int</span> preference = random_-><a class="code hl_function" href="classoperations__research_1_1_a_c_m_random.html#ad125216c74ca385187abb51827eecf18">Uniform</a>(4);</div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">if</span> (preference == 0) {</div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a40254eb00d4590a09d811fe94c727c2a">UseObjectiveForSatAssignmentPreference</a>(problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>(),</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> sat_propagator_);</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (preference == 1 && !problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a5da5f1f7172bc738a52187f7b8d06af9">lp_values</a>().<a class="code hl_function" href="classabsl_1_1_strong_vector.html#a644718bb2fb240de962dc3c9a1fdf0dc">empty</a>()) {</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// Assign SAT assignment preference based on the LP solution.</span></div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keywordflow">for</span> (ColIndex <a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>(0); <a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a> < problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a5da5f1f7172bc738a52187f7b8d06af9">lp_values</a>().size(); ++<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>) {</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a5da5f1f7172bc738a52187f7b8d06af9">lp_values</a>()[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>];</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a955786dcbe82b7c4dc9924a5473ac1e8">SetAssignmentPreference</a>(</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">sat::Literal</a>(sat::BooleanVariable(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>.value()), round(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) == 1),</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> 1 - fabs(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - round(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)));</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> }</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> }</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> </div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">sat::SatSolver::Status</a> sat_status =</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a27e14216f4d9330375fc0089a1919f20">SolveWithTimeLimit</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keywordflow">if</span> (sat_status == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">sat::SatSolver::FEASIBLE</a>) {</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> objective_need_to_be_overconstrained = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> solution_found = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <a class="code hl_function" href="namespaceoperations__research_1_1bop.html#a49c2b7c159260e338438fc2e167a0c3d">SatAssignmentToBopSolution</a>(sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a4793952607a98dfddfbcc17abfabbb4b">Assignment</a>(),</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> &learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>);</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <a class="code hl_define" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_solution.html#a9f0494e519e93f67f62ba4b76fde1c56">GetCost</a>(), best_cost);</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> best_cost = learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_solution.html#a9f0494e519e93f67f62ba4b76fde1c56">GetCost</a>();</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sat_status == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">sat::SatSolver::INFEASIBLE</a>) {</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="comment">// The solution is proved optimal (if any).</span></div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a8e4368b4553131cf24b49b9de6e6189f">lower_bound</a> = best_cost;</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">return</span> best_cost == <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> ? <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">BopOptimizerBase::INFEASIBLE</a></div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> : <a class="code hl_enumvalue" 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 id="l00307" name="l00307"></a><span class="lineno"> 307</span> }</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> </div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// The number of failure is a good approximation of the number of conflicts.</span></div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// Note that the number of failures of the SAT solver is not reinitialized.</span></div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> remaining_num_conflicts -=</div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f">num_failures</a>() - old_num_failures;</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> }</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> </div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="comment">// Restore sat_propagator_ to its original state.</span></div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// Note that if the function is aborted before that, it means we solved the</span></div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// problem to optimality (or proven it to be infeasible), so we don't need</span></div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// to do any extra work in these cases since the sat_propagator_ will not be</span></div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="comment">// used anymore.</span></div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(0, sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a88dcaf0cf27bb4991376ed54d8f2698f">AssumptionLevel</a>());</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#ac714aeb75f0f6dd87e52e5d1a0d6edc7">RestoreSolverToAssumptionLevel</a>();</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a9d584b84d7b882a6017b072b33475172">SetParameters</a>(saved_params);</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#a99ad912d89d06226159ee1d4478b6af6">ResetDecisionHeuristicAndSetAllPreferences</a>(saved_prefs);</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> </div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// This can be proved during the call to RestoreSolverToAssumptionLevel().</span></div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordflow">if</span> (sat_propagator_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad2a33e1d9335cce63548abed6b5c8aab">IsModelUnsat</a>()) {</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="comment">// The solution is proved optimal (if any).</span></div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a8e4368b4553131cf24b49b9de6e6189f">lower_bound</a> = best_cost;</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">return</span> best_cost == <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> ? <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">BopOptimizerBase::INFEASIBLE</a></div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> : <a class="code hl_enumvalue" 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 id="l00332" name="l00332"></a><span class="lineno"> 332</span> }</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> </div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <a class="code hl_function" href="namespaceoperations__research_1_1bop.html#a717f3da5a33db3ffe67861f8731b254a">ExtractLearnedInfoFromSatSolver</a>(sat_propagator_, learned_info);</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> </div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keywordflow">return</span> solution_found ? <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba22ebbfba03095f407fb90f5a363a384b">BopOptimizerBase::SOLUTION_FOUND</a></div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> : <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">BopOptimizerBase::LIMIT_REACHED</a>;</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span>}</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span><span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span><span class="comment">// LinearRelaxation</span></div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span><span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8dcd99fe18446bb871246433178a5235"> 343</a></span><a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8dcd99fe18446bb871246433178a5235">LinearRelaxation::LinearRelaxation</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_parameters.html">BopParameters</a>& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keyword">const</span> std::string& <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> : <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a>(<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>),</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> parameters_(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>),</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> state_update_stamp_(<a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>::kInitialStampValue),</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> lp_model_loaded_(false),</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> num_full_solves_(0),</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> lp_model_(),</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> lp_solver_(),</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> scaling_(1),</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <a class="code hl_variable" href="interval_8cc.html#adeaf787e3a80bbf698cb9e26264474e0">offset_</a>(0),</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> num_fixed_variables_(-1),</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> problem_already_solved_(false),</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> scaled_solution_cost_(glop::<a class="code hl_variable" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>) {}</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#ab128c472edf63eacbd2712f97ec55072"> 358</a></span><a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#ab128c472edf63eacbd2712f97ec55072">LinearRelaxation::~LinearRelaxation</a>() {}</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span><a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> LinearRelaxation::SynchronizeIfNeeded(</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state) {</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordflow">if</span> (state_update_stamp_ == problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#ac3f005f004bb2c049e3ee884c16dfeac">update_stamp</a>()) {</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>;</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> }</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> state_update_stamp_ = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#ac3f005f004bb2c049e3ee884c16dfeac">update_stamp</a>();</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> </div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="comment">// If this is a pure feasibility problem, obey</span></div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="comment">// `BopParameters.max_lp_solve_for_feasibility_problems`.</span></div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keywordflow">if</span> (problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_boolean_problem.html#a9fd8f81a798fd34a843b007c10e40d6b">objective</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_objective.html#a72d41feda9a93c11089d3d99d6270999">literals_size</a>() == 0 &&</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> parameters_.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_parameters.html#abd8ce51563ce7dbbf18dda7ea6740131">max_lp_solve_for_feasibility_problems</a>() >= 0 &&</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> num_full_solves_ >= parameters_.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_parameters.html#abd8ce51563ce7dbbf18dda7ea6740131">max_lp_solve_for_feasibility_problems</a>()) {</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba781ad2788df9e25c59a70894c7832096">BopOptimizerBase::ABORT</a>;</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> }</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> </div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// Check if the number of fixed variables is greater than last time.</span></div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="comment">// TODO(user): Consider checking changes in number of conflicts too.</span></div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordtype">int</span> num_fixed_variables = 0;</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">bool</span> is_fixed : problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#ab6ce57c9f5711fa2cf5155b468c333ac">is_fixed</a>()) {</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">if</span> (is_fixed) {</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> ++num_fixed_variables;</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> }</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> }</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> problem_already_solved_ =</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> problem_already_solved_ && num_fixed_variables_ >= num_fixed_variables;</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="keywordflow">if</span> (problem_already_solved_) <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba781ad2788df9e25c59a70894c7832096">BopOptimizerBase::ABORT</a>;</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="comment">// Create the LP model based on the current problem state.</span></div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> num_fixed_variables_ = num_fixed_variables;</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="keywordflow">if</span> (!lp_model_loaded_) {</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a4591e100a0f29a249169e5833995cd31">sat::ConvertBooleanProblemToLinearProgram</a>(problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>(),</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> &lp_model_);</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> lp_model_loaded_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> }</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keywordflow">for</span> (VariableIndex <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#ab6ce57c9f5711fa2cf5155b468c333ac">is_fixed</a>().size(); ++<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keywordflow">if</span> (problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a64ae791bca42eca0e2155e81c36420c1">IsVariableFixed</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">glop::Fractional</a> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> =</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#aa27fa90c75da28fa722a8390d031a604">GetVariableFixedValue</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) ? 1.0 : 0.0;</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(ColIndex(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value()), <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> }</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> }</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> </div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="comment">// Add learned binary clauses.</span></div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordflow">if</span> (parameters_.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_parameters.html#adc7fbb03b333df8896b8291d165dcd49">use_learned_binary_clauses_in_lp</a>()) {</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> sat::BinaryClause& clause :</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a502bf851b64f372f3388d57abbb2fee4">NewlyAddedBinaryClauses</a>()) {</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="keyword">const</span> RowIndex constraint_index = lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#ad9d564651057c77b3f2ca1293134557f">CreateNewConstraint</a>();</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keyword">const</span> int64_t coefficient_a = clause.a.IsPositive() ? 1 : -1;</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="keyword">const</span> int64_t coefficient_b = clause.b.IsPositive() ? 1 : -1;</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="keyword">const</span> int64_t rhs = 1 + (clause.a.IsPositive() ? 0 : -1) +</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> (clause.b.IsPositive() ? 0 : -1);</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keyword">const</span> ColIndex col_a(clause.a.Variable().value());</div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keyword">const</span> ColIndex col_b(clause.b.Variable().value());</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="keyword">const</span> std::string name_a = lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a18b017687d9940cc46c92e3937a18882">GetVariableName</a>(col_a);</div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keyword">const</span> std::string name_b = lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a18b017687d9940cc46c92e3937a18882">GetVariableName</a>(col_b);</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> </div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a1c4c019028d8b012b9d10e0a17bfaf4e">SetConstraintName</a>(</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> constraint_index,</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> (clause.a.IsPositive() ? name_a : <span class="stringliteral">"not("</span> + name_a + <span class="stringliteral">")"</span>) + <span class="stringliteral">" or "</span> +</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> (clause.b.IsPositive() ? name_b : <span class="stringliteral">"not("</span> + name_b + <span class="stringliteral">")"</span>));</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a2d695f450ae446d5d9c225b991f8d88e">SetCoefficient</a>(constraint_index, col_a, coefficient_a);</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a2d695f450ae446d5d9c225b991f8d88e">SetCoefficient</a>(constraint_index, col_b, coefficient_b);</div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a62b98dec38b6506442f9fc63f1a9b88f">SetConstraintBounds</a>(constraint_index, rhs, <a class="code hl_variable" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">glop::kInfinity</a>);</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> }</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> }</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> </div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> scaling_ = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_boolean_problem.html#a9fd8f81a798fd34a843b007c10e40d6b">objective</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_objective.html#a9e32504c3f1bddb0f25f1386ecf7987b">scaling_factor</a>();</div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> offset_ = problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_boolean_problem.html#a9fd8f81a798fd34a843b007c10e40d6b">objective</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> scaled_solution_cost_ =</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a1dfd4f5167c21a9a872f09f566817f27">solution</a>().<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>()</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> ? problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a1dfd4f5167c21a9a872f09f566817f27">solution</a>().<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_solution.html#a5a7e1c8c6e190403753beff6168d66a8">GetScaledCost</a>()</div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> : (lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#accdd045ec09206640c2338524da77d23">IsMaximizationProblem</a>() ? -<a class="code hl_variable" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">glop::kInfinity</a></div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> : <a class="code hl_variable" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">glop::kInfinity</a>);</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>;</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span>}</div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> </div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span><span class="comment">// Always let the LP solver run if there is an objective. If there isn't, only</span></div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span><span class="comment">// let the LP solver run if the user asked for it by setting</span></div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span><span class="comment">// `BopParameters.max_lp_solve_for_feasibility_problems` to a non-zero value</span></div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span><span class="comment">// (a negative value means no limit).</span></div>
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span><span class="comment">// TODO(user): also deal with problem_already_solved_</span></div>
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<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a333c05e80843ee46f4428d3e6482b17e"> 442</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a333c05e80843ee46f4428d3e6482b17e">LinearRelaxation::ShouldBeRun</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="keywordflow">return</span> problem_state.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">original_problem</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_boolean_problem.html#a9fd8f81a798fd34a843b007c10e40d6b">objective</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_objective.html#a72d41feda9a93c11089d3d99d6270999">literals_size</a>() > 0 ||</div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> parameters_.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_parameters.html#abd8ce51563ce7dbbf18dda7ea6740131">max_lp_solve_for_feasibility_problems</a>() != 0;</div>
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<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span>}</div>
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<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> </div>
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<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8330ac820f311aab1b9c2c8057cc2c3f"> 447</a></span><a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8330ac820f311aab1b9c2c8057cc2c3f">LinearRelaxation::Optimize</a>(</div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_parameters.html">BopParameters</a>& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <a class="code hl_struct" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info, <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) {</div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(learned_info != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> learned_info-><a class="code hl_function" href="structoperations__research_1_1bop_1_1_learned_info.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> </div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> sync_status =</div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> SynchronizeIfNeeded(problem_state);</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keywordflow">if</span> (sync_status != <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba49959dd441dcda75d6898cf2c68fb374">BopOptimizerBase::CONTINUE</a>) {</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keywordflow">return</span> sync_status;</div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> }</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> lp_status = Solve(<span class="keyword">false</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
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<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">" LP: "</span></div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> << absl::StrFormat(<span class="stringliteral">"%.6f"</span>, lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a96c1f660991b5007ca24564f69cd27b8">GetObjectiveValue</a>())</div>
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> << <span class="stringliteral">" status: "</span> << <a class="code hl_function" href="namespaceoperations__research_1_1glop.html#a509c4e359e6f7041eddfac3f1c46a92f">GetProblemStatusString</a>(lp_status);</div>
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<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> </div>
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<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="keywordflow">if</span> (lp_status == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493af00c8dbdd6e1f11bdae06be94277d293">glop::ProblemStatus::OPTIMAL</a> ||</div>
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<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> lp_status == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a0beacd9ca195de65e685252f1b46b954">glop::ProblemStatus::IMPRECISE</a>) {</div>
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<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> ++num_full_solves_;</div>
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<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> problem_already_solved_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> }</div>
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<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> </div>
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<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keywordflow">if</span> (lp_status == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493afaee4ca3c30ee18148ce3ada37466498">glop::ProblemStatus::INIT</a>) {</div>
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<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">BopOptimizerBase::LIMIT_REACHED</a>;</div>
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<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> }</div>
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<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keywordflow">if</span> (lp_status != <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493af00c8dbdd6e1f11bdae06be94277d293">glop::ProblemStatus::OPTIMAL</a> &&</div>
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<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> lp_status != <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a0beacd9ca195de65e685252f1b46b954">glop::ProblemStatus::IMPRECISE</a> &&</div>
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<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> lp_status != <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a2dcc8f5d91cb2aa2065b8305bf2d5cbd">glop::ProblemStatus::PRIMAL_FEASIBLE</a>) {</div>
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<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba781ad2788df9e25c59a70894c7832096">BopOptimizerBase::ABORT</a>;</div>
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<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> }</div>
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<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">lp_values</a> = lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#ac5d36607cb29127a9ce5f6d6e7c140eb">variable_values</a>();</div>
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<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> </div>
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<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="keywordflow">if</span> (lp_status == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493af00c8dbdd6e1f11bdae06be94277d293">glop::ProblemStatus::OPTIMAL</a>) {</div>
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<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="comment">// The lp returns the objective with the offset and scaled, so we need to</span></div>
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<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="comment">// unscale it and then remove the offset.</span></div>
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<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> = lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a96c1f660991b5007ca24564f69cd27b8">GetObjectiveValue</a>();</div>
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<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">if</span> (parameters_.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_parameters.html#a80ad973bf83f2ad2f8b46dc2f29ee3a0">use_lp_strong_branching</a>()) {</div>
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<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> =</div>
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<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> ComputeLowerBoundUsingStrongBranching(learned_info, <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
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<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">" LP: "</span></div>
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<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> << absl::StrFormat(<span class="stringliteral">"%.6f"</span>, <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>)</div>
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<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> << <span class="stringliteral">" using strong branching."</span>;</div>
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<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> }</div>
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<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> </div>
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<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keyword">const</span> <span class="keywordtype">int</span> tolerance_sign = scaling_ < 0 ? 1 : -1;</div>
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<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="keyword">const</span> <span class="keywordtype">double</span> unscaled_cost =</div>
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<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> (<a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> +</div>
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<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> tolerance_sign *</div>
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<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a01f64f8af66c6c5a66d3b4ebc868cab6">GetParameters</a>().<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a82e08c2cbe3205da7975c1dae420cf77">solution_feasibility_tolerance</a>()) /</div>
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<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> scaling_ -</div>
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<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> offset_;</div>
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<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a8e4368b4553131cf24b49b9de6e6189f">lower_bound</a> = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(ceil(unscaled_cost));</div>
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<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> </div>
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<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="keywordflow">if</span> (AllIntegralValues(</div>
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<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">lp_values</a>,</div>
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<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a01f64f8af66c6c5a66d3b4ebc868cab6">GetParameters</a>().<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a09b7b43981bf08e9b82ca1896f91fd67">primal_feasibility_tolerance</a>())) {</div>
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<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> DenseRowToBopSolution(learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#a92c51be8c0b7ed3142c363875d361967">lp_values</a>, &learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>);</div>
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<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(learned_info-><a class="code hl_variable" href="structoperations__research_1_1bop_1_1_learned_info.html#aa055411f4c53125132922079d33e535f">solution</a>.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_solution.html#a894d87c5fddfc463c3ca3c779ba7f997">IsFeasible</a>());</div>
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<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" 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 id="l00508" name="l00508"></a><span class="lineno"> 508</span> }</div>
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<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> }</div>
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<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> </div>
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<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba896e21bf00faf87ec96b7d126be0641b">BopOptimizerBase::INFORMATION_FOUND</a>;</div>
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<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span>}</div>
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<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> </div>
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<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span><span class="comment">// TODO(user): It is possible to stop the search earlier using the glop</span></div>
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<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span><span class="comment">// parameter objective_lower_limit / objective_upper_limit. That</span></div>
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<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span><span class="comment">// can be used when a feasible solution is known, or when the false</span></div>
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<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span><span class="comment">// best bound is computed.</span></div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span><a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> LinearRelaxation::Solve(<span class="keywordtype">bool</span> incremental_solve,</div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) {</div>
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> GlopParameters glop_params;</div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">if</span> (incremental_solve) {</div>
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> glop_params.set_use_dual_simplex(<span class="keyword">true</span>);</div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> glop_params.set_allow_simplex_algorithm_change(<span class="keyword">true</span>);</div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> glop_params.set_use_preprocessing(<span class="keyword">false</span>);</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#ae7202d055b6b172a8a1da4f5b136f9ea">SetParameters</a>(glop_params);</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> }</div>
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<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> <a class="code hl_class" href="classoperations__research_1_1_nested_time_limit.html">NestedTimeLimit</a> nested_time_limit(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>, <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->GetTimeLeft(),</div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> parameters_.<a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_parameters.html#a156b6cfceeaa1301e5dd8bf953fdc15d">lp_max_deterministic_time</a>());</div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> lp_status = lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#ae3f158ad37c1fe375d465875fb8130f2">SolveWithTimeLimit</a>(</div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> lp_model_, nested_time_limit.GetTimeLimit());</div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="keywordflow">return</span> lp_status;</div>
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<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span>}</div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> </div>
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<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span><span class="keywordtype">double</span> LinearRelaxation::ComputeLowerBoundUsingStrongBranching(</div>
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<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> LearnedInfo* learned_info, TimeLimit* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) {</div>
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<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1glop.html#a4dc8ae0f97c4110f3cc770715b2bbd12">glop::DenseRow</a> initial_lp_values = lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#ac5d36607cb29127a9ce5f6d6e7c140eb">variable_values</a>();</div>
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<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="keyword">const</span> <span class="keywordtype">double</span> tolerance =</div>
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<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a01f64f8af66c6c5a66d3b4ebc868cab6">GetParameters</a>().<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a09b7b43981bf08e9b82ca1896f91fd67">primal_feasibility_tolerance</a>();</div>
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<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <span class="keywordtype">double</span> best_lp_objective = lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a96c1f660991b5007ca24564f69cd27b8">GetObjectiveValue</a>();</div>
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<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordflow">for</span> (glop::ColIndex <a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>(0); <a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a> < initial_lp_values.size(); ++<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>) {</div>
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<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="comment">// TODO(user): Order the variables by some meaningful quantity (probably</span></div>
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<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <span class="comment">// the cost variation when we snap it to one of its bound) so</span></div>
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<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="comment">// we can try the one that seems the most promising first.</span></div>
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<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <span class="comment">// That way we can stop the strong branching earlier.</span></div>
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<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->LimitReached()) <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> </div>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="comment">// Skip fixed variables.</span></div>
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<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keywordflow">if</span> (lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#adb3b261831be8afb947baceaba1c220b">variable_lower_bounds</a>()[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>] ==</div>
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<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a74f1c824468608a9bb5fee6f10eca698">variable_upper_bounds</a>()[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>]) {</div>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> }</div>
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<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(0.0, lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#adb3b261831be8afb947baceaba1c220b">variable_lower_bounds</a>()[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>]);</div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(1.0, lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a74f1c824468608a9bb5fee6f10eca698">variable_upper_bounds</a>()[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>]);</div>
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<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> </div>
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<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="comment">// Note(user): Experiments show that iterating on all variables can be</span></div>
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<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="comment">// costly and doesn't lead to better solutions when a SAT optimizer is used</span></div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="comment">// afterward, e.g. BopSatLpFirstSolutionGenerator, and no feasible solutions</span></div>
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<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="comment">// are available.</span></div>
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<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <span class="comment">// No variables are skipped when a feasible solution is know as the best</span></div>
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> <span class="comment">// bound / cost comparison can be used to deduce fixed variables, and be</span></div>
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="comment">// useful for other optimizers.</span></div>
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<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keywordflow">if</span> ((scaled_solution_cost_ == <a class="code hl_variable" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">glop::kInfinity</a> ||</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> scaled_solution_cost_ == -<a class="code hl_variable" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">glop::kInfinity</a>) &&</div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> (initial_lp_values[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>] < tolerance ||</div>
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<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> initial_lp_values[<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>] + tolerance > 1)) {</div>
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<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> }</div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> </div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keywordtype">double</span> objective_true = best_lp_objective;</div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="keywordtype">double</span> objective_false = best_lp_objective;</div>
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> </div>
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<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="comment">// Set to true.</span></div>
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<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, 1.0, 1.0);</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> status_true = Solve(<span class="keyword">true</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="comment">// TODO(user): Deal with PRIMAL_INFEASIBLE, DUAL_INFEASIBLE and</span></div>
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="comment">// INFEASIBLE_OR_UNBOUNDED statuses. In all cases, if the</span></div>
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<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="comment">// original lp was feasible, this means that the variable can</span></div>
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<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="comment">// be fixed to the other bound.</span></div>
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<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="keywordflow">if</span> (status_true == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493af00c8dbdd6e1f11bdae06be94277d293">glop::ProblemStatus::OPTIMAL</a> ||</div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> status_true == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a57ad14e7a035f33c8ba6c0ea9ea23caa">glop::ProblemStatus::DUAL_FEASIBLE</a>) {</div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> objective_true = lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a96c1f660991b5007ca24564f69cd27b8">GetObjectiveValue</a>();</div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> </div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="comment">// Set to false.</span></div>
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<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, 0.0, 0.0);</div>
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<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> status_false = Solve(<span class="keyword">true</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
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<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">if</span> (status_false == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493af00c8dbdd6e1f11bdae06be94277d293">glop::ProblemStatus::OPTIMAL</a> ||</div>
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<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> status_false == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a57ad14e7a035f33c8ba6c0ea9ea23caa">glop::ProblemStatus::DUAL_FEASIBLE</a>) {</div>
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<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> objective_false = lp_solver_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_l_p_solver.html#a96c1f660991b5007ca24564f69cd27b8">GetObjectiveValue</a>();</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> </div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="comment">// Compute the new min.</span></div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> best_lp_objective =</div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#accdd045ec09206640c2338524da77d23">IsMaximizationProblem</a>()</div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> ? <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(best_lp_objective,</div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(objective_true, objective_false))</div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> : <a class="code hl_namespace" href="namespacestd.html">std</a>::<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a>(best_lp_objective,</div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>(objective_true, objective_false));</div>
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<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> }</div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> }</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> </div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <span class="keywordflow">if</span> (CostIsWorseThanSolution(objective_true, tolerance)) {</div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="comment">// Having variable col set to true can't possibly lead to and better</span></div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> <span class="comment">// solution than the current one. Set the variable to false.</span></div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, 0.0, 0.0);</div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> learned_info->fixed_literals.push_back(</div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> sat::Literal(sat::BooleanVariable(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>.value()), <span class="keyword">false</span>));</div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (CostIsWorseThanSolution(objective_false, tolerance)) {</div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> <span class="comment">// Having variable col set to false can't possibly lead to and better</span></div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="comment">// solution than the current one. Set the variable to true.</span></div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, 1.0, 1.0);</div>
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<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> learned_info->fixed_literals.push_back(</div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> sat::Literal(sat::BooleanVariable(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>.value()), <span class="keyword">true</span>));</div>
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<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="comment">// Unset. This is safe to use 0.0 and 1.0 as the variable is not fixed.</span></div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code hl_variable" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, 0.0, 1.0);</div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> }</div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> }</div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">return</span> best_lp_objective;</div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span>}</div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> </div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span><span class="keywordtype">bool</span> LinearRelaxation::CostIsWorseThanSolution(<span class="keywordtype">double</span> <a class="code hl_variable" href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a>,</div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <span class="keywordtype">double</span> tolerance)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <span class="keywordflow">return</span> lp_model_.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_linear_program.html#accdd045ec09206640c2338524da77d23">IsMaximizationProblem</a>()</div>
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> ? <a class="code hl_variable" href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a> + tolerance < scaled_solution_cost_</div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> : <a class="code hl_variable" href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a> > scaled_solution_cost_ + tolerance;</div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span>}</div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> </div>
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<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span>} <span class="comment">// namespace bop</span></div>
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<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</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="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#l00491">base/logging.h:491</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a4bd2e815ca2f702a4b6aa744b1ff3b82"><div class="ttname"><a href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a></div><div class="ttdeci">#define CHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00701">base/logging.h:701</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00698">base/logging.h:698</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#l00979">base/logging.h:979</a></div></div>
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<div class="ttc" id="abitset_8h_html"><div class="ttname"><a href="bitset_8h.html">bitset.h</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="abop__fs_8h_html"><div class="ttname"><a href="bop__fs_8h.html">bop_fs.h</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_1_a_c_m_random_html_ad125216c74ca385187abb51827eecf18"><div class="ttname"><a href="classoperations__research_1_1_a_c_m_random.html#ad125216c74ca385187abb51827eecf18">operations_research::ACMRandom::Uniform</a></div><div class="ttdeci">uint32_t Uniform(uint32_t n)</div><div class="ttdef"><b>Definition:</b> <a href="random_8cc_source.html#l00040">random.cc:40</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_t_random_html"><div class="ttname"><a href="classoperations__research_1_1_m_t_random.html">operations_research::MTRandom</a></div><div class="ttdef"><b>Definition:</b> <a href="random_8h_source.html#l00055">random.h:55</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_nested_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_nested_time_limit.html">operations_research::NestedTimeLimit</a></div><div class="ttdoc">Provides a way to nest time limits for algorithms where a certain part of the computation is bounded ...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00426">time_limit.h:426</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html">operations_research::TimeLimit</a></div><div class="ttdoc">A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00105">time_limit.h:105</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">operations_research::bop::BopOptimizerBase</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00043">bop_base.h:43</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::bop::BopOptimizerBase::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00064">bop_base.h:64</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_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#l00066">bop_base.h:66</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#l00067">bop_base.h:67</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#l00079">bop_base.h:79</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#l00068">bop_base.h:68</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#l00083">bop_base.h:82</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#l00075">bop_base.h:75</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#l00065">bop_base.h:65</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_parameters_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_parameters.html">operations_research::bop::BopParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__parameters_8pb_8h_source.html#l00510">bop_parameters.pb.h:511</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_parameters_html_a156b6cfceeaa1301e5dd8bf953fdc15d"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_parameters.html#a156b6cfceeaa1301e5dd8bf953fdc15d">operations_research::bop::BopParameters::lp_max_deterministic_time</a></div><div class="ttdeci">double lp_max_deterministic_time() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__parameters_8pb_8h_source.html#l01405">bop_parameters.pb.h:1405</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_parameters_html_a80ad973bf83f2ad2f8b46dc2f29ee3a0"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_parameters.html#a80ad973bf83f2ad2f8b46dc2f29ee3a0">operations_research::bop::BopParameters::use_lp_strong_branching</a></div><div class="ttdeci">bool use_lp_strong_branching() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__parameters_8pb_8h_source.html#l02261">bop_parameters.pb.h:2261</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_parameters_html_abd8ce51563ce7dbbf18dda7ea6740131"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_parameters.html#abd8ce51563ce7dbbf18dda7ea6740131">operations_research::bop::BopParameters::max_lp_solve_for_feasibility_problems</a></div><div class="ttdeci">::PROTOBUF_NAMESPACE_ID::int32 max_lp_solve_for_feasibility_problems() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__parameters_8pb_8h_source.html#l02401">bop_parameters.pb.h:2401</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_parameters_html_ac69990a42d9842c83dc3466163703017"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_parameters.html#ac69990a42d9842c83dc3466163703017">operations_research::bop::BopParameters::exploit_symmetry_in_sat_first_solution</a></div><div class="ttdeci">bool exploit_symmetry_in_sat_first_solution() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__parameters_8pb_8h_source.html#l01937">bop_parameters.pb.h:1937</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_parameters_html_adc7fbb03b333df8896b8291d165dcd49"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_parameters.html#adc7fbb03b333df8896b8291d165dcd49">operations_research::bop::BopParameters::use_learned_binary_clauses_in_lp</a></div><div class="ttdeci">bool use_learned_binary_clauses_in_lp() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__parameters_8pb_8h_source.html#l02077">bop_parameters.pb.h:2077</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::BopRandomFirstSolutionGenerator::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00223">bop_fs.cc:223</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a75867bf55193845e840cc7cbdbdce8c1"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a75867bf55193845e840cc7cbdbdce8c1">operations_research::bop::BopRandomFirstSolutionGenerator::BopRandomFirstSolutionGenerator</a></div><div class="ttdeci">BopRandomFirstSolutionGenerator(const std::string &name, const BopParameters &parameters, sat::SatSolver *sat_propagator, MTRandom *random)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00213">bop_fs.cc:213</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::BopRandomFirstSolutionGenerator::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00228">bop_fs.cc:228</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a9790287c83013442016e37457149fa58"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a9790287c83013442016e37457149fa58">operations_research::bop::BopRandomFirstSolutionGenerator::~BopRandomFirstSolutionGenerator</a></div><div class="ttdeci">~BopRandomFirstSolutionGenerator() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00220">bop_fs.cc:220</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_solution_html_a5a7e1c8c6e190403753beff6168d66a8"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_solution.html#a5a7e1c8c6e190403753beff6168d66a8">operations_research::bop::BopSolution::GetScaledCost</a></div><div class="ttdeci">double GetScaledCost() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__solution_8h_source.html#l00064">bop_solution.h:64</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#l00072">bop_solution.h:72</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_solution_html_a9f0494e519e93f67f62ba4b76fde1c56"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_solution.html#a9f0494e519e93f67f62ba4b76fde1c56">operations_research::bop::BopSolution::GetCost</a></div><div class="ttdeci">int64_t GetCost() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__solution_8h_source.html#l00053">bop_solution.h:53</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::GuidedSatFirstSolutionGenerator::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00147">bop_fs.cc:147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a3416483a42a835b1803abcfd570b9271"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a3416483a42a835b1803abcfd570b9271">operations_research::bop::GuidedSatFirstSolutionGenerator::GuidedSatFirstSolutionGenerator</a></div><div class="ttdeci">GuidedSatFirstSolutionGenerator(const std::string &name, Policy policy)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00079">bop_fs.cc:79</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a5a32089ec52d7ec29b30e1d164f21f14"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a5a32089ec52d7ec29b30e1d164f21f14">operations_research::bop::GuidedSatFirstSolutionGenerator::~GuidedSatFirstSolutionGenerator</a></div><div class="ttdeci">~GuidedSatFirstSolutionGenerator() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00087">bop_fs.cc:87</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::GuidedSatFirstSolutionGenerator::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00160">bop_fs.cc:160</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy</a></div><div class="ttdeci">Policy</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00045">bop_fs.h:45</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72a3f0f0fd0a58407608ee43194b8bde37b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a3f0f0fd0a58407608ee43194b8bde37b">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kLpGuided</a></div><div class="ttdeci">@ kLpGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72a8be82401707aa36653dc3a55fa0e4c30"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72a8be82401707aa36653dc3a55fa0e4c30">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kUserGuided</a></div><div class="ttdeci">@ kUserGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72abe3cf98bda0f221392a76da269cf4fd8"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72abe3cf98bda0f221392a76da269cf4fd8">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kNotGuided</a></div><div class="ttdeci">@ kNotGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72ac5be1c29e0f1d21d4ed634bd969ea60d"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72ac5be1c29e0f1d21d4ed634bd969ea60d">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy::kObjectiveGuided</a></div><div class="ttdeci">@ kObjectiveGuided</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::LinearRelaxation::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00442">bop_fs.cc:442</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::LinearRelaxation::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00447">bop_fs.cc:447</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a8dcd99fe18446bb871246433178a5235"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8dcd99fe18446bb871246433178a5235">operations_research::bop::LinearRelaxation::LinearRelaxation</a></div><div class="ttdeci">LinearRelaxation(const BopParameters &parameters, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00343">bop_fs.cc:343</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_ab128c472edf63eacbd2712f97ec55072"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#ab128c472edf63eacbd2712f97ec55072">operations_research::bop::LinearRelaxation::~LinearRelaxation</a></div><div class="ttdeci">~LinearRelaxation() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00358">bop_fs.cc:358</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html">operations_research::bop::ProblemState</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00114">bop_base.h:114</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a1dfd4f5167c21a9a872f09f566817f27"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a1dfd4f5167c21a9a872f09f566817f27">operations_research::bop::ProblemState::solution</a></div><div class="ttdeci">const BopSolution & solution() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00196">bop_base.h:196</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a1edcde41f3dff977bb6db2223f1e124f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a1edcde41f3dff977bb6db2223f1e124f">operations_research::bop::ProblemState::lower_bound</a></div><div class="ttdeci">int64_t lower_bound() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00209">bop_base.h:209</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#l00249">bop_base.cc:249</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a5da5f1f7172bc738a52187f7b8d06af9"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a5da5f1f7172bc738a52187f7b8d06af9">operations_research::bop::ProblemState::lp_values</a></div><div class="ttdeci">const glop::DenseRow & lp_values() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00191">bop_base.h:191</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a64ae791bca42eca0e2155e81c36420c1"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a64ae791bca42eca0e2155e81c36420c1">operations_research::bop::ProblemState::IsVariableFixed</a></div><div class="ttdeci">bool IsVariableFixed(VariableIndex var) const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00175">bop_base.h:175</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a7a5110e0dc1017a81058fbfce4407292"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a7a5110e0dc1017a81058fbfce4407292">operations_research::bop::ProblemState::assignment_preference</a></div><div class="ttdeci">const std::vector< bool > assignment_preference() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00130">bop_base.h:130</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_a831918c2aa4802563301addc46efd0eb"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#a831918c2aa4802563301addc46efd0eb">operations_research::bop::ProblemState::original_problem</a></div><div class="ttdeci">const sat::LinearBooleanProblem & original_problem() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00201">bop_base.h:201</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_aa27fa90c75da28fa722a8390d031a604"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#aa27fa90c75da28fa722a8390d031a604">operations_research::bop::ProblemState::GetVariableFixedValue</a></div><div class="ttdeci">bool GetVariableFixedValue(VariableIndex var) const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00182">bop_base.h:182</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_ab6ce57c9f5711fa2cf5155b468c333ac"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#ab6ce57c9f5711fa2cf5155b468c333ac">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#l00176">bop_base.h:176</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_ac3f005f004bb2c049e3ee884c16dfeac"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#ac3f005f004bb2c049e3ee884c16dfeac">operations_research::bop::ProblemState::update_stamp</a></div><div class="ttdeci">int64_t update_stamp() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00156">bop_base.h:156</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_adb0496e18c263c65d88c43830b8b205b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#adb0496e18c263c65d88c43830b8b205b">operations_research::bop::ProblemState::upper_bound</a></div><div class="ttdeci">int64_t upper_bound() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00210">bop_base.h:210</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html_ae4f24c7b61b473847e51049b06d85003"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html#ae4f24c7b61b473847e51049b06d85003">operations_research::bop::ProblemState::GetParameters</a></div><div class="ttdeci">const BopParameters & GetParameters() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00123">bop_base.h:123</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_a09b7b43981bf08e9b82ca1896f91fd67"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a09b7b43981bf08e9b82ca1896f91fd67">operations_research::glop::GlopParameters::primal_feasibility_tolerance</a></div><div class="ttdeci">double primal_feasibility_tolerance() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01488">parameters.pb.h:1488</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_a82e08c2cbe3205da7975c1dae420cf77"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a82e08c2cbe3205da7975c1dae420cf77">operations_research::glop::GlopParameters::solution_feasibility_tolerance</a></div><div class="ttdeci">double solution_feasibility_tolerance() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01911">parameters.pb.h:1911</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_l_p_solver_html_a01f64f8af66c6c5a66d3b4ebc868cab6"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_l_p_solver.html#a01f64f8af66c6c5a66d3b4ebc868cab6">operations_research::glop::LPSolver::GetParameters</a></div><div class="ttdeci">const GlopParameters & GetParameters() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__solver_8cc_source.html#l00128">lp_solver.cc:128</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_l_p_solver_html_a96c1f660991b5007ca24564f69cd27b8"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_l_p_solver.html#a96c1f660991b5007ca24564f69cd27b8">operations_research::glop::LPSolver::GetObjectiveValue</a></div><div class="ttdeci">Fractional GetObjectiveValue() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__solver_8cc_source.html#l00487">lp_solver.cc:487</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_l_p_solver_html_ac5d36607cb29127a9ce5f6d6e7c140eb"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_l_p_solver.html#ac5d36607cb29127a9ce5f6d6e7c140eb">operations_research::glop::LPSolver::variable_values</a></div><div class="ttdeci">const DenseRow & variable_values() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__solver_8h_source.html#l00100">lp_solver.h:100</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_l_p_solver_html_ae3f158ad37c1fe375d465875fb8130f2"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_l_p_solver.html#ae3f158ad37c1fe375d465875fb8130f2">operations_research::glop::LPSolver::SolveWithTimeLimit</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT ProblemStatus SolveWithTimeLimit(const LinearProgram &lp, TimeLimit *time_limit)</div><div class="ttdef"><b>Definition:</b> <a href="lp__solver_8cc_source.html#l00138">lp_solver.cc:138</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_l_p_solver_html_ae7202d055b6b172a8a1da4f5b136f9ea"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_l_p_solver.html#ae7202d055b6b172a8a1da4f5b136f9ea">operations_research::glop::LPSolver::SetParameters</a></div><div class="ttdeci">void SetParameters(const GlopParameters &parameters)</div><div class="ttdef"><b>Definition:</b> <a href="lp__solver_8cc_source.html#l00116">lp_solver.cc:116</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_a0fe7ba825c8c6cd1efdcff6dec631093"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">operations_research::glop::LinearProgram::SetVariableBounds</a></div><div class="ttdeci">void SetVariableBounds(ColIndex col, Fractional lower_bound, Fractional upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00249">lp_data.cc:249</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_a18b017687d9940cc46c92e3937a18882"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a18b017687d9940cc46c92e3937a18882">operations_research::glop::LinearProgram::GetVariableName</a></div><div class="ttdeci">std::string GetVariableName(ColIndex col) const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00360">lp_data.cc:360</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_a1c4c019028d8b012b9d10e0a17bfaf4e"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a1c4c019028d8b012b9d10e0a17bfaf4e">operations_research::glop::LinearProgram::SetConstraintName</a></div><div class="ttdeci">void SetConstraintName(RowIndex row, absl::string_view name)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00245">lp_data.cc:245</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_a2d695f450ae446d5d9c225b991f8d88e"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a2d695f450ae446d5d9c225b991f8d88e">operations_research::glop::LinearProgram::SetCoefficient</a></div><div class="ttdeci">void SetCoefficient(RowIndex row, ColIndex col, Fractional value)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00317">lp_data.cc:317</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_a62b98dec38b6506442f9fc63f1a9b88f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a62b98dec38b6506442f9fc63f1a9b88f">operations_research::glop::LinearProgram::SetConstraintBounds</a></div><div class="ttdeci">void SetConstraintBounds(RowIndex row, Fractional lower_bound, Fractional upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00309">lp_data.cc:309</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_a74f1c824468608a9bb5fee6f10eca698"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a74f1c824468608a9bb5fee6f10eca698">operations_research::glop::LinearProgram::variable_upper_bounds</a></div><div class="ttdeci">const DenseRow & variable_upper_bounds() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00232">lp_data.h:232</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_aa71d36872f416feaa853788a7a7a7ef8"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#aa71d36872f416feaa853788a7a7a7ef8">operations_research::glop::LinearProgram::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00134">lp_data.cc:134</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_accdd045ec09206640c2338524da77d23"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#accdd045ec09206640c2338524da77d23">operations_research::glop::LinearProgram::IsMaximizationProblem</a></div><div class="ttdeci">bool IsMaximizationProblem() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00171">lp_data.h:171</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_ad9d564651057c77b3f2ca1293134557f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ad9d564651057c77b3f2ca1293134557f">operations_research::glop::LinearProgram::CreateNewConstraint</a></div><div class="ttdeci">RowIndex CreateNewConstraint()</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00191">lp_data.cc:191</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_adb3b261831be8afb947baceaba1c220b"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#adb3b261831be8afb947baceaba1c220b">operations_research::glop::LinearProgram::variable_lower_bounds</a></div><div class="ttdeci">const DenseRow & variable_lower_bounds() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00229">lp_data.h:229</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_boolean_problem_html_a9fd8f81a798fd34a843b007c10e40d6b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_boolean_problem.html#a9fd8f81a798fd34a843b007c10e40d6b">operations_research::sat::LinearBooleanProblem::objective</a></div><div class="ttdeci">const ::operations_research::sat::LinearObjective & objective() const</div><div class="ttdef"><b>Definition:</b> <a href="boolean__problem_8pb_8h_source.html#l01548">boolean_problem.pb.h:1548</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_objective_html_a72d41feda9a93c11089d3d99d6270999"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_objective.html#a72d41feda9a93c11089d3d99d6270999">operations_research::sat::LinearObjective::literals_size</a></div><div class="ttdeci">int literals_size() const</div><div class="ttdef"><b>Definition:</b> <a href="boolean__problem_8pb_8h_source.html#l01203">boolean_problem.pb.h:1203</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_objective_html_a96ffc785b7b2135c7980c985883ffdd3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_objective.html#a96ffc785b7b2135c7980c985883ffdd3">operations_research::sat::LinearObjective::offset</a></div><div class="ttdeci">double offset() const</div><div class="ttdef"><b>Definition:</b> <a href="boolean__problem_8pb_8h_source.html#l01308">boolean_problem.pb.h:1308</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_objective_html_a9e32504c3f1bddb0f25f1386ecf7987b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_objective.html#a9e32504c3f1bddb0f25f1386ecf7987b">operations_research::sat::LinearObjective::scaling_factor</a></div><div class="ttdeci">double scaling_factor() const</div><div class="ttdef"><b>Definition:</b> <a href="boolean__problem_8pb_8h_source.html#l01336">boolean_problem.pb.h:1336</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#l00065">sat_base.h:65</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_parameters_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_parameters.html">operations_research::sat::SatParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__parameters_8pb_8h_source.html#l00347">sat_parameters.pb.h:348</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_parameters_html_a7120a9ef363b14f95108f17415c9c3d0"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_parameters.html#a7120a9ef363b14f95108f17415c9c3d0">operations_research::sat::SatParameters::set_max_number_of_conflicts</a></div><div class="ttdeci">void set_max_number_of_conflicts(::PROTOBUF_NAMESPACE_ID::int64 value)</div><div class="ttdef"><b>Definition:</b> <a href="sat__parameters_8pb_8h_source.html#l04751">sat_parameters.pb.h:4751</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_parameters_html_a89082aa97657e1720a8c241a4afb4de8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_parameters.html#a89082aa97657e1720a8c241a4afb4de8">operations_research::sat::SatParameters::set_max_deterministic_time</a></div><div class="ttdeci">void set_max_deterministic_time(double value)</div><div class="ttdef"><b>Definition:</b> <a href="sat__parameters_8pb_8h_source.html#l04723">sat_parameters.pb.h:4723</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_parameters_html_aa148eda9a432e6c798d9e2eecc8645f4"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_parameters.html#aa148eda9a432e6c798d9e2eecc8645f4">operations_research::sat::SatParameters::set_random_seed</a></div><div class="ttdeci">void set_random_seed(::PROTOBUF_NAMESPACE_ID::int32 value)</div><div class="ttdef"><b>Definition:</b> <a href="sat__parameters_8pb_8h_source.html#l04891">sat_parameters.pb.h:4891</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_parameters_html_ad7217afa0f5bd97642d0d2291068c7f9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_parameters.html#ad7217afa0f5bd97642d0d2291068c7f9">operations_research::sat::SatParameters::set_max_time_in_seconds</a></div><div class="ttdeci">void set_max_time_in_seconds(double value)</div><div class="ttdef"><b>Definition:</b> <a href="sat__parameters_8pb_8h_source.html#l04695">sat_parameters.pb.h:4695</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00058">sat_solver.h:58</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a0b5d7f31620ad7b364e7415c47ee5e0d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a0b5d7f31620ad7b364e7415c47ee5e0d">operations_research::sat::SatSolver::AllPreferences</a></div><div class="ttdeci">std::vector< std::pair< Literal, double > > AllPreferences() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00154">sat_solver.h:154</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a1a5e26554d014197de9434d2c39e07e9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a1a5e26554d014197de9434d2c39e07e9">operations_research::sat::SatSolver::parameters</a></div><div class="ttdeci">const SatParameters & parameters() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00111">sat_solver.cc:111</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a1dc177ee88f0a7ce2e46a032e5c3cf02"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a1dc177ee88f0a7ce2e46a032e5c3cf02">operations_research::sat::SatSolver::ResetDecisionHeuristic</a></div><div class="ttdeci">void ResetDecisionHeuristic()</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00157">sat_solver.h:157</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a27e14216f4d9330375fc0089a1919f20"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a27e14216f4d9330375fc0089a1919f20">operations_research::sat::SatSolver::SolveWithTimeLimit</a></div><div class="ttdeci">Status SolveWithTimeLimit(TimeLimit *time_limit)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00969">sat_solver.cc:969</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a4793952607a98dfddfbcc17abfabbb4b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a4793952607a98dfddfbcc17abfabbb4b">operations_research::sat::SatSolver::Assignment</a></div><div class="ttdeci">const VariablesAssignment & Assignment() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00363">sat_solver.h:363</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::sat::SatSolver::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00181">sat_solver.h:181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">operations_research::sat::SatSolver::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00184">sat_solver.h:184</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">operations_research::sat::SatSolver::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00183">sat_solver.h:183</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a88dcaf0cf27bb4991376ed54d8f2698f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a88dcaf0cf27bb4991376ed54d8f2698f">operations_research::sat::SatSolver::AssumptionLevel</a></div><div class="ttdeci">int AssumptionLevel() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00221">sat_solver.h:221</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a955786dcbe82b7c4dc9924a5473ac1e8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a955786dcbe82b7c4dc9924a5473ac1e8">operations_research::sat::SatSolver::SetAssignmentPreference</a></div><div class="ttdeci">void SetAssignmentPreference(Literal literal, double weight)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00151">sat_solver.h:151</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a99ad912d89d06226159ee1d4478b6af6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a99ad912d89d06226159ee1d4478b6af6">operations_research::sat::SatSolver::ResetDecisionHeuristicAndSetAllPreferences</a></div><div class="ttdeci">void ResetDecisionHeuristicAndSetAllPreferences(const std::vector< std::pair< Literal, double > > &prefs)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00160">sat_solver.h:160</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a9d584b84d7b882a6017b072b33475172"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a9d584b84d7b882a6017b072b33475172">operations_research::sat::SatSolver::SetParameters</a></div><div class="ttdeci">void SetParameters(const SatParameters &parameters)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00116">sat_solver.cc:116</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_ac035378cea0ed7b0978105547402faa8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#ac035378cea0ed7b0978105547402faa8">operations_research::sat::SatSolver::Backtrack</a></div><div class="ttdeci">void Backtrack(int target_level)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00889">sat_solver.cc:889</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_ac714aeb75f0f6dd87e52e5d1a0d6edc7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#ac714aeb75f0f6dd87e52e5d1a0d6edc7">operations_research::sat::SatSolver::RestoreSolverToAssumptionLevel</a></div><div class="ttdeci">bool RestoreSolverToAssumptionLevel()</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00512">sat_solver.cc:512</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_acace892b69b55e3ee219e2893f34ef8f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f">operations_research::sat::SatSolver::num_failures</a></div><div class="ttdeci">int64_t num_failures() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00085">sat_solver.cc:85</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_ad2a33e1d9335cce63548abed6b5c8aab"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#ad2a33e1d9335cce63548abed6b5c8aab">operations_research::sat::SatSolver::IsModelUnsat</a></div><div class="ttdeci">bool IsModelUnsat() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00137">sat_solver.h:137</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_symmetry_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_symmetry_propagator.html">operations_research::sat::SymmetryPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="symmetry_8h_source.html#l00061">symmetry.h:61</a></div></div>
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<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00116">cp_model_fz_solver.cc:116</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_aec8af5c1be4e1b6d4330e1161028de21"><div class="ttname"><a href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a></div><div class="ttdeci">ModelSharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02013">cp_model_solver.cc:2013</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#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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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#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a1e2f9a2352c1d9a6cada9544898fceec"><div class="ttname"><a href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a></div><div class="ttdeci">double lower_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00125">gscip_solver.cc:125</a></div></div>
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<div class="ttc" id="ainterval_8cc_html_adeaf787e3a80bbf698cb9e26264474e0"><div class="ttname"><a href="interval_8cc.html#adeaf787e3a80bbf698cb9e26264474e0">offset_</a></div><div class="ttdeci">const int64_t offset_</div><div class="ttdef"><b>Definition:</b> <a href="interval_8cc_source.html#l02108">interval.cc:2108</a></div></div>
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<div class="ttc" id="alp__print__utils_8h_html"><div class="ttname"><a href="lp__print__utils_8h.html">lp_print_utils.h</a></div></div>
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<div class="ttc" id="alp__solver_8h_html"><div class="ttname"><a href="lp__solver_8h.html">lp_solver.h</a></div></div>
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<div class="ttc" id="amarkowitz_8cc_html_aa9d6c98fdf8d89b0e2321fda02adc82c"><div class="ttname"><a href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a></div><div class="ttdeci">ColIndex col</div><div class="ttdef"><b>Definition:</b> <a href="markowitz_8cc_source.html#l00183">markowitz.cc:183</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1bop_html_a2c3c1538ecc101963e5c92ff9bfb33bb"><div class="ttname"><a href="namespaceoperations__research_1_1bop.html#a2c3c1538ecc101963e5c92ff9bfb33bb">operations_research::bop::LoadStateProblemToSatSolver</a></div><div class="ttdeci">BopOptimizerBase::Status LoadStateProblemToSatSolver(const ProblemState &problem_state, sat::SatSolver *sat_solver)</div><div class="ttdef"><b>Definition:</b> <a href="bop__util_8cc_source.html#l00088">bop_util.cc:88</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1bop_html_a49c2b7c159260e338438fc2e167a0c3d"><div class="ttname"><a href="namespaceoperations__research_1_1bop.html#a49c2b7c159260e338438fc2e167a0c3d">operations_research::bop::SatAssignmentToBopSolution</a></div><div class="ttdeci">void SatAssignmentToBopSolution(const sat::VariablesAssignment &assignment, BopSolution *solution)</div><div class="ttdef"><b>Definition:</b> <a href="bop__util_8cc_source.html#l00122">bop_util.cc:122</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1bop_html_a717f3da5a33db3ffe67861f8731b254a"><div class="ttname"><a href="namespaceoperations__research_1_1bop.html#a717f3da5a33db3ffe67861f8731b254a">operations_research::bop::ExtractLearnedInfoFromSatSolver</a></div><div class="ttdeci">void ExtractLearnedInfoFromSatSolver(sat::SatSolver *solver, LearnedInfo *info)</div><div class="ttdef"><b>Definition:</b> <a href="bop__util_8cc_source.html#l00099">bop_util.cc:99</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a4dc8ae0f97c4110f3cc770715b2bbd12"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a4dc8ae0f97c4110f3cc770715b2bbd12">operations_research::glop::DenseRow</a></div><div class="ttdeci">StrictITIVector< ColIndex, Fractional > DenseRow</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00303">lp_types.h:303</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a509c4e359e6f7041eddfac3f1c46a92f"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a509c4e359e6f7041eddfac3f1c46a92f">operations_research::glop::GetProblemStatusString</a></div><div class="ttdeci">std::string GetProblemStatusString(ProblemStatus problem_status)</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8cc_source.html#l00019">lp_types.cc:19</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a733947145e3e1631165b618b05c9ccb7"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">operations_research::glop::Fractional</a></div><div class="ttdeci">double Fractional</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00078">lp_types.h:78</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">operations_research::glop::ProblemStatus</a></div><div class="ttdeci">ProblemStatus</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00102">lp_types.h:102</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493a0beacd9ca195de65e685252f1b46b954"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a0beacd9ca195de65e685252f1b46b954">operations_research::glop::ProblemStatus::IMPRECISE</a></div><div class="ttdeci">@ IMPRECISE</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493a2dcc8f5d91cb2aa2065b8305bf2d5cbd"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a2dcc8f5d91cb2aa2065b8305bf2d5cbd">operations_research::glop::ProblemStatus::PRIMAL_FEASIBLE</a></div><div class="ttdeci">@ PRIMAL_FEASIBLE</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493a57ad14e7a035f33c8ba6c0ea9ea23caa"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a57ad14e7a035f33c8ba6c0ea9ea23caa">operations_research::glop::ProblemStatus::DUAL_FEASIBLE</a></div><div class="ttdeci">@ DUAL_FEASIBLE</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493af00c8dbdd6e1f11bdae06be94277d293"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493af00c8dbdd6e1f11bdae06be94277d293">operations_research::glop::ProblemStatus::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493afaee4ca3c30ee18148ce3ada37466498"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493afaee4ca3c30ee18148ce3ada37466498">operations_research::glop::ProblemStatus::INIT</a></div><div class="ttdeci">@ INIT</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_af9a790b7e8c5b0c6d55b336177378e78"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">operations_research::glop::kInfinity</a></div><div class="ttdeci">const double kInfinity</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00084">lp_types.h:84</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ab61209db5b13f0d424da009e414298fc"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ab61209db5b13f0d424da009e414298fc">operations_research::math_opt::Coefficient</a></div><div class="ttdeci">std::tuple< int64_t, int64_t, const double > Coefficient</div><div class="ttdef"><b>Definition:</b> <a href="sparse__collection__matchers_8h_source.html#l00061">sparse_collection_matchers.h:61</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a07c4372fa55782d13edd24b86130e3ba"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a07c4372fa55782d13edd24b86130e3ba">operations_research::sat::AddObjectiveConstraint</a></div><div class="ttdeci">bool AddObjectiveConstraint(const LinearBooleanProblem &problem, bool use_lower_bound, Coefficient lower_bound, bool use_upper_bound, Coefficient upper_bound, SatSolver *solver)</div><div class="ttdef"><b>Definition:</b> <a href="boolean__problem_8cc_source.html#l00338">boolean_problem.cc:338</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a40254eb00d4590a09d811fe94c727c2a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a40254eb00d4590a09d811fe94c727c2a">operations_research::sat::UseObjectiveForSatAssignmentPreference</a></div><div class="ttdeci">void UseObjectiveForSatAssignmentPreference(const LinearBooleanProblem &problem, SatSolver *solver)</div><div class="ttdef"><b>Definition:</b> <a href="boolean__problem_8cc_source.html#l00309">boolean_problem.cc:309</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a4591e100a0f29a249169e5833995cd31"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a4591e100a0f29a249169e5833995cd31">operations_research::sat::ConvertBooleanProblemToLinearProgram</a></div><div class="ttdeci">void ConvertBooleanProblemToLinearProgram(const LinearBooleanProblem &problem, glop::LinearProgram *lp)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l01116">sat/lp_utils.cc:1116</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab8fc8c65994a7fc67743e4bde4d61efb"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab8fc8c65994a7fc67743e4bde4d61efb">operations_research::sat::FindLinearBooleanProblemSymmetries</a></div><div class="ttdeci">void FindLinearBooleanProblemSymmetries(const LinearBooleanProblem &problem, std::vector< std::unique_ptr< SparsePermutation > > *generators)</div><div class="ttdef"><b>Definition:</b> <a href="boolean__problem_8cc_source.html#l00672">boolean_problem.cc:672</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aef1ea7e6296a28c0fa0752328d8cb900"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aef1ea7e6296a28c0fa0752328d8cb900">operations_research::sat::RandomizeDecisionHeuristic</a></div><div class="ttdeci">void RandomizeDecisionHeuristic(URBG *random, SatParameters *parameters)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8h_source.html#l00109">sat/util.h:109</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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<div class="ttc" id="apreprocessor_8cc_html_a72ecc219428436501225dd42f67c73a9"><div class="ttname"><a href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a></div><div class="ttdeci">Fractional scaled_cost</div><div class="ttdef"><b>Definition:</b> <a href="preprocessor_8cc_source.html#l00466">preprocessor.cc:466</a></div></div>
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<div class="ttc" id="asat_2lp__utils_8h_html"><div class="ttname"><a href="sat_2lp__utils_8h.html">lp_utils.h</a></div></div>
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<div class="ttc" id="asat_2util_8h_html"><div class="ttname"><a href="sat_2util_8h.html">util.h</a></div></div>
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<div class="ttc" id="asat__solver_8h_html"><div class="ttname"><a href="sat__solver_8h.html">sat_solver.h</a></div></div>
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<div class="ttc" id="asparse__permutation_8h_html"><div class="ttname"><a href="sparse__permutation_8h.html">sparse_permutation.h</a></div></div>
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<div class="ttc" id="astl__util_8h_html"><div class="ttname"><a href="stl__util_8h.html">stl_util.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html">operations_research::bop::LearnedInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00248">bop_base.h:248</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html_a8e4368b4553131cf24b49b9de6e6189f"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html#a8e4368b4553131cf24b49b9de6e6189f">operations_research::bop::LearnedInfo::lower_bound</a></div><div class="ttdeci">int64_t lower_bound</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00272">bop_base.h:272</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#l00278">bop_base.h:278</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#l00269">bop_base.h:269</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html_aa71d36872f416feaa853788a7a7a7ef8"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html#aa71d36872f416feaa853788a7a7a7ef8">operations_research::bop::LearnedInfo::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00258">bop_base.h:258</a></div></div>
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<div class="ttc" id="asymmetry_8h_html"><div class="ttname"><a href="symmetry_8h.html">symmetry.h</a></div></div>
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