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<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 name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#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 name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <utility></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "absl/strings/str_join.h"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "absl/time/time.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="linear__solver_8pb_8h.html">ortools/linear_solver/linear_solver.pb.h</a>"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="sat__proto__solver_8h.html">ortools/linear_solver/sat_proto_solver.h</a>"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "ortools/math_opt/callback.pb.h"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="math__opt__proto__utils_8h.html">ortools/math_opt/math_opt_proto_utils.h</a>"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "ortools/math_opt/model.pb.h"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "ortools/math_opt/model_parameters.pb.h"</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "ortools/math_opt/parameters.pb.h"</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="proto__converter_8h.html">ortools/math_opt/proto_converter.h</a>"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "ortools/math_opt/result.pb.h"</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "ortools/math_opt/solution.pb.h"</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "<a class="code" href="solver__interface_8h.html">ortools/math_opt/solver_interface.h</a>"</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</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 name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "<a class="code" href="sat__parameters_8pb_8h.html">ortools/sat/sat_parameters.pb.h</a>"</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</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 name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span>math_opt {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> constexpr <span class="keywordtype">double</span> <a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> = std::numeric_limits<double>::infinity();</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">void</span> SetTrivialBounds(<span class="keyword">const</span> <span class="keywordtype">bool</span> maximize, SolveStatsProto& stats) {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  stats.set_best_primal_bound(maximize ? -<a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> : <a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  stats.set_best_dual_bound(maximize ? <a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> : -<a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>);</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// Returns a list of warnings from parameter settings that were</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// invalid/unsupported (specific to CP-SAT), one element per bad parameter.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> std::vector<std::string> SetSolveParameters(</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> SolveParametersProto& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, MPModelRequest& request) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  std::vector<std::string> warnings;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">const</span> CommonSolveParametersProto& common_parameters =</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.common_parameters();</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (common_parameters.has_time_limit()) {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  request.set_solver_time_limit_seconds(absl::ToDoubleSeconds(</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="namespaceutil__time.html#a7c8c9c3cc5c68f173f38b0237da3abc9">util_time::DecodeGoogleApiProto</a>(common_parameters.time_limit())</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  .value()));</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (common_parameters.has_enable_output()) {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  request.set_enable_internal_solver_output(</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  common_parameters.enable_output());</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Build CP SAT parameters by first initializing them from the common</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// parameters, and then using the values in `solver_specific_parameters` to</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// overwrite them if necessary.</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// We don't need to set max_time_in_seconds since we already pass it in the</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// `request.solver_time_limit_seconds`. The logic of `SatSolveProto()` will</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// apply the logic we want here.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  sat::SatParameters sat_parameters;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (common_parameters.has_random_seed()) {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  sat_parameters.set_random_seed(common_parameters.random_seed());</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (common_parameters.has_threads()) {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  sat_parameters.set_num_search_workers(common_parameters.threads());</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (common_parameters.lp_algorithm() != LP_ALGORITHM_UNSPECIFIED) {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  warnings.push_back(</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  absl::StrCat(<span class="stringliteral">"Setting the LP Algorithm (was set to "</span>,</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.lp_algorithm()),</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="stringliteral">") is not supported for CP_SAT solver"</span>));</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (common_parameters.presolve() != EMPHASIS_UNSPECIFIED) {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">switch</span> (common_parameters.presolve()) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  sat_parameters.set_cp_model_presolve(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  sat_parameters.set_cp_model_presolve(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Presolve emphasis: "</span></div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  << <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.presolve())</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  << <span class="stringliteral">" unknown, error setting CP-SAT parameters"</span>;</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (common_parameters.scaling() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  warnings.push_back(</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  absl::StrCat(<span class="stringliteral">"Setting the scaling (was set to "</span>,</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.scaling()),</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="stringliteral">") is not supported for CP_SAT solver"</span>));</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (common_parameters.cuts() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">switch</span> (common_parameters.cuts()) {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// This is not very maintainable, but CP-SAT doesn't expose the</span></div>
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|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// parameters we need.</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  sat_parameters.set_add_cg_cuts(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  sat_parameters.set_add_mir_cuts(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  sat_parameters.set_add_zero_half_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  sat_parameters.set_add_clique_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  sat_parameters.set_max_all_diff_cut_size(0);</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  sat_parameters.set_add_lin_max_cuts(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Cut emphasis: "</span></div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  << <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.cuts())</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  << <span class="stringliteral">" unknown, error setting CP-SAT parameters"</span>;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (common_parameters.heuristics() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  warnings.push_back(</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  absl::StrCat(<span class="stringliteral">"Setting the heuristics (was set to "</span>,</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.heuristics()),</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="stringliteral">") is not supported for CP_SAT solver"</span>));</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  sat_parameters.MergeFrom(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cp_sat_parameters());</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  request.set_solver_specific_parameters(</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="namespaceoperations__research.html#aa36d0369726118d22cf2fa47aa739f4d">EncodeSatParametersAsString</a>(sat_parameters));</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> warnings;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a960ff60625af78759f2f21115cab7ae1"> 158</a></span> absl::StatusOr<std::unique_ptr<SolverInterface>> <a class="code" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a960ff60625af78759f2f21115cab7ae1">CpSatSolver::New</a>(</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> ModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> SolverInitializerProto& initializer) {</div>
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|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(MPModelProto cp_sat_model,</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="namespaceoperations__research_1_1math__opt.html#a349e18a8b5a1bfd4c97f9350851bd343">MathOptModelToMPModelProto</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>));</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  std::vector <a class="code" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variables().ids().begin(),</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variables().ids().end());</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// We must use WrapUnique here since the constructor is private.</span></div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> absl::WrapUnique(</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">new</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html">CpSatSolver</a>(std::move(cp_sat_model), std::move(<a class="code" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>)));</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a7d6731070fee00d91f229e0cff1cfa1b"> 169</a></span> absl::StatusOr<SolveResultProto> <a class="code" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a7d6731070fee00d91f229e0cff1cfa1b">CpSatSolver::Solve</a>(</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">const</span> SolveParametersProto& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> CallbackRegistrationProto& callback_registration, <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">Callback</a> cb) {</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  SolveResultProto result;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  MPModelRequest req;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Here we must make a copy since Solve() can be called multiple times with</span></div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// different parameters. Hence we can't move `cp_sat_model`.</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  *req.mutable_model() = cp_sat_model_;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  req.set_solver_type(MPModelRequest::SAT_INTEGER_PROGRAMMING);</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  std::vector<std::string> param_warnings =</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  SetSolveParameters(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, req);</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (!param_warnings.empty()) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.common_parameters().strictness().bad_parameter()) {</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrJoin(param_warnings, <span class="stringliteral">"; "</span>));</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">for</span> (std::string& warning : param_warnings) {</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  result.add_warnings(std::move(warning));</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// The `response` is not const to be able to move out the solution values.</span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> MPSolutionResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>,</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="namespaceoperations__research.html#ac8bc6bcb6a873f4651856494250c6fc5">SatSolveProto</a>(std::move(req)));</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
|
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">switch</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()) {</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1badbeb0b2ee95779317b20e5876609bf04">MPSOLVER_FEASIBLE</a>:</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1">MPSOLVER_OPTIMAL</a>: {</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  result.set_termination_reason(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() == <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1">MPSOLVER_OPTIMAL</a></div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  ? <a class="code" href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad">SolveResultProto::OPTIMAL</a></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  : SolveResultProto::OTHER_LIMIT);</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  result.set_termination_detail(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  result.mutable_solve_stats()->set_best_primal_bound(</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.objective_value());</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  result.mutable_solve_stats()->set_best_dual_bound(</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.best_objective_bound());</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  *result.add_primal_solutions() =</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  ExtractSolution(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, model_parameters);</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6">MPSOLVER_INFEASIBLE</a>:</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  result.set_termination_reason(<a class="code" href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483">SolveResultProto::INFEASIBLE</a>);</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  result.set_termination_detail(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
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|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  SetTrivialBounds(cp_sat_model_.maximize(), *result.mutable_solve_stats());</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">MPSOLVER_NOT_SOLVED</a>:</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  result.set_termination_reason(SolveResultProto::OTHER_LIMIT);</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  result.set_termination_detail(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str());</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  SetTrivialBounds(cp_sat_model_.maximize(), *result.mutable_solve_stats());</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba5d004f74784501a516258dff6b7740ec">MPSOLVER_MODEL_INVALID</a>:</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  absl::StrCat(<span class="stringliteral">"cp-sat solver returned MODEL_INVALID, details: "</span>,</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status_str()));</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  absl::StrCat(<span class="stringliteral">"unexpected solve status: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()));</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
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<div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a1dcbb1374e91747a2db097361b091c8b"> 234</a></span> <span class="keywordtype">bool</span> <a class="code" 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 name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
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<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a4dc835d3171da48778de1bbea39f8448"> 238</a></span> absl::Status <a class="code" 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 name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// This function should never be called since CanUpdate() always returns</span></div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// false.</span></div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</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 name="l00242"></a><span class="lineno"> 242</span> }</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  </div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> CpSatSolver::CpSatSolver(MPModelProto cp_sat_model,</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  std::vector<int64_t> <a class="code" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>)</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  : cp_sat_model_(std::move(cp_sat_model)),</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  variable_ids_(std::move(<a class="code" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>)) {}</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> PrimalSolutionProto CpSatSolver::ExtractSolution(</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">const</span> MPSolutionResponse& <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>,</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> ModelSolveParametersProto& model_parameters)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  PrimalSolutionProto solution;</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  solution.set_objective_value(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.objective_value());</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// Pre-condition: we assume one-to-one correspondence of input variables to</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// solution's variables.</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.variable_value_size(), variable_ids_.size());</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  </div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  SparseVectorFilterPredicate predicate(</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  model_parameters.primal_variables_filter());</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">auto</span>* <span class="keyword">const</span> values = solution.mutable_variable_values();</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</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 name="l00264"></a><span class="lineno"> 264</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 name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.variable_value(i);</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(<span class="keywordtype">id</span>, <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  values->add_ids(<span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  values->add_values(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">return</span> solution;</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> }</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
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<div class="line"><a name="l00275"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83"> 275</a></span> <a class="code" href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83">MATH_OPT_REGISTER_SOLVER</a>(SOLVER_TYPE_CP_SAT, <a class="code" href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a960ff60625af78759f2f21115cab7ae1">CpSatSolver::New</a>);</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> } <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</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#l00705">base/logging.h:705</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#l00423">base/logging.h:423</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#l00038">cp_sat_solver.h:38</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#l00234">cp_sat_solver.cc:234</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#l00238">cp_sat_solver.cc:238</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_cp_sat_solver_html_a7d6731070fee00d91f229e0cff1cfa1b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a7d6731070fee00d91f229e0cff1cfa1b">operations_research::math_opt::CpSatSolver::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResultProto > Solve(const SolveParametersProto &parameters, const ModelSolveParametersProto &model_parameters, const CallbackRegistrationProto &callback_registration, Callback cb) override</div><div class="ttdef"><b>Definition:</b> <a href="cp__sat__solver_8cc_source.html#l00169">cp_sat_solver.cc:169</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_cp_sat_solver_html_a960ff60625af78759f2f21115cab7ae1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_cp_sat_solver.html#a960ff60625af78759f2f21115cab7ae1">operations_research::math_opt::CpSatSolver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< SolverInterface > > New(const ModelProto &model, const SolverInitializerProto &initializer)</div><div class="ttdef"><b>Definition:</b> <a href="cp__sat__solver_8cc_source.html#l00158">cp_sat_solver.cc:158</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#l00054">solver_interface.h:55</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00108">cp_model_fz_solver.cc:108</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_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#l02154">cp_model_solver.cc:2154</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="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#l00128">gscip_solver.cc:128</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#l00273">gurobi_interface.cc:273</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="alinear__solver_8pb_8h_html"><div class="ttname"><a href="linear__solver_8pb_8h.html">linear_solver.pb.h</a></div></div>
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<div class="ttc" id="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_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad">operations_research::data::vbp::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="vector__bin__packing_8pb_8h_source.html#l00088">vector_bin_packing.pb.h:88</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483">operations_research::data::vbp::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="vector__bin__packing_8pb_8h_source.html#l00090">vector_bin_packing.pb.h:90</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_a349e18a8b5a1bfd4c97f9350851bd343"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a349e18a8b5a1bfd4c97f9350851bd343">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#l00176">proto_converter.cc:176</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="ids__validator_8cc_source.html#l00035">ids_validator.cc:35</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#l00046">port/proto_utils.h:46</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#l00241">sat_proto_solver.cc:241</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac8bc6bcb6a873f4651856494250c6fc5"><div class="ttname"><a href="namespaceoperations__research.html#ac8bc6bcb6a873f4651856494250c6fc5">operations_research::SatSolveProto</a></div><div class="ttdeci">absl::StatusOr< MPSolutionResponse > SatSolveProto(MPModelRequest request, std::atomic< bool > *interrupt_solve)</div><div class="ttdef"><b>Definition:</b> <a href="sat__proto__solver_8cc_source.html#l00068">sat_proto_solver.cc:68</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6">operations_research::MPSOLVER_INFEASIBLE</a></div><div class="ttdeci">@ MPSOLVER_INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00235">linear_solver.pb.h:235</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">operations_research::MPSOLVER_NOT_SOLVED</a></div><div class="ttdeci">@ MPSOLVER_NOT_SOLVED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00238">linear_solver.pb.h:238</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba5d004f74784501a516258dff6b7740ec"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba5d004f74784501a516258dff6b7740ec">operations_research::MPSOLVER_MODEL_INVALID</a></div><div class="ttdeci">@ MPSOLVER_MODEL_INVALID</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00241">linear_solver.pb.h:241</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1">operations_research::MPSOLVER_OPTIMAL</a></div><div class="ttdeci">@ MPSOLVER_OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00233">linear_solver.pb.h:233</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1badbeb0b2ee95779317b20e5876609bf04"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1badbeb0b2ee95779317b20e5876609bf04">operations_research::MPSOLVER_FEASIBLE</a></div><div class="ttdeci">@ MPSOLVER_FEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00234">linear_solver.pb.h:234</a></div></div>
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<div class="ttc" id="anamespaceutil__time_html_a7c8c9c3cc5c68f173f38b0237da3abc9"><div class="ttname"><a href="namespaceutil__time.html#a7c8c9c3cc5c68f173f38b0237da3abc9">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="asolver__interface_8h_html"><div class="ttname"><a href="solver__interface_8h.html">solver_interface.h</a></div></div>
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