1453 lines
323 KiB
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1453 lines
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<div class="headertitle"><div class="title">scip_interface.cc</div></div>
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<a href="scip__interface_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">#if defined(USE_SCIP)</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 <stddef.h></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/types/optional.h"</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="cleanup_8h.html">ortools/base/cleanup.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="commandlineflags_8h.html">ortools/base/commandlineflags.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="hash_8h.html">ortools/base/hash.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="integral__types_8h.html">ortools/base/integral_types.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="base_2logging_8h.html">ortools/base/logging.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="status__macros_8h.html">ortools/base/status_macros.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="timer_8h.html">ortools/base/timer.h</a>"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="legacy__scip__params_8h.html">ortools/gscip/legacy_scip_params.h</a>"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "<a class="code" href="linear__solver_8h.html">ortools/linear_solver/linear_solver.h</a>"</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "<a class="code" href="linear__solver_8pb_8h.html">ortools/linear_solver/linear_solver.pb.h</a>"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="linear__solver__callback_8h.html">ortools/linear_solver/linear_solver_callback.h</a>"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="scip__callback_8h.html">ortools/linear_solver/scip_callback.h</a>"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "<a class="code" href="scip__helper__macros_8h.html">ortools/linear_solver/scip_helper_macros.h</a>"</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "<a class="code" href="scip__proto__solver_8h.html">ortools/linear_solver/scip_proto_solver.h</a>"</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include "scip/cons_indicator.h"</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "scip/scip.h"</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#include "scip/scip_copy.h"</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include "scip/scip_param.h"</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#include "scip/scip_prob.h"</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#include "scip/scipdefplugins.h"</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a0c995fe033eca0f3e3213f56e9f4d258"> 49</a></span><a class="code hl_function" href="scip__interface_8cc.html#a0c995fe033eca0f3e3213f56e9f4d258">ABSL_FLAG</a>(<span class="keywordtype">bool</span>, scip_feasibility_emphasis, <span class="keyword">false</span>,</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="stringliteral">"When true, emphasize search towards feasibility. This may or "</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="stringliteral">"may not result in speedups in some problems."</span>);</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</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="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment">// See the class ScipConstraintHandlerForMPCallback below.</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword">struct </span>EmptyStruct {};</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="keyword">class </span>ScipConstraintHandlerForMPCallback;</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html"> 61</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1_s_c_i_p_interface.html">SCIPInterface</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a> {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca">SCIPInterface</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* solver);</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1">~SCIPInterface</a>() <span class="keyword">override</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> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4">SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">Solve</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> absl::optional<MPSolutionResponse> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#aa3ff809c3ba53969d98fb9c9e027083f">DirectlySolveProto</a>(</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_model_request.html">MPModelRequest</a>& request, std::atomic<bool>* interrupt) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">Reset</a>() <span class="keyword">override</span>;</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> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477">SetVariableBounds</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48">SetVariableInteger</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">bool</span> integer) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53">SetConstraintBounds</a>(<span class="keywordtype">int</span> row_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5">AddRowConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031">AddIndicatorConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74">AddVariable</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2">SetCoefficient</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable,</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">double</span> new_value, <span class="keywordtype">double</span> old_value) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384">ClearConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b">SetObjectiveCoefficient</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable,</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">SetObjectiveOffset</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">ClearObjective</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695">BranchingPriorityChangedForVariable</a>(<span class="keywordtype">int</span> var_index) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> int64_t <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#ae6985cb017825222a1d260ce55f9c598">iterations</a>() <span class="keyword">const override</span>;</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> int64_t <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#ad574ab34472f639e86c4b5510e58a938">nodes</a>() <span class="keyword">const override</span>;</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a6f1bec23477838426baf832738e752de"> 90</a></span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a6f1bec23477838426baf832738e752de">row_status</a>(<span class="keywordtype">int</span> constraint_index)<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(DFATAL) << <span class="stringliteral">"Basis status only available for continuous problems"</span>;</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_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">MPSolver::FREE</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"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af648842d17e3301389e84dbf0cfcef18"> 94</a></span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af648842d17e3301389e84dbf0cfcef18">column_status</a>(<span class="keywordtype">int</span> variable_index)<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(DFATAL) << <span class="stringliteral">"Basis status only available for continuous problems"</span>;</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">MPSolver::FREE</a>;</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a4138871e96e884736818baa24b937ca5"> 99</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a4138871e96e884736818baa24b937ca5">IsContinuous</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#ae0c104defe537af5cb4c74472bd855b3"> 100</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#ae0c104defe537af5cb4c74472bd855b3">IsLP</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#ae3441d342bd353e7ce0aa60662872592"> 101</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#ae3441d342bd353e7ce0aa60662872592">IsMIP</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424">ExtractNewVariables</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">ExtractNewConstraints</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">ExtractObjective</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe"> 107</a></span> std::string <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe">SolverVersion</a>()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"SCIP %d.%d.%d [LP solver: %s]"</span>, SCIPmajorVersion(),</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> SCIPminorVersion(), SCIPtechVersion(),</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_function" href="lpi__glop_8cc.html#a8eb9536dfc7755a18b8f8df5a4b2876d">SCIPlpiGetSolverName</a>());</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> }</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a29067fc2546e6cbee9b6cb77fa4a22"> 113</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a29067fc2546e6cbee9b6cb77fa4a22">InterruptSolve</a>()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">const</span> absl::MutexLock lock(&hold_interruptions_mutex_);</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">if</span> (scip_ == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_define" href="base_2logging_8h.html#a09f7d88282cf92c9f231270ac113e5c6">LOG_IF</a>(DFATAL, status_.ok()) << <span class="stringliteral">"scip_ is null is unexpected here, since "</span></div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="stringliteral">"status_ did not report any error"</span>;</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</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">return</span> SCIPinterruptSolve(scip_) == SCIP_OKAY;</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a3fb40176ccbc43c52d549364ad081f0d"> 123</a></span> <span class="keywordtype">void</span>* <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a3fb40176ccbc43c52d549364ad081f0d">underlying_solver</a>()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(scip_); }</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// MULTIPLE SOLUTIONS SUPPORT</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// The default behavior of scip is to store the top incidentally generated</span></div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// integer solutions in the solution pool. The default maximum size is 100.</span></div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// This can be adjusted by setting the param limits/maxsol. There is no way</span></div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// to ensure that the pool will actually be full.</span></div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// You can also ask SCIP to enumerate all feasible solutions. Combined with</span></div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// an equality or inequality constraint on the objective (after solving once</span></div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// to find the optimal solution), you can use this to find all high quality</span></div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// solutions. See https://scip.zib.de/doc/html/COUNTER.php. This behavior is</span></div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// not supported directly through MPSolver, but in theory can be controlled</span></div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// entirely through scip parameters.</span></div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af09b34b07f4db68ced0239cc959ee2e2">NextSolution</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// CALLBACK SUPPORT:</span></div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// * We support MPSolver's callback API via MPCallback.</span></div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// See ./linear_solver_callback.h.</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// * We also support SCIP's more general callback interface, built on</span></div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// 'constraint handlers'. See ./scip_callback.h and test, these are added</span></div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// directly to the underlying SCIP object, bypassing SCIPInterface.</span></div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// The former works by calling the latter. See go/scip-callbacks for</span></div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// a complete documentation of this design.</span></div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// MPCallback API</span></div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9436ed8aa5d2540af34e24ba7a8c196d">SetCallback</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_callback.html">MPCallback</a>* mp_callback) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a7161a285a13ffdffbe90d890d061ab21"> 150</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a7161a285a13ffdffbe90d890d061ab21">SupportsCallbacks</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">void</span> SetParameters(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordtype">void</span> SetRelativeMipGap(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordtype">void</span> SetPrimalTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordtype">void</span> SetDualTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">void</span> SetPresolveMode(<span class="keywordtype">int</span> presolve) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordtype">void</span> SetScalingMode(<span class="keywordtype">int</span> scaling) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordtype">void</span> SetLpAlgorithm(<span class="keywordtype">int</span> lp_algorithm) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// SCIP parameters allow to lower and upper bound the number of threads used</span></div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// (via "parallel/minnthreads" and "parallel/maxnthread", respectively). Here,</span></div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// we interpret "num_threads" to mean "parallel/maxnthreads", as this is what</span></div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="comment">// most clients probably want to do. To change "parallel/minnthreads" use</span></div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// SetSolverSpecificParametersAsString(). However, one must change</span></div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// "parallel/maxnthread" with SetNumThreads() because only this will inform</span></div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="comment">// the interface to run SCIPsolveConcurrent() instead of SCIPsolve() which is</span></div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="comment">// necessery to enable multi-threading.</span></div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> absl::Status SetNumThreads(<span class="keywordtype">int</span> num_threads) <span class="keyword">override</span>;</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> <span class="keywordtype">bool</span> SetSolverSpecificParametersAsString(</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">const</span> std::string& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordtype">void</span> SetUnsupportedIntegerParam(</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordtype">void</span> SetIntegerParamToUnsupportedValue(<a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param,</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// How many solutions SCIP found.</span></div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordtype">int</span> SolutionCount();</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// Copy sol from SCIP to MPSolver.</span></div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordtype">void</span> SetSolution(SCIP_SOL* solution);</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> absl::Status CreateSCIP();</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// Deletes variables and constraints from scip_ and reset scip_ to null. If</span></div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// return_scip is false, deletes the SCIP object; if true, returns it (but</span></div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// scip_ is still set to null).</span></div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> SCIP* DeleteSCIP(<span class="keywordtype">bool</span> return_scip = <span class="keyword">false</span>);</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="comment">// SCIP has many internal checks (many of which are numerical) that can fail</span></div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="comment">// during various phases: upon startup, when loading the model, when solving,</span></div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// etc. Often, the user is meant to stop at the first error, but since most</span></div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// of the linear solver interface API doesn't support "error reporting", we</span></div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// store a potential error status here.</span></div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">// If this status isn't OK, then most operations will silently be cancelled.</span></div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> absl::Status status_;</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> SCIP* scip_;</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> std::vector<SCIP_VAR*> scip_variables_;</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> std::vector<SCIP_CONS*> scip_constraints_;</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">int</span> current_solution_index_ = 0;</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_callback.html">MPCallback</a>* callback_ = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> std::unique_ptr<ScipConstraintHandlerForMPCallback> scip_constraint_handler_;</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// See ScipConstraintHandlerForMPCallback below.</span></div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> EmptyStruct constraint_data_for_handler_;</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordtype">bool</span> branching_priority_reset_ = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordtype">bool</span> callback_reset_ = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// Mutex that is held to prevent InterruptSolve() to call SCIPinterruptSolve()</span></div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// when scip_ is being built. It also prevents rebuilding scip_ until</span></div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="comment">// SCIPinterruptSolve() has returned.</span></div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">mutable</span> absl::Mutex hold_interruptions_mutex_;</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span>};</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html"> 214</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html">ScipConstraintHandlerForMPCallback</a></div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler</a><EmptyStruct> {</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a217afaf472e9bfb3d51df228332b1a68">ScipConstraintHandlerForMPCallback</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_callback.html">MPCallback</a>* <a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a74c41cbfedc3b09026579e267895acd6">mp_callback</a>);</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> std::vector<CallbackRangeConstraint> <a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a3e18f80cfb3f611733d1bb64990e6cd3">SeparateFractionalSolution</a>(</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keyword">const</span> EmptyStruct&) <span class="keyword">override</span>;</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> std::vector<CallbackRangeConstraint> <a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#af53667948cc93bb50d6573bfaa2f090b">SeparateIntegerSolution</a>(</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keyword">const</span> EmptyStruct&) <span class="keyword">override</span>;</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a74c41cbfedc3b09026579e267895acd6"> 225</a></span> <a class="code hl_class" href="classoperations__research_1_1_m_p_callback.html">MPCallback</a>* <span class="keyword">const</span> <a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a74c41cbfedc3b09026579e267895acd6">mp_callback</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mp_callback_; }</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> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> std::vector<CallbackRangeConstraint> SeparateSolution(</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_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> at_integer_solution);</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_callback.html">MPCallback</a>* <span class="keyword">const</span> mp_callback_;</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span>};</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"><a class="line" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd"> 235</a></span><span class="preprocessor">#define RETURN_IF_ALREADY_IN_ERROR_STATE \</span></div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="preprocessor"> do { \</span></div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span><span class="preprocessor"> if (!status_.ok()) { \</span></div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="preprocessor"> VLOG_EVERY_N(1, 10) << "Early abort: SCIP is in error state."</span>; \</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> return; \</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> } \</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> } while (false)</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f"> 243</a></span><span class="preprocessor">#define RETURN_AND_STORE_IF_SCIP_ERROR(x) \</span></div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="preprocessor"> do { \</span></div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span><span class="preprocessor"> status_ = SCIP_TO_STATUS(x); \</span></div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span><span class="preprocessor"> if (!status_.ok()) return; \</span></div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span><span class="preprocessor"> } while (false)</span></div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca"> 249</a></span><a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca">SCIPInterface::SCIPInterface</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* solver)</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> : <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>(solver), scip_(nullptr) {</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> status_ = CreateSCIP();</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> </div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1"> 254</a></span><a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1">SCIPInterface::~SCIPInterface</a>() { DeleteSCIP(); }</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5"> 256</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">SCIPInterface::Reset</a>() {</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// We hold calls to SCIPinterruptSolve() until the new scip_ is fully built.</span></div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="keyword">const</span> absl::MutexLock lock(&hold_interruptions_mutex_);</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> </div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="comment">// Remove existing one but keep it alive to copy parameters from it.</span></div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> SCIP* old_scip = DeleteSCIP(<span class="comment">/*return_scip=*/</span><span class="keyword">true</span>);</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keyword">const</span> <span class="keyword">auto</span> scip_deleter = <a class="code hl_function" href="namespaceabsl.html#a01547ab811df98c71089487f394ec259">absl::MakeCleanup</a>(</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> [&old_scip]() { <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(SCIPfree(&old_scip), SCIP_OKAY); });</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> </div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> scip_constraint_handler_.reset();</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">ResetExtractionInformation</a>();</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> </div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// Install the new one.</span></div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> status_ = CreateSCIP();</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">if</span> (!status_.ok()) {</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> }</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> <span class="comment">// Copy all existing parameters from the previous SCIP to the new one. This</span></div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// ensures that if a user calls multiple times</span></div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// SetSolverSpecificParametersAsString() and then Reset() is called, we still</span></div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// take into account all parameters. Note though that at the end of Solve(),</span></div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// parameters are reset so after Solve() has been called, only the last set</span></div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// parameters are kept.</span></div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcopyParamSettings(old_scip, scip_));</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span>}</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span>absl::Status SCIPInterface::CreateSCIP() {</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreate(&scip_));</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPincludeDefaultPlugins(scip_));</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="comment">// Set the emphasis to enum SCIP_PARAMEMPHASIS_FEASIBILITY. Do not print</span></div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="comment">// the new parameter (quiet = true).</span></div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">if</span> (absl::GetFlag(FLAGS_scip_feasibility_emphasis)) {</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsetEmphasis(scip_, SCIP_PARAMEMPHASIS_FEASIBILITY,</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="comment">/*quiet=*/</span><span class="keyword">true</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="comment">// Default clock type. We use wall clock time because getting CPU user seconds</span></div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="comment">// involves calling times() which is very expensive.</span></div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="comment">// NOTE(user): Also, time limit based on CPU user seconds is *NOT* thread</span></div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="comment">// safe. We observed that different instances of SCIP running concurrently</span></div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="comment">// in different threads consume the time limit *together*. E.g., 2 threads</span></div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="comment">// running SCIP with time limit 10s each will both terminate after ~5s.</span></div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> SCIPsetIntParam(scip_, <span class="stringliteral">"timing/clocktype"</span>, SCIP_CLOCKTYPE_WALL));</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateProb(scip_, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->name_.c_str(), <span class="keyword">nullptr</span>,</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>,</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>));</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsetObjsense(</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> scip_, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">maximize_</a> ? SCIP_OBJSENSE_MAXIMIZE : SCIP_OBJSENSE_MINIMIZE));</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span>}</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>SCIP* SCIPInterface::DeleteSCIP(<span class="keywordtype">bool</span> return_scip) {</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// NOTE(user): DeleteSCIP() shouldn't "give up" mid-stage if it fails, since</span></div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// it might be the user's chance to reset the solver to start fresh without</span></div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="comment">// errors. The current code isn't perfect, since some CHECKs() remain, but</span></div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="comment">// hopefully they'll never be triggered in practice.</span></div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < scip_variables_.size(); ++i) {</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(SCIPreleaseVar(scip_, &scip_variables_[i]), SCIP_OKAY);</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> }</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> scip_variables_.clear();</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < scip_constraints_.size(); ++j) {</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(SCIPreleaseCons(scip_, &scip_constraints_[j]), SCIP_OKAY);</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> }</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> scip_constraints_.clear();</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> </div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> SCIP* old_scip = scip_;</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> scip_ = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">if</span> (!return_scip) {</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(SCIPfree(&old_scip), SCIP_OKAY);</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> }</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordflow">return</span> old_scip;</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span>}</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="comment">// Not cached.</span></div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4"> 332</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4">SCIPInterface::SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize) {</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</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="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPsetObjsense(</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> scip_, maximize ? SCIP_OBJSENSE_MAXIMIZE : SCIP_OBJSENSE_MINIMIZE));</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"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477"> 340</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477">SCIPInterface::SetVariableBounds</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) {</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// Not cached if the variable has been extracted.</span></div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(var_index, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>);</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> SCIPchgVarLb(scip_, scip_variables_[var_index], lb));</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> SCIPchgVarUb(scip_, scip_variables_[var_index], ub));</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> }</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span>}</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48"> 356</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48">SCIPInterface::SetVariableInteger</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">bool</span> integer) {</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// Not cached if the variable has been extracted.</span></div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span><span class="preprocessor">#if (SCIP_VERSION >= 210)</span></div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> SCIP_Bool infeasible = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPchgVarType(</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> scip_, scip_variables_[var_index],</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> integer ? SCIP_VARTYPE_INTEGER : SCIP_VARTYPE_CONTINUOUS, &infeasible));</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPchgVarType(</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> scip_, scip_variables_[var_index],</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> integer ? SCIP_VARTYPE_INTEGER : SCIP_VARTYPE_CONTINUOUS));</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span><span class="preprocessor">#endif </span><span class="comment">// SCIP_VERSION >= 210</span></div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</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>}</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> </div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53"> 377</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53">SCIPInterface::SetConstraintBounds</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) {</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="comment">// Not cached if the row has been extracted.</span></div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>);</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> SCIPchgLhsLinear(scip_, scip_constraints_[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>], lb));</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> SCIPchgRhsLinear(scip_, scip_constraints_[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>], ub));</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> }</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span>}</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2"> 393</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2">SCIPInterface::SetCoefficient</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint,</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable, <span class="keywordtype">double</span> new_value,</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keywordtype">double</span> old_value) {</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(variable-><a class="code hl_function" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>()) &&</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(constraint-><a class="code hl_function" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>())) {</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="comment">// The modification of the coefficient for an extracted row and</span></div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="comment">// variable is not cached.</span></div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(constraint-><a class="code hl_function" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>(), <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>);</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(variable-><a class="code hl_function" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>(), <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>);</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="comment">// SCIP does not allow to set a coefficient directly, so we add the</span></div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="comment">// difference between the new and the old value instead.</span></div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCoefLinear(</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> scip_, scip_constraints_[constraint-><a class="code hl_function" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>()],</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> scip_variables_[variable-><a class="code hl_function" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>()], new_value - old_value));</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="comment">// The modification of an unextracted row or variable is cached</span></div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="comment">// and handled in ExtractModel.</span></div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> }</div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span>}</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><span class="comment">// Not cached</span></div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384"> 418</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384">SCIPInterface::ClearConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint) {</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keyword">const</span> <span class="keywordtype">int</span> constraint_index = constraint-><a class="code hl_function" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>();</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="comment">// Constraint may not have been extracted yet.</span></div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(constraint_index)) <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : constraint->coefficients_) {</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="keyword">const</span> <span class="keywordtype">double</span> old_coef_value = entry.second;</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index));</div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="comment">// Set coefficient to zero by subtracting the old coefficient value.</span></div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> SCIPaddCoefLinear(scip_, scip_constraints_[constraint_index],</div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> scip_variables_[var_index], -old_coef_value));</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> }</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span>}</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><span class="comment">// Cached</span></div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b"> 437</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b">SCIPInterface::SetObjectiveCoefficient</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable,</div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a>) {</div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span>}</div>
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> </div>
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<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span><span class="comment">// Cached</span></div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd"> 443</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">SCIPInterface::SetObjectiveOffset</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</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"> 447</span><span class="comment">// Clear objective of all its terms.</span></div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068"> 448</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">SCIPInterface::ClearObjective</a>() {</div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> </div>
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<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="comment">// Clear linear terms</span></div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->objective_->coefficients_) {</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="comment">// Variable may have not been extracted yet.</span></div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <a class="code hl_define" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a>);</div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> } <span class="keywordflow">else</span> {</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="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> SCIPchgVarObj(scip_, scip_variables_[var_index], 0.0));</div>
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> }</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="comment">// Note: we don't clear the objective offset here because it's not necessary</span></div>
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<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="comment">// (it's always reset anyway in ExtractObjective) and we sometimes run into</span></div>
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<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="comment">// crashes when clearing the whole model (see</span></div>
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<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">// http://test/OCL:253365573:BASE:253566457:1560777456754:e181f4ab).</span></div>
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<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="comment">// It's not worth to spend time investigating this issue.</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> </div>
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<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695"> 472</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695">SCIPInterface::BranchingPriorityChangedForVariable</a>(<span class="keywordtype">int</span> var_index) {</div>
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<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="comment">// As of 2019-05, SCIP does not support setting branching priority for</span></div>
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<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="comment">// variables in models that have already been solved. Therefore, we force</span></div>
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<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <span class="comment">// reset the model when setting the priority on an already extracted variable.</span></div>
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<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="comment">// Note that this is a more drastic step than merely changing the sync_status.</span></div>
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<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="comment">// This may be slightly conservative, as it is technically possible that</span></div>
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<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="comment">// the extraction has occurred without a call to Solve().</span></div>
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<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> branching_priority_reset_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> }</div>
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<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span>}</div>
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<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> </div>
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<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5"> 484</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5">SCIPInterface::AddRowConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) {</div>
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<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span>}</div>
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<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> </div>
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<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031"> 488</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031">SCIPInterface::AddIndicatorConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) {</div>
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<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keywordflow">return</span> <span class="keyword">true</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"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74"> 493</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74">SCIPInterface::AddVariable</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) { <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>; }</div>
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<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> </div>
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<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424"> 495</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424">SCIPInterface::ExtractNewVariables</a>() {</div>
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<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="keywordtype">int</span> total_num_vars = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size();</div>
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<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="keywordflow">if</span> (total_num_vars > <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>) {</div>
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<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> <span class="comment">// Define new variables</span></div>
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<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>; j < total_num_vars; ++j) {</div>
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<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_[j];</div>
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<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(j));</div>
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<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">set_variable_as_extracted</a>(j, <span class="keyword">true</span>);</div>
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<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> SCIP_VAR* scip_var = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="comment">// The true objective coefficient will be set later in ExtractObjective.</span></div>
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<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keywordtype">double</span> tmp_obj_coef = 0.0;</div>
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<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateVar(</div>
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<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> scip_, &scip_var, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->name().c_str(), <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->lb(), <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->ub(),</div>
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<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> tmp_obj_coef,</div>
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<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->integer() ? SCIP_VARTYPE_INTEGER : SCIP_VARTYPE_CONTINUOUS, <span class="keyword">true</span>,</div>
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<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> <span class="keyword">false</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>));</div>
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<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddVar(scip_, scip_var));</div>
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<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> scip_variables_.push_back(scip_var);</div>
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<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="keyword">const</span> <span class="keywordtype">int</span> branching_priority = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->branching_priority();</div>
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<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="keywordflow">if</span> (branching_priority != 0) {</div>
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<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->index();</div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPchgVarBranchPriority(</div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> scip_, scip_variables_[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>], branching_priority));</div>
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> }</div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> }</div>
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <span class="comment">// Add new variables to existing constraints.</span></div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>; i++) {</div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_) {</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index));</div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="keywordflow">if</span> (var_index >= <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>) {</div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="comment">// The variable is new, so we know the previous coefficient</span></div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="comment">// value was 0 and we can directly add the coefficient.</span></div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> SCIPaddCoefLinear(scip_, scip_constraints_[i],</div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> scip_variables_[var_index], entry.second));</div>
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<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> }</div>
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<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> }</div>
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<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> }</div>
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<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> }</div>
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<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span>}</div>
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<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> </div>
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<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f"> 540</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">SCIPInterface::ExtractNewConstraints</a>() {</div>
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<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <span class="keywordtype">int</span> total_num_rows = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.size();</div>
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<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a> < total_num_rows) {</div>
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<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="comment">// Find the length of the longest row.</span></div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keywordtype">int</span> max_row_length = 0;</div>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>; i < total_num_rows; ++i) {</div>
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<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
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<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(i));</div>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">set_constraint_as_extracted</a>(i, <span class="keyword">true</span>);</div>
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<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size() > max_row_length) {</div>
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<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> max_row_length = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size();</div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> }</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> std::unique_ptr<SCIP_VAR*[]> vars(<span class="keyword">new</span> SCIP_VAR*[max_row_length]);</div>
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<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> std::unique_ptr<double[]> coeffs(<span class="keyword">new</span> <span class="keywordtype">double</span>[max_row_length]);</div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="comment">// Add each new constraint.</span></div>
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<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>; i < total_num_rows; ++i) {</div>
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<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(i));</div>
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size();</div>
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<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keywordtype">int</span> j = 0;</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_) {</div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index));</div>
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<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> vars[j] = scip_variables_[var_index];</div>
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<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> coeffs[j] = entry.second;</div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> j++;</div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> }</div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> SCIP_CONS* scip_constraint = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_lazy = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->is_lazy();</div>
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<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->indicator_variable() != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keyword">const</span> <span class="keywordtype">int</span> ind_index = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->indicator_variable()->index();</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(ind_index));</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> SCIP_VAR* ind_var = scip_variables_[ind_index];</div>
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->indicator_value() == 0) {</div>
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|
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> SCIPgetNegatedVar(scip_, scip_variables_[ind_index], &ind_var));</div>
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<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> }</div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> </div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub() < std::numeric_limits<double>::infinity()) {</div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateConsIndicator(</div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> scip_, &scip_constraint, <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().c_str(), ind_var, size,</div>
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<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> vars.get(), coeffs.get(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub(),</div>
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|
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <span class="comment">/*initial=*/</span>!is_lazy,</div>
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|
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
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|
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="comment">/*removable=*/</span>is_lazy,</div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCons(scip_, scip_constraint));</div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> scip_constraints_.push_back(scip_constraint);</div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> }</div>
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<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb() > -std::numeric_limits<double>::infinity()) {</div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> coeffs[i] *= -1;</div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> }</div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateConsIndicator(</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> scip_, &scip_constraint, <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().c_str(), ind_var, size,</div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> vars.get(), coeffs.get(), -<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb(),</div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> <span class="comment">/*initial=*/</span>!is_lazy,</div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="comment">/*removable=*/</span>is_lazy,</div>
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<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCons(scip_, scip_constraint));</div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> scip_constraints_.push_back(scip_constraint);</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> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="comment">// See</span></div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="comment">// http://scip.zib.de/doc/html/cons__linear_8h.php#aa7aed137a4130b35b168812414413481</span></div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <span class="comment">// for an explanation of the parameters.</span></div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateConsLinear(</div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> scip_, &scip_constraint, <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().c_str(), size, vars.get(),</div>
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<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> coeffs.get(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub(),</div>
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|
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> <span class="comment">/*initial=*/</span>!is_lazy,</div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="comment">/*modifiable=*/</span><span class="keyword">false</span>,</div>
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|
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
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|
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="comment">/*removable=*/</span>is_lazy,</div>
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|
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
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<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCons(scip_, scip_constraint));</div>
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<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> scip_constraints_.push_back(scip_constraint);</div>
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<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> }</div>
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<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> }</div>
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<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> }</div>
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<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span>}</div>
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<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> </div>
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<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745"> 640</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">SCIPInterface::ExtractObjective</a>() {</div>
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<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <a class="code hl_define" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <span class="comment">// Linear objective: set objective coefficients for all variables (some might</span></div>
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<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="comment">// have been modified).</span></div>
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<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->objective_->coefficients_) {</div>
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<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> <span class="keyword">const</span> <span class="keywordtype">double</span> obj_coef = entry.second;</div>
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<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> SCIPchgVarObj(scip_, scip_variables_[var_index], obj_coef));</div>
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<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> }</div>
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<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> </div>
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<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <span class="comment">// Constant term: change objective offset.</span></div>
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<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <a class="code hl_define" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddOrigObjoffset(</div>
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<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> scip_, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">Objective</a>().<a class="code hl_function" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>() - SCIPgetOrigObjoffset(scip_)));</div>
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<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span>}</div>
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<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> </div>
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<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a8e8cab6c879dc456fe0096c02bce706e"> 657</a></span><span class="preprocessor">#define RETURN_ABNORMAL_IF_BAD_STATUS \</span></div>
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<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span><span class="preprocessor"> do { \</span></div>
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<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span><span class="preprocessor"> if (!status_.ok()) { \</span></div>
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<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span><span class="preprocessor"> LOG_IF(INFO, solver_->OutputIsEnabled()) \</span></div>
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<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span><span class="preprocessor"> << "Invalid SCIP status: "</span> << status_; \</div>
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<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> return result_status_ = MPSolver::ABNORMAL; \</div>
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<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> } \</div>
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<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> } while (false)</div>
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<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> </div>
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<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4"> 666</a></span><span class="preprocessor">#define RETURN_ABNORMAL_IF_SCIP_ERROR(x) \</span></div>
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<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span><span class="preprocessor"> do { \</span></div>
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<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span><span class="preprocessor"> RETURN_ABNORMAL_IF_BAD_STATUS; \</span></div>
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<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span><span class="preprocessor"> status_ = SCIP_TO_STATUS(x); \</span></div>
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<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span><span class="preprocessor"> RETURN_ABNORMAL_IF_BAD_STATUS; \</span></div>
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<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span><span class="preprocessor"> } while (false);</span></div>
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<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> </div>
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<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f"> 673</a></span><a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">SCIPInterface::Solve</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) {</div>
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<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="comment">// "status_" may encode a variety of failure scenarios, many of which would</span></div>
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<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="comment">// correspond to another MPResultStatus than ABNORMAL, but since SCIP is a</span></div>
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<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">// moving target, we use the most likely error code here (abnormalities,</span></div>
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<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="comment">// often numeric), and rely on the user enabling output to see more details.</span></div>
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<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <a class="code hl_define" href="scip__interface_8cc.html#a8e8cab6c879dc456fe0096c02bce706e">RETURN_ABNORMAL_IF_BAD_STATUS</a>;</div>
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<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> </div>
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<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <a class="code hl_class" href="class_wall_timer.html">WallTimer</a> timer;</div>
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<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> timer.<a class="code hl_function" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
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<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> </div>
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<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="comment">// Note that SCIP does not provide any incrementality.</span></div>
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<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="comment">// TODO(user): Is that still true now (2018) ?</span></div>
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<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> <span class="keywordflow">if</span> (param.<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">GetIntegerParam</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">MPSolverParameters::INCREMENTALITY</a>) ==</div>
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<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">MPSolverParameters::INCREMENTALITY_OFF</a> ||</div>
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<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> branching_priority_reset_ || callback_reset_) {</div>
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<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">Reset</a>();</div>
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<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> branching_priority_reset_ = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> callback_reset_ = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> }</div>
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<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> </div>
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<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="comment">// Set log level.</span></div>
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<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> SCIPsetMessagehdlrQuiet(scip_, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">quiet_</a>);</div>
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<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> </div>
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<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="comment">// Special case if the model is empty since SCIP expects a non-empty model.</span></div>
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<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.empty() && <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.empty()) {</div>
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<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a>;</div>
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<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
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<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">Objective</a>().<a class="code hl_function" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
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<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">Objective</a>().<a class="code hl_function" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
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<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div>
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<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> }</div>
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<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> </div>
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<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#afb4493b8573d16e076059c755d2213b0">ExtractModel</a>();</div>
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<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << absl::StrFormat(<span class="stringliteral">"Model built in %s."</span>,</div>
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<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> absl::FormatDuration(timer.<a class="code hl_function" href="class_wall_timer.html#a4529f7d5e72dcd2c9d8961ee60f0ed6a">GetDuration</a>()));</div>
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<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keywordflow">if</span> (scip_constraint_handler_ != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> <span class="comment">// When the value of `callback_` is changed, `callback_reset_` is set and</span></div>
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<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> <span class="comment">// code above you call Reset() that should have cleared</span></div>
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<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> <span class="comment">// `scip_constraint_handler_`. Here we assert that if this has not happened</span></div>
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<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> <span class="comment">// then `callback_` value has not changed.</span></div>
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<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(scip_constraint_handler_->mp_callback(), callback_);</div>
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<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (callback_ != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> scip_constraint_handler_ =</div>
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<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> absl::make_unique<ScipConstraintHandlerForMPCallback>(callback_);</div>
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<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> RegisterConstraintHandler<EmptyStruct>(scip_constraint_handler_.get(),</div>
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<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> scip_);</div>
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<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> AddCallbackConstraint<EmptyStruct>(scip_, scip_constraint_handler_.get(),</div>
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<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="stringliteral">"mp_solver_callback_constraint_for_scip"</span>,</div>
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<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> &constraint_data_for_handler_,</div>
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<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <a class="code hl_struct" href="structoperations__research_1_1_scip_callback_constraint_options.html">ScipCallbackConstraintOptions</a>());</div>
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<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> }</div>
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<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> </div>
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<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> <span class="comment">// Time limit.</span></div>
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<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>() != 0) {</div>
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<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Setting time limit = "</span> << <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>() << <span class="stringliteral">" ms."</span>;</div>
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<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> SCIPsetRealParam(scip_, <span class="stringliteral">"limits/time"</span>, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">time_limit_in_secs</a>()));</div>
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<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPresetParam(scip_, <span class="stringliteral">"limits/time"</span>));</div>
|
|
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> }</div>
|
|
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> </div>
|
|
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> <span class="comment">// We first set our internal MPSolverParameters from param and then set any</span></div>
|
|
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <span class="comment">// user specified internal solver, ie. SCIP, parameters via</span></div>
|
|
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="comment">// solver_specific_parameter_string_.</span></div>
|
|
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> <span class="comment">// Default MPSolverParameters can override custom parameters (for example for</span></div>
|
|
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="comment">// presolving) and therefore we apply MPSolverParameters first.</span></div>
|
|
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> SetParameters(param);</div>
|
|
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec">SetSolverSpecificParametersAsString</a>(</div>
|
|
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solver_specific_parameter_string_);</div>
|
|
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> </div>
|
|
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> <span class="comment">// Use the solution hint if any.</span></div>
|
|
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solution_hint_.empty()) {</div>
|
|
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> SCIP_SOL* solution;</div>
|
|
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> <span class="keywordtype">bool</span> is_solution_partial = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size();</div>
|
|
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solution_hint_.size() != num_vars) {</div>
|
|
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> <span class="comment">// We start by creating an empty partial solution.</span></div>
|
|
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> SCIPcreatePartialSol(scip_, &solution, <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> is_solution_partial = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="comment">// We start by creating the all-zero solution.</span></div>
|
|
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPcreateSol(scip_, &solution, <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> }</div>
|
|
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> </div>
|
|
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> <span class="comment">// Fill the other variables from the given solution hint.</span></div>
|
|
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::pair<const MPVariable*, double>& p :</div>
|
|
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solution_hint_) {</div>
|
|
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPsetSolVal(</div>
|
|
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> scip_, solution, scip_variables_[p.first->index()], p.second));</div>
|
|
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> }</div>
|
|
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> </div>
|
|
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> <span class="keywordflow">if</span> (!is_solution_partial) {</div>
|
|
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> SCIP_Bool is_feasible;</div>
|
|
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPcheckSol(</div>
|
|
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> scip_, solution, <span class="comment">/*printreason=*/</span><span class="keyword">false</span>, <span class="comment">/*completely=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> <span class="comment">/*checkbounds=*/</span><span class="keyword">true</span>, <span class="comment">/*checkintegrality=*/</span><span class="keyword">true</span>, <span class="comment">/*checklprows=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> &is_feasible));</div>
|
|
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Solution hint is "</span></div>
|
|
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> << (is_feasible ? <span class="stringliteral">"FEASIBLE"</span> : <span class="stringliteral">"INFEASIBLE"</span>);</div>
|
|
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> }</div>
|
|
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> </div>
|
|
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="comment">// TODO(user): I more or less copied this from the SCIPreadSol() code that</span></div>
|
|
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="comment">// reads a solution from a file. I am not sure what SCIPisTransformed() is</span></div>
|
|
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <span class="comment">// or what is the difference between the try and add version. In any case</span></div>
|
|
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <span class="comment">// this seems to always call SCIPaddSolFree() for now and it works.</span></div>
|
|
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> SCIP_Bool is_stored;</div>
|
|
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> <span class="keywordflow">if</span> (!is_solution_partial && SCIPisTransformed(scip_)) {</div>
|
|
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPtrySolFree(</div>
|
|
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> scip_, &solution, <span class="comment">/*printreason=*/</span><span class="keyword">false</span>, <span class="comment">/*completely=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <span class="comment">/*checkbounds=*/</span><span class="keyword">true</span>, <span class="comment">/*checkintegrality=*/</span><span class="keyword">true</span>, <span class="comment">/*checklprows=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> &is_stored));</div>
|
|
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> SCIPaddSolFree(scip_, &solution, &is_stored));</div>
|
|
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> }</div>
|
|
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> }</div>
|
|
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> </div>
|
|
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> <span class="comment">// Solve.</span></div>
|
|
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> timer.<a class="code hl_function" href="class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5">Restart</a>();</div>
|
|
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">GetNumThreads</a>() > 1</div>
|
|
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> ? SCIPsolveConcurrent(scip_)</div>
|
|
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> : SCIPsolve(scip_));</div>
|
|
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << absl::StrFormat(<span class="stringliteral">"Solved in %s."</span>,</div>
|
|
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> absl::FormatDuration(timer.<a class="code hl_function" href="class_wall_timer.html#a4529f7d5e72dcd2c9d8961ee60f0ed6a">GetDuration</a>()));</div>
|
|
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> current_solution_index_ = 0;</div>
|
|
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">// Get the results.</span></div>
|
|
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> SCIP_SOL* <span class="keyword">const</span> solution = SCIPgetBestSol(scip_);</div>
|
|
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> <span class="comment">// If optimal or feasible solution is found.</span></div>
|
|
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> SetSolution(solution);</div>
|
|
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"No feasible solution found."</span>;</div>
|
|
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> }</div>
|
|
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> </div>
|
|
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> <span class="comment">// Check the status: optimal, infeasible, etc.</span></div>
|
|
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> SCIP_STATUS scip_status = SCIPgetStatus(scip_);</div>
|
|
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> <span class="keywordflow">switch</span> (scip_status) {</div>
|
|
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> <span class="keywordflow">case</span> SCIP_STATUS_OPTIMAL:</div>
|
|
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
|
|
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> <span class="keywordflow">case</span> SCIP_STATUS_GAPLIMIT:</div>
|
|
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> <span class="comment">// To be consistent with the other solvers.</span></div>
|
|
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
|
|
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> <span class="keywordflow">case</span> SCIP_STATUS_INFEASIBLE:</div>
|
|
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">MPSolver::INFEASIBLE</a>;</div>
|
|
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> <span class="keywordflow">case</span> SCIP_STATUS_UNBOUNDED:</div>
|
|
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">MPSolver::UNBOUNDED</a>;</div>
|
|
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <span class="keywordflow">case</span> SCIP_STATUS_INFORUNBD:</div>
|
|
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <span class="comment">// TODO(user): We could introduce our own "infeasible or</span></div>
|
|
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> <span class="comment">// unbounded" status.</span></div>
|
|
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">MPSolver::INFEASIBLE</a>;</div>
|
|
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">MPSolver::FEASIBLE</a>;</div>
|
|
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (scip_status == SCIP_STATUS_TIMELIMIT ||</div>
|
|
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> scip_status == SCIP_STATUS_TOTALNODELIMIT) {</div>
|
|
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">MPSolver::NOT_SOLVED</a>;</div>
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<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">MPSolver::ABNORMAL</a>;</div>
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|
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> }</div>
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<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> }</div>
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<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> </div>
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<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> <a class="code hl_define" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPresetParams(scip_));</div>
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<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> </div>
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<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a>;</div>
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<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div>
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<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span>}</div>
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<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> </div>
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<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span><span class="keywordtype">void</span> SCIPInterface::SetSolution(SCIP_SOL* solution) {</div>
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<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a> = SCIPgetSolOrigObj(scip_, solution);</div>
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<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a> = SCIPgetDualbound(scip_);</div>
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|
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"objective="</span> << <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a></div>
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<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> << <span class="stringliteral">", bound="</span> << <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a>;</div>
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<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size(); ++i) {</div>
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<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_[i];</div>
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|
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->index();</div>
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|
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> <span class="keyword">const</span> <span class="keywordtype">double</span> val =</div>
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<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> SCIPgetSolVal(scip_, solution, scip_variables_[var_index]);</div>
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<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->set_solution_value(val);</div>
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<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->name() << <span class="stringliteral">"="</span> << val;</div>
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|
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> }</div>
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|
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span>}</div>
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|
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> </div>
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<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#aa3ff809c3ba53969d98fb9c9e027083f"> 862</a></span>absl::optional<MPSolutionResponse> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#aa3ff809c3ba53969d98fb9c9e027083f">SCIPInterface::DirectlySolveProto</a>(</div>
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<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_model_request.html">MPModelRequest</a>& request, std::atomic<bool>* interrupt) {</div>
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<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <span class="comment">// ScipSolveProto doesn't solve concurrently.</span></div>
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|
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">GetNumThreads</a>() > 1) <span class="keywordflow">return</span> absl::nullopt;</div>
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|
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> </div>
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|
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> <span class="comment">// Interruption via atomic<bool> is not directly supported by SCIP.</span></div>
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|
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> <span class="keywordflow">if</span> (interrupt != <span class="keyword">nullptr</span>) <span class="keywordflow">return</span> absl::nullopt;</div>
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|
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> </div>
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|
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> <span class="keyword">const</span> <span class="keyword">auto</span> status_or = <a class="code hl_function" href="namespaceoperations__research.html#a2b332c199c0cef58c53a677fdfa4996d">ScipSolveProto</a>(request);</div>
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|
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <span class="keywordflow">if</span> (status_or.ok()) <span class="keywordflow">return</span> status_or.value();</div>
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|
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> <span class="comment">// Special case: if something is not implemented yet, fall back to solving</span></div>
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|
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> <span class="comment">// through MPSolver.</span></div>
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|
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> <span class="keywordflow">if</span> (absl::IsUnimplemented(status_or.status())) <span class="keywordflow">return</span> absl::nullopt;</div>
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|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> </div>
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<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> <span class="keywordflow">if</span> (request.<a class="code hl_function" href="classoperations__research_1_1_m_p_model_request.html#a473bd181dc1f53343773347ae178dd0d">enable_internal_solver_output</a>()) {</div>
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|
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Invalid SCIP status: "</span> << status_or.status();</div>
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|
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> }</div>
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|
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solution_response.html">MPSolutionResponse</a> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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|
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code hl_enumvalue" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">MPSOLVER_NOT_SOLVED</a>);</div>
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|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(status_or.status().ToString());</div>
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|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span>}</div>
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|
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> </div>
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<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span><span class="keywordtype">int</span> SCIPInterface::SolutionCount() { <span class="keywordflow">return</span> SCIPgetNSols(scip_); }</div>
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|
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> </div>
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|
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af09b34b07f4db68ced0239cc959ee2e2"> 887</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#af09b34b07f4db68ced0239cc959ee2e2">SCIPInterface::NextSolution</a>() {</div>
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|
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> <span class="comment">// Make sure we have successfully solved the problem and not modified it.</span></div>
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|
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a8da48eff5b28feb8b66ba111af16a974">CheckSolutionIsSynchronizedAndExists</a>()) {</div>
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|
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> }</div>
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|
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <span class="keywordflow">if</span> (current_solution_index_ + 1 >= SolutionCount()) {</div>
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|
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> }</div>
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|
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> current_solution_index_++;</div>
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|
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> SCIP_SOL** all_solutions = SCIPgetSols(scip_);</div>
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|
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> SetSolution(all_solutions[current_solution_index_]);</div>
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|
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span>}</div>
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|
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> </div>
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|
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#ae6985cb017825222a1d260ce55f9c598"> 901</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#ae6985cb017825222a1d260ce55f9c598">SCIPInterface::iterations</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> <span class="comment">// NOTE(user): As of 2018-12 it doesn't run in the stubby server, and is</span></div>
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<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> <span class="comment">// a specialized call, so it's ok to crash if the status is broken.</span></div>
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|
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>()) <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#accec08e7a0a89158c5d9aa5f6b25b695">kUnknownNumberOfIterations</a>;</div>
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|
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="keywordflow">return</span> SCIPgetNLPIterations(scip_);</div>
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|
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span>}</div>
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|
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> </div>
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<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#ad574ab34472f639e86c4b5510e58a938"> 908</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#ad574ab34472f639e86c4b5510e58a938">SCIPInterface::nodes</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> <span class="comment">// NOTE(user): Same story as iterations(): it's OK to crash here.</span></div>
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|
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>()) <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a671b20aa1d2532721b614ce2660e3872">kUnknownNumberOfNodes</a>;</div>
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|
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> <span class="comment">// This is the total number of nodes used in the solve, potentially across</span></div>
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|
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> <span class="comment">// multiple branch-and-bound trees. Use limits/totalnodes (rather than</span></div>
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<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> <span class="comment">// limits/nodes) to control this value.</span></div>
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<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> <span class="keywordflow">return</span> SCIPgetNTotalNodes(scip_);</div>
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<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span>}</div>
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|
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> </div>
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<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span><span class="keywordtype">void</span> SCIPInterface::SetParameters(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) {</div>
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<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">SetCommonParameters</a>(param);</div>
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<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">SetMIPParameters</a>(param);</div>
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<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span>}</div>
|
|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> </div>
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<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span><span class="keywordtype">void</span> SCIPInterface::SetRelativeMipGap(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="comment">// NOTE(user): We don't want to call RETURN_IF_ALREADY_IN_ERROR_STATE here,</span></div>
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|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> <span class="comment">// because even if the solver is in an error state, the user might be setting</span></div>
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|
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> <span class="comment">// some parameters and then "restoring" the solver to a non-error state by</span></div>
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|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> <span class="comment">// calling Reset(), which should *not* reset the parameters.</span></div>
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|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> <span class="comment">// So we want the parameter-setting functions to be resistant to being in an</span></div>
|
|
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> <span class="comment">// error state, essentially. What we do is:</span></div>
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|
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <span class="comment">// - we call the parameter-setting function anyway (I'm assuming that SCIP</span></div>
|
|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> <span class="comment">// won't crash even if we're in an error state. I did *not* verify this).</span></div>
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|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="comment">// - if that call yielded an error *and* we weren't already in an error state,</span></div>
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|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="comment">// set the state to that error we just got.</span></div>
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|
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetRealParam(scip_, <span class="stringliteral">"limits/gap"</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
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|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span>}</div>
|
|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> </div>
|
|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span><span class="keywordtype">void</span> SCIPInterface::SetPrimalTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> <span class="comment">// See the NOTE on SetRelativeMipGap().</span></div>
|
|
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetRealParam(scip_, <span class="stringliteral">"numerics/feastol"</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span>}</div>
|
|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> </div>
|
|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span><span class="keywordtype">void</span> SCIPInterface::SetDualTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetRealParam(scip_, <span class="stringliteral">"numerics/dualfeastol"</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span>}</div>
|
|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> </div>
|
|
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span><span class="keywordtype">void</span> SCIPInterface::SetPresolveMode(<span class="keywordtype">int</span> presolve) {</div>
|
|
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <span class="comment">// See the NOTE on SetRelativeMipGap().</span></div>
|
|
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> <span class="keywordflow">switch</span> (presolve) {</div>
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|
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a">MPSolverParameters::PRESOLVE_OFF</a>: {</div>
|
|
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetIntParam(scip_, <span class="stringliteral">"presolving/maxrounds"</span>, 0));</div>
|
|
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> }</div>
|
|
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">MPSolverParameters::PRESOLVE_ON</a>: {</div>
|
|
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetIntParam(scip_, <span class="stringliteral">"presolving/maxrounds"</span>, -1));</div>
|
|
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> }</div>
|
|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> SetIntegerParamToUnsupportedValue(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">MPSolverParameters::PRESOLVE</a>, presolve);</div>
|
|
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> }</div>
|
|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> }</div>
|
|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span>}</div>
|
|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> </div>
|
|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span><span class="keywordtype">void</span> SCIPInterface::SetScalingMode(<span class="keywordtype">int</span> scaling) {</div>
|
|
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> SetUnsupportedIntegerParam(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">MPSolverParameters::SCALING</a>);</div>
|
|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span>}</div>
|
|
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> </div>
|
|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span><span class="comment">// Only the root LP algorithm is set as setting the node LP to a</span></div>
|
|
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span><span class="comment">// non-default value rarely is beneficial. The node LP algorithm could</span></div>
|
|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span><span class="comment">// be set as well with "lp/resolvealgorithm".</span></div>
|
|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span><span class="keywordtype">void</span> SCIPInterface::SetLpAlgorithm(<span class="keywordtype">int</span> lp_algorithm) {</div>
|
|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="comment">// See the NOTE on SetRelativeMipGap().</span></div>
|
|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> <span class="keywordflow">switch</span> (lp_algorithm) {</div>
|
|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b">MPSolverParameters::DUAL</a>: {</div>
|
|
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetCharParam(scip_, <span class="stringliteral">"lp/initalgorithm"</span>, <span class="charliteral">'d'</span>));</div>
|
|
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> }</div>
|
|
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee">MPSolverParameters::PRIMAL</a>: {</div>
|
|
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetCharParam(scip_, <span class="stringliteral">"lp/initalgorithm"</span>, <span class="charliteral">'p'</span>));</div>
|
|
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> }</div>
|
|
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493">MPSolverParameters::BARRIER</a>: {</div>
|
|
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <span class="comment">// Barrier with crossover.</span></div>
|
|
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> <a class="code hl_define" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetCharParam(scip_, <span class="stringliteral">"lp/initalgorithm"</span>, <span class="charliteral">'p'</span>));</div>
|
|
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> }</div>
|
|
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> SetIntegerParamToUnsupportedValue(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">MPSolverParameters::LP_ALGORITHM</a>,</div>
|
|
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> lp_algorithm);</div>
|
|
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> }</div>
|
|
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> }</div>
|
|
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span>}</div>
|
|
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> </div>
|
|
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span><span class="keywordtype">void</span> SCIPInterface::SetUnsupportedIntegerParam(</div>
|
|
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param) {</div>
|
|
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">MPSolverInterface::SetUnsupportedIntegerParam</a>(param);</div>
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|
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> <span class="keywordflow">if</span> (status_.ok()) {</div>
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|
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> status_ = absl::InvalidArgumentError(absl::StrFormat(</div>
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|
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> <span class="stringliteral">"Tried to set unsupported integer parameter %d"</span>, param));</div>
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|
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> }</div>
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|
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span>}</div>
|
|
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> </div>
|
|
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span><span class="keywordtype">void</span> SCIPInterface::SetIntegerParamToUnsupportedValue(</div>
|
|
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param, <span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a12cee0b1a4374aaa9962daa50be5bded">MPSolverInterface::SetIntegerParamToUnsupportedValue</a>(param, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> <span class="keywordflow">if</span> (status_.ok()) {</div>
|
|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> status_ = absl::InvalidArgumentError(absl::StrFormat(</div>
|
|
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> <span class="stringliteral">"Tried to set integer parameter %d to unsupported value %d"</span>, param,</div>
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|
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> }</div>
|
|
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span>}</div>
|
|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> </div>
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|
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span>absl::Status SCIPInterface::SetNumThreads(<span class="keywordtype">int</span> num_threads) {</div>
|
|
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> <span class="keywordflow">if</span> (SetSolverSpecificParametersAsString(</div>
|
|
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> absl::StrFormat(<span class="stringliteral">"parallel/maxnthreads = %d\n"</span>, num_threads))) {</div>
|
|
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> }</div>
|
|
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> <span class="stringliteral">"Could not set parallel/maxnthreads, which may "</span></div>
|
|
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> <span class="stringliteral">"indicate that SCIP API has changed."</span>);</div>
|
|
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span>}</div>
|
|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> </div>
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<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span><span class="keywordtype">bool</span> SCIPInterface::SetSolverSpecificParametersAsString(</div>
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|
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <span class="keyword">const</span> std::string& <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="l01041" name="l01041"></a><span class="lineno"> 1041</span> <span class="keyword">const</span> absl::Status s =</div>
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|
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> <a class="code hl_function" href="namespaceoperations__research.html#a6c33a211b2fdb0b6e816dc8e3f99c6f3">LegacyScipSetSolverSpecificParameters</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, scip_);</div>
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<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> <span class="keywordflow">if</span> (!s.ok()) {</div>
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|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7">WARNING</a>) << <span class="stringliteral">"Failed to set SCIP parameter string: "</span> << <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="l01045" name="l01045"></a><span class="lineno"> 1045</span> << <span class="stringliteral">", error is: "</span> << s;</div>
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|
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> }</div>
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|
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> <span class="keywordflow">return</span> s.ok();</div>
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|
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span>}</div>
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|
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> </div>
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<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html"> 1050</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1_scip_m_p_callback_context.html">ScipMPCallbackContext</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_callback_context.html">MPCallbackContext</a> {</div>
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<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#a10a6fee706e3a27dd9bbcd8c7759064a"> 1052</a></span> <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#a10a6fee706e3a27dd9bbcd8c7759064a">ScipMPCallbackContext</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>* scip_context,</div>
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|
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> <span class="keywordtype">bool</span> at_integer_solution)</div>
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|
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> : scip_context_(scip_context),</div>
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|
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> at_integer_solution_(at_integer_solution) {}</div>
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|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> </div>
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|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#aa78ec98396f42ae2122a53535813f938"> 1057</a></span> <a class="code hl_enumeration" href="namespaceoperations__research.html#a4f0b2adea9a4297f27df941fe3ed3831">MPCallbackEvent</a> <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#aa78ec98396f42ae2122a53535813f938">Event</a>()<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <span class="keywordflow">if</span> (at_integer_solution_) {</div>
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|
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceoperations__research.html#a4f0b2adea9a4297f27df941fe3ed3831a744c240a000894a88cd9f4740db5b87f">MPCallbackEvent::kMipSolution</a>;</div>
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|
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> }</div>
|
|
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceoperations__research.html#a4f0b2adea9a4297f27df941fe3ed3831af29c26bf194553ac39cae68e31d6175c">MPCallbackEvent::kMipNode</a>;</div>
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|
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> }</div>
|
|
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> </div>
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|
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#a35b0a5ff10cf288bef84d8a90114aafc"> 1064</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#a35b0a5ff10cf288bef84d8a90114aafc">CanQueryVariableValues</a>()<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> <span class="keywordflow">return</span> !scip_context_-><a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_context.html#ae2bd8b9f0e49b121fe142dc28dc4894f">is_pseudo_solution</a>();</div>
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|
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> }</div>
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|
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> </div>
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|
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#afc5ebc320e7aa4ad2c0d8aa312ed6465"> 1068</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#afc5ebc320e7aa4ad2c0d8aa312ed6465">VariableValue</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable)<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#a35b0a5ff10cf288bef84d8a90114aafc">CanQueryVariableValues</a>());</div>
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|
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <span class="keywordflow">return</span> scip_context_-><a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_context.html#a4a1bfdb9483ad4c428b481bd6111a357">VariableValue</a>(variable);</div>
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|
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> }</div>
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|
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> </div>
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|
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#aaf98ff95af0e9af5addadb5b3c271fc9"> 1073</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#aaf98ff95af0e9af5addadb5b3c271fc9">AddCut</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_linear_range.html">LinearRange</a>& cutting_plane)<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> <a class="code hl_struct" href="structoperations__research_1_1_callback_range_constraint.html">CallbackRangeConstraint</a> constraint;</div>
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|
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> constraint.<a class="code hl_variable" href="structoperations__research_1_1_callback_range_constraint.html#aee8f5df15f0ef2fcbdfc34346856c254">is_cut</a> = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> constraint.<a class="code hl_variable" href="structoperations__research_1_1_callback_range_constraint.html#a7508057c4a77634d05a75d72a82fac1b">range</a> = cutting_plane;</div>
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|
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> constraint.local = <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> constraints_added_.push_back(std::move(constraint));</div>
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|
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> }</div>
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|
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> </div>
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|
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#a79b0b72307928b949a6818ef134c4b2f"> 1081</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#a79b0b72307928b949a6818ef134c4b2f">AddLazyConstraint</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_linear_range.html">LinearRange</a>& lazy_constraint)<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> <a class="code hl_struct" href="structoperations__research_1_1_callback_range_constraint.html">CallbackRangeConstraint</a> constraint;</div>
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|
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> constraint.<a class="code hl_variable" href="structoperations__research_1_1_callback_range_constraint.html#aee8f5df15f0ef2fcbdfc34346856c254">is_cut</a> = <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> constraint.<a class="code hl_variable" href="structoperations__research_1_1_callback_range_constraint.html#a7508057c4a77634d05a75d72a82fac1b">range</a> = lazy_constraint;</div>
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|
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> constraint.local = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> constraints_added_.push_back(std::move(constraint));</div>
|
|
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> }</div>
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|
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> </div>
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|
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#acc4e362d92c1d8ec8453ff089329f943"> 1089</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#acc4e362d92c1d8ec8453ff089329f943">SuggestSolution</a>(</div>
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|
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> <span class="keyword">const</span> absl::flat_hash_map<const MPVariable*, double>& solution)<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"SuggestSolution() not currently supported for SCIP."</span>;</div>
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|
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> }</div>
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|
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> </div>
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<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#a30073c763dbaefec43cc583108734f76"> 1094</a></span> int64_t <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#a30073c763dbaefec43cc583108734f76">NumExploredNodes</a>()<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> <span class="comment">// scip_context_->NumNodesProcessed() returns:</span></div>
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|
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> <span class="comment">// 0 before the root node is solved, e.g. if a heuristic finds a solution.</span></div>
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|
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> <span class="comment">// 1 at the root node</span></div>
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|
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> <span class="comment">// > 1 after the root node.</span></div>
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|
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> <span class="comment">// The NumExploredNodes spec requires that we return 0 at the root node,</span></div>
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|
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> <span class="comment">// (this is consistent with gurobi). Below is a bandaid to try and make the</span></div>
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<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> <span class="comment">// behavior consistent, although some information is lost.</span></div>
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<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(int64_t{0}, scip_context_-><a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_context.html#abb2d1b6efd2b973ed78b20e538047f7a">NumNodesProcessed</a>() - 1);</div>
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<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> }</div>
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<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> </div>
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<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_m_p_callback_context.html#a663fa38e30137aa88e690908fc8e4885"> 1105</a></span> <span class="keyword">const</span> std::vector<CallbackRangeConstraint>& <a class="code hl_function" href="classoperations__research_1_1_scip_m_p_callback_context.html#a663fa38e30137aa88e690908fc8e4885">constraints_added</a>() {</div>
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<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> <span class="keywordflow">return</span> constraints_added_;</div>
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<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> }</div>
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<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> </div>
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<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>* scip_context_;</div>
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<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> <span class="keywordtype">bool</span> at_integer_solution_;</div>
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<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> <span class="comment">// second value of pair is true for cuts and false for lazy constraints.</span></div>
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<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> std::vector<CallbackRangeConstraint> constraints_added_;</div>
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<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span>};</div>
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<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> </div>
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<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a217afaf472e9bfb3d51df228332b1a68"> 1116</a></span><a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a217afaf472e9bfb3d51df228332b1a68">ScipConstraintHandlerForMPCallback::ScipConstraintHandlerForMPCallback</a>(</div>
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<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_callback.html">MPCallback</a>* mp_callback)</div>
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<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> : <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler</a><EmptyStruct>(</div>
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<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> <span class="comment">// MOE(begin-strip):</span></div>
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<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> {<span class="comment">/*name=*/</span><span class="stringliteral">"mp_solver_constraint_handler"</span>,</div>
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<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> <span class="comment">/*description=*/</span></div>
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<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> <span class="stringliteral">"A single constraint handler for all MPSolver models."</span>}</div>
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<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> <span class="comment">// MOE(end-strip-and-replace): ScipConstraintHandlerDescription()</span></div>
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<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> ),</div>
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<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span> mp_callback_(mp_callback) {}</div>
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<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> </div>
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<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span>std::vector<CallbackRangeConstraint></div>
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<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a3e18f80cfb3f611733d1bb64990e6cd3"> 1128</a></span><a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a3e18f80cfb3f611733d1bb64990e6cd3">ScipConstraintHandlerForMPCallback::SeparateFractionalSolution</a>(</div>
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<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keyword">const</span> EmptyStruct&) {</div>
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<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> <span class="keywordflow">return</span> SeparateSolution(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="comment">/*at_integer_solution=*/</span><span class="keyword">false</span>);</div>
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<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span>}</div>
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<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> </div>
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<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span>std::vector<CallbackRangeConstraint></div>
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<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#af53667948cc93bb50d6573bfaa2f090b"> 1134</a></span><a class="code hl_function" href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#af53667948cc93bb50d6573bfaa2f090b">ScipConstraintHandlerForMPCallback::SeparateIntegerSolution</a>(</div>
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<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keyword">const</span> EmptyStruct&) {</div>
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<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> <span class="keywordflow">return</span> SeparateSolution(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="comment">/*at_integer_solution=*/</span><span class="keyword">true</span>);</div>
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<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span>}</div>
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<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> </div>
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<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span>std::vector<CallbackRangeConstraint></div>
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<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span>ScipConstraintHandlerForMPCallback::SeparateSolution(</div>
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<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> at_integer_solution) {</div>
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<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> <a class="code hl_class" href="classoperations__research_1_1_scip_m_p_callback_context.html">ScipMPCallbackContext</a> mp_context(&<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, at_integer_solution);</div>
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<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> mp_callback_-><a class="code hl_function" href="classoperations__research_1_1_m_p_callback.html#abddae1c9b6bfbbdbfc71179ecfff625e">RunCallback</a>(&mp_context);</div>
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<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> <span class="keywordflow">return</span> mp_context.constraints_added();</div>
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<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span>}</div>
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<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> </div>
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<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9436ed8aa5d2540af34e24ba7a8c196d"> 1148</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_s_c_i_p_interface.html#a9436ed8aa5d2540af34e24ba7a8c196d">SCIPInterface::SetCallback</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_callback.html">MPCallback</a>* mp_callback) {</div>
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<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> <span class="keywordflow">if</span> (callback_ != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span> callback_reset_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> }</div>
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<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> callback_ = mp_callback;</div>
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<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span>}</div>
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<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> </div>
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<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a1bdf7de568fd36934caf67b1bfd20455"> 1155</a></span><a class="code hl_class" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <a class="code hl_function" href="namespaceoperations__research.html#a1bdf7de568fd36934caf67b1bfd20455">BuildSCIPInterface</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <span class="keyword">const</span> solver) {</div>
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<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1_s_c_i_p_interface.html">SCIPInterface</a>(solver);</div>
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<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span>}</div>
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<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> </div>
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<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span><span class="preprocessor">#endif </span><span class="comment">// #if defined(USE_SCIP)</span></div>
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<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> </div>
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<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span><span class="preprocessor">#undef RETURN_AND_STORE_IF_SCIP_ERROR</span></div>
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<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span><span class="preprocessor">#undef RETURN_IF_ALREADY_IN_ERROR_STATE</span></div>
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<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span><span class="preprocessor">#undef RETURN_ABNORMAL_IF_BAD_STATUS</span></div>
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<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span><span class="preprocessor">#undef RETURN_ABNORMAL_IF_SCIP_ERROR</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="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a09f7d88282cf92c9f231270ac113e5c6"><div class="ttname"><a href="base_2logging_8h.html#a09f7d88282cf92c9f231270ac113e5c6">LOG_IF</a></div><div class="ttdeci">#define LOG_IF(severity, condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00475">base/logging.h:475</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_a46e69120fbd3b36e6960e096d23b66f0"><div class="ttname"><a href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a></div><div class="ttdeci">#define DCHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00887">base/logging.h:887</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_ab62f5ed8f2d48e29802be0cbbcd1359a"><div class="ttname"><a href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a></div><div class="ttdeci">#define DCHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00416">base/logging.h:416</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00885">base/logging.h:885</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="aclass_wall_timer_html"><div class="ttname"><a href="class_wall_timer.html">WallTimer</a></div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00023">timer.h:23</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_a07aaf1227e4d645f15e0a964f54ef291"><div class="ttname"><a href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">WallTimer::Start</a></div><div class="ttdeci">void Start()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00031">timer.h:31</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_a4529f7d5e72dcd2c9d8961ee60f0ed6a"><div class="ttname"><a href="class_wall_timer.html#a4529f7d5e72dcd2c9d8961ee60f0ed6a">WallTimer::GetDuration</a></div><div class="ttdeci">absl::Duration GetDuration() const</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00048">timer.h:48</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_a6bdbb9a2345c126ae0d72b1e2a9a21d5"><div class="ttname"><a href="class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5">WallTimer::Restart</a></div><div class="ttdeci">void Restart()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00035">timer.h:35</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_linear_range_html"><div class="ttname"><a href="classoperations__research_1_1_linear_range.html">operations_research::LinearRange</a></div><div class="ttdoc">An expression of the form:</div><div class="ttdef"><b>Definition:</b> <a href="linear__expr_8h_source.html#l00192">linear_expr.h:192</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_callback_context_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_callback_context.html">operations_research::MPCallbackContext</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver__callback_8h_source.html#l00066">linear_solver_callback.h:66</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_callback_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_callback.html">operations_research::MPCallback</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver__callback_8h_source.html#l00142">linear_solver_callback.h:142</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_callback_html_abddae1c9b6bfbbdbfc71179ecfff625e"><div class="ttname"><a href="classoperations__research_1_1_m_p_callback.html#abddae1c9b6bfbbdbfc71179ecfff625e">operations_research::MPCallback::RunCallback</a></div><div class="ttdeci">virtual void RunCallback(MPCallbackContext *callback_context)=0</div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_constraint_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html">operations_research::MPConstraint</a></div><div class="ttdoc">The class for constraints of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01211">linear_solver.h:1211</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_constraint_html_acca41811e8aaab0112b987749c0ecb93"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">operations_research::MPConstraint::index</a></div><div class="ttdeci">int index() const</div><div class="ttdoc">Returns the index of the constraint in the MPSolver::constraints_.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01279">linear_solver.h:1279</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_model_request_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_request.html">operations_research::MPModelRequest</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l03744">linear_solver.pb.h:3745</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_model_request_html_a473bd181dc1f53343773347ae178dd0d"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_request.html#a473bd181dc1f53343773347ae178dd0d">operations_research::MPModelRequest::enable_internal_solver_output</a></div><div class="ttdeci">bool enable_internal_solver_output() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l08013">linear_solver.pb.h:8013</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_objective_html_a96ffc785b7b2135c7980c985883ffdd3"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">operations_research::MPObjective::offset</a></div><div class="ttdeci">double offset() const</div><div class="ttdoc">Gets the constant term in the objective.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00995">linear_solver.h:995</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solution_response_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solution_response.html">operations_research::MPSolutionResponse</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l04424">linear_solver.pb.h:4425</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html">operations_research::MPSolver</a></div><div class="ttdoc">This mathematical programming (MP) solver class is the main class though which users build and solve ...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00182">linear_solver.h:182</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">operations_research::MPSolver::ResultStatus</a></div><div class="ttdeci">ResultStatus</div><div class="ttdoc">The status of solving the problem.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00438">linear_solver.h:438</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">operations_research::MPSolver::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdoc">feasible, or stopped by limit.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00442">linear_solver.h:442</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">operations_research::MPSolver::NOT_SOLVED</a></div><div class="ttdeci">@ NOT_SOLVED</div><div class="ttdoc">not been solved yet.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00453">linear_solver.h:452</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">operations_research::MPSolver::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdoc">optimal.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00440">linear_solver.h:440</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">operations_research::MPSolver::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdoc">proven infeasible.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00444">linear_solver.h:444</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">operations_research::MPSolver::UNBOUNDED</a></div><div class="ttdeci">@ UNBOUNDED</div><div class="ttdoc">proven unbounded.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00446">linear_solver.h:446</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">operations_research::MPSolver::ABNORMAL</a></div><div class="ttdeci">@ ABNORMAL</div><div class="ttdoc">abnormal, i.e., error of some kind.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00448">linear_solver.h:448</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a77083241e8bdb93b619c7b9feaf82dec"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec">operations_research::MPSolver::SetSolverSpecificParametersAsString</a></div><div class="ttdeci">bool SetSolverSpecificParametersAsString(const std::string &parameters)</div><div class="ttdoc">Advanced usage: pass solver specific parameters in text format.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l00351">linear_solver.cc:351</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a8eb213aafa3773dfb6a05d184e61bb8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">operations_research::MPSolver::GetNumThreads</a></div><div class="ttdeci">int GetNumThreads() const</div><div class="ttdoc">Returns the number of threads to be used during solve.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00640">linear_solver.h:640</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_ac4f18824e639ecdf7304714a4450806b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">operations_research::MPSolver::time_limit</a></div><div class="ttdeci">int64_t time_limit() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00815">linear_solver.h:815</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_acbf17d4e66eead8e65304bbd2a64664d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">operations_research::MPSolver::Objective</a></div><div class="ttdeci">const MPObjective & Objective() const</div><div class="ttdoc">Returns the objective object.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00427">linear_solver.h:427</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_ad58dd106d6ce5869923cc448621066d6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">operations_research::MPSolver::time_limit_in_secs</a></div><div class="ttdeci">double time_limit_in_secs() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00825">linear_solver.h:825</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">operations_research::MPSolver::BasisStatus</a></div><div class="ttdeci">BasisStatus</div><div class="ttdoc">Advanced usage: possible basis status values for a variable and the slack variable of a linear constr...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00672">linear_solver.h:672</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">operations_research::MPSolver::FREE</a></div><div class="ttdeci">@ FREE</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00673">linear_solver.h:673</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html">operations_research::MPSolverInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01550">linear_solver.h:1550</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a12cee0b1a4374aaa9962daa50be5bded"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a12cee0b1a4374aaa9962daa50be5bded">operations_research::MPSolverInterface::SetIntegerParamToUnsupportedValue</a></div><div class="ttdeci">virtual void SetIntegerParamToUnsupportedValue(MPSolverParameters::IntegerParam param, int value)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01955">linear_solver.cc:1955</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a29cf940fae07f304b2ba22fbcfcefe71"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">operations_research::MPSolverInterface::set_constraint_as_extracted</a></div><div class="ttdeci">void set_constraint_as_extracted(int ct_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01703">linear_solver.h:1703</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a2ab7b415cdf146b96aa68a91870608d2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">operations_research::MPSolverInterface::result_status_</a></div><div class="ttdeci">MPSolver::ResultStatus result_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01759">linear_solver.h:1759</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a315d9a97f1e37fd6773f8312aedc5c93"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">operations_research::MPSolverInterface::InvalidateSolutionSynchronization</a></div><div class="ttdeci">void InvalidateSolutionSynchronization()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01899">linear_solver.cc:1899</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a3f09fb4ef39e8d4ab6607b61aeaa0a2b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">operations_research::MPSolverInterface::solver_</a></div><div class="ttdeci">MPSolver *const solver_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01754">linear_solver.h:1754</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a40c40e3b24a8874fb084ad6d19893e73"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">operations_research::MPSolverInterface::SetMIPParameters</a></div><div class="ttdeci">void SetMIPParameters(const MPSolverParameters &param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01935">linear_solver.cc:1935</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a42d79af323cdc77e77c19ee22f9e3aa9"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">operations_research::MPSolverInterface::last_constraint_index_</a></div><div class="ttdeci">int last_constraint_index_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01764">linear_solver.h:1764</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a59bc4e0d53dc2b904c7bee672403c0eb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">operations_research::MPSolverInterface::constraint_is_extracted</a></div><div class="ttdeci">bool constraint_is_extracted(int ct_index) const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01700">linear_solver.h:1700</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a671b20aa1d2532721b614ce2660e3872"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a671b20aa1d2532721b614ce2660e3872">operations_research::MPSolverInterface::kUnknownNumberOfNodes</a></div><div class="ttdeci">static constexpr int64_t kUnknownNumberOfNodes</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01570">linear_solver.h:1570</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a6e75ff5a6525adc2eb42552c6f475b7a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">operations_research::MPSolverInterface::best_objective_bound_</a></div><div class="ttdeci">double best_objective_bound_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01772">linear_solver.h:1772</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a8da48eff5b28feb8b66ba111af16a974"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a8da48eff5b28feb8b66ba111af16a974">operations_research::MPSolverInterface::CheckSolutionIsSynchronizedAndExists</a></div><div class="ttdeci">bool CheckSolutionIsSynchronizedAndExists() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01674">linear_solver.h:1674</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a8de44e2ad146c09314404500cde2f645"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">operations_research::MPSolverInterface::CheckSolutionIsSynchronized</a></div><div class="ttdeci">bool CheckSolutionIsSynchronized() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01854">linear_solver.cc:1854</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">operations_research::MPSolverInterface::SOLUTION_SYNCHRONIZED</a></div><div class="ttdeci">@ SOLUTION_SYNCHRONIZED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01563">linear_solver.h:1562</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">operations_research::MPSolverInterface::MODEL_SYNCHRONIZED</a></div><div class="ttdeci">@ MODEL_SYNCHRONIZED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01559">linear_solver.h:1559</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">operations_research::MPSolverInterface::MUST_RELOAD</a></div><div class="ttdeci">@ MUST_RELOAD</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01555">linear_solver.h:1555</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aa2fedb3c02ffb092a6c19a0ee1e81a02"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">operations_research::MPSolverInterface::quiet_</a></div><div class="ttdeci">bool quiet_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01775">linear_solver.h:1775</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aa83a7b3f61fb55d22d1aa9aac0be4a7c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">operations_research::MPSolverInterface::last_variable_index_</a></div><div class="ttdeci">int last_variable_index_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01766">linear_solver.h:1766</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ab2b08a14c8c4d2242558d3fa6a436e8c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">operations_research::MPSolverInterface::ResetExtractionInformation</a></div><div class="ttdeci">void ResetExtractionInformation()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01846">linear_solver.cc:1846</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ab98fea2f5c1fd6b9b139aae267a143a8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">operations_research::MPSolverInterface::variable_is_extracted</a></div><div class="ttdeci">bool variable_is_extracted(int var_index) const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01694">linear_solver.h:1694</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_accec08e7a0a89158c5d9aa5f6b25b695"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#accec08e7a0a89158c5d9aa5f6b25b695">operations_research::MPSolverInterface::kUnknownNumberOfIterations</a></div><div class="ttdeci">static constexpr int64_t kUnknownNumberOfIterations</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01567">linear_solver.h:1567</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_acfc10005cc5c154f193ecf163ba7a646"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">operations_research::MPSolverInterface::SetUnsupportedIntegerParam</a></div><div class="ttdeci">virtual void SetUnsupportedIntegerParam(MPSolverParameters::IntegerParam param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01946">linear_solver.cc:1946</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ad5d09a69c6c8c8eea9311b0513628683"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">operations_research::MPSolverInterface::maximize_</a></div><div class="ttdeci">bool maximize_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01761">linear_solver.h:1761</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aea23a93e629de1fd6eb44ee929ccc9ba"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">operations_research::MPSolverInterface::set_variable_as_extracted</a></div><div class="ttdeci">void set_variable_as_extracted(int var_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01697">linear_solver.h:1697</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_af093ce79e6a0d2e334ebe94579003de6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">operations_research::MPSolverInterface::objective_value_</a></div><div class="ttdeci">double objective_value_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01769">linear_solver.h:1769</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_af8505c2f03b5b90c1080452e26397275"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">operations_research::MPSolverInterface::SetCommonParameters</a></div><div class="ttdeci">void SetCommonParameters(const MPSolverParameters &param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01914">linear_solver.cc:1914</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_afb4493b8573d16e076059c755d2213b0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#afb4493b8573d16e076059c755d2213b0">operations_research::MPSolverInterface::ExtractModel</a></div><div class="ttdeci">void ExtractModel()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01818">linear_solver.cc:1818</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_afbef7ee46d807e084dcf1fca7a4de2e7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">operations_research::MPSolverInterface::sync_status_</a></div><div class="ttdeci">SynchronizationStatus sync_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01756">linear_solver.h:1756</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html">operations_research::MPSolverParameters</a></div><div class="ttdoc">This class stores parameter settings for LP and MIP solvers.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01394">linear_solver.h:1394</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">operations_research::MPSolverParameters::INCREMENTALITY_OFF</a></div><div class="ttdeci">@ INCREMENTALITY_OFF</div><div class="ttdoc">Start solve from scratch.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01445">linear_solver.h:1445</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">operations_research::MPSolverParameters::IntegerParam</a></div><div class="ttdeci">IntegerParam</div><div class="ttdoc">Enumeration of parameters that take integer or categorical values.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01413">linear_solver.h:1413</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">operations_research::MPSolverParameters::LP_ALGORITHM</a></div><div class="ttdeci">@ LP_ALGORITHM</div><div class="ttdoc">Algorithm to solve linear programs.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01417">linear_solver.h:1417</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">operations_research::MPSolverParameters::SCALING</a></div><div class="ttdeci">@ SCALING</div><div class="ttdoc">Advanced usage: enable or disable matrix scaling.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01422">linear_solver.h:1421</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">operations_research::MPSolverParameters::PRESOLVE</a></div><div class="ttdeci">@ PRESOLVE</div><div class="ttdoc">Advanced usage: presolve mode.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01415">linear_solver.h:1415</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">operations_research::MPSolverParameters::INCREMENTALITY</a></div><div class="ttdeci">@ INCREMENTALITY</div><div class="ttdoc">Advanced usage: incrementality from one solve to the next.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01419">linear_solver.h:1419</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b">operations_research::MPSolverParameters::DUAL</a></div><div class="ttdeci">@ DUAL</div><div class="ttdoc">Dual simplex.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01435">linear_solver.h:1435</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee">operations_research::MPSolverParameters::PRIMAL</a></div><div class="ttdeci">@ PRIMAL</div><div class="ttdoc">Primal simplex.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01437">linear_solver.h:1437</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493">operations_research::MPSolverParameters::BARRIER</a></div><div class="ttdeci">@ BARRIER</div><div class="ttdoc">Barrier algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01440">linear_solver.h:1439</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">operations_research::MPSolverParameters::PRESOLVE_ON</a></div><div class="ttdeci">@ PRESOLVE_ON</div><div class="ttdoc">Presolve is on.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01430">linear_solver.h:1429</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a">operations_research::MPSolverParameters::PRESOLVE_OFF</a></div><div class="ttdeci">@ PRESOLVE_OFF</div><div class="ttdoc">Presolve is off.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01427">linear_solver.h:1427</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_aeae0a6e1e84d015690573b08d62b1395"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">operations_research::MPSolverParameters::GetIntegerParam</a></div><div class="ttdeci">int GetIntegerParam(MPSolverParameters::IntegerParam param) const</div><div class="ttdoc">Returns the value of an integer parameter.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l02144">linear_solver.cc:2144</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_variable_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html">operations_research::MPVariable</a></div><div class="ttdoc">The class for variables of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01086">linear_solver.h:1086</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_variable_html_acca41811e8aaab0112b987749c0ecb93"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">operations_research::MPVariable::index</a></div><div class="ttdeci">int index() const</div><div class="ttdoc">Returns the index of the variable in the MPSolver::variables_.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01107">linear_solver.h:1107</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html">operations_research::SCIPInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00061">scip_interface.cc:61</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a0f868ea21814f5c0e34d8e99d32b1695"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695">operations_research::SCIPInterface::BranchingPriorityChangedForVariable</a></div><div class="ttdeci">void BranchingPriorityChangedForVariable(int var_index) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00472">scip_interface.cc:472</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a184ec0d20ff98329d2d6d6320adeffb1"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1">operations_research::SCIPInterface::~SCIPInterface</a></div><div class="ttdeci">~SCIPInterface() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00254">scip_interface.cc:254</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a22734d2e8cf1fbc6c9442ff16e9ff1c2"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2">operations_research::SCIPInterface::SetCoefficient</a></div><div class="ttdeci">void SetCoefficient(MPConstraint *constraint, const MPVariable *variable, double new_value, double old_value) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00393">scip_interface.cc:393</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a319f20d3c7b1f1845eaa7733fddec5c5"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5">operations_research::SCIPInterface::AddRowConstraint</a></div><div class="ttdeci">void AddRowConstraint(MPConstraint *ct) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00484">scip_interface.cc:484</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a3cf2f9d593dc71ba1d2114bb70d25745"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">operations_research::SCIPInterface::ExtractObjective</a></div><div class="ttdeci">void ExtractObjective() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00640">scip_interface.cc:640</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a3fb40176ccbc43c52d549364ad081f0d"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a3fb40176ccbc43c52d549364ad081f0d">operations_research::SCIPInterface::underlying_solver</a></div><div class="ttdeci">void * underlying_solver() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00123">scip_interface.cc:123</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a4138871e96e884736818baa24b937ca5"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a4138871e96e884736818baa24b937ca5">operations_research::SCIPInterface::IsContinuous</a></div><div class="ttdeci">bool IsContinuous() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00099">scip_interface.cc:99</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a462b98e5264614683c26f693a9066a53"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53">operations_research::SCIPInterface::SetConstraintBounds</a></div><div class="ttdeci">void SetConstraintBounds(int row_index, double lb, double ub) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00377">scip_interface.cc:377</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a4a29067fc2546e6cbee9b6cb77fa4a22"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a4a29067fc2546e6cbee9b6cb77fa4a22">operations_research::SCIPInterface::InterruptSolve</a></div><div class="ttdeci">bool InterruptSolve() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00113">scip_interface.cc:113</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a4a2cd522f4d71f1bd1f50b9b013b696f"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">operations_research::SCIPInterface::Solve</a></div><div class="ttdeci">MPSolver::ResultStatus Solve(const MPSolverParameters &param) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00673">scip_interface.cc:673</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a5001d62b9a3953e998a2dcc65e650384"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384">operations_research::SCIPInterface::ClearConstraint</a></div><div class="ttdeci">void ClearConstraint(MPConstraint *constraint) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00418">scip_interface.cc:418</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a6f1bec23477838426baf832738e752de"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a6f1bec23477838426baf832738e752de">operations_research::SCIPInterface::row_status</a></div><div class="ttdeci">MPSolver::BasisStatus row_status(int constraint_index) const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00090">scip_interface.cc:90</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a7161a285a13ffdffbe90d890d061ab21"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a7161a285a13ffdffbe90d890d061ab21">operations_research::SCIPInterface::SupportsCallbacks</a></div><div class="ttdeci">bool SupportsCallbacks() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00150">scip_interface.cc:150</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9224449687a7cc715bb50c67579d6e48"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48">operations_research::SCIPInterface::SetVariableInteger</a></div><div class="ttdeci">void SetVariableInteger(int var_index, bool integer) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00356">scip_interface.cc:356</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9436ed8aa5d2540af34e24ba7a8c196d"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9436ed8aa5d2540af34e24ba7a8c196d">operations_research::SCIPInterface::SetCallback</a></div><div class="ttdeci">void SetCallback(MPCallback *mp_callback) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01148">scip_interface.cc:1148</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a97e8091c50a3bfc2706b05806a96bdbd"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">operations_research::SCIPInterface::SetObjectiveOffset</a></div><div class="ttdeci">void SetObjectiveOffset(double value) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00443">scip_interface.cc:443</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a982ccffd8a70d27afd8a7028640fcf74"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74">operations_research::SCIPInterface::AddVariable</a></div><div class="ttdeci">void AddVariable(MPVariable *var) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00493">scip_interface.cc:493</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9a897a055431b561bc3cb5eac98480ca"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca">operations_research::SCIPInterface::SCIPInterface</a></div><div class="ttdeci">SCIPInterface(MPSolver *solver)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00249">scip_interface.cc:249</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9dceba6f59c9e8d43dadb46cab19e14f"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">operations_research::SCIPInterface::ExtractNewConstraints</a></div><div class="ttdeci">void ExtractNewConstraints() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00540">scip_interface.cc:540</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_aa3ff809c3ba53969d98fb9c9e027083f"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#aa3ff809c3ba53969d98fb9c9e027083f">operations_research::SCIPInterface::DirectlySolveProto</a></div><div class="ttdeci">absl::optional< MPSolutionResponse > DirectlySolveProto(const MPModelRequest &request, std::atomic< bool > *interrupt) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00862">scip_interface.cc:862</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_aa70fd7de7d1b6eb48564ad89ba711cbe"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe">operations_research::SCIPInterface::SolverVersion</a></div><div class="ttdeci">std::string SolverVersion() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00107">scip_interface.cc:107</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_acbd833d357081a9f005404f4eefde424"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424">operations_research::SCIPInterface::ExtractNewVariables</a></div><div class="ttdeci">void ExtractNewVariables() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00495">scip_interface.cc:495</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_acde6592ac8af4c591ec42e840e3df10b"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b">operations_research::SCIPInterface::SetObjectiveCoefficient</a></div><div class="ttdeci">void SetObjectiveCoefficient(const MPVariable *variable, double coefficient) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00437">scip_interface.cc:437</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_acf102e862da164f1dc4c7bdc8ef83031"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031">operations_research::SCIPInterface::AddIndicatorConstraint</a></div><div class="ttdeci">bool AddIndicatorConstraint(MPConstraint *ct) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00488">scip_interface.cc:488</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_ad574ab34472f639e86c4b5510e58a938"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#ad574ab34472f639e86c4b5510e58a938">operations_research::SCIPInterface::nodes</a></div><div class="ttdeci">int64_t nodes() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00908">scip_interface.cc:908</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_addb54e5a4df07ffca5bcb804b92ae477"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477">operations_research::SCIPInterface::SetVariableBounds</a></div><div class="ttdeci">void SetVariableBounds(int var_index, double lb, double ub) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00340">scip_interface.cc:340</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_ae0c104defe537af5cb4c74472bd855b3"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#ae0c104defe537af5cb4c74472bd855b3">operations_research::SCIPInterface::IsLP</a></div><div class="ttdeci">bool IsLP() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00100">scip_interface.cc:100</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_ae3441d342bd353e7ce0aa60662872592"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#ae3441d342bd353e7ce0aa60662872592">operations_research::SCIPInterface::IsMIP</a></div><div class="ttdeci">bool IsMIP() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00101">scip_interface.cc:101</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_ae6985cb017825222a1d260ce55f9c598"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#ae6985cb017825222a1d260ce55f9c598">operations_research::SCIPInterface::iterations</a></div><div class="ttdeci">int64_t iterations() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00901">scip_interface.cc:901</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af09b34b07f4db68ced0239cc959ee2e2"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af09b34b07f4db68ced0239cc959ee2e2">operations_research::SCIPInterface::NextSolution</a></div><div class="ttdeci">bool NextSolution() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00887">scip_interface.cc:887</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af49d135ea40b2749802105381cf43cf4"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4">operations_research::SCIPInterface::SetOptimizationDirection</a></div><div class="ttdeci">void SetOptimizationDirection(bool maximize) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00332">scip_interface.cc:332</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af648842d17e3301389e84dbf0cfcef18"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af648842d17e3301389e84dbf0cfcef18">operations_research::SCIPInterface::column_status</a></div><div class="ttdeci">MPSolver::BasisStatus column_status(int variable_index) const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00094">scip_interface.cc:94</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af82f4acaed7bb39d568e689a9caa63d5"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">operations_research::SCIPInterface::Reset</a></div><div class="ttdeci">void Reset() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00256">scip_interface.cc:256</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af9cf3c86b3e07b1f6761f3d12f04b068"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">operations_research::SCIPInterface::ClearObjective</a></div><div class="ttdeci">void ClearObjective() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00448">scip_interface.cc:448</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html">operations_research::ScipConstraintHandlerContext</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00083">scip_callback.h:83</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_a4a1bfdb9483ad4c428b481bd6111a357"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#a4a1bfdb9483ad4c428b481bd6111a357">operations_research::ScipConstraintHandlerContext::VariableValue</a></div><div class="ttdeci">double VariableValue(const MPVariable *variable) const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00077">scip_callback.cc:77</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_abb2d1b6efd2b973ed78b20e538047f7a"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#abb2d1b6efd2b973ed78b20e538047f7a">operations_research::ScipConstraintHandlerContext::NumNodesProcessed</a></div><div class="ttdeci">int64_t NumNodesProcessed() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00082">scip_callback.cc:82</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_ae2bd8b9f0e49b121fe142dc28dc4894f"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#ae2bd8b9f0e49b121fe142dc28dc4894f">operations_research::ScipConstraintHandlerContext::is_pseudo_solution</a></div><div class="ttdeci">bool is_pseudo_solution() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00102">scip_callback.h:102</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_for_m_p_callback_html"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html">operations_research::ScipConstraintHandlerForMPCallback</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00214">scip_interface.cc:215</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_for_m_p_callback_html_a217afaf472e9bfb3d51df228332b1a68"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a217afaf472e9bfb3d51df228332b1a68">operations_research::ScipConstraintHandlerForMPCallback::ScipConstraintHandlerForMPCallback</a></div><div class="ttdeci">ScipConstraintHandlerForMPCallback(MPCallback *mp_callback)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01116">scip_interface.cc:1116</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_for_m_p_callback_html_a3e18f80cfb3f611733d1bb64990e6cd3"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a3e18f80cfb3f611733d1bb64990e6cd3">operations_research::ScipConstraintHandlerForMPCallback::SeparateFractionalSolution</a></div><div class="ttdeci">std::vector< CallbackRangeConstraint > SeparateFractionalSolution(const ScipConstraintHandlerContext &context, const EmptyStruct &) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01128">scip_interface.cc:1128</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_for_m_p_callback_html_a74c41cbfedc3b09026579e267895acd6"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#a74c41cbfedc3b09026579e267895acd6">operations_research::ScipConstraintHandlerForMPCallback::mp_callback</a></div><div class="ttdeci">MPCallback *const mp_callback() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00225">scip_interface.cc:225</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_for_m_p_callback_html_af53667948cc93bb50d6573bfaa2f090b"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_for_m_p_callback.html#af53667948cc93bb50d6573bfaa2f090b">operations_research::ScipConstraintHandlerForMPCallback::SeparateIntegerSolution</a></div><div class="ttdeci">std::vector< CallbackRangeConstraint > SeparateIntegerSolution(const ScipConstraintHandlerContext &context, const EmptyStruct &) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01134">scip_interface.cc:1134</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html">operations_research::ScipConstraintHandler</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00119">scip_callback.h:119</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html">operations_research::ScipMPCallbackContext</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01050">scip_interface.cc:1050</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_a10a6fee706e3a27dd9bbcd8c7759064a"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#a10a6fee706e3a27dd9bbcd8c7759064a">operations_research::ScipMPCallbackContext::ScipMPCallbackContext</a></div><div class="ttdeci">ScipMPCallbackContext(const ScipConstraintHandlerContext *scip_context, bool at_integer_solution)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01052">scip_interface.cc:1052</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_a30073c763dbaefec43cc583108734f76"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#a30073c763dbaefec43cc583108734f76">operations_research::ScipMPCallbackContext::NumExploredNodes</a></div><div class="ttdeci">int64_t NumExploredNodes() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01094">scip_interface.cc:1094</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_a35b0a5ff10cf288bef84d8a90114aafc"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#a35b0a5ff10cf288bef84d8a90114aafc">operations_research::ScipMPCallbackContext::CanQueryVariableValues</a></div><div class="ttdeci">bool CanQueryVariableValues() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01064">scip_interface.cc:1064</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_a663fa38e30137aa88e690908fc8e4885"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#a663fa38e30137aa88e690908fc8e4885">operations_research::ScipMPCallbackContext::constraints_added</a></div><div class="ttdeci">const std::vector< CallbackRangeConstraint > & constraints_added()</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01105">scip_interface.cc:1105</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_a79b0b72307928b949a6818ef134c4b2f"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#a79b0b72307928b949a6818ef134c4b2f">operations_research::ScipMPCallbackContext::AddLazyConstraint</a></div><div class="ttdeci">void AddLazyConstraint(const LinearRange &lazy_constraint) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01081">scip_interface.cc:1081</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_aa78ec98396f42ae2122a53535813f938"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#aa78ec98396f42ae2122a53535813f938">operations_research::ScipMPCallbackContext::Event</a></div><div class="ttdeci">MPCallbackEvent Event() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01057">scip_interface.cc:1057</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_aaf98ff95af0e9af5addadb5b3c271fc9"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#aaf98ff95af0e9af5addadb5b3c271fc9">operations_research::ScipMPCallbackContext::AddCut</a></div><div class="ttdeci">void AddCut(const LinearRange &cutting_plane) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01073">scip_interface.cc:1073</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_acc4e362d92c1d8ec8453ff089329f943"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#acc4e362d92c1d8ec8453ff089329f943">operations_research::ScipMPCallbackContext::SuggestSolution</a></div><div class="ttdeci">double SuggestSolution(const absl::flat_hash_map< const MPVariable *, double > &solution) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01089">scip_interface.cc:1089</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_m_p_callback_context_html_afc5ebc320e7aa4ad2c0d8aa312ed6465"><div class="ttname"><a href="classoperations__research_1_1_scip_m_p_callback_context.html#afc5ebc320e7aa4ad2c0d8aa312ed6465">operations_research::ScipMPCallbackContext::VariableValue</a></div><div class="ttdeci">double VariableValue(const MPVariable *variable) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01068">scip_interface.cc:1068</a></div></div>
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<div class="ttc" id="acleanup_8h_html"><div class="ttname"><a href="cleanup_8h.html">cleanup.h</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_abcd33b18ce6d5a90a4ba5c37cfa58829"><div class="ttname"><a href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div><div class="ttdeci">SharedResponseManager * response</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02015">cp_model_solver.cc:2015</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
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<div class="ttc" id="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="agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6"><div class="ttname"><a href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a></div><div class="ttdeci">GurobiMPCallbackContext * context</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00513">gurobi_interface.cc:513</a></div></div>
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<div class="ttc" id="ahash_8h_html"><div class="ttname"><a href="hash_8h.html">hash.h</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="alegacy__scip__params_8h_html"><div class="ttname"><a href="legacy__scip__params_8h.html">legacy_scip_params.h</a></div></div>
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<div class="ttc" id="alinear__solver_8h_html"><div class="ttname"><a href="linear__solver_8h.html">linear_solver.h</a></div><div class="ttdoc">A C++ wrapper that provides a simple and unified interface to several linear programming and mixed in...</div></div>
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<div class="ttc" id="alinear__solver_8pb_8h_html"><div class="ttname"><a href="linear__solver_8pb_8h.html">linear_solver.pb.h</a></div></div>
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<div class="ttc" id="alinear__solver__callback_8h_html"><div class="ttname"><a href="linear__solver__callback_8h.html">linear_solver_callback.h</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_a50e5762f38854b37ee3e2851bc1bb0e7"><div class="ttname"><a href="log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7">WARNING</a></div><div class="ttdeci">const int WARNING</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda"><div class="ttname"><a href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a></div><div class="ttdeci">const int FATAL</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
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<div class="ttc" id="alpi__glop_8cc_html_a8eb9536dfc7755a18b8f8df5a4b2876d"><div class="ttname"><a href="lpi__glop_8cc.html#a8eb9536dfc7755a18b8f8df5a4b2876d">SCIPlpiGetSolverName</a></div><div class="ttdeci">const char * SCIPlpiGetSolverName(void)</div><div class="ttdoc">gets name and version of LP solver</div><div class="ttdef"><b>Definition:</b> <a href="lpi__glop_8cc_source.html#l00137">lpi_glop.cc:137</a></div></div>
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<div class="ttc" id="anamespaceabsl_html_a01547ab811df98c71089487f394ec259"><div class="ttname"><a href="namespaceabsl.html#a01547ab811df98c71089487f394ec259">absl::MakeCleanup</a></div><div class="ttdeci">absl::Cleanup< absl::decay_t< Callback > > MakeCleanup(Callback &&callback)</div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00120">cleanup.h:120</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="anamespaceoperations__research_html_a1bdf7de568fd36934caf67b1bfd20455"><div class="ttname"><a href="namespaceoperations__research.html#a1bdf7de568fd36934caf67b1bfd20455">operations_research::BuildSCIPInterface</a></div><div class="ttdeci">MPSolverInterface * BuildSCIPInterface(MPSolver *const solver)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l01155">scip_interface.cc:1155</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a2b332c199c0cef58c53a677fdfa4996d"><div class="ttname"><a href="namespaceoperations__research.html#a2b332c199c0cef58c53a677fdfa4996d">operations_research::ScipSolveProto</a></div><div class="ttdeci">absl::StatusOr< MPSolutionResponse > ScipSolveProto(const MPModelRequest &request)</div><div class="ttdef"><b>Definition:</b> <a href="scip__proto__solver_8cc_source.html#l00660">scip_proto_solver.cc:660</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a4f0b2adea9a4297f27df941fe3ed3831"><div class="ttname"><a href="namespaceoperations__research.html#a4f0b2adea9a4297f27df941fe3ed3831">operations_research::MPCallbackEvent</a></div><div class="ttdeci">MPCallbackEvent</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver__callback_8h_source.html#l00037">linear_solver_callback.h:37</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a4f0b2adea9a4297f27df941fe3ed3831a744c240a000894a88cd9f4740db5b87f"><div class="ttname"><a href="namespaceoperations__research.html#a4f0b2adea9a4297f27df941fe3ed3831a744c240a000894a88cd9f4740db5b87f">operations_research::MPCallbackEvent::kMipSolution</a></div><div class="ttdeci">@ kMipSolution</div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a4f0b2adea9a4297f27df941fe3ed3831af29c26bf194553ac39cae68e31d6175c"><div class="ttname"><a href="namespaceoperations__research.html#a4f0b2adea9a4297f27df941fe3ed3831af29c26bf194553ac39cae68e31d6175c">operations_research::MPCallbackEvent::kMipNode</a></div><div class="ttdeci">@ kMipNode</div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6c33a211b2fdb0b6e816dc8e3f99c6f3"><div class="ttname"><a href="namespaceoperations__research.html#a6c33a211b2fdb0b6e816dc8e3f99c6f3">operations_research::LegacyScipSetSolverSpecificParameters</a></div><div class="ttdeci">absl::Status LegacyScipSetSolverSpecificParameters(const std::string &parameters, SCIP *scip)</div><div class="ttdef"><b>Definition:</b> <a href="legacy__scip__params_8cc_source.html#l00032">legacy_scip_params.cc:32</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">operations_research::MPSOLVER_NOT_SOLVED</a></div><div class="ttdeci">@ MPSOLVER_NOT_SOLVED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00241">linear_solver.pb.h:241</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00509">pack.cc:509</a></div></div>
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<div class="ttc" id="arouting__filters_8cc_html_a8e4ee19dee0e00541dbe9bbc83d806ba"><div class="ttname"><a href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a></div><div class="ttdeci">int64_t coefficient</div><div class="ttdef"><b>Definition:</b> <a href="routing__filters_8cc_source.html#l00985">routing_filters.cc:985</a></div></div>
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<div class="ttc" id="ascip__callback_8h_html"><div class="ttname"><a href="scip__callback_8h.html">scip_callback.h</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html"><div class="ttname"><a href="scip__helper__macros_8h.html">scip_helper_macros.h</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html_a01a5597b6c8cb50ac465e5abebf00eec"><div class="ttname"><a href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a></div><div class="ttdeci">#define SCIP_TO_STATUS(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__helper__macros_8h_source.html#l00035">scip_helper_macros.h:35</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html_a0bfa86b99ad635aeb448799ddf03cb1c"><div class="ttname"><a href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a></div><div class="ttdeci">#define RETURN_IF_SCIP_ERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__helper__macros_8h_source.html#l00039">scip_helper_macros.h:39</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a0c995fe033eca0f3e3213f56e9f4d258"><div class="ttname"><a href="scip__interface_8cc.html#a0c995fe033eca0f3e3213f56e9f4d258">ABSL_FLAG</a></div><div class="ttdeci">ABSL_FLAG(bool, scip_feasibility_emphasis, false, "When true, emphasize search towards feasibility. This may or " "may not result in speedups in some problems.")</div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a1ea9e351e9f26e38b029c3cb01f167cd"><div class="ttname"><a href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a></div><div class="ttdeci">#define RETURN_IF_ALREADY_IN_ERROR_STATE</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00235">scip_interface.cc:235</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a2062b8242f9df918deea5453973753f4"><div class="ttname"><a href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a></div><div class="ttdeci">#define RETURN_ABNORMAL_IF_SCIP_ERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00666">scip_interface.cc:666</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a3bee93eab1478b18c16b877db7c3885f"><div class="ttname"><a href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a></div><div class="ttdeci">#define RETURN_AND_STORE_IF_SCIP_ERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00243">scip_interface.cc:243</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a8e8cab6c879dc456fe0096c02bce706e"><div class="ttname"><a href="scip__interface_8cc.html#a8e8cab6c879dc456fe0096c02bce706e">RETURN_ABNORMAL_IF_BAD_STATUS</a></div><div class="ttdeci">#define RETURN_ABNORMAL_IF_BAD_STATUS</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00657">scip_interface.cc:657</a></div></div>
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<div class="ttc" id="ascip__proto__solver_8h_html"><div class="ttname"><a href="scip__proto__solver_8h.html">scip_proto_solver.h</a></div></div>
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<div class="ttc" id="astatus__macros_8h_html"><div class="ttname"><a href="status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_callback_range_constraint_html"><div class="ttname"><a href="structoperations__research_1_1_callback_range_constraint.html">operations_research::CallbackRangeConstraint</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00110">scip_callback.h:110</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_callback_range_constraint_html_a7508057c4a77634d05a75d72a82fac1b"><div class="ttname"><a href="structoperations__research_1_1_callback_range_constraint.html#a7508057c4a77634d05a75d72a82fac1b">operations_research::CallbackRangeConstraint::range</a></div><div class="ttdeci">LinearRange range</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00111">scip_callback.h:111</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_callback_range_constraint_html_aee8f5df15f0ef2fcbdfc34346856c254"><div class="ttname"><a href="structoperations__research_1_1_callback_range_constraint.html#aee8f5df15f0ef2fcbdfc34346856c254">operations_research::CallbackRangeConstraint::is_cut</a></div><div class="ttdeci">bool is_cut</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00112">scip_callback.h:112</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html">operations_research::ScipCallbackConstraintOptions</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00166">scip_callback.h:166</a></div></div>
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<div class="ttc" id="atimer_8h_html"><div class="ttname"><a href="timer_8h.html">timer.h</a></div></div>
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