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294 lines
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<div class="headertitle"><div class="title">callback.cc</div></div>
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<a href="callback_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="callback_8h.html">ortools/math_opt/cpp/callback.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 <algorithm></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <optional></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</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="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/time/time.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 "<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "ortools/math_opt/callback.pb.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 "<a class="code" href="indexed__model_8h.html">ortools/math_opt/core/indexed_model.h</a>"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="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="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="key__types_8h.html">ortools/math_opt/cpp/key_types.h</a>"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="map__filter_8h.html">ortools/math_opt/cpp/map_filter.h</a>"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="variable__and__expressions_8h.html">ortools/math_opt/cpp/variable_and_expressions.h</a>"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "ortools/math_opt/solution.pb.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 "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "absl/status/status.h"</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="protoutil_8h.html">ortools/base/protoutil.h</a>"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</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="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="keyword">namespace </span>math_opt {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>std::vector<std::pair<VariableId, double>> SortedVariableValues(</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">const</span> VariableMap<double>& var_map) {</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> std::vector<std::pair<VariableId, double>> result(var_map.raw_map().begin(),</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> var_map.raw_map().end());</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> std::sort(result.begin(), result.end());</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>}</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment">// Container must be an iterable on some type T where</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment">// IndexedModel* T::model() const</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment">// is defined.</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment">//</span></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment">// CHECKs that the non-null models the same, and returns the unique non-null</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="comment">// model if it exists, otherwise null.</span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keyword">template</span> <<span class="keyword">typename</span> Container></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>IndexedModel* <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#aca28ca6116f348ffdeb5c4b3b39f2874">ConsistentModel</a>(<span class="keyword">const</span> Container& model_items,</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> IndexedModel* <span class="keyword">const</span> init_model = <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> IndexedModel* result = init_model;</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& item : model_items) {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> IndexedModel* <span class="keyword">const</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a> = item.model();</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a> != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">if</span> (result == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> result = <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="keywordflow">else</span> {</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, result) << <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">internal::kObjectsFromOtherIndexedModel</a>;</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</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="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>}</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="structoperations__research_1_1math__opt_1_1_callback_data.html#a0f8c87ee00d4d020f32e18445554b728"> 76</a></span><a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_callback_data.html#aaf8768ad7f47b90562a96b2b0a6c5162">CallbackData::CallbackData</a>(<a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> CallbackDataProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>)</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> : event(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.event()),</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> messages(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.messages().begin(), <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.messages().end()),</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> presolve_stats(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.presolve_stats()),</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> simplex_stats(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.simplex_stats()),</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> barrier_stats(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.barrier_stats()),</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> mip_stats(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.mip_stats()) {</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="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.has_primal_solution()) {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_data.html#a7cc4865303820dac5bb07154f72c2365">solution</a> = <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_id_map.html">VariableMap<double></a>(</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.primal_solution().variable_values())</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> .as_map<VariableId>());</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">auto</span> maybe_time = <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#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.runtime());</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(maybe_time.status());</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_data.html#a32e54c85f3390e20ab42c14f8e153581">runtime</a> = *maybe_time;</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"><a class="line" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a64203ba9d12b2e9827e18cf8e8c30ab2"> 93</a></span><a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a64203ba9d12b2e9827e18cf8e8c30ab2">CallbackRegistration::model</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#aca28ca6116f348ffdeb5c4b3b39f2874">internal::ConsistentModel</a>(</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> {<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#aa9894fa600000048052e68fc1bd7abab">mip_node_filter</a>.model(), <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a5c3733be3e96b79b2474ace714e498c8">mip_solution_filter</a>.model()});</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span>}</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"><a class="line" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a0c87a70760f8ded4a81f33893f2a5605"> 98</a></span>CallbackRegistrationProto <a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a0c87a70760f8ded4a81f33893f2a5605">CallbackRegistration::Proto</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// Ensure that the underlying IndexedModel is consistent (or CHECK fail).</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>();</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> CallbackRegistrationProto result;</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> CallbackEventProto event : <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a704cfc9f1e9d0d79e8729114f9e13e1b">events</a>) {</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> result.add_request_registration(event);</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> std::sort(result.mutable_request_registration()->begin(),</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> result.mutable_request_registration()->end());</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> *result.mutable_mip_solution_filter() = <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a5c3733be3e96b79b2474ace714e498c8">mip_solution_filter</a>.Proto();</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> *result.mutable_mip_node_filter() = <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#aa9894fa600000048052e68fc1bd7abab">mip_node_filter</a>.Proto();</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> result.set_add_lazy_constraints(<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a922db711f1c18d9e29f2e85c2fe23541">add_lazy_constraints</a>);</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> result.set_add_cuts(<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a30ba937e73ce5c1b77fdced5e6adafdd">add_cuts</a>);</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span>}</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a64203ba9d12b2e9827e18cf8e8c30ab2"> 115</a></span><a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a64203ba9d12b2e9827e18cf8e8c30ab2">CallbackResult::model</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* result = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#aca28ca6116f348ffdeb5c4b3b39f2874">ConsistentModel</a>(<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_result.html#afc2dc2d61e49bb4d674aa79f76c8e143">new_constraints</a>);</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#aca28ca6116f348ffdeb5c4b3b39f2874">ConsistentModel</a>(<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a81066f9b4707ddcb2f5b5eb5ce216153">suggested_solutions</a>, result);</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>}</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"><a class="line" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a945924a45caa0d8fb76132e005a89a91"> 120</a></span>CallbackResultProto <a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a945924a45caa0d8fb76132e005a89a91">CallbackResult::Proto</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// Ensure that the underlying IndexedModel is consistent (or CHECK fail).</span></div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>();</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> CallbackResultProto result;</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> result.set_terminate(<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a74995b2493f23c9103413e37da5cdc38">terminate</a>);</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_id_map.html">VariableMap<double></a>& solution : <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a81066f9b4707ddcb2f5b5eb5ce216153">suggested_solutions</a>) {</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> PrimalSolutionProto* solution_proto = result.add_suggested_solution();</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [typed_id, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : SortedVariableValues(solution)) {</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> solution_proto->mutable_variable_values()->add_ids(typed_id.value());</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> solution_proto->mutable_variable_values()->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="l00131" name="l00131"></a><span class="lineno"> 131</span> }</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_callback_result_1_1_generated_linear_constraint.html">GeneratedLinearConstraint</a>& constraint : <a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_callback_result.html#afc2dc2d61e49bb4d674aa79f76c8e143">new_constraints</a>) {</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> CallbackResultProto::GeneratedLinearConstraint* constraint_proto =</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> result.add_cuts();</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> constraint_proto->set_is_lazy(constraint.is_lazy);</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> constraint_proto->set_lower_bound(</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> constraint.linear_constraint.lower_bound_minus_offset());</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> constraint_proto->set_upper_bound(</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> constraint.linear_constraint.upper_bound_minus_offset());</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [typed_id, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : SortedVariableValues(</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> constraint.linear_constraint.expression.terms())) {</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> constraint_proto->mutable_linear_expression()->add_ids(typed_id.value());</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> constraint_proto->mutable_linear_expression()->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="l00145" name="l00145"></a><span class="lineno"> 145</span> }</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> }</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</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#l00698">base/logging.h:698</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#l00042">base/logging.h:42</a></div></div>
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<div class="ttc" id="acallback_8h_html"><div class="ttname"><a href="callback_8h.html">callback.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_id_map_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_id_map.html">operations_research::math_opt::IdMap</a></div><div class="ttdef"><b>Definition:</b> <a href="id__map_8h_source.html#l00054">id_map.h:54</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_indexed_model_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html">operations_research::math_opt::IndexedModel</a></div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00161">indexed_model.h:161</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00115">cp_model_fz_solver.cc:115</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="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="aindexed__model_8h_html"><div class="ttname"><a href="indexed__model_8h.html">indexed_model.h</a></div></div>
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<div class="ttc" id="aint__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
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<div class="ttc" id="akey__types_8h_html"><div class="ttname"><a href="key__types_8h.html">key_types.h</a></div></div>
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<div class="ttc" id="amap__filter_8h_html"><div class="ttname"><a href="map__filter_8h.html">map_filter.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_a7ab03efcaffe1b5f4ba2b1b5d336f792"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">operations_research::math_opt::internal::kObjectsFromOtherIndexedModel</a></div><div class="ttdeci">constexpr absl::string_view kObjectsFromOtherIndexedModel</div><div class="ttdef"><b>Definition:</b> <a href="key__types_8h_source.html#l00056">key_types.h:56</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_aca28ca6116f348ffdeb5c4b3b39f2874"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#aca28ca6116f348ffdeb5c4b3b39f2874">operations_research::math_opt::internal::ConsistentModel</a></div><div class="ttdeci">IndexedModel * ConsistentModel(std::initializer_list< IndexedModel * > models)</div><div class="ttdef"><b>Definition:</b> <a href="key__types_8h_source.html#l00061">key_types.h:61</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#l00140">sparse_vector_view.h:140</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="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="aprotoutil_8h_html"><div class="ttname"><a href="protoutil_8h.html">protoutil.h</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_callback_data_html_a32e54c85f3390e20ab42c14f8e153581"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_data.html#a32e54c85f3390e20ab42c14f8e153581">operations_research::math_opt::CallbackData::runtime</a></div><div class="ttdeci">absl::Duration runtime</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00110">callback.h:110</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_data_html_a7cc4865303820dac5bb07154f72c2365"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_data.html#a7cc4865303820dac5bb07154f72c2365">operations_research::math_opt::CallbackData::solution</a></div><div class="ttdeci">absl::optional< VariableMap< double > > solution</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00100">callback.h:100</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_data_html_aaf8768ad7f47b90562a96b2b0a6c5162"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_data.html#aaf8768ad7f47b90562a96b2b0a6c5162">operations_research::math_opt::CallbackData::CallbackData</a></div><div class="ttdeci">CallbackData()=default</div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a0c87a70760f8ded4a81f33893f2a5605"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a0c87a70760f8ded4a81f33893f2a5605">operations_research::math_opt::CallbackRegistration::Proto</a></div><div class="ttdeci">CallbackRegistrationProto Proto() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00098">callback.cc:98</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a30ba937e73ce5c1b77fdced5e6adafdd"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a30ba937e73ce5c1b77fdced5e6adafdd">operations_research::math_opt::CallbackRegistration::add_cuts</a></div><div class="ttdeci">bool add_cuts</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00151">callback.h:151</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a5c3733be3e96b79b2474ace714e498c8"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a5c3733be3e96b79b2474ace714e498c8">operations_research::math_opt::CallbackRegistration::mip_solution_filter</a></div><div class="ttdeci">MapFilter< Variable > mip_solution_filter</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00142">callback.h:142</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::CallbackRegistration::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00093">callback.cc:93</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a704cfc9f1e9d0d79e8729114f9e13e1b"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a704cfc9f1e9d0d79e8729114f9e13e1b">operations_research::math_opt::CallbackRegistration::events</a></div><div class="ttdeci">absl::flat_hash_set< CallbackEventProto > events</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00138">callback.h:138</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a922db711f1c18d9e29f2e85c2fe23541"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a922db711f1c18d9e29f2e85c2fe23541">operations_research::math_opt::CallbackRegistration::add_lazy_constraints</a></div><div class="ttdeci">bool add_lazy_constraints</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00156">callback.h:156</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_aa9894fa600000048052e68fc1bd7abab"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#aa9894fa600000048052e68fc1bd7abab">operations_research::math_opt::CallbackRegistration::mip_node_filter</a></div><div class="ttdeci">MapFilter< Variable > mip_node_filter</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00146">callback.h:146</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_1_1_generated_linear_constraint_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result_1_1_generated_linear_constraint.html">operations_research::math_opt::CallbackResult::GeneratedLinearConstraint</a></div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00163">callback.h:163</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::CallbackResult::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00115">callback.cc:115</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html_a74995b2493f23c9103413e37da5cdc38"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html#a74995b2493f23c9103413e37da5cdc38">operations_research::math_opt::CallbackResult::terminate</a></div><div class="ttdeci">bool terminate</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00193">callback.h:193</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html_a81066f9b4707ddcb2f5b5eb5ce216153"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html#a81066f9b4707ddcb2f5b5eb5ce216153">operations_research::math_opt::CallbackResult::suggested_solutions</a></div><div class="ttdeci">std::vector< VariableMap< double > > suggested_solutions</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00200">callback.h:200</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html_a945924a45caa0d8fb76132e005a89a91"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html#a945924a45caa0d8fb76132e005a89a91">operations_research::math_opt::CallbackResult::Proto</a></div><div class="ttdeci">CallbackResultProto Proto() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00120">callback.cc:120</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html_afc2dc2d61e49bb4d674aa79f76c8e143"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html#afc2dc2d61e49bb4d674aa79f76c8e143">operations_research::math_opt::CallbackResult::new_constraints</a></div><div class="ttdeci">std::vector< GeneratedLinearConstraint > new_constraints</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00197">callback.h:197</a></div></div>
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<div class="ttc" id="avariable__and__expressions_8h_html"><div class="ttname"><a href="variable__and__expressions_8h.html">variable_and_expressions.h</a></div></div>
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