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<a href="gurobi__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="gurobi__callback_8h.html">ortools/math_opt/solvers/gurobi_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 <cstdint></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <optional></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</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/container/flat_hash_set.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/status.h"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "absl/time/clock.h"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "absl/time/time.h"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "absl/types/span.h"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="linked__hash__map_8h.html">ortools/base/linked_hash_map.h</a>"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="protoutil_8h.html">ortools/base/protoutil.h</a>"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="base_2status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="environment_8h.html">ortools/gurobi/environment.h</a>"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "ortools/math_opt/callback.pb.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="math__opt__proto__utils_8h.html">ortools/math_opt/core/math_opt_proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="solve__interrupter_8h.html">ortools/math_opt/core/solve_interrupter.h</a>"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="solver__interface_8h.html">ortools/math_opt/core/solver_interface.h</a>"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</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="l00041" 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 id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include "<a class="code" href="message__callback__data_8h.html">ortools/math_opt/solvers/message_callback_data.h</a>"</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><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="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research_1_1math__opt.html">math_opt</a> {</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment">// The number of possible values for "where" that Gurobi's callbacks can stop</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment">// at, see the table here:</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment">// https://www.gurobi.com/documentation/9.1/refman/cb_codes.html</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="keyword">constexpr</span> <span class="keywordtype">int</span> kNumGurobiEvents = 9;</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="keyword">constexpr</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> = std::numeric_limits<double>::infinity();</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="keyword">template</span> <<span class="keywordtype">int</span> where></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword">constexpr</span> <span class="keywordtype">int</span> CheckedGuroibWhere() {</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">static_assert</span>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a> >= 0 && <a class="code hl_variable" href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a> < kNumGurobiEvents);</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a>;</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>}</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="keyword">inline</span> <span class="keywordtype">int</span> GurobiEvent(CallbackEventProto event) {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">switch</span> (event) {</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">case</span> CALLBACK_EVENT_PRESOLVE:</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> CheckedGuroibWhere<GRB_CB_PRESOLVE>();</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">case</span> CALLBACK_EVENT_SIMPLEX:</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> CheckedGuroibWhere<GRB_CB_SIMPLEX>();</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">case</span> CALLBACK_EVENT_MIP:</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> CheckedGuroibWhere<GRB_CB_MIP>();</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">case</span> CALLBACK_EVENT_MIP_SOLUTION:</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> CheckedGuroibWhere<GRB_CB_MIPSOL>();</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">case</span> CALLBACK_EVENT_MIP_NODE:</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> CheckedGuroibWhere<GRB_CB_MIPNODE>();</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">case</span> CALLBACK_EVENT_BARRIER:</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> CheckedGuroibWhere<GRB_CB_BARRIER>();</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">case</span> CALLBACK_EVENT_UNSPECIFIED:</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Unexpected callback event: "</span> << event;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>}</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>SparseDoubleVectorProto ApplyFilter(</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">const</span> std::vector<double>& grb_solution,</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">const</span> <a class="code hl_class" href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map<int64_t, int></a>& var_ids,</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">const</span> SparseVectorFilterProto& filter) {</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> SparseVectorFilterPredicate predicate(filter);</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> SparseDoubleVectorProto result;</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, grb_index] : var_ids) {</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">const</span> <span class="keywordtype">double</span> val = grb_solution[grb_index];</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(<span class="keywordtype">id</span>, val)) {</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> result.add_ids(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> result.add_values(val);</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span>absl::StatusOr<int64_t> CbGetInt64(<span class="keyword">const</span> Gurobi::CallbackContext& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">int</span> what) {</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> result, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.CbGetDouble(what));</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> int64_t result64 = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(result);</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (result != <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(result64)) {</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> absl::InternalError(</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> absl::StrCat(<span class="stringliteral">"Error converting double attribute: "</span>, what,</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="stringliteral">"with value: "</span>, result, <span class="stringliteral">" to int64_t exactly."</span>));</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> <span class="keywordflow">return</span> result64;</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span>absl::StatusOr<bool> CbGetBool(<span class="keyword">const</span> Gurobi::CallbackContext& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">int</span> what) {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> result, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.CbGetInt(what));</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">bool</span> result_bool = <span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(result);</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">if</span> (result != <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(result_bool)) {</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">return</span> absl::InternalError(</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> absl::StrCat(<span class="stringliteral">"Error converting int attribute: "</span>, what,</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="stringliteral">"with value: "</span>, result, <span class="stringliteral">" to bool exactly."</span>));</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> result_bool;</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>}</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="comment">// Invokes setter on a non-error value in statusor or returns the error.</span></div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="comment">//</span></div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="comment">// Requires that statusor is a StatusOr<T> and setter(T) is a function.</span></div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"><a class="line" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9"> 124</a></span><span class="preprocessor">#define MO_SET_OR_RET(setter, statusor) \</span></div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="preprocessor"> do { \</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span><span class="preprocessor"> auto eval_status_or = statusor; \</span></div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="preprocessor"> RETURN_IF_ERROR(eval_status_or.status()) << __FILE__ << ":"</span> << __LINE__; \</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> setter(*std::move(eval_status_or)); \</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> } while (false)</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="comment">// Sets the CallbackDataProto.runtime field using the difference between the</span></div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="comment">// current wall clock time and the start time of the solve.</span></div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>absl::Status SetRuntime(<span class="keyword">const</span> GurobiCallbackInput& callback_input,</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> CallbackDataProto& callback_data) {</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a>(absl::Now() - callback_input.start,</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> callback_data.mutable_runtime());</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>}</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="comment">// Returns the data for the next callback. Returns nullopt if no callback is</span></div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="comment">// needed.</span></div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span>absl::StatusOr<std::optional<CallbackDataProto>> CreateCallbackDataProto(</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">const</span> Gurobi::CallbackContext& c, <span class="keyword">const</span> GurobiCallbackInput& callback_input,</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> MessageCallbackData& message_callback_data) {</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> CallbackDataProto callback_data;</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> <span class="comment">// Query information from Gurobi.</span></div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">switch</span> (c.where()) {</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a89b0c088ac628a567b841f57a21abed8">GRB_CB_PRESOLVE</a>: {</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> callback_data.set_event(CALLBACK_EVENT_PRESOLVE);</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> CallbackDataProto::PresolveStats* <span class="keyword">const</span> s =</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> callback_data.mutable_presolve_stats();</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_removed_variables, c.CbGetInt(<a class="code hl_define" href="environment_8h.html#aee119d240dfbc49a883d6982dd0ca6c0">GRB_CB_PRE_COLDEL</a>));</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_removed_constraints, c.CbGetInt(<a class="code hl_define" href="environment_8h.html#a862afbb0b31942b06b8aa484e608bb88">GRB_CB_PRE_ROWDEL</a>));</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_bound_changes, c.CbGetInt(<a class="code hl_define" href="environment_8h.html#afc51a68ce211063bb39fc5adeb3b246e">GRB_CB_PRE_BNDCHG</a>));</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_coefficient_changes, c.CbGetInt(<a class="code hl_define" href="environment_8h.html#a216078c95dd7668ccf40473b18cb2875">GRB_CB_PRE_COECHG</a>));</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a52444d4642a70bdfb1ffa1e3f120f4ec">GRB_CB_SIMPLEX</a>: {</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> callback_data.set_event(CALLBACK_EVENT_SIMPLEX);</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> CallbackDataProto::SimplexStats* <span class="keyword">const</span> s =</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> callback_data.mutable_simplex_stats();</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_iteration_count, CbGetInt64(c, <a class="code hl_define" href="environment_8h.html#a5ea7c11f22bfc615f86e6a521f180f4e">GRB_CB_SPX_ITRCNT</a>));</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_is_pertubated, CbGetBool(c, <a class="code hl_define" href="environment_8h.html#a0783657775ee5a8817210723e6dcde5d">GRB_CB_SPX_ISPERT</a>));</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_objective_value, c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#a12cb4410aa88188b674ee17b1c8eb56a">GRB_CB_SPX_OBJVAL</a>));</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_primal_infeasibility,</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#a3f6cbfdaa931fe6caab33877bdc35365">GRB_CB_SPX_PRIMINF</a>));</div>
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|
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_dual_infeasibility,</div>
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|
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#aadb066f9ac42c966161a37cb203f660c">GRB_CB_SPX_DUALINF</a>));</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> }</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a1839c94e6deb4c80e8acf5b78a7937fc">GRB_CB_BARRIER</a>: {</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> callback_data.set_event(CALLBACK_EVENT_BARRIER);</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> CallbackDataProto::BarrierStats* <span class="keyword">const</span> s =</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> callback_data.mutable_barrier_stats();</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_iteration_count, c.CbGetInt(<a class="code hl_define" href="environment_8h.html#ac2390d3fd6af6a4f5b06ddb5f0b1c2fd">GRB_CB_BARRIER_ITRCNT</a>));</div>
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|
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_primal_objective,</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#a873bcb8a6197c38d2606da66f98b23cc">GRB_CB_BARRIER_PRIMOBJ</a>));</div>
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|
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_dual_objective,</div>
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|
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#ae4ba27ca9e466f748aa2d24e168cbaff">GRB_CB_BARRIER_DUALOBJ</a>));</div>
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|
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_primal_infeasibility,</div>
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|
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#af8fb3672cf50fed4941b2864e5cba6aa">GRB_CB_BARRIER_PRIMINF</a>));</div>
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|
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_dual_infeasibility,</div>
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|
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#abc54b7dd805b6382185a462eb375fb96">GRB_CB_BARRIER_DUALINF</a>));</div>
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|
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_complementarity,</div>
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|
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#a6b625c77f2bd8978dffdf12653feb52d">GRB_CB_BARRIER_COMPL</a>));</div>
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|
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> }</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#aab6ab7165db7d2c53281d91bdf208f6f">GRB_CB_MIP</a>: {</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> callback_data.set_event(CALLBACK_EVENT_MIP);</div>
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|
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> CallbackDataProto::MipStats* <span class="keyword">const</span> s = callback_data.mutable_mip_stats();</div>
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|
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_primal_bound, c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#ab5301e67ade13781e2ef8e6b8eabe34d">GRB_CB_MIP_OBJBST</a>));</div>
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|
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_dual_bound, c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#af732ff9c46396ddcc5d077b7aa5bac29">GRB_CB_MIP_OBJBND</a>));</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_explored_nodes, CbGetInt64(c, <a class="code hl_define" href="environment_8h.html#af01b3c420d61b98df6e5ab0f12728d73">GRB_CB_MIP_NODCNT</a>));</div>
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|
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_open_nodes, CbGetInt64(c, <a class="code hl_define" href="environment_8h.html#a05bce41f4273c2b48573cafdd7e4a39f">GRB_CB_MIP_NODLFT</a>));</div>
|
|
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_simplex_iterations,</div>
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|
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> CbGetInt64(c, <a class="code hl_define" href="environment_8h.html#a3712448e74823009d14db17d714ecf02">GRB_CB_MIP_ITRCNT</a>));</div>
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|
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_number_of_solutions_found,</div>
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|
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> c.CbGetInt(<a class="code hl_define" href="environment_8h.html#aeb7dbaa0117de43deb56e7c6b6b76f5a">GRB_CB_MIP_SOLCNT</a>));</div>
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|
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_cutting_planes_in_lp, c.CbGetInt(<a class="code hl_define" href="environment_8h.html#aca5fbc9811d563a8610ebc97cb888c0d">GRB_CB_MIP_CUTCNT</a>));</div>
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|
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
|
|
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> }</div>
|
|
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a0a5caff77126a575cb1c3136c78ea5e6">GRB_CB_MIPSOL</a>: {</div>
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|
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> callback_data.set_event(CALLBACK_EVENT_MIP_SOLUTION);</div>
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|
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> CallbackDataProto::MipStats* <span class="keyword">const</span> s = callback_data.mutable_mip_stats();</div>
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|
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_primal_bound, c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#a33b25740bb9ccb109a9942ced348a001">GRB_CB_MIPSOL_OBJBST</a>));</div>
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|
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_dual_bound, c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#af53039f8b797e2f4196d5227a0fc5e6e">GRB_CB_MIPSOL_OBJBND</a>));</div>
|
|
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_explored_nodes, CbGetInt64(c, <a class="code hl_define" href="environment_8h.html#a6d9cf52eabffeae7e6a9a96196518f68">GRB_CB_MIPSOL_NODCNT</a>));</div>
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|
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_number_of_solutions_found,</div>
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|
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> c.CbGetInt(<a class="code hl_define" href="environment_8h.html#a3a5593327e020154004dc62aba54b763">GRB_CB_MIPSOL_SOLCNT</a>));</div>
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|
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> std::vector<double> var_values(callback_input.num_gurobi_vars);</div>
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|
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
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|
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> c.CbGetDoubleArray(<a class="code hl_define" href="environment_8h.html#af4b792d08f1ac5f7878f80eaf432df48">GRB_CB_MIPSOL_SOL</a>, absl::MakeSpan(var_values)))</div>
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|
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> << <span class="stringliteral">"Error reading solution at event MIP_SOLUTION"</span>;</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> *callback_data.mutable_primal_solution_vector() =</div>
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|
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> ApplyFilter(var_values, callback_input.variable_ids,</div>
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|
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> callback_input.mip_solution_filter);</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#ab615ac552ba7202f8912556da65f22e0">GRB_CB_MIPNODE</a>: {</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> callback_data.set_event(CALLBACK_EVENT_MIP_NODE);</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> CallbackDataProto::MipStats* <span class="keyword">const</span> s = callback_data.mutable_mip_stats();</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_primal_bound, c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#a55c9d1c074cfd4ddc378cf03c0281b7a">GRB_CB_MIPNODE_OBJBST</a>));</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_dual_bound, c.CbGetDouble(<a class="code hl_define" href="environment_8h.html#a4d584a9335fb167ec95d022a741b6e11">GRB_CB_MIPNODE_OBJBND</a>));</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_explored_nodes,</div>
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|
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> CbGetInt64(c, <a class="code hl_define" href="environment_8h.html#aff582a5106fb7b0af23d2e76c81e664e">GRB_CB_MIPNODE_NODCNT</a>));</div>
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|
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <a class="code hl_define" href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a>(s->set_number_of_solutions_found,</div>
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|
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> c.CbGetInt(<a class="code hl_define" href="environment_8h.html#a912489cd8b988c36cd55b2e8a9d0c27b">GRB_CB_MIPNODE_SOLCNT</a>));</div>
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|
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keyword">const</span> absl::StatusOr<int> grb_status = c.CbGetInt(<a class="code hl_define" href="environment_8h.html#a6f9cab1c3a4ef170a32b76fa5616b05e">GRB_CB_MIPNODE_STATUS</a>);</div>
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|
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(grb_status.status())</div>
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|
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> << <span class="stringliteral">"Error reading solution status at event MIP_NODE"</span>;</div>
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|
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">if</span> (*grb_status == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a>) {</div>
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|
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> std::vector<double> var_values(callback_input.num_gurobi_vars);</div>
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|
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
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|
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> c.CbGetDoubleArray(<a class="code hl_define" href="environment_8h.html#a4afc9caa8d78d2754061f82919d3ee58">GRB_CB_MIPNODE_REL</a>, absl::MakeSpan(var_values)))</div>
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|
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> << <span class="stringliteral">"Error reading solution at event MIP_NODE"</span>;</div>
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|
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> *callback_data.mutable_primal_solution_vector() =</div>
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|
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> ApplyFilter(var_values, callback_input.variable_ids,</div>
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|
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> callback_input.mip_node_filter);</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// Note: Gurobi does not offer an objective value for the LP relaxation.</span></div>
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|
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
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|
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> }</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Unknown gurobi callback code "</span> << c.where();</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> }</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(SetRuntime(callback_input, callback_data))</div>
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|
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> << <span class="stringliteral">"Error encoding runtime at callback event: "</span> << c.where();</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> </div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">return</span> callback_data;</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span>}</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> </div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span><span class="preprocessor">#undef MO_SET_OR_RET</span></div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span>absl::Status ApplyResult(<span class="keyword">const</span> Gurobi::CallbackContext& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="keyword">const</span> GurobiCallbackInput& callback_input,</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">const</span> CallbackResultProto& result,</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> SolveInterrupter& local_interrupter) {</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> CallbackResultProto::GeneratedLinearConstraint& cut :</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> result.cuts()) {</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> std::vector<int> gurobi_vars;</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> gurobi_vars.reserve(cut.linear_expression().ids_size());</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <span class="keywordtype">id</span> : cut.linear_expression().ids()) {</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> gurobi_vars.push_back(callback_input.variable_ids.at(<span class="keywordtype">id</span>));</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> }</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> std::vector<std::pair<char, double>> sense_bound_pairs;</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">if</span> (cut.lower_bound() == cut.upper_bound()) {</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> sense_bound_pairs.emplace_back(<a class="code hl_define" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>, cut.upper_bound());</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">if</span> (cut.upper_bound() < <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>) {</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> sense_bound_pairs.emplace_back(<a class="code hl_define" href="environment_8h.html#ad789b60cb2feff34abddf416dcdba0c9">GRB_LESS_EQUAL</a>, cut.upper_bound());</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> }</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">if</span> (cut.lower_bound() > -<a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>) {</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> sense_bound_pairs.emplace_back(<a class="code hl_define" href="environment_8h.html#a2f1213e965bc4f4239c9178b6e8af074">GRB_GREATER_EQUAL</a>, cut.lower_bound());</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> }</div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [sense, <a class="code hl_variable" href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a>] : sense_bound_pairs) {</div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">if</span> (cut.is_lazy()) {</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.CbLazy(</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> gurobi_vars, cut.linear_expression().values(), sense, <a class="code hl_variable" href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a>));</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.CbCut(</div>
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|
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> gurobi_vars, cut.linear_expression().values(), sense, <a class="code hl_variable" href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a>));</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> }</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> }</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> }</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> SparseDoubleVectorProto& solution_vector :</div>
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|
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> result.suggested_solutions()) {</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// TODO(b/175829773): we cannot fill in auxiliary variables from range</span></div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="comment">// constraints.</span></div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> std::vector<double> gurobi_var_values(callback_input.num_gurobi_vars,</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <a class="code hl_define" href="environment_8h.html#af1ed3c79be1f7b75cf20ab2ecfffbca6">GRB_UNDEFINED</a>);</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(solution_vector)) {</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> gurobi_var_values[callback_input.variable_ids.at(<span class="keywordtype">id</span>)] = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> }</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.CbSolution(gurobi_var_values).status());</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> }</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> </div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span> (result.terminate()) {</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> local_interrupter.Interrupt();</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> }</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span>}</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> </div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a90644d44a9987c14edfb1cd0d2605bc5"> 310</a></span>std::vector<bool> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a90644d44a9987c14edfb1cd0d2605bc5">EventToGurobiWhere</a>(</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keyword">const</span> absl::flat_hash_set<CallbackEventProto>& events) {</div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> std::vector<bool> result(kNumGurobiEvents);</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> event : events) {</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> result[GurobiEvent(event)] = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> }</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span>}</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> </div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a641f09e40ce37a52ad4c285e77d66ded"> 319</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a641f09e40ce37a52ad4c285e77d66ded">GurobiCallbackImpl</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_gurobi_1_1_callback_context.html">Gurobi::CallbackContext</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html">GurobiCallbackInput</a>& callback_input,</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_message_callback_data.html">MessageCallbackData</a>& message_callback_data,</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">SolveInterrupter</a>* <span class="keyword">const</span> local_interrupter) {</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="comment">// Gurobi 9 ignores early calls to GRBterminate(). For example calling</span></div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="comment">// GRBterminate() in the first call of a MESSAGE callback only will not</span></div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// interrupt the solve. The rationale is that it is likely Gurobi resets its</span></div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// own internal "terminated" flag at the beginning of the solve but do make</span></div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="comment">// some callbacks calls first.</span></div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="comment">// Hence here we make sure to call GRBterminate() for every event once the</span></div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="comment">// interrupter has been triggered. This in particular includes POLLING which</span></div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="comment">// is regularly emitted by Gurobi during the solve.</span></div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">if</span> (local_interrupter != <span class="keyword">nullptr</span> && local_interrupter-><a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#a31cbaf141396f29d05b73b5350b29ed1">IsInterrupted</a>()) {</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.gurobi()->Terminate();</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> }</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> </div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// The POLLING event is a way for interactive applications that uses Gurobi</span></div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="comment">// but don't want to deal with threading to regain some kind of interactivity</span></div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// while a long solve is running by being called back from time to time. No</span></div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// data can be retrieved from this event. This event if thus not wrapped by</span></div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// MathOpt.</span></div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.where() == <a class="code hl_define" href="environment_8h.html#abb3f655e9eb74e37fbf2d11cb0efad5d">GRB_CB_POLLING</a>) {</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> }</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.where() == <a class="code hl_define" href="environment_8h.html#ac43c2cbdae9008fbe1b6a81d9b4694a8">GRB_CB_MESSAGE</a>) {</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keywordflow">if</span> (callback_input.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#ab5063f2ac129eac4f653a4da45bdd37a">message_cb</a>) {</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keyword">const</span> absl::StatusOr<std::string> msg = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.CbGetMessage();</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(msg.status())</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> << <span class="stringliteral">"Error getting message string in callback"</span>;</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keyword">const</span> std::vector<std::string> lines = message_callback_data.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_message_callback_data.html#ad91c548c482170ace6aa1f78cdb50f7b">Parse</a>(*msg);</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">if</span> (!lines.empty()) {</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> callback_input.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#ab5063f2ac129eac4f653a4da45bdd37a">message_cb</a>(lines);</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> }</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> }</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> }</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keywordflow">if</span> (callback_input.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#af4d74fe70a864d1ead9a9af72c09df62">user_cb</a> == <span class="keyword">nullptr</span> ||</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> !callback_input.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#a4d083d364e0b7deb4191e275069f66f9">events</a>[<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.where()]) {</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> }</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// At this point we know we have a user callback, thus we must have a local</span></div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// interrupter to deal with termination.</span></div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(local_interrupter != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> </div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="keyword">const</span> std::optional<CallbackDataProto> callback_data,</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> CreateCallbackDataProto(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, callback_input, message_callback_data));</div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keywordflow">if</span> (!callback_data) {</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> }</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keyword">const</span> absl::StatusOr<CallbackResultProto> result =</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> callback_input.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#af4d74fe70a864d1ead9a9af72c09df62">user_cb</a>(*callback_data);</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keywordflow">if</span> (!result.ok()) {</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> local_interrupter-><a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#ac1c30a63fcff78de5e4924f7ee2b822e">Interrupt</a>();</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keywordflow">return</span> result.status();</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> }</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> ApplyResult(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, callback_input, *result, *local_interrupter));</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span>}</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a158a3cecea7ce7e824ae5eca3a365f1d"> 382</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a158a3cecea7ce7e824ae5eca3a365f1d">GurobiCallbackImplFlush</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html">GurobiCallbackInput</a>& callback_input,</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_message_callback_data.html">MessageCallbackData</a>& message_callback_data) {</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keyword">const</span> std::vector<std::string> lines = message_callback_data.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_message_callback_data.html#a01b4551bb1d43d180c0ea3bb15c12a1c">Flush</a>();</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="keywordflow">if</span> (lines.empty()) {</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> }</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> </div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="comment">// Here we know that message_callback_data has only been filled-in if</span></div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="comment">// message_cb was not nullptr. Hence it is safe to make this call without</span></div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="comment">// testing.</span></div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> callback_input.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#ab5063f2ac129eac4f653a4da45bdd37a">message_cb</a>(lines);</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span>}</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</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_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html"><div class="ttname"><a href="base_2status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_a600de4b8f65fe0a4b1898041634f9011"><div class="ttname"><a href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a></div><div class="ttdeci">#define ASSIGN_OR_RETURN(lhs, rexpr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00046">base/status_macros.h:46</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00027">base/status_macros.h:27</a></div></div>
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<div class="ttc" id="aclassgtl_1_1linked__hash__map_html"><div class="ttname"><a href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map< int64_t, int ></a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_1_1_callback_context_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_1_1_callback_context.html">operations_research::math_opt::Gurobi::CallbackContext</a></div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8h_source.html#l00174">g_gurobi.h:174</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_message_callback_data_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_message_callback_data.html">operations_research::math_opt::MessageCallbackData</a></div><div class="ttdef"><b>Definition:</b> <a href="message__callback__data_8h_source.html#l00039">message_callback_data.h:39</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_message_callback_data_html_a01b4551bb1d43d180c0ea3bb15c12a1c"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_message_callback_data.html#a01b4551bb1d43d180c0ea3bb15c12a1c">operations_research::math_opt::MessageCallbackData::Flush</a></div><div class="ttdeci">std::vector< std::string > Flush()</div><div class="ttdef"><b>Definition:</b> <a href="message__callback__data_8cc_source.html#l00053">message_callback_data.cc:53</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_message_callback_data_html_ad91c548c482170ace6aa1f78cdb50f7b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_message_callback_data.html#ad91c548c482170ace6aa1f78cdb50f7b">operations_research::math_opt::MessageCallbackData::Parse</a></div><div class="ttdeci">std::vector< std::string > Parse(std::string_view message)</div><div class="ttdef"><b>Definition:</b> <a href="message__callback__data_8cc_source.html#l00026">message_callback_data.cc:26</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">operations_research::math_opt::SolveInterrupter</a></div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8h_source.html#l00039">solve_interrupter.h:39</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html_a31cbaf141396f29d05b73b5350b29ed1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#a31cbaf141396f29d05b73b5350b29ed1">operations_research::math_opt::SolveInterrupter::IsInterrupted</a></div><div class="ttdeci">bool IsInterrupted() const</div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8h_source.html#l00063">solve_interrupter.h:63</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html_ac1c30a63fcff78de5e4924f7ee2b822e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#ac1c30a63fcff78de5e4924f7ee2b822e">operations_research::math_opt::SolveInterrupter::Interrupt</a></div><div class="ttdeci">void Interrupt()</div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8cc_source.html#l00030">solve_interrupter.cc:30</a></div></div>
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<div class="ttc" id="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="aenvironment_8h_html"><div class="ttname"><a href="environment_8h.html">environment.h</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a05bce41f4273c2b48573cafdd7e4a39f"><div class="ttname"><a href="environment_8h.html#a05bce41f4273c2b48573cafdd7e4a39f">GRB_CB_MIP_NODLFT</a></div><div class="ttdeci">#define GRB_CB_MIP_NODLFT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00343">environment.h:343</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a0783657775ee5a8817210723e6dcde5d"><div class="ttname"><a href="environment_8h.html#a0783657775ee5a8817210723e6dcde5d">GRB_CB_SPX_ISPERT</a></div><div class="ttdeci">#define GRB_CB_SPX_ISPERT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00337">environment.h:337</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a0a5caff77126a575cb1c3136c78ea5e6"><div class="ttname"><a href="environment_8h.html#a0a5caff77126a575cb1c3136c78ea5e6">GRB_CB_MIPSOL</a></div><div class="ttdeci">#define GRB_CB_MIPSOL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00324">environment.h:324</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a12cb4410aa88188b674ee17b1c8eb56a"><div class="ttname"><a href="environment_8h.html#a12cb4410aa88188b674ee17b1c8eb56a">GRB_CB_SPX_OBJVAL</a></div><div class="ttdeci">#define GRB_CB_SPX_OBJVAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00334">environment.h:334</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a1839c94e6deb4c80e8acf5b78a7937fc"><div class="ttname"><a href="environment_8h.html#a1839c94e6deb4c80e8acf5b78a7937fc">GRB_CB_BARRIER</a></div><div class="ttdeci">#define GRB_CB_BARRIER</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00327">environment.h:327</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a216078c95dd7668ccf40473b18cb2875"><div class="ttname"><a href="environment_8h.html#a216078c95dd7668ccf40473b18cb2875">GRB_CB_PRE_COECHG</a></div><div class="ttdeci">#define GRB_CB_PRE_COECHG</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00332">environment.h:332</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a2f1213e965bc4f4239c9178b6e8af074"><div class="ttname"><a href="environment_8h.html#a2f1213e965bc4f4239c9178b6e8af074">GRB_GREATER_EQUAL</a></div><div class="ttdeci">#define GRB_GREATER_EQUAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00097">environment.h:97</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a33b25740bb9ccb109a9942ced348a001"><div class="ttname"><a href="environment_8h.html#a33b25740bb9ccb109a9942ced348a001">GRB_CB_MIPSOL_OBJBST</a></div><div class="ttdeci">#define GRB_CB_MIPSOL_OBJBST</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00348">environment.h:348</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a3712448e74823009d14db17d714ecf02"><div class="ttname"><a href="environment_8h.html#a3712448e74823009d14db17d714ecf02">GRB_CB_MIP_ITRCNT</a></div><div class="ttdeci">#define GRB_CB_MIP_ITRCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00344">environment.h:344</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a3a5593327e020154004dc62aba54b763"><div class="ttname"><a href="environment_8h.html#a3a5593327e020154004dc62aba54b763">GRB_CB_MIPSOL_SOLCNT</a></div><div class="ttdeci">#define GRB_CB_MIPSOL_SOLCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00351">environment.h:351</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a3f6cbfdaa931fe6caab33877bdc35365"><div class="ttname"><a href="environment_8h.html#a3f6cbfdaa931fe6caab33877bdc35365">GRB_CB_SPX_PRIMINF</a></div><div class="ttdeci">#define GRB_CB_SPX_PRIMINF</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00335">environment.h:335</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a43d3b5140bdab02bbc8fff16b910b854"><div class="ttname"><a href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a></div><div class="ttdeci">#define GRB_OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00457">environment.h:457</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a4afc9caa8d78d2754061f82919d3ee58"><div class="ttname"><a href="environment_8h.html#a4afc9caa8d78d2754061f82919d3ee58">GRB_CB_MIPNODE_REL</a></div><div class="ttdeci">#define GRB_CB_MIPNODE_REL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00354">environment.h:354</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a4d584a9335fb167ec95d022a741b6e11"><div class="ttname"><a href="environment_8h.html#a4d584a9335fb167ec95d022a741b6e11">GRB_CB_MIPNODE_OBJBND</a></div><div class="ttdeci">#define GRB_CB_MIPNODE_OBJBND</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00356">environment.h:356</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a52444d4642a70bdfb1ffa1e3f120f4ec"><div class="ttname"><a href="environment_8h.html#a52444d4642a70bdfb1ffa1e3f120f4ec">GRB_CB_SIMPLEX</a></div><div class="ttdeci">#define GRB_CB_SIMPLEX</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00322">environment.h:322</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a55c9d1c074cfd4ddc378cf03c0281b7a"><div class="ttname"><a href="environment_8h.html#a55c9d1c074cfd4ddc378cf03c0281b7a">GRB_CB_MIPNODE_OBJBST</a></div><div class="ttdeci">#define GRB_CB_MIPNODE_OBJBST</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00355">environment.h:355</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a5ea7c11f22bfc615f86e6a521f180f4e"><div class="ttname"><a href="environment_8h.html#a5ea7c11f22bfc615f86e6a521f180f4e">GRB_CB_SPX_ITRCNT</a></div><div class="ttdeci">#define GRB_CB_SPX_ITRCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00333">environment.h:333</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a6b625c77f2bd8978dffdf12653feb52d"><div class="ttname"><a href="environment_8h.html#a6b625c77f2bd8978dffdf12653feb52d">GRB_CB_BARRIER_COMPL</a></div><div class="ttdeci">#define GRB_CB_BARRIER_COMPL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00368">environment.h:368</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a6d9cf52eabffeae7e6a9a96196518f68"><div class="ttname"><a href="environment_8h.html#a6d9cf52eabffeae7e6a9a96196518f68">GRB_CB_MIPSOL_NODCNT</a></div><div class="ttdeci">#define GRB_CB_MIPSOL_NODCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00350">environment.h:350</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a6f9cab1c3a4ef170a32b76fa5616b05e"><div class="ttname"><a href="environment_8h.html#a6f9cab1c3a4ef170a32b76fa5616b05e">GRB_CB_MIPNODE_STATUS</a></div><div class="ttdeci">#define GRB_CB_MIPNODE_STATUS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00353">environment.h:353</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a862afbb0b31942b06b8aa484e608bb88"><div class="ttname"><a href="environment_8h.html#a862afbb0b31942b06b8aa484e608bb88">GRB_CB_PRE_ROWDEL</a></div><div class="ttdeci">#define GRB_CB_PRE_ROWDEL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00329">environment.h:329</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a873bcb8a6197c38d2606da66f98b23cc"><div class="ttname"><a href="environment_8h.html#a873bcb8a6197c38d2606da66f98b23cc">GRB_CB_BARRIER_PRIMOBJ</a></div><div class="ttdeci">#define GRB_CB_BARRIER_PRIMOBJ</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00364">environment.h:364</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a89b0c088ac628a567b841f57a21abed8"><div class="ttname"><a href="environment_8h.html#a89b0c088ac628a567b841f57a21abed8">GRB_CB_PRESOLVE</a></div><div class="ttdeci">#define GRB_CB_PRESOLVE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00321">environment.h:321</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a912489cd8b988c36cd55b2e8a9d0c27b"><div class="ttname"><a href="environment_8h.html#a912489cd8b988c36cd55b2e8a9d0c27b">GRB_CB_MIPNODE_SOLCNT</a></div><div class="ttdeci">#define GRB_CB_MIPNODE_SOLCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00358">environment.h:358</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aab6ab7165db7d2c53281d91bdf208f6f"><div class="ttname"><a href="environment_8h.html#aab6ab7165db7d2c53281d91bdf208f6f">GRB_CB_MIP</a></div><div class="ttdeci">#define GRB_CB_MIP</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00323">environment.h:323</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aadb066f9ac42c966161a37cb203f660c"><div class="ttname"><a href="environment_8h.html#aadb066f9ac42c966161a37cb203f660c">GRB_CB_SPX_DUALINF</a></div><div class="ttdeci">#define GRB_CB_SPX_DUALINF</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00336">environment.h:336</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ab1259c28b7591a6ed65482a365be56c6"><div class="ttname"><a href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a></div><div class="ttdeci">#define GRB_EQUAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00098">environment.h:98</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ab5301e67ade13781e2ef8e6b8eabe34d"><div class="ttname"><a href="environment_8h.html#ab5301e67ade13781e2ef8e6b8eabe34d">GRB_CB_MIP_OBJBST</a></div><div class="ttdeci">#define GRB_CB_MIP_OBJBST</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00338">environment.h:338</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ab615ac552ba7202f8912556da65f22e0"><div class="ttname"><a href="environment_8h.html#ab615ac552ba7202f8912556da65f22e0">GRB_CB_MIPNODE</a></div><div class="ttdeci">#define GRB_CB_MIPNODE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00325">environment.h:325</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_abb3f655e9eb74e37fbf2d11cb0efad5d"><div class="ttname"><a href="environment_8h.html#abb3f655e9eb74e37fbf2d11cb0efad5d">GRB_CB_POLLING</a></div><div class="ttdeci">#define GRB_CB_POLLING</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00320">environment.h:320</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_abc54b7dd805b6382185a462eb375fb96"><div class="ttname"><a href="environment_8h.html#abc54b7dd805b6382185a462eb375fb96">GRB_CB_BARRIER_DUALINF</a></div><div class="ttdeci">#define GRB_CB_BARRIER_DUALINF</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00367">environment.h:367</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ac2390d3fd6af6a4f5b06ddb5f0b1c2fd"><div class="ttname"><a href="environment_8h.html#ac2390d3fd6af6a4f5b06ddb5f0b1c2fd">GRB_CB_BARRIER_ITRCNT</a></div><div class="ttdeci">#define GRB_CB_BARRIER_ITRCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00363">environment.h:363</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ac43c2cbdae9008fbe1b6a81d9b4694a8"><div class="ttname"><a href="environment_8h.html#ac43c2cbdae9008fbe1b6a81d9b4694a8">GRB_CB_MESSAGE</a></div><div class="ttdeci">#define GRB_CB_MESSAGE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00326">environment.h:326</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aca5fbc9811d563a8610ebc97cb888c0d"><div class="ttname"><a href="environment_8h.html#aca5fbc9811d563a8610ebc97cb888c0d">GRB_CB_MIP_CUTCNT</a></div><div class="ttdeci">#define GRB_CB_MIP_CUTCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00342">environment.h:342</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ad789b60cb2feff34abddf416dcdba0c9"><div class="ttname"><a href="environment_8h.html#ad789b60cb2feff34abddf416dcdba0c9">GRB_LESS_EQUAL</a></div><div class="ttdeci">#define GRB_LESS_EQUAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00096">environment.h:96</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ae4ba27ca9e466f748aa2d24e168cbaff"><div class="ttname"><a href="environment_8h.html#ae4ba27ca9e466f748aa2d24e168cbaff">GRB_CB_BARRIER_DUALOBJ</a></div><div class="ttdeci">#define GRB_CB_BARRIER_DUALOBJ</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00365">environment.h:365</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aeb7dbaa0117de43deb56e7c6b6b76f5a"><div class="ttname"><a href="environment_8h.html#aeb7dbaa0117de43deb56e7c6b6b76f5a">GRB_CB_MIP_SOLCNT</a></div><div class="ttdeci">#define GRB_CB_MIP_SOLCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00341">environment.h:341</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aee119d240dfbc49a883d6982dd0ca6c0"><div class="ttname"><a href="environment_8h.html#aee119d240dfbc49a883d6982dd0ca6c0">GRB_CB_PRE_COLDEL</a></div><div class="ttdeci">#define GRB_CB_PRE_COLDEL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00328">environment.h:328</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af01b3c420d61b98df6e5ab0f12728d73"><div class="ttname"><a href="environment_8h.html#af01b3c420d61b98df6e5ab0f12728d73">GRB_CB_MIP_NODCNT</a></div><div class="ttdeci">#define GRB_CB_MIP_NODCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00340">environment.h:340</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af1ed3c79be1f7b75cf20ab2ecfffbca6"><div class="ttname"><a href="environment_8h.html#af1ed3c79be1f7b75cf20ab2ecfffbca6">GRB_UNDEFINED</a></div><div class="ttdeci">#define GRB_UNDEFINED</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00109">environment.h:109</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af4b792d08f1ac5f7878f80eaf432df48"><div class="ttname"><a href="environment_8h.html#af4b792d08f1ac5f7878f80eaf432df48">GRB_CB_MIPSOL_SOL</a></div><div class="ttdeci">#define GRB_CB_MIPSOL_SOL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00346">environment.h:346</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af53039f8b797e2f4196d5227a0fc5e6e"><div class="ttname"><a href="environment_8h.html#af53039f8b797e2f4196d5227a0fc5e6e">GRB_CB_MIPSOL_OBJBND</a></div><div class="ttdeci">#define GRB_CB_MIPSOL_OBJBND</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00349">environment.h:349</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af732ff9c46396ddcc5d077b7aa5bac29"><div class="ttname"><a href="environment_8h.html#af732ff9c46396ddcc5d077b7aa5bac29">GRB_CB_MIP_OBJBND</a></div><div class="ttdeci">#define GRB_CB_MIP_OBJBND</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00339">environment.h:339</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af8fb3672cf50fed4941b2864e5cba6aa"><div class="ttname"><a href="environment_8h.html#af8fb3672cf50fed4941b2864e5cba6aa">GRB_CB_BARRIER_PRIMINF</a></div><div class="ttdeci">#define GRB_CB_BARRIER_PRIMINF</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00366">environment.h:366</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_afc51a68ce211063bb39fc5adeb3b246e"><div class="ttname"><a href="environment_8h.html#afc51a68ce211063bb39fc5adeb3b246e">GRB_CB_PRE_BNDCHG</a></div><div class="ttdeci">#define GRB_CB_PRE_BNDCHG</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00331">environment.h:331</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aff582a5106fb7b0af23d2e76c81e664e"><div class="ttname"><a href="environment_8h.html#aff582a5106fb7b0af23d2e76c81e664e">GRB_CB_MIPNODE_NODCNT</a></div><div class="ttdeci">#define GRB_CB_MIPNODE_NODCNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00357">environment.h:357</a></div></div>
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<div class="ttc" id="agurobi__callback_8cc_html_a58669ccd3eb88ecc437287459b6abeb9"><div class="ttname"><a href="gurobi__callback_8cc.html#a58669ccd3eb88ecc437287459b6abeb9">MO_SET_OR_RET</a></div><div class="ttdeci">#define MO_SET_OR_RET(setter, statusor)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00124">gurobi_callback.cc:124</a></div></div>
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<div class="ttc" id="agurobi__callback_8h_html"><div class="ttname"><a href="gurobi__callback_8h.html">gurobi_callback.h</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6"><div class="ttname"><a href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a></div><div class="ttdeci">GurobiMPCallbackContext * context</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00514">gurobi_interface.cc:514</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a675dd47bbf0a66c9cb592047797a6d69"><div class="ttname"><a href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a></div><div class="ttdeci">int where</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00276">gurobi_interface.cc:276</a></div></div>
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<div class="ttc" id="alinked__hash__map_8h_html"><div class="ttname"><a href="linked__hash__map_8h.html">linked_hash_map.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="amessage__callback__data_8h_html"><div class="ttname"><a href="message__callback__data_8h.html">message_callback_data.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html">operations_research::math_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="arrow__operator__proxy_8h_source.html#l00020">arrow_operator_proxy.h:20</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a158a3cecea7ce7e824ae5eca3a365f1d"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a158a3cecea7ce7e824ae5eca3a365f1d">operations_research::math_opt::GurobiCallbackImplFlush</a></div><div class="ttdeci">void GurobiCallbackImplFlush(const GurobiCallbackInput &callback_input, MessageCallbackData &message_callback_data)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00382">gurobi_callback.cc:382</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a641f09e40ce37a52ad4c285e77d66ded"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a641f09e40ce37a52ad4c285e77d66ded">operations_research::math_opt::GurobiCallbackImpl</a></div><div class="ttdeci">absl::Status GurobiCallbackImpl(const Gurobi::CallbackContext &context, const GurobiCallbackInput &callback_input, MessageCallbackData &message_callback_data, SolveInterrupter *const local_interrupter)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00319">gurobi_callback.cc:319</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a80e158d48db32a3bbbe915179b36e405"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">operations_research::math_opt::MakeView</a></div><div class="ttdeci">SparseVectorView< T > MakeView(absl::Span< const int64_t > ids, const Collection &values)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00144">sparse_vector_view.h:144</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a90644d44a9987c14edfb1cd0d2605bc5"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a90644d44a9987c14edfb1cd0d2605bc5">operations_research::math_opt::EventToGurobiWhere</a></div><div class="ttdeci">std::vector< bool > EventToGurobiWhere(const absl::flat_hash_set< CallbackEventProto > &events)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00310">gurobi_callback.cc:310</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad9f50c9313b35cc1e8887057dc4d9645"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">operations_research::math_opt::kInf</a></div><div class="ttdeci">constexpr double kInf</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8cc_source.html#l00029">variable_and_expressions.cc:29</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_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_a9b705fc0063004954faa62e54450d4fc"><div class="ttname"><a href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< google::protobuf::Duration > EncodeGoogleApiProto(absl::Duration d)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00027">protoutil.h:27</a></div></div>
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<div class="ttc" id="aprotoutil_8h_html"><div class="ttname"><a href="protoutil_8h.html">protoutil.h</a></div></div>
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<div class="ttc" id="arouting__filters_8cc_html_a4f1e8002734902ae1c65ccc3fc30c98e"><div class="ttname"><a href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a></div><div class="ttdeci">int64_t bound</div><div class="ttdef"><b>Definition:</b> <a href="routing__filters_8cc_source.html#l00968">routing_filters.cc:968</a></div></div>
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<div class="ttc" id="asolve__interrupter_8h_html"><div class="ttname"><a href="solve__interrupter_8h.html">solve_interrupter.h</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html"><div class="ttname"><a href="solver__interface_8h.html">solver_interface.h</a></div></div>
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<div class="ttc" id="asparse__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_gurobi_callback_input_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html">operations_research::math_opt::GurobiCallbackInput</a></div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8h_source.html#l00035">gurobi_callback.h:35</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_gurobi_callback_input_html_a4d083d364e0b7deb4191e275069f66f9"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#a4d083d364e0b7deb4191e275069f66f9">operations_research::math_opt::GurobiCallbackInput::events</a></div><div class="ttdeci">std::vector< bool > events</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8h_source.html#l00044">gurobi_callback.h:44</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_gurobi_callback_input_html_ab5063f2ac129eac4f653a4da45bdd37a"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#ab5063f2ac129eac4f653a4da45bdd37a">operations_research::math_opt::GurobiCallbackInput::message_cb</a></div><div class="ttdeci">SolverInterface::MessageCallback message_cb</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8h_source.html#l00037">gurobi_callback.h:37</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_gurobi_callback_input_html_af4d74fe70a864d1ead9a9af72c09df62"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html#af4d74fe70a864d1ead9a9af72c09df62">operations_research::math_opt::GurobiCallbackInput::user_cb</a></div><div class="ttdeci">SolverInterface::Callback user_cb</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8h_source.html#l00036">gurobi_callback.h:36</a></div></div>
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