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<div class="headertitle"><div class="title">cp_sat_solver.cc</div></div>
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<a href="cp__sat__solver_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="cp__sat__solver_8h.html">ortools/math_opt/solvers/cp_sat_solver.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <atomic></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <functional></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 <utility></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</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/memory/memory.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/status/status.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 "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "absl/strings/match.h"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "absl/strings/str_join.h"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "absl/strings/str_split.h"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "absl/time/clock.h"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "absl/time/time.h"</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="base_2logging_8h.html">ortools/base/logging.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="protoutil_8h.html">ortools/base/protoutil.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="base_2status__macros_8h.html">ortools/base/status_macros.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 "ortools/linear_solver/linear_solver.pb.h"</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="sat__proto__solver_8h.html">ortools/linear_solver/sat_proto_solver.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 "ortools/math_opt/callback.pb.h"</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="math__opt__proto__utils_8h.html">ortools/math_opt/core/math_opt_proto_utils.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 "<a class="code" href="solve__interrupter_8h.html">ortools/math_opt/core/solve_interrupter.h</a>"</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "<a class="code" href="solver__interface_8h.html">ortools/math_opt/core/solver_interface.h</a>"</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#include "<a class="code" href="sparse__vector__view_8h.html">ortools/math_opt/core/sparse_vector_view.h</a>"</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include "<a class="code" href="proto__converter_8h.html">ortools/math_opt/io/proto_converter.h</a>"</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#include "ortools/math_opt/model.pb.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 "ortools/math_opt/model_parameters.pb.h"</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor">#include "ortools/math_opt/parameters.pb.h"</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#include "ortools/math_opt/result.pb.h"</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="preprocessor">#include "ortools/math_opt/solution.pb.h"</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="preprocessor">#include "<a class="code" href="callback__validator_8h.html">ortools/math_opt/validators/callback_validator.h</a>"</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="preprocessor">#include "ortools/sat/sat_parameters.pb.h"</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</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="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research_1_1math__opt.html">math_opt</a> {</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="keyword">constexpr</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> = std::numeric_limits<double>::infinity();</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="comment">// Returns true on success.</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="keywordtype">bool</span> ApplyCutoff(<span class="keyword">const</span> <span class="keywordtype">double</span> cutoff, MPModelProto* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// TODO(b/204083726): we need to be careful here if we support quadratic</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// objectives</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->has_quadratic_objective()) {</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// CP-SAT detects a constraint parallel to the objective and uses it as</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// an objective bound, which is the closest we can get to cutoff.</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// See FindDuplicateConstraints() in CP-SAT codebase.</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> MPConstraintProto* <span class="keyword">const</span> cutoff_constraint = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->add_constraint();</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->variable_size(); ++i) {</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">const</span> <span class="keywordtype">double</span> obj_coef = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->variable(i).objective_coefficient();</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">if</span> (obj_coef != 0) {</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> cutoff_constraint->add_var_index(i);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> cutoff_constraint->add_coefficient(obj_coef);</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> }</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> }</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">const</span> <span class="keywordtype">double</span> cutoff_minus_offset = cutoff - <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->objective_offset();</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->maximize()) {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// Add the constraint obj >= cutoff</span></div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> cutoff_constraint->set_lower_bound(cutoff_minus_offset);</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// Add the constraint obj <= cutoff</span></div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> cutoff_constraint->set_upper_bound(cutoff_minus_offset);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span>}</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="comment">// Returns a list of warnings from parameter settings that were</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="comment">// invalid/unsupported (specific to CP-SAT), one element per bad parameter.</span></div>
|
|
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>std::vector<std::string> SetSolveParameters(</div>
|
|
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">const</span> SolveParametersProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, <span class="keyword">const</span> <span class="keywordtype">bool</span> has_message_callback,</div>
|
|
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> MPModelRequest& request) {</div>
|
|
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> std::vector<std::string> warnings;</div>
|
|
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_time_limit()) {</div>
|
|
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> request.set_solver_time_limit_seconds(absl::ToDoubleSeconds(</div>
|
|
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_function" href="namespaceutil__time.html#a801584734c5b3898f94cf932202b2eb7">util_time::DecodeGoogleApiProto</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.time_limit()).value()));</div>
|
|
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
|
|
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_node_limit()) {</div>
|
|
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> warnings.push_back(<span class="stringliteral">"The node_limit parameter is not supported for CP-SAT."</span>);</div>
|
|
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
|
|
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
|
|
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// Build CP SAT parameters by first initializing them from the common</span></div>
|
|
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// parameters, and then using the values in `solver_specific_parameters` to</span></div>
|
|
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// overwrite them if necessary.</span></div>
|
|
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// We don't need to set max_time_in_seconds since we already pass it in the</span></div>
|
|
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// `request.solver_time_limit_seconds`. The logic of `SatSolveProto()` will</span></div>
|
|
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// apply the logic we want here.</span></div>
|
|
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> sat::SatParameters sat_parameters;</div>
|
|
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
|
|
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// By default CP-SAT catches SIGINT (Ctrl-C) to interrupt the solve but we</span></div>
|
|
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// don't want this behavior when the users uses CP-SAT through MathOpt.</span></div>
|
|
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> sat_parameters.set_catch_sigint_signal(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
|
|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_random_seed()) {</div>
|
|
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> sat_parameters.set_random_seed(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.random_seed());</div>
|
|
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> }</div>
|
|
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_threads()) {</div>
|
|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> sat_parameters.set_num_search_workers(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.threads());</div>
|
|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> }</div>
|
|
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_relative_gap_tolerance()) {</div>
|
|
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> sat_parameters.set_relative_gap_limit(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.relative_gap_tolerance());</div>
|
|
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div>
|
|
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
|
|
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_absolute_gap_tolerance()) {</div>
|
|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> sat_parameters.set_absolute_gap_limit(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.absolute_gap_tolerance());</div>
|
|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
|
|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// cutoff_limit is handled outside this function as it modifies the model.</span></div>
|
|
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_best_bound_limit()) {</div>
|
|
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> warnings.push_back(</div>
|
|
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="stringliteral">"The best_bound_limit parameter is not supported for CP-SAT."</span>);</div>
|
|
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
|
|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_objective_limit()) {</div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> warnings.push_back(</div>
|
|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="stringliteral">"The objective_limit parameter is not supported for CP-SAT."</span>);</div>
|
|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
|
|
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_solution_limit()) {</div>
|
|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.solution_limit() == 1) {</div>
|
|
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> sat_parameters.set_stop_after_first_solution(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> warnings.push_back(absl::StrCat(</div>
|
|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="stringliteral">"The CP-SAT solver only supports value 1 for solution_limit, found: "</span>,</div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.solution_limit()));</div>
|
|
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> }</div>
|
|
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div>
|
|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
|
|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.lp_algorithm() != LP_ALGORITHM_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> warnings.push_back(</div>
|
|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> absl::StrCat(<span class="stringliteral">"Setting the LP Algorithm (was set to "</span>,</div>
|
|
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.lp_algorithm()),</div>
|
|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="stringliteral">") is not supported for CP_SAT solver"</span>));</div>
|
|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
|
|
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.presolve() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.presolve()) {</div>
|
|
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> sat_parameters.set_cp_model_presolve(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> sat_parameters.set_cp_model_presolve(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</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">"Presolve emphasis: "</span></div>
|
|
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.presolve())</div>
|
|
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> << <span class="stringliteral">" unknown, error setting CP-SAT parameters"</span>;</div>
|
|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> }</div>
|
|
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div>
|
|
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.scaling() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> warnings.push_back(absl::StrCat(<span class="stringliteral">"Setting the scaling (was set to "</span>,</div>
|
|
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.scaling()),</div>
|
|
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="stringliteral">") is not supported for CP_SAT solver"</span>));</div>
|
|
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div>
|
|
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cuts() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cuts()) {</div>
|
|
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// This is not very maintainable, but CP-SAT doesn't expose the</span></div>
|
|
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// parameters we need.</span></div>
|
|
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> sat_parameters.set_add_cg_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> sat_parameters.set_add_mir_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> sat_parameters.set_add_zero_half_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> sat_parameters.set_add_clique_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> sat_parameters.set_max_all_diff_cut_size(0);</div>
|
|
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> sat_parameters.set_add_lin_max_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</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">"Cut emphasis: "</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cuts())</div>
|
|
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> << <span class="stringliteral">" unknown, error setting CP-SAT parameters"</span>;</div>
|
|
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> }</div>
|
|
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> }</div>
|
|
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.heuristics() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> warnings.push_back(absl::StrCat(<span class="stringliteral">"Setting the heuristics (was set to "</span>,</div>
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|
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.heuristics()),</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="stringliteral">") is not supported for CP_SAT solver"</span>));</div>
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|
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
|
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> sat_parameters.MergeFrom(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cp_sat());</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// We want to override specifically SAT parameters independently from the user</span></div>
|
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="comment">// input when a message callback is used to prevent wrongful writes to stdout</span></div>
|
|
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="comment">// or disabling of messages via these parameters.</span></div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">if</span> (has_message_callback) {</div>
|
|
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// When enable_internal_solver_output is used, CP-SAT solver actually has</span></div>
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|
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// the same effect as setting log_search_progress to true.</span></div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> sat_parameters.set_log_search_progress(<span class="keyword">true</span>);</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
|
|
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// Default value of log_to_stdout is true; but even if it was not the case,</span></div>
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|
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// we don't want to write to stdout when a message callback is used.</span></div>
|
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> sat_parameters.set_log_to_stdout(<span class="keyword">false</span>);</div>
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|
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// We only set enable_internal_solver_output when we have no message</span></div>
|
|
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="comment">// callback.</span></div>
|
|
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> request.set_enable_internal_solver_output(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.enable_output());</div>
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|
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div>
|
|
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
|
|
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> request.set_solver_specific_parameters(</div>
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|
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <a class="code hl_function" href="namespaceoperations__research.html#aa36d0369726118d22cf2fa47aa739f4d">EncodeSatParametersAsString</a>(sat_parameters));</div>
|
|
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">return</span> warnings;</div>
|
|
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span>}</div>
|
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span>absl::StatusOr<std::pair<SolveStatsProto, TerminationProto>></div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>GetTerminationAndStats(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_interrupted, <span class="keyword">const</span> <span class="keywordtype">bool</span> maximize,</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> used_cutoff,</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">const</span> MPSolutionResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> SolveStatsProto solve_stats;</div>
|
|
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> TerminationProto termination;</div>
|
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
|
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// Set default status and bounds.</span></div>
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|
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> solve_stats.mutable_problem_status()->set_primal_status(</div>
|
|
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> FEASIBILITY_STATUS_UNDETERMINED);</div>
|
|
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> solve_stats.set_best_primal_bound(maximize ? -<a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> : <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>);</div>
|
|
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> solve_stats.mutable_problem_status()->set_dual_status(</div>
|
|
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> FEASIBILITY_STATUS_UNDETERMINED);</div>
|
|
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> solve_stats.set_best_dual_bound(maximize ? <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> : -<a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>);</div>
|
|
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
|
|
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// Set terminations and update status and bounds as appropriate.</span></div>
|
|
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()) {</div>
|
|
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">case</span> MPSOLVER_OPTIMAL:</div>
|
|
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> termination =</div>
|
|
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_OPTIMAL, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> solve_stats.mutable_problem_status()->set_primal_status(</div>
|
|
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> solve_stats.set_best_primal_bound(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.objective_value());</div>
|
|
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> solve_stats.mutable_problem_status()->set_dual_status(</div>
|
|
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> solve_stats.set_best_dual_bound(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.best_objective_bound());</div>
|
|
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="keywordflow">case</span> MPSOLVER_INFEASIBLE:</div>
|
|
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (used_cutoff) {</div>
|
|
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> termination =</div>
|
|
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a83a0991912b16a906577438e2e3479c6">NoSolutionFoundTermination</a>(LIMIT_CUTOFF, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> termination = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_INFEASIBLE,</div>
|
|
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> solve_stats.mutable_problem_status()->set_primal_status(</div>
|
|
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> FEASIBILITY_STATUS_INFEASIBLE);</div>
|
|
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> }</div>
|
|
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">case</span> MPSOLVER_UNKNOWN_STATUS:</div>
|
|
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="comment">// For a basic unbounded problem, CP-SAT internally returns</span></div>
|
|
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="comment">// INFEASIBLE_OR_UNBOUNDED after presolve but MPSolver statuses don't</span></div>
|
|
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// support that thus it get transformed in MPSOLVER_UNKNOWN_STATUS with</span></div>
|
|
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// a status_str of</span></div>
|
|
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// "Problem proven infeasible or unbounded during MIP presolve"</span></div>
|
|
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// There may be some other cases where CP-SAT returns UNKNOWN here so we</span></div>
|
|
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// only return TERMINATION_REASON_INFEASIBLE_OR_UNBOUNDED when the</span></div>
|
|
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// status_str is detected. Otherwise we return OTHER_ERROR.</span></div>
|
|
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">// TODO(b/202159173): A better solution would be to use CP-SAT API</span></div>
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|
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// directly which may help further improve the statuses.</span></div>
|
|
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">if</span> (absl::StrContains(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str(), <span class="stringliteral">"infeasible or unbounded"</span>)) {</div>
|
|
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> termination = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(</div>
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|
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> TERMINATION_REASON_INFEASIBLE_OR_UNBOUNDED, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> solve_stats.mutable_problem_status()->set_primal_or_dual_infeasible(</div>
|
|
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> termination = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_OTHER_ERROR,</div>
|
|
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> }</div>
|
|
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">case</span> MPSOLVER_FEASIBLE:</div>
|
|
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> termination = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a0c2a048ffad95d109485f661fcba75d2">FeasibleTermination</a>(</div>
|
|
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> is_interrupted ? LIMIT_INTERRUPTED : LIMIT_UNDETERMINED,</div>
|
|
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> solve_stats.mutable_problem_status()->set_primal_status(</div>
|
|
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> solve_stats.set_best_primal_bound(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.objective_value());</div>
|
|
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> solve_stats.set_best_dual_bound(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.best_objective_bound());</div>
|
|
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span> (std::isfinite(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.best_objective_bound())) {</div>
|
|
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> solve_stats.mutable_problem_status()->set_dual_status(</div>
|
|
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> }</div>
|
|
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">case</span> MPSOLVER_NOT_SOLVED:</div>
|
|
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> termination = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a83a0991912b16a906577438e2e3479c6">NoSolutionFoundTermination</a>(</div>
|
|
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> is_interrupted ? LIMIT_INTERRUPTED : LIMIT_UNDETERMINED,</div>
|
|
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">case</span> MPSOLVER_MODEL_INVALID:</div>
|
|
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> absl::StrCat(<span class="stringliteral">"cp-sat solver returned MODEL_INVALID, details: "</span>,</div>
|
|
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str()));</div>
|
|
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> absl::StrCat(<span class="stringliteral">"unexpected solve status: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()));</div>
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|
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> }</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="keywordflow">return</span> std::make_pair(std::move(solve_stats), std::move(termination));</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> </div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> </div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a61ac0bc6afed786de631c4a91faeb866"> 324</a></span>absl::StatusOr<std::unique_ptr<SolverInterface>> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a61ac0bc6afed786de631c4a91faeb866">CpSatSolver::New</a>(</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">const</span> ModelProto& <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args.html">InitArgs</a>& init_args) {</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_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(MPModelProto cp_sat_model,</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a5d8c9048c51c1bc6685751a7cb8514fe">MathOptModelToMPModelProto</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>));</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> std::vector <a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variables().ids().begin(),</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variables().ids().end());</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> std::vector linear_constraint_ids(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.linear_constraints().ids().begin(),</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.linear_constraints().ids().end());</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="comment">// TODO(b/204083726): Remove this check if QP support is added</span></div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().quadratic_coefficients().row_ids().empty()) {</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="stringliteral">"MathOpt does not currently support CP-SAT models with quadratic "</span></div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="stringliteral">"objectives"</span>);</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordflow">return</span> absl::WrapUnique(<span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html">CpSatSolver</a>(</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> std::move(cp_sat_model),</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">/*variable_ids=*/</span>std::move(<a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>),</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">/*linear_constraint_ids=*/</span>std::move(linear_constraint_ids)));</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span>}</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a7875bc8ab28e1cf6cefc688d7b70ac7e"> 344</a></span>absl::StatusOr<SolveResultProto> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a7875bc8ab28e1cf6cefc688d7b70ac7e">CpSatSolver::Solve</a>(</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keyword">const</span> SolveParametersProto& <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="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keyword">const</span> <a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#aad3360b1947c772bebf3d3cfb2105a15">MessageCallback</a> message_cb,</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keyword">const</span> CallbackRegistrationProto& callback_registration, <span class="keyword">const</span> <a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">Callback</a> cb,</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">SolveInterrupter</a>* <span class="keyword">const</span> interrupter) {</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keyword">const</span> absl::Time <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a> = absl::Now();</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> </div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a0d2106bc8a55ecfe52d502eee346b62a">CheckRegisteredCallbackEvents</a>(</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> callback_registration,</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="comment">/*supported_events=*/</span>{CALLBACK_EVENT_MIP_SOLUTION}));</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">if</span> (callback_registration.add_lazy_constraints()) {</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="stringliteral">"CallbackRegistrationProto.add_lazy_constraints=true is not supported "</span></div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="stringliteral">"for CP-SAT."</span>);</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> }</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// We need not check callback_registration.add_cuts, as cuts can only be added</span></div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// at event MIP_NODE which we have already validated is not supported.</span></div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> </div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> SolveResultProto result;</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> MPModelRequest req;</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <span class="comment">// Here we must make a copy since Solve() can be called multiple times with</span></div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="comment">// different parameters. Hence we can't move `cp_sat_model`.</span></div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> *req.mutable_model() = cp_sat_model_;</div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> </div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> req.set_solver_type(MPModelRequest::SAT_INTEGER_PROGRAMMING);</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordtype">bool</span> used_cutoff = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> {</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> std::vector<std::string> param_warnings =</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> SetSolveParameters(<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="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="comment">/*has_message_callback=*/</span>message_cb != <span class="keyword">nullptr</span>, req);</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_cutoff_limit()) {</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> used_cutoff = ApplyCutoff(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cutoff_limit(), req.mutable_model());</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordflow">if</span> (!used_cutoff) {</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> param_warnings.push_back(</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="stringliteral">"The cutoff_limit parameter not supported for quadratic objectives "</span></div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="stringliteral">"with CP-SAT."</span>);</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> }</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> }</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">if</span> (!param_warnings.empty()) {</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrJoin(param_warnings, <span class="stringliteral">"; "</span>));</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> }</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> }</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> </div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="keywordflow">if</span> (!model_parameters.solution_hints().empty()) {</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="keywordtype">int</span> i = 0;</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, val] :</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(model_parameters.solution_hints(0).variable_values())) {</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> <span class="keywordflow">while</span> (variable_ids_[i] < <span class="keywordtype">id</span>) {</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> ++i;</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> }</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> req.mutable_model()->mutable_solution_hint()->add_var_index(i);</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> req.mutable_model()->mutable_solution_hint()->add_var_value(val);</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> }</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> }</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="comment">// We need to chain the user interrupter through a local interrupter, because</span></div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="comment">// if we termiante early from a callback request, we don't want to incorrectly</span></div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="comment">// modify the input state.</span></div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">SolveInterrupter</a> local_interrupter;</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> std::atomic<bool> interrupt_solve = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> local_interrupter.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#a911dee5bfdb399422eb33d0486ed0934">AddInterruptionCallback</a>([&]() { interrupt_solve = <span class="keyword">true</span>; });</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> </div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="comment">// Setup a callback on the user provided so that we interrupt the solver.</span></div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_scoped_solve_interrupter_callback.html">ScopedSolveInterrupterCallback</a> scoped_interrupt_cb(</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> interrupter, [&]() { local_interrupter.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#ac1c30a63fcff78de5e4924f7ee2b822e">Interrupt</a>(); });</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> </div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> std::function<void(<span class="keyword">const</span> std::string&)> logging_callback;</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordflow">if</span> (message_cb != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> logging_callback = [&](<span class="keyword">const</span> std::string& <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>) {</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> message_cb(absl::StrSplit(<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>, <span class="charliteral">'\n'</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> </div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keyword">const</span> absl::flat_hash_set<CallbackEventProto> events =</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#af457f60ebac293554106c3ee3898607e">EventSet</a>(callback_registration);</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> std::function<void(<span class="keyword">const</span> MPSolution&)> solution_callback;</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> absl::Status callback_error = absl::OkStatus();</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="keywordflow">if</span> (events.contains(CALLBACK_EVENT_MIP_SOLUTION)) {</div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> solution_callback = [<span class="keyword">this</span>, &cb, &callback_error, &local_interrupter,</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> &model_parameters](<span class="keyword">const</span> MPSolution& mp_solution) {</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="keywordflow">if</span> (!callback_error.ok()) {</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="comment">// A previous callback failed.</span></div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> }</div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> CallbackDataProto cb_data;</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> cb_data.set_event(CALLBACK_EVENT_MIP_SOLUTION);</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> *cb_data.mutable_primal_solution_vector() =</div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> ExtractSolution(mp_solution.variable_value(), model_parameters);</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keyword">const</span> absl::StatusOr<CallbackResultProto> cb_result = cb(cb_data);</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">if</span> (!cb_result.ok()) {</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> callback_error = cb_result.status();</div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="comment">// Note: we will be returning a status error, we do not need to worry</span></div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="comment">// about interpreting this as TERMINATION_REASON_INTERRUPTED.</span></div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> local_interrupter.Interrupt();</div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cb_result->terminate()) {</div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> local_interrupter.Interrupt();</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">// Note cb_result.cuts and cb_result.suggested solutions are not</span></div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="comment">// supported by CP-SAT and we have validated they are empty.</span></div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> };</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">// CP-SAT returns "infeasible" for inverted bounds.</span></div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ListInvertedBounds().ToStatus());</div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> </div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> MPSolutionResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>,</div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <a class="code hl_function" href="namespaceoperations__research.html#a8cdeb416ed4961c462ac33d4fe5c6f67">SatSolveProto</a>(std::move(req), &interrupt_solve,</div>
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<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> logging_callback, solution_callback));</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="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(callback_error) << <span class="stringliteral">"error in callback"</span>;</div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> (<span class="keyword">auto</span> [solve_stats, termination]),</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> GetTerminationAndStats(local_interrupter.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#a31cbaf141396f29d05b73b5350b29ed1">IsInterrupted</a>(),</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="comment">/*maximize=*/</span>cp_sat_model_.maximize(),</div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="comment">/*used_cutoff=*/</span>used_cutoff, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>));</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> *result.mutable_solve_stats() = std::move(solve_stats);</div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> *result.mutable_termination() = std::move(termination);</div>
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<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() == MPSOLVER_OPTIMAL ||</div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() == MPSOLVER_FEASIBLE) {</div>
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> PrimalSolutionProto& solution =</div>
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<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> *result.add_solutions()->mutable_primal_solution();</div>
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<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> *solution.mutable_variable_values() =</div>
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<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> ExtractSolution(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.variable_value(), model_parameters);</div>
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<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> solution.set_objective_value(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.objective_value());</div>
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<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> solution.set_feasibility_status(SOLUTION_STATUS_FEASIBLE);</div>
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<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> }</div>
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<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> </div>
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<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a>(</div>
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<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> absl::Now() - <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, result.mutable_solve_stats()->mutable_solve_time()));</div>
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<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> </div>
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<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span>}</div>
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<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> </div>
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<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a1dcbb1374e91747a2db097361b091c8b"> 477</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a1dcbb1374e91747a2db097361b091c8b">CpSatSolver::CanUpdate</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
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<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span>}</div>
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<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> </div>
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<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a4dc835d3171da48778de1bbea39f8448"> 481</a></span>absl::Status <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a4dc835d3171da48778de1bbea39f8448">CpSatSolver::Update</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
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<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="comment">// This function should never be called since CanUpdate() always returns</span></div>
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<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="comment">// false.</span></div>
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<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keywordflow">return</span> absl::InternalError(<span class="stringliteral">"CP-SAT solver does not support incrementalism"</span>);</div>
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<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span>}</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>CpSatSolver::CpSatSolver(MPModelProto cp_sat_model,</div>
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<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> std::vector<int64_t> <a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>,</div>
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<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> std::vector<int64_t> linear_constraint_ids)</div>
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<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> : cp_sat_model_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(cp_sat_model)),</div>
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<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> variable_ids_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(<a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>)),</div>
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<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> linear_constraint_ids_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(linear_constraint_ids)) {}</div>
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<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> </div>
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<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span>SparseDoubleVectorProto CpSatSolver::ExtractSolution(</div>
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<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="keyword">const</span> absl::Span<const double> cp_sat_variable_values,</div>
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<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="comment">// Pre-condition: we assume one-to-one correspondence of input variables to</span></div>
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<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="comment">// solution's variables.</span></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="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(cp_sat_variable_values.size(), variable_ids_.size());</div>
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<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> </div>
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<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> SparseVectorFilterPredicate predicate(</div>
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<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> model_parameters.variable_values_filter());</div>
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<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> SparseDoubleVectorProto result;</div>
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<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < variable_ids_.size(); ++i) {</div>
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<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="keyword">const</span> int64_t <span class="keywordtype">id</span> = variable_ids_[i];</div>
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<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = cp_sat_variable_values[i];</div>
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<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> result.add_ids(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> result.add_values(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> }</div>
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<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> }</div>
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<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span>}</div>
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<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> </div>
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<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span>InvertedBounds CpSatSolver::ListInvertedBounds()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> InvertedBounds inverted_bounds;</div>
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<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < cp_sat_model_.variable_size(); ++v) {</div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="keyword">const</span> MPVariableProto& <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = cp_sat_model_.variable(v);</div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.lower_bound() > <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.upper_bound()) {</div>
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> inverted_bounds.variables.push_back(variable_ids_[v]);</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> }</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> c = 0; c < cp_sat_model_.constraint_size(); ++c) {</div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <span class="keyword">const</span> MPConstraintProto& cstr = cp_sat_model_.constraint(c);</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="keywordflow">if</span> (cstr.lower_bound() > cstr.upper_bound()) {</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> inverted_bounds.linear_constraints.push_back(linear_constraint_ids_[c]);</div>
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<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> }</div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> }</div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> </div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="keywordflow">return</span> inverted_bounds;</div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span>}</div>
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<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> </div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83"> 533</a></span><a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83">MATH_OPT_REGISTER_SOLVER</a>(SOLVER_TYPE_CP_SAT, <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a61ac0bc6afed786de631c4a91faeb866">CpSatSolver::New</a>);</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>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="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#l00703">base/logging.h:703</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a9f96ed9f06763f0821fdbb4d29031d8d"><div class="ttname"><a href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a></div><div class="ttdeci">#define CHECK_OK(x)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00044">base/logging.h:44</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html"><div class="ttname"><a href="base_2status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_a600de4b8f65fe0a4b1898041634f9011"><div class="ttname"><a href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a></div><div class="ttdeci">#define ASSIGN_OR_RETURN(lhs, rexpr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00046">base/status_macros.h:46</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00027">base/status_macros.h:27</a></div></div>
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<div class="ttc" id="acallback__validator_8h_html"><div class="ttname"><a href="callback__validator_8h.html">callback_validator.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_cp_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html">operations_research::math_opt::CpSatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__sat__solver_8h_source.html#l00041">cp_sat_solver.h:41</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_cp_sat_solver_html_a1dcbb1374e91747a2db097361b091c8b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a1dcbb1374e91747a2db097361b091c8b">operations_research::math_opt::CpSatSolver::CanUpdate</a></div><div class="ttdeci">bool CanUpdate(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="cp__sat__solver_8cc_source.html#l00477">cp_sat_solver.cc:477</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_cp_sat_solver_html_a4dc835d3171da48778de1bbea39f8448"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a4dc835d3171da48778de1bbea39f8448">operations_research::math_opt::CpSatSolver::Update</a></div><div class="ttdeci">absl::Status Update(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="cp__sat__solver_8cc_source.html#l00481">cp_sat_solver.cc:481</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_cp_sat_solver_html_a61ac0bc6afed786de631c4a91faeb866"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a61ac0bc6afed786de631c4a91faeb866">operations_research::math_opt::CpSatSolver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< SolverInterface > > New(const ModelProto &model, const InitArgs &init_args)</div><div class="ttdef"><b>Definition:</b> <a href="cp__sat__solver_8cc_source.html#l00324">cp_sat_solver.cc:324</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_cp_sat_solver_html_a7875bc8ab28e1cf6cefc688d7b70ac7e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a7875bc8ab28e1cf6cefc688d7b70ac7e">operations_research::math_opt::CpSatSolver::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResultProto > Solve(const SolveParametersProto &parameters, const ModelSolveParametersProto &model_parameters, MessageCallback message_cb, const CallbackRegistrationProto &callback_registration, Callback cb, SolveInterrupter *interrupter) override</div><div class="ttdef"><b>Definition:</b> <a href="cp__sat__solver_8cc_source.html#l00344">cp_sat_solver.cc:344</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_scoped_solve_interrupter_callback_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_scoped_solve_interrupter_callback.html">operations_research::math_opt::ScopedSolveInterrupterCallback</a></div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8h_source.html#l00117">solve_interrupter.h:117</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">operations_research::math_opt::SolveInterrupter</a></div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8h_source.html#l00039">solve_interrupter.h:39</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html_a31cbaf141396f29d05b73b5350b29ed1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#a31cbaf141396f29d05b73b5350b29ed1">operations_research::math_opt::SolveInterrupter::IsInterrupted</a></div><div class="ttdeci">bool IsInterrupted() const</div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8h_source.html#l00063">solve_interrupter.h:63</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html_a911dee5bfdb399422eb33d0486ed0934"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#a911dee5bfdb399422eb33d0486ed0934">operations_research::math_opt::SolveInterrupter::AddInterruptionCallback</a></div><div class="ttdeci">CallbackId AddInterruptionCallback(Callback callback)</div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8cc_source.html#l00055">solve_interrupter.cc:55</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html_ac1c30a63fcff78de5e4924f7ee2b822e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#ac1c30a63fcff78de5e4924f7ee2b822e">operations_research::math_opt::SolveInterrupter::Interrupt</a></div><div class="ttdeci">void Interrupt()</div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8cc_source.html#l00030">solve_interrupter.cc:30</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html_aad3360b1947c772bebf3d3cfb2105a15"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html#aad3360b1947c772bebf3d3cfb2105a15">operations_research::math_opt::SolverInterface::MessageCallback</a></div><div class="ttdeci">std::function< void(const std::vector< std::string > &)> MessageCallback</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00075">solver_interface.h:75</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ab47a61ca53ae9cdf35dd4f2dfc9ecadb"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">operations_research::math_opt::SolverInterface::Callback</a></div><div class="ttdeci">std::function< absl::StatusOr< CallbackResultProto >(const CallbackDataProto &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00083">solver_interface.h:84</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#l00119">cp_model_fz_solver.cc:119</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#l02052">cp_model_solver.cc:2052</a></div></div>
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<div class="ttc" id="acp__sat__solver_8h_html"><div class="ttname"><a href="cp__sat__solver_8h.html">cp_sat_solver.h</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a461bf2761c1dc652a0671e5e135b763a"><div class="ttname"><a href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a></div><div class="ttdeci">absl::Span< const int64_t > variable_ids</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00139">gscip_solver.cc:139</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00274">gurobi_interface.cc:274</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="amath__opt__proto__utils_8h_html"><div class="ttname"><a href="math__opt__proto__utils_8h.html">math_opt_proto_utils.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html">operations_research::math_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="arrow__operator__proxy_8h_source.html#l00020">arrow_operator_proxy.h:20</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a0c2a048ffad95d109485f661fcba75d2"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a0c2a048ffad95d109485f661fcba75d2">operations_research::math_opt::FeasibleTermination</a></div><div class="ttdeci">TerminationProto FeasibleTermination(const LimitProto limit, const absl::string_view detail)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00094">math_opt_proto_utils.cc:94</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a0d2106bc8a55ecfe52d502eee346b62a"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a0d2106bc8a55ecfe52d502eee346b62a">operations_research::math_opt::CheckRegisteredCallbackEvents</a></div><div class="ttdeci">absl::Status CheckRegisteredCallbackEvents(const CallbackRegistrationProto &registration, const absl::flat_hash_set< CallbackEventProto > &supported_events)</div><div class="ttdef"><b>Definition:</b> <a href="callback__validator_8cc_source.html#l00299">callback_validator.cc:299</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a174eb56fe2f478a51da5bad317555b83"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83">operations_research::math_opt::MATH_OPT_REGISTER_SOLVER</a></div><div class="ttdeci">MATH_OPT_REGISTER_SOLVER(SOLVER_TYPE_CP_SAT, CpSatSolver::New)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a5d8c9048c51c1bc6685751a7cb8514fe"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a5d8c9048c51c1bc6685751a7cb8514fe">operations_research::math_opt::MathOptModelToMPModelProto</a></div><div class="ttdeci">absl::StatusOr<::operations_research::MPModelProto > MathOptModelToMPModelProto(const ::operations_research::math_opt::ModelProto &model)</div><div class="ttdef"><b>Definition:</b> <a href="proto__converter_8cc_source.html#l00206">proto_converter.cc:206</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a80e158d48db32a3bbbe915179b36e405"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">operations_research::math_opt::MakeView</a></div><div class="ttdeci">SparseVectorView< T > MakeView(absl::Span< const int64_t > ids, const Collection &values)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00144">sparse_vector_view.h:144</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a83a0991912b16a906577438e2e3479c6"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a83a0991912b16a906577438e2e3479c6">operations_research::math_opt::NoSolutionFoundTermination</a></div><div class="ttdeci">TerminationProto NoSolutionFoundTermination(const LimitProto limit, const absl::string_view detail)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00099">math_opt_proto_utils.cc:99</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_aaaafdf52dd4d552e04d416daeadbd81f"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">operations_research::math_opt::TerminateForReason</a></div><div class="ttdeci">TerminationProto TerminateForReason(const TerminationReasonProto reason, const absl::string_view detail)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00104">math_opt_proto_utils.cc:104</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad9f50c9313b35cc1e8887057dc4d9645"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">operations_research::math_opt::kInf</a></div><div class="ttdeci">constexpr double kInf</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8cc_source.html#l00029">variable_and_expressions.cc:29</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_af457f60ebac293554106c3ee3898607e"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#af457f60ebac293554106c3ee3898607e">operations_research::math_opt::EventSet</a></div><div class="ttdeci">absl::flat_hash_set< CallbackEventProto > EventSet(const CallbackRegistrationProto &callback_registration)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00067">math_opt_proto_utils.cc:67</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_a760c8bbae2698a370004ceaaba9d9920"><div class="ttname"><a href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">operations_research::ProtoEnumToString</a></div><div class="ttdeci">std::string ProtoEnumToString(ProtoEnumType enum_value)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00047">port/proto_utils.h:47</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a8cdeb416ed4961c462ac33d4fe5c6f67"><div class="ttname"><a href="namespaceoperations__research.html#a8cdeb416ed4961c462ac33d4fe5c6f67">operations_research::SatSolveProto</a></div><div class="ttdeci">absl::StatusOr< MPSolutionResponse > SatSolveProto(MPModelRequest request, std::atomic< bool > *interrupt_solve, std::function< void(const std::string &)> logging_callback, std::function< void(const MPSolution &)> solution_callback)</div><div class="ttdef"><b>Definition:</b> <a href="sat__proto__solver_8cc_source.html#l00111">sat_proto_solver.cc:111</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aa36d0369726118d22cf2fa47aa739f4d"><div class="ttname"><a href="namespaceoperations__research.html#aa36d0369726118d22cf2fa47aa739f4d">operations_research::EncodeSatParametersAsString</a></div><div class="ttdeci">std::string EncodeSatParametersAsString(const sat::SatParameters &parameters)</div><div class="ttdef"><b>Definition:</b> <a href="sat__proto__solver_8cc_source.html#l00353">sat_proto_solver.cc:353</a></div></div>
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<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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<div class="ttc" id="anamespaceutil__time_html_a801584734c5b3898f94cf932202b2eb7"><div class="ttname"><a href="namespaceutil__time.html#a801584734c5b3898f94cf932202b2eb7">util_time::DecodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< absl::Duration > DecodeGoogleApiProto(const google::protobuf::Duration &proto)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00042">protoutil.h:42</a></div></div>
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<div class="ttc" id="anamespaceutil__time_html_a9b705fc0063004954faa62e54450d4fc"><div class="ttname"><a href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< google::protobuf::Duration > EncodeGoogleApiProto(absl::Duration d)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00027">protoutil.h:27</a></div></div>
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<div class="ttc" id="aport_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
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<div class="ttc" id="aproto__converter_8h_html"><div class="ttname"><a href="proto__converter_8h.html">proto_converter.h</a></div></div>
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<div class="ttc" id="aprotoutil_8h_html"><div class="ttname"><a href="protoutil_8h.html">protoutil.h</a></div></div>
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<div class="ttc" id="asat__proto__solver_8h_html"><div class="ttname"><a href="sat__proto__solver_8h.html">sat_proto_solver.h</a></div></div>
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<div class="ttc" id="asolve__interrupter_8h_html"><div class="ttname"><a href="solve__interrupter_8h.html">solve_interrupter.h</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html"><div class="ttname"><a href="solver__interface_8h.html">solver_interface.h</a></div></div>
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<div class="ttc" id="asparse__submatrix_8cc_html_a9b7656b922ea4ec96097d7380c0e61fe"><div class="ttname"><a href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a></div><div class="ttdeci">int64_t start</div><div class="ttdef"><b>Definition:</b> <a href="sparse__submatrix_8cc_source.html#l00035">sparse_submatrix.cc:35</a></div></div>
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<div class="ttc" id="asparse__vector__view_8h_html"><div class="ttname"><a href="sparse__vector__view_8h.html">sparse_vector_view.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args.html">operations_research::math_opt::SolverInterface::InitArgs</a></div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00062">solver_interface.h:62</a></div></div>
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<div class="ttc" id="atrace_8cc_html_a36bd74109f547f7f8198faf5a12d2879"><div class="ttname"><a href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a></div><div class="ttdeci">std::string message</div><div class="ttdef"><b>Definition:</b> <a href="trace_8cc_source.html#l00398">trace.cc:398</a></div></div>
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