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<div class="title">gurobi_solver.cc</div> </div>
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<a href="gurobi__solver_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="gurobi__solver_8h.html">ortools/math_opt/solvers/gurobi_solver.h</a>"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <functional></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <list></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <utility></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "absl/strings/string_view.h"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "absl/time/clock.h"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "absl/time/time.h"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "absl/types/span.h"</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</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 name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "ortools/math_opt/callback.pb.h"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="math__opt__proto__utils_8h.html">ortools/math_opt/math_opt_proto_utils.h</a>"</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "ortools/math_opt/model.pb.h"</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "ortools/math_opt/model_parameters.pb.h"</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include "ortools/math_opt/parameters.pb.h"</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "ortools/math_opt/result.pb.h"</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "ortools/math_opt/solution.pb.h"</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "<a class="code" href="solver__interface_8h.html">ortools/math_opt/solver_interface.h</a>"</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</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 name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="sparse__vector__view_8h.html">ortools/math_opt/sparse_vector_view.h</a>"</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="protoutil_8h.html">ortools/base/protoutil.h</a>"</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="environment_8h.html">ortools/gurobi/environment.h</a>"</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">namespace </span>math_opt {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">inline</span> BasisStatus ConvertVariableStatus(<span class="keyword">const</span> <span class="keywordtype">int</span> status) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">switch</span> (status) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#ad08f48647c5d65e49bcf5d85af8ea724">GRB_BASIC</a>:</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> BasisStatus::BASIC;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a22436ee63a37753e3282174cdaf4e2a7">GRB_NONBASIC_LOWER</a>:</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> BasisStatus::AT_LOWER_BOUND;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a89e1bf71cc27db7ecd18e117a53cf7c2">GRB_NONBASIC_UPPER</a>:</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> BasisStatus::AT_UPPER_BOUND;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a01f7f12bd04d094abbfec4d9efaf4474">GRB_SUPERBASIC</a>:</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> BasisStatus::FREE;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> BasisStatus::INVALID;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> GrbVariableStatus(<span class="keyword">const</span> BasisStatus status) {</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">switch</span> (status) {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">case</span> BasisStatus::BASIC:</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> <a class="code" href="environment_8h.html#ad08f48647c5d65e49bcf5d85af8ea724">GRB_BASIC</a>;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">case</span> BasisStatus::AT_LOWER_BOUND:</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">case</span> BasisStatus::FIXED_VALUE:</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> <a class="code" href="environment_8h.html#a22436ee63a37753e3282174cdaf4e2a7">GRB_NONBASIC_LOWER</a>;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">case</span> BasisStatus::AT_UPPER_BOUND:</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <a class="code" href="environment_8h.html#a89e1bf71cc27db7ecd18e117a53cf7c2">GRB_NONBASIC_UPPER</a>;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">case</span> BasisStatus::FREE:</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> <a class="code" href="environment_8h.html#a01f7f12bd04d094abbfec4d9efaf4474">GRB_SUPERBASIC</a>;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">case</span> BasisStatus::INVALID:</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Unexpected invalid initial_basis."</span>;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> constexpr <span class="keywordtype">int</span> kGrbOk = 0;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> GurobiParametersProto MergeParameters(</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">const</span> CommonSolveParametersProto& common_parameters,</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> GurobiParametersProto& gurobi_parameters) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  GurobiParametersProto merged_parameters;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (common_parameters.has_enable_output()) {</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// TODO(user): Gurobi allows for custom display callbacks. This</span></div>
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|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// allows redirecting output to a file, or parsing it and retrieve key</span></div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// information, or redirect it to IDE outputs (such as in Jupiter</span></div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// Notebooks). We should install such a callback to manage output if this is</span></div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// enabled.</span></div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> enable_output = common_parameters.enable_output() ? 1 : 0;</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  parameter->set_name(<a class="code" href="environment_8h.html#a0a3ce7c49cba11b567c1d6fdfd732e1a">GRB_INT_PAR_LOGTOCONSOLE</a>);</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  parameter->set_value(absl::StrCat(enable_output));</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (common_parameters.has_time_limit()) {</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a> = absl::ToDoubleSeconds(</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="namespaceutil__time.html#a7c8c9c3cc5c68f173f38b0237da3abc9">util_time::DecodeGoogleApiProto</a>(common_parameters.time_limit())</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  .value());</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  parameter->set_name(<a class="code" href="environment_8h.html#af0e9b8eeda1ce58b5199ae2140a76f8d">GRB_DBL_PAR_TIMELIMIT</a>);</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  parameter->set_value(absl::StrCat(<a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>));</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (common_parameters.has_threads()) {</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> threads = common_parameters.threads();</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  parameter->set_name(<a class="code" href="environment_8h.html#a40ab1a4641611c40bfd77517d0560166">GRB_INT_PAR_THREADS</a>);</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  parameter->set_value(absl::StrCat(threads));</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (common_parameters.has_random_seed()) {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> random_seed =</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(<a class="code" href="environment_8h.html#aaeec08d31335c6a13ff639dff0f4daa5">GRB_MAXINT</a>, <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(common_parameters.random_seed(), 0));</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  parameter->set_name(<a class="code" href="environment_8h.html#a317d0241017cd770a8554749944bf1b6">GRB_INT_PAR_SEED</a>);</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  parameter->set_value(absl::StrCat(random_seed));</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (common_parameters.lp_algorithm() != LP_ALGORITHM_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  parameter->set_name(<a class="code" href="environment_8h.html#a5397bab46d83535262cfd4f82ffcaf3e">GRB_INT_PAR_METHOD</a>);</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">switch</span> (common_parameters.lp_algorithm()) {</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">case</span> LP_ALGORITHM_PRIMAL_SIMPLEX:</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  parameter->set_value(absl::StrCat(<a class="code" href="environment_8h.html#aee06842200f9ea6a52cd072655bde971">GRB_METHOD_PRIMAL</a>));</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">case</span> LP_ALGORITHM_DUAL_SIMPLEX:</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  parameter->set_value(absl::StrCat(<a class="code" href="environment_8h.html#ac83a71f7ce20ef826c2fe19ded699f4e">GRB_METHOD_DUAL</a>));</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">case</span> LP_ALGORITHM_BARRIER:</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  parameter->set_value(absl::StrCat(<a class="code" href="environment_8h.html#a7ba686d89ff3ad70a4647775fb7ff04f">GRB_METHOD_BARRIER</a>));</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"LPAlgorithm: "</span></div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  << <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.lp_algorithm())</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (common_parameters.scaling() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  parameter->set_name(<a class="code" href="environment_8h.html#a711a2db88b574a2e8ba3284eb2da1285">GRB_INT_PAR_SCALEFLAG</a>);</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">switch</span> (common_parameters.scaling()) {</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  parameter->set_value(absl::StrCat(0));</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  parameter->set_value(absl::StrCat(1));</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  parameter->set_value(absl::StrCat(2));</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  parameter->set_value(absl::StrCat(3));</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Scaling emphasis: "</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  << <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.scaling())</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (common_parameters.cuts() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  parameter->set_name(<a class="code" href="environment_8h.html#a2370d4404d39aef86bda6ba3348d1fc9">GRB_INT_PAR_CUTS</a>);</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">switch</span> (common_parameters.cuts()) {</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  parameter->set_value(absl::StrCat(0));</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  parameter->set_value(absl::StrCat(1));</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  parameter->set_value(absl::StrCat(2));</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  parameter->set_value(absl::StrCat(3));</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Cuts emphasis: "</span></div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  << <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.cuts())</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (common_parameters.heuristics() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  merged_parameters.add_parameters();</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  parameter->set_name(<a class="code" href="environment_8h.html#a7a847fd81493698f8b079802cd6ff99b">GRB_DBL_PAR_HEURISTICS</a>);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">switch</span> (common_parameters.heuristics()) {</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  parameter->set_value(absl::StrCat(0.0));</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  parameter->set_value(absl::StrCat(0.025));</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// As of Gurobi 9.1 this is the default value.</span></div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// https://www.gurobi.com/documentation/9.1/refman/heuristics.html</span></div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  parameter->set_value(absl::StrCat(0.05));</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  parameter->set_value(absl::StrCat(0.1));</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  parameter->set_value(absl::StrCat(0.2));</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Heuristics emphasis: "</span></div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  << <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.heuristics())</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (common_parameters.presolve() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  merged_parameters.add_parameters();</div>
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|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  parameter->set_name(<a class="code" href="environment_8h.html#a357ade6bc740533e34fc725fb57564ee">GRB_INT_PAR_PRESOLVE</a>);</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">switch</span> (common_parameters.presolve()) {</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  parameter->set_value(absl::StrCat(0));</div>
|
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
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|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  parameter->set_value(absl::StrCat(1));</div>
|
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  parameter->set_value(absl::StrCat(2));</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Presolve emphasis: "</span></div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  << <a class="code" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_parameters.presolve())</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> GurobiParametersProto_Parameter& parameter :</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  gurobi_parameters.parameters()) {</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  *merged_parameters.add_parameters() = parameter;</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">return</span> merged_parameters;</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> std::string JoinErrors(<span class="keyword">const</span> std::vector<absl::Status>& errors) {</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  std::string result = <span class="stringliteral">"["</span>;</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> absl::Status& error : errors) {</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  absl::StrAppend(&result, error.message());</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div>
|
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  absl::StrAppend(&result, <span class="stringliteral">"]"</span>);</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> }</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  </div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> absl::StatusOr<int64_t> SafeInt64FromDouble(<span class="keyword">const</span> <span class="keywordtype">double</span> d) {</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">const</span> int64_t result = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(d);</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (<span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(result) != d) {</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  absl::StrCat(<span class="stringliteral">"Expected double "</span>, d, <span class="stringliteral">" to contain an int64_t."</span>));</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> }</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> std::string GurobiSolver::GurobiErrorMessage(<span class="keywordtype">int</span> error_code)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> (error_code == kGrbOk) {</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> {};</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">if</span> (active_env_ == <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span> (error_code == <a class="code" href="environment_8h.html#a62f5c46eb05a9a2a3aa018fc356aa33a">GRB_ERROR_NO_LICENSE</a>) {</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Gurobi error code:"</span>, error_code,</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="stringliteral">" (Failed to obtain a valid license)"</span>);</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Gurboi error code:"</span>, error_code,</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="stringliteral">" (No environment is available)"</span>);</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Gurobi error code: "</span>, error_code, <span class="stringliteral">", "</span>,</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="namespaceoperations__research.html#a6e3a7ab84a516ee67eb78d50ac3987e2">GRBgeterrormsg</a>(active_env_));</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> std::string GurobiSolver::LogGurobiCode(</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">int</span> error_code, <span class="keyword">const</span> <span class="keywordtype">char</span>* source_file, <span class="keywordtype">int</span> source_line,</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* statement, absl::string_view extra_message = <span class="stringliteral">""</span>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (error_code == kGrbOk) {</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">const</span> std::string error_message =</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  absl::StrFormat(<span class="stringliteral">"%s:%d, on '%s' : %s%s"</span>, source_file, source_line,</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  statement, GurobiErrorMessage(error_code), extra_message);</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << error_message;</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">return</span> error_message;</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> }</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  </div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> absl::Status GurobiSolver::GurobiCodeToUtilStatus(<span class="keywordtype">int</span> error_code,</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* source_file,</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">int</span> source_line,</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* statement)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (error_code == kGrbOk) {</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  LogGurobiCode(error_code, source_file, source_line, statement));</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// This macro is intended to be used only in class functions of GurobiSolver.</span></div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967"> 326</a></span> <span class="preprocessor">#define RETURN_IF_GUROBI_ERROR(_x_) \</span></div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="preprocessor"> RETURN_IF_ERROR(GurobiCodeToUtilStatus(_x_, __FILE__, __LINE__, #_x_))</span></div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment">// TODO(user): Use empty environments once we move to Gurobi 9. Here</span></div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment">// we would also setup a log callback.</span></div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> absl::Status GurobiSolver::LoadEnvironment() {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(master_env_ == <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a58b085f750fadcaed59fdba2fc81dbfd">GRBloadenv</a>(&master_env_,</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="comment">/*logfilename=*/</span><span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  active_env_ = master_env_;</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(active_env_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ad530ac40f508600aa495f638d813748b">GRBnewmodel</a>(master_env_, &gurobi_model_,</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">/*Pname=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="comment">/*numvars=*/</span>0,</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">/*obj=*/</span><span class="keyword">nullptr</span>, <span class="comment">/*lb=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="comment">/*ub=*/</span><span class="keyword">nullptr</span>, <span class="comment">/*vtype=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">/*varnames=*/</span><span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  active_env_ = <a class="code" href="namespaceoperations__research.html#a7107d55540a5ebdf66762aa4ee42e404">GRBgetenv</a>(gurobi_model_);</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <a class="code" href="namespaceoperations__research.html#a2f41a80190ebfeab50fd2cb4c66e51cb">GRBsetintattr</a>(gurobi_model_, <a class="code" href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a>, <a class="code" href="environment_8h.html#ad4477c4c3cade685194ae6957edce447">GRB_MINIMIZE</a>));</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">if</span> (<a class="code" href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a>(3)) {</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordtype">int</span> gurobi_major, gurobi_minor, gurobi_technical;</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <a class="code" href="namespaceoperations__research.html#a2d8a3119d1dbb2397caf41c215e1bf4d">GRBversion</a>(&gurobi_major, &gurobi_minor, &gurobi_technical);</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << absl::StrFormat(</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="stringliteral">"Successfully opened environment for Gurobi v%d.%d.%d (%s)"</span>,</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  gurobi_major, gurobi_minor, gurobi_technical, <a class="code" href="namespaceoperations__research.html#a24d4a81ddd386e3302f17cd46e286955">GRBplatform</a>());</div>
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|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> }</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  </div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> absl::StatusOr<int> GurobiSolver::GetIntAttr(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordtype">int</span> result;</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#afccf2eccc1e7d4c083e47b0b19ae90be">GRBgetintattr</a>(gurobi_model_, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, &result))</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  << <span class="stringliteral">"Error getting Gurobi int attribute: "</span> << <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>;</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> }</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  </div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> absl::StatusOr<double> GurobiSolver::GetDoubleAttr(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">double</span> result;</div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a13096db0327ba8156cb2f5215eaeb9db">GRBgetdblattr</a>(gurobi_model_, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, &result))</div>
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|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  << <span class="stringliteral">"Error getting Gurobi double attribute: "</span> << <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>;</div>
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|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> }</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  </div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> absl::Status GurobiSolver::GetIntAttrArray(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  absl::Span<int> attr_out)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a3d3abef27ee72c7f76a5f4f534912e07">GRBgetintattrarray</a>(gurobi_model_, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, 0,</div>
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|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  attr_out.size(), attr_out.data()))</div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  << <span class="stringliteral">"Error getting Gurobi int array attribute: "</span> << <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>;</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> }</div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  </div>
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> absl::Status GurobiSolver::GetDoubleAttrArray(</div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, absl::Span<double> attr_out)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a7fe5c509c991d915e0adf06e82ede5d4">GRBgetdblattrarray</a>(gurobi_model_, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, 0,</div>
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|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  attr_out.size(), attr_out.data()))</div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  << <span class="stringliteral">"Error getting Gurobi double array attribute: "</span> << <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>;</div>
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|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> absl::Status GurobiSolver::RunSolver() {</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ab850dd307ea088f49af5f192d1b8d553">GRBoptimize</a>(gurobi_model_));</div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> }</div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  </div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> absl::StatusOr<std::pair<SolveResultProto::TerminationReason, std::string>></div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> GurobiSolver::ConvertTerminationReason(<span class="keyword">const</span> <span class="keywordtype">int</span> gurobi_status,</div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_feasible_solution) {</div>
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<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">switch</span> (gurobi_status) {</div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a>:</div>
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<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">return</span> std::make_pair(<a class="code" href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad">SolveResultProto::OPTIMAL</a>, <span class="stringliteral">""</span>);</div>
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<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#aa9bc09ccb0ac12cee4fe48135431ddbd">GRB_INFEASIBLE</a>:</div>
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<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">return</span> std::make_pair(<a class="code" href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483">SolveResultProto::INFEASIBLE</a>, <span class="stringliteral">""</span>);</div>
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|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#abd5c8ac4f5b0f0cecb20fa655300196e">GRB_UNBOUNDED</a>: {</div>
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<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">if</span> (has_feasible_solution) {</div>
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|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::UNBOUNDED, <span class="stringliteral">""</span>);</div>
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|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::DUAL_INFEASIBLE,</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="stringliteral">"Gurobi status GRB_UNBOUNDED, but no feasible "</span></div>
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|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="stringliteral">"point found, only primal ray."</span>);</div>
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|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  }</div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  }</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#aa551017c0b845fd228540c78841bbb68">GRB_INF_OR_UNBD</a>:</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::DUAL_INFEASIBLE,</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="stringliteral">"Gurobi status GRB_INF_OR_UNBD."</span>);</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#abd3911c6711cb8b337661a06a32cfb5c">GRB_CUTOFF</a>:</div>
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|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::OBJECTIVE_LIMIT,</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="stringliteral">"Gurobi status GRB_CUTOFF."</span>);</div>
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|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#ae7fb7f0d52f101d68375a248dc9c2292">GRB_ITERATION_LIMIT</a>:</div>
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|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::ITERATION_LIMIT, <span class="stringliteral">""</span>);</div>
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|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a5fd7f1e209885e3d6e47ea3a11f65340">GRB_NODE_LIMIT</a>:</div>
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|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::NODE_LIMIT, <span class="stringliteral">""</span>);</div>
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|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a88e6e7461317d51db8df85aef54b2314">GRB_TIME_LIMIT</a>:</div>
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|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::TIME_LIMIT, <span class="stringliteral">""</span>);</div>
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|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a1ccb20da4b43c27111e26d4532fd31e0">GRB_SOLUTION_LIMIT</a>:</div>
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|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::SOLUTION_LIMIT, <span class="stringliteral">""</span>);</div>
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|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#ad94393e90e9408cdb85e65d8891a3aa2">GRB_INTERRUPTED</a>:</div>
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|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::INTERRUPTED, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#aed597d8d7382b426945d77fefd1df219">GRB_NUMERIC</a>:</div>
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|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::NUMERICAL_ERROR, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#aa7bde7d4791541f5f0ebfe2ae44841df">GRB_SUBOPTIMAL</a>:</div>
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|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::IMPRECISE, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#af5e46a0de8a1d1c40d1f88da9cf7dabe">GRB_USER_OBJ_LIMIT</a>:</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">return</span> std::make_pair(SolveResultProto::OBJECTIVE_LIMIT,</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="stringliteral">"Gurobi status GRB_USR_OBJ_LIMIT."</span>);</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a974f168fa074bac37be196bc6c6c008f">GRB_LOADED</a>:</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="stringliteral">"Error creating termination reason, unexpected gurobi status code "</span></div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="stringliteral">"GRB_LOADED."</span>);</div>
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|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">case</span> <a class="code" href="environment_8h.html#a9d5e5e5c915a5ee39d46a4920acae69e">GRB_INPROGRESS</a>:</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="stringliteral">"Error creating termination reason, unexpected gurobi status code "</span></div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="stringliteral">"GRB_INPROGRESS."</span>);</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> absl::InternalError(absl::StrCat(</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="stringliteral">"Missing Gurobi optimization status code case: "</span>, gurobi_status));</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> }</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  </div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="keywordtype">int</span> GurobiSolver::num_gurobi_constraints()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> linear_constraints_map_.<a class="code" href="classgtl_1_1linked__hash__map.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> }</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  </div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> absl::StatusOr<bool> GurobiSolver::IsLP()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_mip, GetIntAttr(<a class="code" href="environment_8h.html#a818911c41b6c6db875cc4296cb7a861a">GRB_INT_ATTR_IS_MIP</a>));</div>
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|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_qp, GetIntAttr(<a class="code" href="environment_8h.html#a53aa4448d8ded22274939383658c1d80">GRB_INT_ATTR_IS_QP</a>));</div>
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|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_qcp, GetIntAttr(<a class="code" href="environment_8h.html#aa16b413021738f1ca6d7bc00f8ed7d56">GRB_INT_ATTR_IS_QCP</a>));</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> !<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(is_mip) && !<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(is_qp) &&</div>
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|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  !<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(is_qcp);</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> }</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment">// TODO(user): switch the use of this function to something closer to</span></div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment">// GetGurobiDualRay()</span></div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="keywordtype">void</span> GurobiSolver::GurobiVectorToSparseDoubleVector(</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keyword">const</span> absl::Span<const double> gurobi_values, <span class="keyword">const</span> T& map,</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  SparseDoubleVectorProto& result,</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">const</span> SparseVectorFilterProto& filter)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  SparseVectorFilterPredicate predicate(filter);</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> [<span class="keywordtype">id</span>, gurobi_data] : map) {</div>
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|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = gurobi_values[get_model_index(gurobi_data)];</div>
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|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(<span class="keywordtype">id</span>, <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  result.add_ids(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  result.add_values(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div>
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<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  }</div>
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<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> }</div>
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<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  </div>
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<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> absl::Status GurobiSolver::SetGurobiBasis(<span class="keyword">const</span> BasisProto& basis) {</div>
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<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  std::vector<int> gurobi_variable_basis_status(num_gurobi_variables_);</div>
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<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : <a class="code" href="namespaceoperations__research_1_1math__opt.html#ac17be684f3a6337b38f287c0a1e8c691">MakeView</a>(basis.variable_status())) {</div>
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<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  gurobi_variable_basis_status[variables_map_.<a class="code" href="classgtl_1_1linked__hash__map.html#ae808caa4f950111fd95d2d61441bad93">at</a>(<span class="keywordtype">id</span>)] =</div>
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<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  GrbVariableStatus(<span class="keyword">static_cast<</span>BasisStatus<span class="keyword">></span>(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div>
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  </div>
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  std::vector<int> gurobi_constraint_basis_status;</div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  gurobi_constraint_basis_status.reserve(num_gurobi_constraints());</div>
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<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : <a class="code" href="namespaceoperations__research_1_1math__opt.html#ac17be684f3a6337b38f287c0a1e8c691">MakeView</a>(basis.constraint_status())) {</div>
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<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keyword">const</span> ConstraintData& constraint_data = linear_constraints_map_.<a class="code" href="classgtl_1_1linked__hash__map.html#ae808caa4f950111fd95d2d61441bad93">at</a>(<span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="comment">// Non-ranged constraints</span></div>
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">if</span> (constraint_data.slack_index == kUnspecifiedIndex) {</div>
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<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == BasisStatus::BASIC) {</div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  gurobi_constraint_basis_status.push_back(kGrbBasicConstraint);</div>
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  gurobi_constraint_basis_status.push_back(kGrbNonBasicConstraint);</div>
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  }</div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="comment">// Ranged constraints</span></div>
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<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == BasisStatus::BASIC) {</div>
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<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">// Either constraint or MathOpt slack is basic, but not both (because</span></div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">// columns for MathOpt slack and internal Gurobi slack are linearly</span></div>
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<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">// dependent). We choose the MathOpt slack to be basic.</span></div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  gurobi_variable_basis_status[constraint_data.slack_index] = <a class="code" href="environment_8h.html#ad08f48647c5d65e49bcf5d85af8ea724">GRB_BASIC</a>;</div>
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<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  gurobi_constraint_basis_status.push_back(kGrbNonBasicConstraint);</div>
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<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  gurobi_variable_basis_status[constraint_data.slack_index] =</div>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  GrbVariableStatus(<span class="keyword">static_cast<</span>BasisStatus<span class="keyword">></span>(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  gurobi_constraint_basis_status.push_back(kGrbNonBasicConstraint);</div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  }</div>
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  }</div>
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ae77d52eaf76f5d22e25053992ff856c8">GRBsetintattrarray</a>(</div>
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<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*attrname=*/</span><a class="code" href="environment_8h.html#a29ebfd349621b3bdff29bedc3a30a547">GRB_INT_ATTR_VBASIS</a>,</div>
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<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="comment">/*first=*/</span>0, <span class="comment">/*len=*/</span>gurobi_variable_basis_status.size(),</div>
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<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="comment">/*newvalues=*/</span>gurobi_variable_basis_status.data()));</div>
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<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ae77d52eaf76f5d22e25053992ff856c8">GRBsetintattrarray</a>(</div>
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<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*attrname=*/</span><a class="code" href="environment_8h.html#ac62018893f550c089f864ee7b930a577">GRB_INT_ATTR_CBASIS</a>,</div>
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<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="comment">/*first=*/</span>0, <span class="comment">/*len=*/</span>gurobi_constraint_basis_status.size(),</div>
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<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="comment">/*newvalues=*/</span>gurobi_constraint_basis_status.data()));</div>
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  </div>
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> }</div>
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  </div>
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<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> absl::StatusOr<BasisProto> GurobiSolver::GetGurobiBasis() {</div>
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<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  BasisProto basis;</div>
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  </div>
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<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  std::vector<int> gurobi_variable_basis_status(num_gurobi_variables_);</div>
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(GetIntAttrArray(</div>
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<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <a class="code" href="environment_8h.html#a29ebfd349621b3bdff29bedc3a30a547">GRB_INT_ATTR_VBASIS</a>, absl::MakeSpan(gurobi_variable_basis_status)));</div>
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<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
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<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> [variable_id, gurobi_variable_index] : variables_map_) {</div>
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<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  basis.mutable_variable_status()->add_ids(variable_id);</div>
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|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keyword">const</span> BasisStatus variable_status = ConvertVariableStatus(</div>
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<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  gurobi_variable_basis_status[gurobi_variable_index]);</div>
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<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> (variable_status == BasisStatus::INVALID) {</div>
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<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  absl::StrCat(<span class="stringliteral">"Invalid Gurobi variable basis status: "</span>,</div>
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<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  gurobi_variable_basis_status[gurobi_variable_index]));</div>
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<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  }</div>
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<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  basis.mutable_variable_status()->add_values(variable_status);</div>
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<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  }</div>
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<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  </div>
|
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<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  std::vector<int> gurobi_constraint_basis_status(num_gurobi_constraints());</div>
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|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(GetIntAttrArray(</div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <a class="code" href="environment_8h.html#ac62018893f550c089f864ee7b930a577">GRB_INT_ATTR_CBASIS</a>, absl::MakeSpan(gurobi_constraint_basis_status)));</div>
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<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> [constraint_id, gurobi_data] : linear_constraints_map_) {</div>
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|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  basis.mutable_constraint_status()->add_ids(constraint_id);</div>
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|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> gurobi_constraint_status =</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  gurobi_constraint_basis_status[gurobi_data.constraint_index];</div>
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<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span> ((gurobi_constraint_status != kGrbBasicConstraint) &&</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  (gurobi_constraint_status != kGrbNonBasicConstraint)) {</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  absl::StrCat(<span class="stringliteral">"Invalid Gurobi constraint basis status: "</span>,</div>
|
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  gurobi_constraint_status));</div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  }</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="comment">// linear_terms <= upper_bound</span></div>
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|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keywordflow">if</span> (gurobi_data.lower_bound <= -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  gurobi_data.upper_bound < <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
|
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<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">if</span> (gurobi_constraint_status == kGrbBasicConstraint) {</div>
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<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  basis.mutable_constraint_status()->add_values(BasisStatus::BASIC);</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  basis.mutable_constraint_status()->add_values(</div>
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<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  BasisStatus::AT_UPPER_BOUND);</div>
|
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<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  }</div>
|
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<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">// linear_terms >= lower_bound</span></div>
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|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (gurobi_data.lower_bound > -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
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<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  gurobi_data.upper_bound >= <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
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<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">if</span> (gurobi_constraint_status == kGrbBasicConstraint) {</div>
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<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  basis.mutable_constraint_status()->add_values(BasisStatus::BASIC);</div>
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<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  basis.mutable_constraint_status()->add_values(</div>
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<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  BasisStatus::AT_LOWER_BOUND);</div>
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<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div>
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<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="comment">// linear_terms == xxxxx_bound</span></div>
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<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (gurobi_data.lower_bound == gurobi_data.upper_bound) {</div>
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<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">if</span> (gurobi_constraint_status == kGrbBasicConstraint) {</div>
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|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  basis.mutable_constraint_status()->add_values(BasisStatus::BASIC);</div>
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<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="comment">// TODO(user): consider refining this to</span></div>
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<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="comment">// AT_LOWER_BOUND/AT_UPPER_BOUND using the sign of the dual variable.</span></div>
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<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  basis.mutable_constraint_status()->add_values(BasisStatus::FIXED_VALUE);</div>
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|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  }</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="comment">// linear_term - slack == 0 (ranged constraint)</span></div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keyword">const</span> BasisStatus slack_status = ConvertVariableStatus(</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  gurobi_variable_basis_status[gurobi_data.slack_index]);</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">if</span> (slack_status == BasisStatus::INVALID) {</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="keywordflow">return</span> absl::InternalError(absl::StrCat(</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="stringliteral">"Invalid Gurobi slack variable basis status: "</span>, slack_status));</div>
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|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  }</div>
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<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordflow">if</span> ((gurobi_constraint_status == kGrbBasicConstraint) ||</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  (slack_status == BasisStatus::BASIC)) {</div>
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<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  basis.mutable_constraint_status()->add_values(BasisStatus::BASIC);</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  basis.mutable_constraint_status()->add_values(slack_status);</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  }</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  }</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keywordflow">return</span> basis;</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> }</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  </div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="comment">// See go/mathopt-dev-transformations#gurobi-inf for details of this</span></div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="comment">// transformation, comments inside the function refer to the notation there.</span></div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> absl::StatusOr<DualRayProto> GurobiSolver::GetGurobiDualRay(</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keyword">const</span> SparseVectorFilterProto& linear_constraints_filter,</div>
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<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keyword">const</span> SparseVectorFilterProto& variables_filter, <span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize) {</div>
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<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="comment">// farkas_dual = lambda</span></div>
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<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  std::vector<double> farkas_dual(num_gurobi_constraints());</div>
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<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
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<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  GetDoubleAttrArray(<a class="code" href="environment_8h.html#ad4f15b204103e9839f45c2da44bff576">GRB_DBL_ATTR_FARKASDUAL</a>, absl::MakeSpan(farkas_dual)));</div>
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<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  DualRayProto dual_ray;</div>
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<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  </div>
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<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">// Compute y = -lambda</span></div>
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<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  {</div>
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<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  SparseVectorFilterPredicate predicate(linear_constraints_filter);</div>
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<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> [constraint_id, gurobi_data] : linear_constraints_map_) {</div>
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<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="comment">// constraint_dual_value = y[constraint_id]</span></div>
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<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = -farkas_dual[gurobi_data.constraint_index];</div>
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<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(constraint_id, <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  dual_ray.mutable_dual_values()->add_ids(constraint_id);</div>
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<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">if</span> (is_maximize) {</div>
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<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  dual_ray.mutable_dual_values()->add_values(-<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  dual_ray.mutable_dual_values()->add_values(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  }</div>
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<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  }</div>
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<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  }</div>
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<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  }</div>
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<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  </div>
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<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="comment">// Compute r = \bar{a} = A^T lambda</span></div>
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<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  std::vector<int> constraint_indices(num_gurobi_constraints());</div>
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<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  std::vector<double> <a class="code" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a>(num_gurobi_constraints());</div>
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<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  {</div>
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<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  SparseVectorFilterPredicate predicate(variables_filter);</div>
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<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> [var_id, gurobi_variable_index] : variables_map_) {</div>
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<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="comment">// reduced_cost_value = r[gurobi_variable_index]</span></div>
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<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="comment">// = \bar{a}[gurobi_variable_index]</span></div>
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<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordtype">double</span> reduced_cost_value = 0.0;</div>
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<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordtype">int</span> result_size;</div>
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<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordtype">int</span> vbeg;</div>
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<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="comment">// coefficients = column gurobi_variable_index of A</span></div>
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<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#aed6d90d614faac7e243e091d829e1e61">GRBgetvars</a>(</div>
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<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  gurobi_model_, &result_size, &vbeg, constraint_indices.data(),</div>
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<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <a class="code" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a>.data(), gurobi_variable_index, 1));</div>
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<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < result_size; ++i) {</div>
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<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  reduced_cost_value +=</div>
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<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  farkas_dual[constraint_indices[i]] * <a class="code" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a>[i];</div>
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<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  }</div>
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<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(var_id, reduced_cost_value)) {</div>
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<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  dual_ray.mutable_reduced_costs()->add_ids(var_id);</div>
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<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">if</span> (is_maximize) {</div>
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<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  dual_ray.mutable_reduced_costs()->add_values(-reduced_cost_value);</div>
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<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  dual_ray.mutable_reduced_costs()->add_values(reduced_cost_value);</div>
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<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  }</div>
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<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  }</div>
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|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
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|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  }</div>
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<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">return</span> dual_ray;</div>
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<div class="line"><a name="l00656"></a><span class="lineno"> 656</span> }</div>
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<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  </div>
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<div class="line"><a name="l00658"></a><span class="lineno"> 658</span> absl::Status GurobiSolver::ExtractSolveResultProto(</div>
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<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize, SolveResultProto& result,</div>
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<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
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<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordtype">int</span> num_solutions = 0;</div>
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<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#aeccf22a77ad72039e023c83e9afcf76a">GRB_INT_ATTR_SOLCOUNT</a>)) {</div>
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<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(num_solutions, GetIntAttr(<a class="code" href="environment_8h.html#aeccf22a77ad72039e023c83e9afcf76a">GRB_INT_ATTR_SOLCOUNT</a>));</div>
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|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  }</div>
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<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>)) {</div>
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<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
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<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  GetIntAttr(<a class="code" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
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|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  </div>
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<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_feasible_solution = num_solutions > 0;</div>
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|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  </div>
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<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keyword">const</span> <span class="keyword">auto</span> reason_and_detail,</div>
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<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  ConvertTerminationReason(grb_termination, has_feasible_solution));</div>
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|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  result.set_termination_reason(reason_and_detail.first);</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  result.set_termination_detail(reason_and_detail.second);</div>
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|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  }</div>
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<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>)) {</div>
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<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> obj_val, GetDoubleAttr(<a class="code" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>));</div>
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<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  result.mutable_solve_stats()->set_best_primal_bound(obj_val);</div>
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|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  result.mutable_solve_stats()->set_best_primal_bound(is_maximize ? -kInf</div>
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<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  : kInf);</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  }</div>
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|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#afa4f5e674caa662471e849ba775a755d">GRB_DBL_ATTR_OBJBOUND</a>)) {</div>
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<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> obj_bound,</div>
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<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  GetDoubleAttr(<a class="code" href="environment_8h.html#afa4f5e674caa662471e849ba775a755d">GRB_DBL_ATTR_OBJBOUND</a>));</div>
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<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  result.mutable_solve_stats()->set_best_dual_bound(obj_bound);</div>
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|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  result.mutable_solve_stats()->set_best_dual_bound(is_maximize ? kInf</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  : -kInf);</div>
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|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  }</div>
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|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#a3f863a94da605ae51aa79a9d547bc9ac">GRB_DBL_ATTR_ITERCOUNT</a>)) {</div>
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<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> simplex_iters_double,</div>
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<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  GetDoubleAttr(<a class="code" href="environment_8h.html#a3f863a94da605ae51aa79a9d547bc9ac">GRB_DBL_ATTR_ITERCOUNT</a>));</div>
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<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> int64_t simplex_iters,</div>
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|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  SafeInt64FromDouble(simplex_iters_double));</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  result.mutable_solve_stats()->set_simplex_iterations(simplex_iters);</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  }</div>
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<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#acfc0e9dcfa5ab9c9e845147459965929">GRB_INT_ATTR_BARITERCOUNT</a>)) {</div>
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<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> barrier_iters,</div>
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|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  GetIntAttr(<a class="code" href="environment_8h.html#acfc0e9dcfa5ab9c9e845147459965929">GRB_INT_ATTR_BARITERCOUNT</a>));</div>
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|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  result.mutable_solve_stats()->set_barrier_iterations(barrier_iters);</div>
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|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  }</div>
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|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#a3330ab2eaa22ccaebe6eb75acc71913c">GRB_DBL_ATTR_NODECOUNT</a>)) {</div>
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<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> nodes_double,</div>
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|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  GetDoubleAttr(<a class="code" href="environment_8h.html#a3330ab2eaa22ccaebe6eb75acc71913c">GRB_DBL_ATTR_NODECOUNT</a>));</div>
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|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> int64_t <a class="code" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>, SafeInt64FromDouble(nodes_double));</div>
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|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  result.mutable_solve_stats()->set_node_count(<a class="code" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>);</div>
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|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  }</div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  </div>
|
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<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_solutions; ++i) {</div>
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|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  PrimalSolutionProto* <span class="keyword">const</span> primal_solution = result.add_primal_solutions();</div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordtype">double</span> sol_val;</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  std::vector<double> grb_var_values(num_gurobi_variables_);</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="comment">// TODO(user): there seems to be some kind of issue with Gurobi where</span></div>
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|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">// GRB_DBL_ATTR_POOLOBJVAL is not always filled in when when there is</span></div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="comment">// one, solution, probably a bug.</span></div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">if</span> (i == 0) {</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(sol_val, GetDoubleAttr(<a class="code" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>));</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  GetDoubleAttrArray(<a class="code" href="environment_8h.html#aa79252cac30162280cee77fcad392fe2">GRB_DBL_ATTR_X</a>, absl::MakeSpan(grb_var_values)));</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <a class="code" href="namespaceoperations__research.html#a458a2341c2bfe0530114105a7a42c183">GRBsetintparam</a>(active_env_, <a class="code" href="environment_8h.html#ae2331888cbb54036f3711f1fcc108713">GRB_INT_PAR_SOLUTIONNUMBER</a>, i))</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  << <span class="stringliteral">"Error setting solution to "</span> << i;</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(sol_val, GetDoubleAttr(<a class="code" href="environment_8h.html#adcdd0acb46a250186f4f17e9a3113bab">GRB_DBL_ATTR_POOLOBJVAL</a>));</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  GetDoubleAttrArray(<a class="code" href="environment_8h.html#a64c5813d650c7b30c0d6c10581a51de4">GRB_DBL_ATTR_XN</a>, absl::MakeSpan(grb_var_values)));</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  }</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  primal_solution->set_objective_value(sol_val);</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  GurobiVectorToSparseDoubleVector(</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  grb_var_values, variables_map_,</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  *primal_solution->mutable_variable_values(),</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  model_parameters.primal_variables_filter());</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  }</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="comment">// TODO(user): support getting infeasibility proofs, and basis.</span></div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="comment">// If model is LP, get dual solutions</span></div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="comment">// Note that we can ignore the reduced costs of the slack variables for ranged</span></div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="comment">// constraints because of</span></div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <span class="comment">// go/mathopt-dev-transformations#slack-var-range-constraint</span></div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_lp, IsLP());</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="keywordflow">if</span> (is_lp && <a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#a53f9ffb4546f1effaf87839a42adeaa3">GRB_DBL_ATTR_PI</a>) &&</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#a9112d4d1eeee1c4fb4043ea044693bcb">GRB_DBL_ATTR_RC</a>)) {</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  std::vector<double> grb_constraint_duals(num_gurobi_constraints());</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(GetDoubleAttrArray(<a class="code" href="environment_8h.html#a53f9ffb4546f1effaf87839a42adeaa3">GRB_DBL_ATTR_PI</a>,</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  absl::MakeSpan(grb_constraint_duals)));</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  DualSolutionProto* <span class="keyword">const</span> dual_solution = result.add_dual_solutions();</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> obj_val, GetDoubleAttr(<a class="code" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>));</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  dual_solution->set_objective_value(obj_val);</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  GurobiVectorToSparseDoubleVector(</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  grb_constraint_duals, linear_constraints_map_,</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  *dual_solution->mutable_dual_values(),</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  model_parameters.dual_linear_constraints_filter());</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  </div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  std::vector<double> grb_reduced_cost_values(num_gurobi_variables_);</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(GetDoubleAttrArray(</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <a class="code" href="environment_8h.html#a9112d4d1eeee1c4fb4043ea044693bcb">GRB_DBL_ATTR_RC</a>, absl::MakeSpan(grb_reduced_cost_values)));</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  GurobiVectorToSparseDoubleVector(grb_reduced_cost_values, variables_map_,</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  *dual_solution->mutable_reduced_costs(),</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  model_parameters.dual_variables_filter());</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  }</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">if</span> (is_lp && <a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#af93d44f6be543de20e57b6cf0f081a78">GRB_DBL_ATTR_UNBDRAY</a>)) {</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  std::vector<double> grb_ray_var_values(num_gurobi_variables_);</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(GetDoubleAttrArray(<a class="code" href="environment_8h.html#af93d44f6be543de20e57b6cf0f081a78">GRB_DBL_ATTR_UNBDRAY</a>,</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  absl::MakeSpan(grb_ray_var_values)));</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  PrimalRayProto* <span class="keyword">const</span> primal_ray = result.add_primal_rays();</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  GurobiVectorToSparseDoubleVector(</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  grb_ray_var_values, variables_map_,</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  *primal_ray->mutable_variable_values(),</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  model_parameters.primal_variables_filter());</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  }</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordflow">if</span> (is_lp && <a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#ad4f15b204103e9839f45c2da44bff576">GRB_DBL_ATTR_FARKASDUAL</a>)) {</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  DualRayProto dual_ray,</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  GetGurobiDualRay(model_parameters.dual_linear_constraints_filter(),</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  model_parameters.dual_variables_filter(),</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  is_maximize));</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  result.mutable_dual_rays()->Add(std::move(dual_ray));</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  }</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">if</span> (is_lp && <a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#a29ebfd349621b3bdff29bedc3a30a547">GRB_INT_ATTR_VBASIS</a>) &&</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <a class="code" href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">GRBisattravailable</a>(gurobi_model_, <a class="code" href="environment_8h.html#ac62018893f550c089f864ee7b930a577">GRB_INT_ATTR_CBASIS</a>)) {</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(BasisProto basis, GetGurobiBasis());</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  result.mutable_basis()->Add(std::move(basis));</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  }</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> }</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  </div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> absl::Status GurobiSolver::SetParameter(<span class="keyword">const</span> std::string& param_name,</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="keyword">const</span> std::string& param_value) {</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <a class="code" href="namespaceoperations__research.html#a2e34f6a0dfee062d8994464725328201">GRBsetparam</a>(active_env_, param_name.c_str(), param_value.c_str()))</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  << <span class="stringliteral">"Error setting parameter: "</span> << param_name << <span class="stringliteral">" to value "</span></div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  << param_value;</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span> }</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  </div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span> absl::Status GurobiSolver::ResetParameters() {</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a7cceb4c997fc06f43522a150e7a42791">GRBresetparams</a>(active_env_))</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  << <span class="stringliteral">"Error reseting parameters"</span>;</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span> }</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  </div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> std::vector<absl::Status> GurobiSolver::SetParameters(</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keyword">const</span> SolveParametersProto& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(active_env_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keyword">const</span> GurobiParametersProto gurobi_parameters = MergeParameters(</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.common_parameters(), <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.gurobi_parameters());</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  std::vector<absl::Status> parameter_errors;</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> GurobiParametersProto::Parameter& parameter :</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  gurobi_parameters.parameters()) {</div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  absl::Status param_status =</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  SetParameter(parameter.name(), parameter.value());</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="keywordflow">if</span> (!param_status.ok()) {</div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  parameter_errors.emplace_back(std::move(param_status));</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  }</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  }</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">return</span> parameter_errors;</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> }</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  </div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> absl::Status GurobiSolver::AddNewVariables(</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keyword">const</span> VariablesProto& new_variables) {</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_new_variables = new_variables.lower_bounds().size();</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  </div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  std::vector<char> variable_type(num_new_variables);</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  std::vector<char*> variable_names;</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_variable_names = !new_variables.names().empty();</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="keywordflow">if</span> (has_variable_names) {</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  variable_names.reserve(num_new_variables);</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  }</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < num_new_variables; ++j) {</div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keyword">const</span> VariableId <span class="keywordtype">id</span> = new_variables.ids(j);</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <a class="code" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&variables_map_, <span class="keywordtype">id</span>, j + num_gurobi_variables_);</div>
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|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  variable_type[j] = new_variables.integers(j) ? <a class="code" href="environment_8h.html#a5303a1a44e057e9af71c89e9e5c67299">GRB_INTEGER</a> : <a class="code" href="environment_8h.html#a6cc9be6c5a5942fae165ac67f0b55c09">GRB_CONTINUOUS</a>;</div>
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<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <span class="keywordflow">if</span> (has_variable_names) {</div>
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|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  variable_names.emplace_back(</div>
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|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keyword">const_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(new_variables.names(j).c_str()));</div>
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<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  }</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  }</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  </div>
|
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<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#aedf79171b78a3eb8a961a2711de9899f">GRBaddvars</a>(</div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  gurobi_model_, <span class="comment">/*numvars=*/</span>num_new_variables,</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="comment">/*numnz=*/</span>0, <span class="comment">/*vbeg=*/</span><span class="keyword">nullptr</span>, <span class="comment">/*vind=*/</span><span class="keyword">nullptr</span>, <span class="comment">/*vval=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <span class="comment">/*obj=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="comment">/*lb=*/</span><span class="keyword">const_cast<</span><span class="keywordtype">double</span>*<span class="keyword">></span>(new_variables.lower_bounds().data()),</div>
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|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="comment">/*ub=*/</span><span class="keyword">const_cast<</span><span class="keywordtype">double</span>*<span class="keyword">></span>(new_variables.upper_bounds().data()),</div>
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|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="comment">/*vtype=*/</span>variable_type.data(),</div>
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|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="comment">/*varnames=*/</span>has_variable_names ? variable_names.data() : <span class="keyword">nullptr</span>));</div>
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|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  num_gurobi_variables_ += num_new_variables;</div>
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<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  </div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> }</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  </div>
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<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> <span class="comment">// Given a vector of pairs<LinearConstraintId,ConstraintData&> add a slack</span></div>
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|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span> <span class="comment">// variable for each of the constraints in the underlying `gurobi_model_`</span></div>
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|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> <span class="comment">// using the referenced bounds.</span></div>
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<div class="line"><a name="l00857"></a><span class="lineno"> 857</span> absl::Status GurobiSolver::AddNewSlacks(</div>
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<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keyword">const</span> std::vector<SlackInfo>& new_slacks) {</div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="comment">// Note that we are really adding the sub-matrix</span></div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="comment">// D * slack</span></div>
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|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="comment">// to the set of linear constraints, and the D matrix is stored in compressed</span></div>
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|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="comment">// sparse column (CSC) format. In our particular case, D is a diagonal matrix</span></div>
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|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="comment">// with -1.0 coefficients for each new slack in the row indicated in the</span></div>
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|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="comment">// row_indices vector.</span></div>
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|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_slacks = new_slacks.size();</div>
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|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keywordflow">if</span> (num_slacks == 0) {</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  }</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="comment">// Build the D matrix in CSC format.</span></div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  std::vector<double> column_non_zeros(num_slacks, -1.0);</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  std::vector<double> <a class="code" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>;</div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  std::vector<double> <a class="code" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>;</div>
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|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  std::vector<GurobiLinearConstraintIndex> row_indices;</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  std::vector<int> column_non_zero_begin;</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  column_non_zero_begin.reserve(num_slacks);</div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  row_indices.reserve(num_slacks);</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <a class="code" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>.reserve(num_slacks);</div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <a class="code" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>.reserve(num_slacks);</div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < num_slacks; ++k) {</div>
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|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keyword">auto</span>& [id, constraint_data] = new_slacks[k];</div>
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|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <a class="code" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&slack_map_, <span class="keywordtype">id</span>, constraint_data);</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  row_indices.emplace_back(constraint_data.constraint_index);</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <a class="code" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>.emplace_back(constraint_data.lower_bound);</div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <a class="code" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>.emplace_back(constraint_data.upper_bound);</div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  column_non_zero_begin.emplace_back(k);</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  }</div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="comment">// Add variables to the underlying model.</span></div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#aedf79171b78a3eb8a961a2711de9899f">GRBaddvars</a>(</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*numvars=*/</span>num_slacks, <span class="comment">/*numnz=*/</span>num_slacks,</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="comment">/*vbeg=*/</span>column_non_zero_begin.data(), <span class="comment">/*vind=*/</span>row_indices.data(),</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="comment">/*vval=*/</span>column_non_zeros.data(), <span class="comment">/*obj=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="comment">/*lb=*/</span><a class="code" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>.data(), <span class="comment">/*ub=*/</span><a class="code" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>.data(),</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="comment">/*vtype=*/</span><span class="keyword">nullptr</span>, <span class="comment">/*varnames=*/</span><span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  num_gurobi_variables_ += num_slacks;</div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span> }</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  </div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> absl::Status GurobiSolver::AddNewConstraints(</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="keyword">const</span> LinearConstraintsProto& constraints) {</div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_model_constraints = num_gurobi_constraints();</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_new_constraints = constraints.lower_bounds().size();</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  </div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_constraint_names = !constraints.names().empty();</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  std::vector<char*> constraint_names;</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="keywordflow">if</span> (has_constraint_names) {</div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  constraint_names.reserve(num_new_constraints);</div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  }</div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="comment">// Constraints are translated into:</span></div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="comment">// 1. ax <= upper_bound (if lower bound <= -GRB_INFINITY, and upper_bound</span></div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="comment">// is finite and less than GRB_INFINITY)</span></div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="comment">// 2. ax >= lower_bound (if upper bound >= GRB_INFINITY, and lower_bound is</span></div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="comment">// finite and greater than -GRB_INFINITY)</span></div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="comment">// 3. ax == xxxxx_bound (if both bounds are finite, equal, and their</span></div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="comment">// absolute values less than GRB_INFINITY)</span></div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="comment">// 4. ax - slack = 0.0 (otherwise,</span></div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  <span class="comment">// slack bounds == [lower_bound, upper_bound])</span></div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  std::vector<double> constraint_rhs;</div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  std::vector<char> constraint_sense;</div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  std::vector<SlackInfo> new_slacks;</div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  constraint_rhs.reserve(num_new_constraints);</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  constraint_sense.reserve(num_new_constraints);</div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  new_slacks.reserve(num_new_constraints);</div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_new_constraints; ++i) {</div>
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|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="keyword">const</span> int64_t <span class="keywordtype">id</span> = constraints.ids(i);</div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  ConstraintData& constraint_data =</div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  <a class="code" href="namespacegtl.html#ace5fe2f7b4faae01b39351af5791a223">gtl::InsertKeyOrDie</a>(&linear_constraints_map_, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  constraint_data.lower_bound = constraints.lower_bounds(i);</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  constraint_data.upper_bound = constraints.upper_bounds(i);</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  constraint_data.constraint_index = i + num_model_constraints;</div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <span class="keywordtype">char</span> sense = <a class="code" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>;</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordtype">double</span> rhs = 0.0;</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="comment">// Detect the type of constraint to add and store RHS and bounds.</span></div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordflow">if</span> (constraint_data.lower_bound <= -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  constraint_data.upper_bound < <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  rhs = constraint_data.upper_bound;</div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  sense = <a class="code" href="environment_8h.html#ad789b60cb2feff34abddf416dcdba0c9">GRB_LESS_EQUAL</a>;</div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (constraint_data.lower_bound > -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  constraint_data.upper_bound >= <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  rhs = constraint_data.lower_bound;</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  sense = <a class="code" href="environment_8h.html#a2f1213e965bc4f4239c9178b6e8af074">GRB_GREATER_EQUAL</a>;</div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (constraint_data.lower_bound == constraint_data.upper_bound) {</div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  rhs = constraint_data.lower_bound;</div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  sense = <a class="code" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>;</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="comment">// Note that constraints where the lower bound and the upper bound are</span></div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="comment">// -+infinity translate into a range constraint with an unbounded slack.</span></div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  constraint_data.slack_index = new_slacks.size() + num_gurobi_variables_;</div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  new_slacks.emplace_back(<span class="keywordtype">id</span>, constraint_data);</div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  }</div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  constraint_rhs.emplace_back(rhs);</div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  constraint_sense.emplace_back(sense);</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  <span class="keywordflow">if</span> (has_constraint_names) {</div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  constraint_names.emplace_back(</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="keyword">const_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(constraints.names(i).c_str()));</div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  }</div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  }</div>
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|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="comment">// Add all constraints in one call.</span></div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a3fba738afeda2bccadc516a3dd6898d6">GRBaddconstrs</a>(</div>
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<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  gurobi_model_, <span class="comment">/*numconstrs=*/</span>num_new_constraints,</div>
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|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="comment">/*numnz=*/</span>0, <span class="comment">/*cbeg=*/</span><span class="keyword">nullptr</span>, <span class="comment">/*cind=*/</span><span class="keyword">nullptr</span>, <span class="comment">/*cval=*/</span><span class="keyword">nullptr</span>,</div>
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<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="comment">/*sense=*/</span>constraint_sense.data(), <span class="comment">/*rhs=*/</span>constraint_rhs.data(),</div>
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|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="comment">/*constrnames=*/</span></div>
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|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  has_constraint_names ? constraint_names.data() : <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  </div>
|
|
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <span class="comment">// Add slacks for true ranged constraints (if needed)</span></div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <span class="keywordflow">if</span> (!new_slacks.empty()) {</div>
|
|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewSlacks(new_slacks));</div>
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|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  }</div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> }</div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  </div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> absl::Status GurobiSolver::ChangeCoefficients(</div>
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<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keyword">const</span> SparseDoubleMatrixProto& matrix) {</div>
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|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_coefficients = matrix.row_ids().size();</div>
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|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  std::vector<GurobiLinearConstraintIndex> row_index(num_coefficients);</div>
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|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  std::vector<GurobiVariableIndex> col_index(num_coefficients);</div>
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|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < num_coefficients; ++k) {</div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  row_index[k] =</div>
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<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  linear_constraints_map_.at(matrix.row_ids(k)).constraint_index;</div>
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|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  col_index[k] = variables_map_.at(matrix.column_ids(k));</div>
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|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  }</div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keywordtype">double</span>* <span class="keyword">const</span> new_values = <span class="keyword">const_cast<</span><span class="keywordtype">double</span>*<span class="keyword">></span>(matrix.coefficients().data());</div>
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|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
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|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <a class="code" href="namespaceoperations__research.html#a6f5b8fa2fe40cae954681ba04e9cbb72">GRBchgcoeffs</a>(<span class="comment">/*model=*/</span>gurobi_model_,</div>
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|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="comment">/*cnt=*/</span>num_coefficients, <span class="comment">/*cind=*/</span>row_index.data(),</div>
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|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="comment">/*vind=*/</span>col_index.data(), <span class="comment">/*val=*/</span>new_values));</div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> }</div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  </div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> absl::Status GurobiSolver::UpdateDoubleListAttribute(</div>
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|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="keyword">const</span> SparseDoubleVectorProto& update, <span class="keyword">const</span> <span class="keywordtype">char</span>* attribute_name,</div>
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|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="keyword">const</span> IdHashMap& id_hash_map) {</div>
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|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> sparse_length = update.ids().size();</div>
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|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="keywordflow">if</span> (sparse_length == 0) {</div>
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|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  }</div>
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|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  </div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  std::vector<int> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>(sparse_length);</div>
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|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < sparse_length; ++k) {</div>
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|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>[k] = id_hash_map.at(update.ids(k));</div>
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|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  }</div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  </div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordtype">double</span>* <span class="keyword">const</span> new_values = <span class="keyword">const_cast<</span><span class="keywordtype">double</span>*<span class="keyword">></span>(update.values().data());</div>
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|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <a class="code" href="namespaceoperations__research.html#a1a3204269ce35fdfb007daa36385d076">GRBsetdblattrlist</a>(<span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*attrname=*/</span>attribute_name,</div>
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|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="comment">/*len=*/</span>sparse_length, <span class="comment">/*ind=*/</span><a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.data(),</div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="comment">/*newvalues=*/</span>new_values));</div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span> }</div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  </div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#ab73414ea0a3ea1fdf4398722648b92e9"> 1014</a></span> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#ab73414ea0a3ea1fdf4398722648b92e9">GurobiSolver::~GurobiSolver</a>() {</div>
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|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <span class="keywordflow">if</span> (gurobi_model_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  std::string free_error = GurobiErrorMessage(<a class="code" href="namespaceoperations__research.html#a5d18796445ee5d664e591b74df135990">GRBfreemodel</a>(gurobi_model_));</div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="keywordflow">if</span> (!free_error.empty()) {</div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">ERROR</a>) << free_error;</div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  }</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  }</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="keywordflow">if</span> (master_env_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <a class="code" href="namespaceoperations__research.html#ad811d8a5b2cd5f5b1c3598fad842b00b">GRBfreeenv</a>(master_env_);</div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  }</div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  active_env_ = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  gurobi_model_ = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  master_env_ = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <span class="stringliteral">"Freed unmanaged Gurobi pointers"</span>;</div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> }</div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  </div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> absl::Status GurobiSolver::LoadModel(<span class="keyword">const</span> ModelProto& input_model) {</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#aa35705a0d741e9feb147aaa89b40e721">GRBsetstrattr</a>(gurobi_model_, <a class="code" href="environment_8h.html#a8d63d792ead16b09415eb5893ad09f9a">GRB_STR_ATTR_MODELNAME</a>,</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  input_model.name().c_str()));</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewVariables(input_model.variables()));</div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  </div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewConstraints(input_model.linear_constraints()));</div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  </div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ChangeCoefficients(input_model.linear_constraint_matrix()));</div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  </div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> model_sense =</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  input_model.objective().maximize() ? <a class="code" href="environment_8h.html#a1d47332af7cf793e9b5cc80998ea4afe">GRB_MAXIMIZE</a> : <a class="code" href="environment_8h.html#ad4477c4c3cade685194ae6957edce447">GRB_MINIMIZE</a>;</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <a class="code" href="namespaceoperations__research.html#a2f41a80190ebfeab50fd2cb4c66e51cb">GRBsetintattr</a>(gurobi_model_, <a class="code" href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a>, model_sense));</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ae6308440cc9d3ed5416cf5219f3e1fef">GRBsetdblattr</a>(gurobi_model_, <a class="code" href="environment_8h.html#a8ac6a4fedeff2448008534b7a90abafa">GRB_DBL_ATTR_OBJCON</a>,</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  input_model.objective().offset()));</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  UpdateDoubleListAttribute(input_model.objective().linear_coefficients(),</div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <a class="code" href="environment_8h.html#a728e19166cbf018cea2dd05dc67f7824">GRB_DBL_ATTR_OBJ</a>, variables_map_));</div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  </div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span> }</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  </div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span> <span class="comment">// Bound changes in constraints can induce new variables, and also remove</span></div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span> <span class="comment">// some slacks. We first add all new variables, and queue all deletions to be</span></div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span> <span class="comment">// dealt with later on.</span></div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span> absl::Status GurobiSolver::UpdateLinearConstraints(</div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  <span class="keyword">const</span> LinearConstraintUpdatesProto& constraints_update,</div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  std::vector<GurobiVariableIndex>& deleted_variables_index) {</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="keyword">const</span> SparseDoubleVectorProto& constraint_lower_bounds =</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  constraints_update.lower_bounds();</div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  <span class="keyword">const</span> SparseDoubleVectorProto& constraint_upper_bounds =</div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  constraints_update.upper_bounds();</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  </div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  <span class="comment">// If no update, just return.</span></div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <span class="keywordflow">if</span> (constraint_lower_bounds.ids().empty() &&</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  constraint_upper_bounds.ids().empty()) {</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  }</div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  </div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  <span class="comment">// We want to avoid changing the right-hand-side, sense, or slacks of each</span></div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <span class="comment">// constraint more than once. Since we can refer to the same constraint ID</span></div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="comment">// both in the `constraint_upper_bounds` and `constraint_lower_bounds` sparse</span></div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="comment">// vectors, we collect all changes into a single structure:</span></div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keyword">struct </span>UpdateConstraintData {</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  LinearConstraintId constraint_id;</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  ConstraintData& source;</div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <span class="keywordtype">double</span> new_lower_bound;</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  <span class="keywordtype">double</span> new_upper_bound;</div>
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<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  UpdateConstraintData(<span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>, ConstraintData& reference)</div>
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<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  : constraint_id(id),</div>
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<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  source(reference),</div>
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<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  new_lower_bound(reference.<a class="code" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>),</div>
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<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  new_upper_bound(reference.<a class="code" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {}</div>
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<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  };</div>
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<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> upper_bounds_size = constraint_upper_bounds.ids().size();</div>
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<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> lower_bounds_size = constraint_lower_bounds.ids().size();</div>
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<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  std::vector<UpdateConstraintData> update_vector;</div>
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<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  update_vector.reserve(upper_bounds_size + lower_bounds_size);</div>
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<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="comment">// We exploit the fact that IDs are sorted in increasing order to merge</span></div>
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<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  <span class="comment">// changes into a vector of aggregated changes.</span></div>
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<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> lower_index = 0, upper_index = 0;</div>
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<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  lower_index < lower_bounds_size || upper_index < upper_bounds_size;) {</div>
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<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  VariableId lower_id = <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
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<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <span class="keywordflow">if</span> (lower_index < lower_bounds_size) {</div>
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<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  lower_id = constraint_lower_bounds.ids(lower_index);</div>
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<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  }</div>
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<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  VariableId upper_id = <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
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<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  <span class="keywordflow">if</span> (upper_index < upper_bounds_size) {</div>
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<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  upper_id = constraint_upper_bounds.ids(upper_index);</div>
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<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  }</div>
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<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  <span class="keyword">const</span> VariableId <span class="keywordtype">id</span> = <a class="code" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(lower_id, upper_id);</div>
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<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<span class="keywordtype">id</span> < <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>());</div>
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<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  UpdateConstraintData update(<span class="keywordtype">id</span>, linear_constraints_map_.at(<span class="keywordtype">id</span>));</div>
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<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <span class="keywordflow">if</span> (lower_id == upper_id) {</div>
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<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  update.new_lower_bound = constraint_lower_bounds.values(lower_index++);</div>
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<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  update.new_upper_bound = constraint_upper_bounds.values(upper_index++);</div>
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<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lower_id < upper_id) {</div>
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<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  update.new_lower_bound = constraint_lower_bounds.values(lower_index++);</div>
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<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  } <span class="keywordflow">else</span> { <span class="comment">/* upper_id < lower_id */</span></div>
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<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  update.new_upper_bound = constraint_upper_bounds.values(upper_index++);</div>
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<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  }</div>
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<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  update_vector.emplace_back(update);</div>
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<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  }</div>
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<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  </div>
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<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="comment">// We have grouped all changes in update_vector, now generate changes in</span></div>
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<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <span class="comment">// slack bounds, rhs, senses, new slacks, and deleted_slacks (to be dealt</span></div>
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<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="comment">// with later, outside this function).</span></div>
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<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="comment">// These three vectors keep changes to right-hand-side and senses.</span></div>
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<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  std::vector<char> sense_data;</div>
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<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  std::vector<double> rhs_data;</div>
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<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  std::vector<GurobiLinearConstraintIndex> rhs_index;</div>
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<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  <span class="comment">// These three vectors keep changes to bounds on existing slack.</span></div>
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<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  std::vector<double> lower_bound_data;</div>
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<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  std::vector<double> upper_bound_data;</div>
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<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  std::vector<GurobiVariableIndex> bound_index;</div>
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<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <span class="comment">// This vector keep newly introduced slacks.</span></div>
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<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  std::vector<SlackInfo> new_slacks;</div>
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<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="comment">// Iterate on the changes, and populate the three possible changes.</span></div>
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<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <span class="keywordflow">for</span> (UpdateConstraintData& update_data : update_vector) {</div>
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<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> same_lower_bound =</div>
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<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  (update_data.source.lower_bound == update_data.new_lower_bound) ||</div>
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<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  ((update_data.source.lower_bound <= -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) &&</div>
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<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  (update_data.new_lower_bound <= -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>));</div>
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<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> same_upper_bound =</div>
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<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  (update_data.source.upper_bound == update_data.new_upper_bound) ||</div>
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<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  ((update_data.source.upper_bound >= <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) &&</div>
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<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  (update_data.new_upper_bound >= <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>));</div>
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<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="keywordflow">if</span> (same_upper_bound && same_lower_bound) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="comment">// Save into linear_constraints_map_[id] the new bounds for the linear</span></div>
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<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <span class="comment">// constraint.</span></div>
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<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  update_data.source.lower_bound = update_data.new_lower_bound;</div>
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<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  update_data.source.upper_bound = update_data.new_upper_bound;</div>
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<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <span class="keywordtype">bool</span> delete_slack = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  <span class="comment">// Detect the type of constraint to add and store RHS and bounds.</span></div>
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<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <span class="keywordflow">if</span> (update_data.new_lower_bound <= -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
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<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  update_data.new_upper_bound < <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
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<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  delete_slack = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  rhs_index.emplace_back(update_data.source.constraint_index);</div>
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<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  rhs_data.emplace_back(update_data.new_upper_bound);</div>
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<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  sense_data.emplace_back(<a class="code" href="environment_8h.html#ad789b60cb2feff34abddf416dcdba0c9">GRB_LESS_EQUAL</a>);</div>
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<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (update_data.new_lower_bound > -<a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
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<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  update_data.new_upper_bound >= <a class="code" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
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<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  delete_slack = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  rhs_index.emplace_back(update_data.source.constraint_index);</div>
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<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  rhs_data.emplace_back(update_data.new_lower_bound);</div>
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<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  sense_data.emplace_back(<a class="code" href="environment_8h.html#a2f1213e965bc4f4239c9178b6e8af074">GRB_GREATER_EQUAL</a>);</div>
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<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (update_data.new_lower_bound == update_data.new_upper_bound) {</div>
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<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  delete_slack = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  rhs_index.emplace_back(update_data.source.constraint_index);</div>
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<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  rhs_data.emplace_back(update_data.new_lower_bound);</div>
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<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  sense_data.emplace_back(<a class="code" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>);</div>
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<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  <span class="comment">// Note that constraints where the lower bound and the upper bound are</span></div>
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<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  <span class="comment">// -+infinity translated into a range constraint with an unbounded</span></div>
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<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  <span class="comment">// slack.</span></div>
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<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  <span class="keywordflow">if</span> (update_data.source.slack_index != kUnspecifiedIndex) {</div>
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<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  bound_index.emplace_back(update_data.source.slack_index);</div>
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<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  lower_bound_data.emplace_back(update_data.new_lower_bound);</div>
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<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  upper_bound_data.emplace_back(update_data.new_upper_bound);</div>
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<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  <span class="comment">// Note that if we add a new slack, we must both reset the sense and</span></div>
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<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <span class="comment">// right hand side for the inequality.</span></div>
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<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  rhs_index.emplace_back(update_data.source.constraint_index);</div>
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<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  rhs_data.emplace_back(0.0);</div>
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<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  sense_data.emplace_back(<a class="code" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>);</div>
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<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <span class="comment">// Update the slack_index in the linear_constraints_map_[id]</span></div>
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<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  update_data.source.slack_index =</div>
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<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  new_slacks.size() + num_gurobi_variables_;</div>
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<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  <span class="comment">// Save the data needed to add the new slack.</span></div>
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<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  new_slacks.emplace_back(update_data.constraint_id, update_data.source);</div>
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<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  }</div>
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<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  }</div>
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<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  <span class="comment">// If the constraint had a slack, and now is marked for deletion, we reset</span></div>
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<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  <span class="comment">// the stored slack_index in linear_constraints_map_[id] and save the index</span></div>
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<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  <span class="comment">// in the list of variables to be deleted later on.</span></div>
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<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  <span class="keywordflow">if</span> (delete_slack && update_data.source.slack_index != kUnspecifiedIndex) {</div>
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<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  deleted_variables_index.emplace_back(update_data.source.slack_index);</div>
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<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  update_data.source.slack_index = kUnspecifiedIndex;</div>
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<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  }</div>
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<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  }</div>
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<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  </div>
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<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  <span class="comment">// Pass down changes to Gurobi.</span></div>
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<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  <span class="keywordflow">if</span> (!rhs_index.empty()) {</div>
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<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a1a3204269ce35fdfb007daa36385d076">GRBsetdblattrlist</a>(</div>
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<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*attrname=*/</span><a class="code" href="environment_8h.html#aad88bdc3ebd15f9a0639e7e9db8d1850">GRB_DBL_ATTR_RHS</a>,</div>
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<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  <span class="comment">/*len=*/</span>rhs_index.size(), <span class="comment">/*ind=*/</span>rhs_index.data(),</div>
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<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="comment">/*newvalues=*/</span>rhs_data.data()));</div>
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<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ace35865bc90d203bec63cd8a3b568201">GRBsetcharattrlist</a>(</div>
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<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*attrname=*/</span><a class="code" href="environment_8h.html#ab9e8fb9ba7e90fd0a905802db64ec066">GRB_CHAR_ATTR_SENSE</a>,</div>
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<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  <span class="comment">/*len=*/</span>rhs_index.size(), <span class="comment">/*ind=*/</span>rhs_index.data(),</div>
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<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  <span class="comment">/*newvalues=*/</span>sense_data.data()));</div>
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<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  } <span class="comment">// rhs changes</span></div>
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<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <span class="keywordflow">if</span> (!bound_index.empty()) {</div>
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<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a1a3204269ce35fdfb007daa36385d076">GRBsetdblattrlist</a>(</div>
|
|
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  <span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*attrname=*/</span><a class="code" href="environment_8h.html#ae11f079a0448e1dd3ac0a4a5938a7a1d">GRB_DBL_ATTR_LB</a>,</div>
|
|
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  <span class="comment">/*len=*/</span>bound_index.size(), <span class="comment">/*ind=*/</span>bound_index.data(),</div>
|
|
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  <span class="comment">/*newvalues=*/</span>lower_bound_data.data()));</div>
|
|
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a1a3204269ce35fdfb007daa36385d076">GRBsetdblattrlist</a>(</div>
|
|
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  <span class="comment">/*model=*/</span>gurobi_model_, <span class="comment">/*attrname=*/</span><a class="code" href="environment_8h.html#a0a9e67177dc51990769f46c9eab75ced">GRB_DBL_ATTR_UB</a>,</div>
|
|
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  <span class="comment">/*len=*/</span>bound_index.size(), <span class="comment">/*ind=*/</span>bound_index.data(),</div>
|
|
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <span class="comment">/*newvalues=*/</span>upper_bound_data.data()));</div>
|
|
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  } <span class="comment">// Slack bound changes.</span></div>
|
|
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  </div>
|
|
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="keywordflow">if</span> (!new_slacks.empty()) {</div>
|
|
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewSlacks(new_slacks));</div>
|
|
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  }</div>
|
|
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span> }</div>
|
|
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  </div>
|
|
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span> <span class="comment">// This function re-assign indices for variables and constraints after</span></div>
|
|
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span> <span class="comment">// deletion. The updated indices are computed from the previous indices, sorted</span></div>
|
|
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span> <span class="comment">// in incremental form, but re-assigned so that all indices are contiguous</span></div>
|
|
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span> <span class="comment">// between [0, num_variables-1] and [0, num_linear_constraints-1].</span></div>
|
|
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span> <span class="comment">// This implementation exploit the fact that gtl::linked_hash_map preserves the</span></div>
|
|
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span> <span class="comment">// insertion order of whatever elements remain in the hash tables.</span></div>
|
|
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span> absl::Status GurobiSolver::UpdateGurobiIndices() {</div>
|
|
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  { <span class="comment">// Recover index of variables.</span></div>
|
|
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  GurobiVariableIndex next_index = 0;</div>
|
|
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  GurobiVariableIndex prev_index = kUnspecifiedIndex;</div>
|
|
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  <span class="keyword">auto</span> variable_it = variables_map_.begin();</div>
|
|
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  <span class="keyword">auto</span> slack_it = slack_map_.<a class="code" href="classgtl_1_1linked__hash__map.html#ad69bd11391be1a1dba5c8202259664f8">begin</a>();</div>
|
|
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  <span class="keywordflow">while</span> (variable_it != variables_map_.end() ||</div>
|
|
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  slack_it != slack_map_.<a class="code" href="classgtl_1_1linked__hash__map.html#acad38d52497a975bfb6f2f6acd76631f">end</a>()) {</div>
|
|
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  GurobiVariableIndex variable_index = <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int32_t>::max</a>();</div>
|
|
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  <span class="keywordflow">if</span> (variable_it != variables_map_.end()) {</div>
|
|
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  variable_index = variable_it->second;</div>
|
|
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  }</div>
|
|
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  GurobiVariableIndex slack_index = <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int32_t>::max</a>();</div>
|
|
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  <span class="keywordflow">if</span> (slack_it != slack_map_.<a class="code" href="classgtl_1_1linked__hash__map.html#acad38d52497a975bfb6f2f6acd76631f">end</a>()) {</div>
|
|
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  slack_index = slack_it->second.slack_index;</div>
|
|
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  }</div>
|
|
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(prev_index, variable_index);</div>
|
|
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(prev_index, slack_index);</div>
|
|
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  <a class="code" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(variable_index, slack_index);</div>
|
|
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  <span class="keywordflow">if</span> (slack_index < variable_index) {</div>
|
|
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  prev_index = slack_index;</div>
|
|
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  slack_it->second.slack_index = next_index++;</div>
|
|
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  ++slack_it;</div>
|
|
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  prev_index = variable_index;</div>
|
|
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  variable_it->second = next_index++;</div>
|
|
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  ++variable_it;</div>
|
|
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  }</div>
|
|
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  }</div>
|
|
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  <a class="code" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(next_index, num_gurobi_variables_);</div>
|
|
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  }</div>
|
|
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  { <span class="comment">// Recover index of constraints.</span></div>
|
|
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  GurobiLinearConstraintIndex next_constraint = 0;</div>
|
|
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  GurobiLinearConstraintIndex prev_constraint = kUnspecifiedConstraint;</div>
|
|
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& constraint_iterator : linear_constraints_map_) {</div>
|
|
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(prev_constraint, constraint_iterator.second.constraint_index);</div>
|
|
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  prev_constraint = constraint_iterator.second.constraint_index;</div>
|
|
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  constraint_iterator.second.constraint_index = next_constraint++;</div>
|
|
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  }</div>
|
|
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  <a class="code" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(next_constraint, num_gurobi_constraints());</div>
|
|
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  }</div>
|
|
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span> }</div>
|
|
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  </div>
|
|
<div class="line"><a name="l01270"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a4dc835d3171da48778de1bbea39f8448"> 1270</a></span> absl::Status <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a4dc835d3171da48778de1bbea39f8448">GurobiSolver::Update</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
|
|
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  </div>
|
|
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewVariables(model_update.new_variables()));</div>
|
|
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  </div>
|
|
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewConstraints(model_update.new_linear_constraints()));</div>
|
|
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  </div>
|
|
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  ChangeCoefficients(model_update.linear_constraint_matrix_updates()));</div>
|
|
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>  </div>
|
|
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  <span class="keywordflow">if</span> (model_update.objective_updates().has_direction_update()) {</div>
|
|
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> model_sense = model_update.objective_updates().direction_update()</div>
|
|
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  ? <a class="code" href="environment_8h.html#a1d47332af7cf793e9b5cc80998ea4afe">GRB_MAXIMIZE</a></div>
|
|
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  : <a class="code" href="environment_8h.html#ad4477c4c3cade685194ae6957edce447">GRB_MINIMIZE</a>;</div>
|
|
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  <a class="code" href="namespaceoperations__research.html#a2f41a80190ebfeab50fd2cb4c66e51cb">GRBsetintattr</a>(gurobi_model_, <a class="code" href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a>, model_sense));</div>
|
|
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  }</div>
|
|
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  </div>
|
|
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="keywordflow">if</span> (model_update.objective_updates().has_offset_update()) {</div>
|
|
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  <a class="code" href="namespaceoperations__research.html#ae6308440cc9d3ed5416cf5219f3e1fef">GRBsetdblattr</a>(gurobi_model_, <a class="code" href="environment_8h.html#a8ac6a4fedeff2448008534b7a90abafa">GRB_DBL_ATTR_OBJCON</a>,</div>
|
|
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  model_update.objective_updates().offset_update()));</div>
|
|
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  }</div>
|
|
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  </div>
|
|
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateDoubleListAttribute(</div>
|
|
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  model_update.objective_updates().linear_coefficients(), <a class="code" href="environment_8h.html#a728e19166cbf018cea2dd05dc67f7824">GRB_DBL_ATTR_OBJ</a>,</div>
|
|
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  variables_map_));</div>
|
|
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  </div>
|
|
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  UpdateDoubleListAttribute(model_update.variable_updates().lower_bounds(),</div>
|
|
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <a class="code" href="environment_8h.html#ae11f079a0448e1dd3ac0a4a5938a7a1d">GRB_DBL_ATTR_LB</a>, variables_map_));</div>
|
|
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  </div>
|
|
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  UpdateDoubleListAttribute(model_update.variable_updates().upper_bounds(),</div>
|
|
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  <a class="code" href="environment_8h.html#a0a9e67177dc51990769f46c9eab75ced">GRB_DBL_ATTR_UB</a>, variables_map_));</div>
|
|
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  </div>
|
|
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="keywordflow">if</span> (model_update.variable_updates().has_integers()) {</div>
|
|
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  <span class="keyword">const</span> SparseBoolVectorProto& update =</div>
|
|
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  model_update.variable_updates().integers();</div>
|
|
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> sparse_length = update.ids().size();</div>
|
|
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  std::vector<GurobiVariableIndex> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>(sparse_length);</div>
|
|
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  std::vector<char> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>(sparse_length);</div>
|
|
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < sparse_length; ++k) {</div>
|
|
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>[k] = variables_map_.at(update.ids(k));</div>
|
|
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>[k] = update.values(k) ? <a class="code" href="environment_8h.html#a5303a1a44e057e9af71c89e9e5c67299">GRB_INTEGER</a> : <a class="code" href="environment_8h.html#a6cc9be6c5a5942fae165ac67f0b55c09">GRB_CONTINUOUS</a>;</div>
|
|
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  }</div>
|
|
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ace35865bc90d203bec63cd8a3b568201">GRBsetcharattrlist</a>(</div>
|
|
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  gurobi_model_, <span class="comment">/*attrname=*/</span><a class="code" href="environment_8h.html#a87fb4e2c8417ac5561558e4218afff8e">GRB_CHAR_ATTR_VTYPE</a>, <span class="comment">/*len=*/</span>sparse_length,</div>
|
|
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  <span class="comment">/*ind=*/</span><a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.data(), <span class="comment">/*newvalues=*/</span><a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>.data()));</div>
|
|
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  }</div>
|
|
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  </div>
|
|
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  <span class="comment">// We cache all Gurobi variables and constraint indices that must be deleted,</span></div>
|
|
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="comment">// and perform deletions at the end of the update call.</span></div>
|
|
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  std::vector<GurobiVariableIndex> deleted_variables_index;</div>
|
|
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  std::vector<GurobiLinearConstraintIndex> deleted_constraints_index;</div>
|
|
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  </div>
|
|
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateLinearConstraints(</div>
|
|
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  model_update.linear_constraint_updates(), deleted_variables_index));</div>
|
|
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  </div>
|
|
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> VariableId <span class="keywordtype">id</span> : model_update.deleted_variable_ids()) {</div>
|
|
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  deleted_variables_index.emplace_back(variables_map_.at(<span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  variables_map_.erase(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  }</div>
|
|
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  </div>
|
|
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span> :</div>
|
|
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  model_update.deleted_linear_constraint_ids()) {</div>
|
|
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  ConstraintData& constraint_data = linear_constraints_map_.at(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  deleted_constraints_index.emplace_back(constraint_data.constraint_index);</div>
|
|
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="keywordflow">if</span> (constraint_data.slack_index != kUnspecifiedIndex) {</div>
|
|
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  deleted_variables_index.emplace_back(constraint_data.slack_index);</div>
|
|
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  constraint_data.slack_index = kUnspecifiedIndex;</div>
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|
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  slack_map_.<a class="code" href="classgtl_1_1linked__hash__map.html#a88ef02f036fd0de2acebe7fdc11f9218">erase</a>(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  }</div>
|
|
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  linear_constraints_map_.erase(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  }</div>
|
|
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  </div>
|
|
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  <span class="comment">// If no cached deletions, we are done.</span></div>
|
|
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <span class="keywordflow">if</span> (deleted_variables_index.empty() && deleted_constraints_index.empty()) {</div>
|
|
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  }</div>
|
|
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  <span class="comment">// If we are removing variables or constraints we remove them after adding</span></div>
|
|
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <span class="comment">// any variable or constraint. This is to avoid problems with</span></div>
|
|
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="comment">// the numbering of possibly new variables and constraints.</span></div>
|
|
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  <span class="comment">// After that we must update the model so that sequence of updates don't</span></div>
|
|
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  <span class="comment">// interfere with one-another.</span></div>
|
|
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="keywordflow">if</span> (!deleted_constraints_index.empty()) {</div>
|
|
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(</div>
|
|
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  <a class="code" href="namespaceoperations__research.html#a71a99985c430e344241552eae729b902">GRBdelconstrs</a>(<span class="comment">/*model=*/</span>gurobi_model_,</div>
|
|
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  <span class="comment">/*len=*/</span>deleted_constraints_index.size(),</div>
|
|
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="comment">/*ind=*/</span>deleted_constraints_index.data()));</div>
|
|
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  }</div>
|
|
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  </div>
|
|
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <span class="keywordflow">if</span> (!deleted_variables_index.empty()) {</div>
|
|
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#ac54f445d3f6c5a80d47fb8a9fa210eb6">GRBdelvars</a>(<span class="comment">/*model=*/</span>gurobi_model_,</div>
|
|
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  <span class="comment">/*len=*/</span>deleted_variables_index.size(),</div>
|
|
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  <span class="comment">/*ind=*/</span>deleted_variables_index.data()));</div>
|
|
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  num_gurobi_variables_ -= deleted_variables_index.size();</div>
|
|
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  }</div>
|
|
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  </div>
|
|
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  <span class="comment">// If we removed variables or constraints we must flush all pending changes</span></div>
|
|
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  <span class="comment">// to synchronize the number of variables and constraints with the Gurobi</span></div>
|
|
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  <span class="comment">// model.</span></div>
|
|
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a8e39c3c540f2d5f3dc4d99d6150f2751">GRBupdatemodel</a>(gurobi_model_));</div>
|
|
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  <span class="comment">// Regenerate indices.</span></div>
|
|
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateGurobiIndices());</div>
|
|
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  </div>
|
|
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span> }</div>
|
|
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  </div>
|
|
<div class="line"><a name="l01379"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#aaaaff4877a964a234aefe9ba81b104cf"> 1379</a></span> absl::StatusOr<std::unique_ptr<GurobiSolver>> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#aaaaff4877a964a234aefe9ba81b104cf">GurobiSolver::New</a>(</div>
|
|
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  <span class="keyword">const</span> ModelProto& input_model, <span class="keyword">const</span> SolverInitializerProto& initializer) {</div>
|
|
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  <span class="keywordflow">if</span>(!<a class="code" href="namespaceoperations__research.html#ac79aad20cb4baeeb6be9336730973514">GurobiIsCorrectlyInstalled</a>()) {</div>
|
|
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">"Gurobi is not correctly installed."</span>);</div>
|
|
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  }</div>
|
|
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  <span class="keyword">auto</span> gurobi_data = absl::WrapUnique(<span class="keyword">new</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html">GurobiSolver</a>);</div>
|
|
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_data->LoadEnvironment());</div>
|
|
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_data->LoadModel(input_model));</div>
|
|
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <span class="keywordflow">return</span> gurobi_data;</div>
|
|
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span> }</div>
|
|
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  </div>
|
|
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span> <span class="keywordtype">int</span> GurobiSolver::GurobiCallback(<a class="code" href="environment_8h.html#a865e461c79c88bc5c0d5f56087ae4876">GRBmodel</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keywordtype">void</span>* cbdata, <span class="keywordtype">int</span> <a class="code" href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a>,</div>
|
|
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  <span class="keywordtype">void</span>* usrdata) {</div>
|
|
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  <a class="code" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(usrdata, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  <a class="code" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  <span class="keyword">auto</span> gurobi_cb_data = <span class="keyword">static_cast<</span>GurobiSolver::GurobiCallbackData*<span class="keyword">></span>(usrdata);</div>
|
|
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <span class="comment">// NOTE: if a previous callback failed, we never run the callback again. It</span></div>
|
|
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <span class="comment">// is the responsibility of the failing call to GurobiCallbackImpl to request</span></div>
|
|
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <span class="comment">// early termination.</span></div>
|
|
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  <span class="keywordflow">if</span> (!gurobi_cb_data->status.ok()) {</div>
|
|
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  <span class="keywordflow">return</span> kGrbOk;</div>
|
|
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  }</div>
|
|
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  gurobi_cb_data->status =</div>
|
|
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  <a class="code" href="namespaceoperations__research_1_1math__opt.html#aa0726d807a2d5a0679c067794b04ada6">GurobiCallbackImpl</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, cbdata, <a class="code" href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a>, gurobi_cb_data->callback_input,</div>
|
|
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  gurobi_cb_data->message_callback_data);</div>
|
|
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  <span class="keywordflow">if</span> (!gurobi_cb_data->status.ok()) {</div>
|
|
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  <span class="keywordflow">return</span> <a class="code" href="environment_8h.html#a1083ba2dffb17d6f98510b91ec3619c1">GRB_ERROR_CALLBACK</a>;</div>
|
|
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  }</div>
|
|
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  <span class="keywordflow">return</span> kGrbOk;</div>
|
|
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span> }</div>
|
|
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  </div>
|
|
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span> absl::StatusOr<std::unique_ptr<GurobiSolver::GurobiCallbackData>></div>
|
|
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span> GurobiSolver::RegisterCallback(<span class="keyword">const</span> CallbackRegistrationProto& registration,</div>
|
|
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  Callback cb, <span class="keyword">const</span> absl::Time start) {</div>
|
|
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  <span class="keyword">const</span> absl::flat_hash_set<CallbackEventProto> events = <a class="code" href="namespaceoperations__research_1_1math__opt.html#af457f60ebac293554106c3ee3898607e">EventSet</a>(registration);</div>
|
|
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  <span class="comment">// Set Gurobi parameters.</span></div>
|
|
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  <span class="keywordflow">if</span> (events.contains(CALLBACK_EVENT_MESSAGE)) {</div>
|
|
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  <span class="comment">// Disable logging messages to the console the user wants to handle</span></div>
|
|
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  <span class="comment">// messages.</span></div>
|
|
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(SetParameter(<a class="code" href="environment_8h.html#a0a3ce7c49cba11b567c1d6fdfd732e1a">GRB_INT_PAR_LOGTOCONSOLE</a>, <span class="stringliteral">"0"</span>));</div>
|
|
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  }</div>
|
|
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="keywordflow">if</span> (registration.add_cuts() || registration.add_lazy_constraints()) {</div>
|
|
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  <span class="comment">// This is to signal the solver presolve to limit primal transformations</span></div>
|
|
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  <span class="comment">// that precludes crushing cuts to the presolved model.</span></div>
|
|
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(SetParameter(<a class="code" href="environment_8h.html#afe22013f7a404d80baf84d00229707e2">GRB_INT_PAR_PRECRUSH</a>, <span class="stringliteral">"1"</span>));</div>
|
|
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  }</div>
|
|
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  <span class="keywordflow">if</span> (registration.add_lazy_constraints()) {</div>
|
|
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <span class="comment">// This is needed so that the solver knows that some presolve reductions</span></div>
|
|
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  <span class="comment">// can not be performed safely.</span></div>
|
|
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(SetParameter(<a class="code" href="environment_8h.html#a62d37112893fc582e67f827f3798ed55">GRB_INT_PAR_LAZYCONSTRAINTS</a>, <span class="stringliteral">"1"</span>));</div>
|
|
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  }</div>
|
|
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  <span class="keywordflow">return</span> absl::make_unique<GurobiCallbackData>(GurobiCallbackInput{</div>
|
|
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  .user_cb = cb,</div>
|
|
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  .variable_ids = variables_map_,</div>
|
|
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  .num_gurobi_vars = num_gurobi_variables_,</div>
|
|
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  .events = <a class="code" href="namespaceoperations__research_1_1math__opt.html#a90644d44a9987c14edfb1cd0d2605bc5">EventToGurobiWhere</a>(events),</div>
|
|
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  .mip_solution_filter = registration.mip_solution_filter(),</div>
|
|
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  .mip_node_filter = registration.mip_node_filter(),</div>
|
|
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  .start = start});</div>
|
|
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span> }</div>
|
|
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  </div>
|
|
<div class="line"><a name="l01440"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a7d6731070fee00d91f229e0cff1cfa1b"> 1440</a></span> absl::StatusOr<SolveResultProto> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a7d6731070fee00d91f229e0cff1cfa1b">GurobiSolver::Solve</a>(</div>
|
|
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  <span class="keyword">const</span> SolveParametersProto& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  <span class="keyword">const</span> CallbackRegistrationProto& callback_registration, <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">Callback</a> cb) {</div>
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<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  <span class="keyword">const</span> absl::Time start = absl::Now();</div>
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<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  SolveResultProto solve_result;</div>
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<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  <span class="comment">// We must set the parameters before calling RegisterCallback since it changes</span></div>
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<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  <span class="comment">// some parameters depending on the callback registration.</span></div>
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<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  <span class="keyword">const</span> std::vector<absl::Status> param_errors = SetParameters(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
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<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  <span class="keywordflow">if</span> (!param_errors.empty()) {</div>
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<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.common_parameters().strictness().bad_parameter()) {</div>
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<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(JoinErrors(param_errors));</div>
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|
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> absl::Status& param_error : param_errors) {</div>
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<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  solve_result.add_warnings(std::string(param_error.message()));</div>
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<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  }</div>
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<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  }</div>
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<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  }</div>
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<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  </div>
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<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  <span class="comment">// TODO(user): any warnings above will be lost if we get an error Status</span></div>
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<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  <span class="comment">// below, reconsider the Solve API.</span></div>
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<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  std::unique_ptr<GurobiCallbackData> gurobi_cb_data;</div>
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<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  <span class="keywordflow">if</span> (cb != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(gurobi_cb_data,</div>
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<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  RegisterCallback(callback_registration, cb, start));</div>
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<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#aec892e2b2a70124f41f8b9744adbda67">GRBsetcallbackfunc</a>(gurobi_model_, GurobiCallback,</div>
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<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  gurobi_cb_data.get()));</div>
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<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  }</div>
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<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  </div>
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<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  <span class="comment">// Need to run GRBupdatemodel before setting basis and getting the obj sense.</span></div>
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<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_model_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#a8e39c3c540f2d5f3dc4d99d6150f2751">GRBupdatemodel</a>(gurobi_model_));</div>
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<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  </div>
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<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> obj_sense, GetIntAttr(<a class="code" href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a>));</div>
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<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize = obj_sense == <a class="code" href="environment_8h.html#a1d47332af7cf793e9b5cc80998ea4afe">GRB_MAXIMIZE</a>;</div>
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|
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  </div>
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|
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="keywordflow">if</span> (model_parameters.has_initial_basis()) {</div>
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<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(SetGurobiBasis(model_parameters.initial_basis()));</div>
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|
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  }</div>
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|
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>  </div>
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<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(RunSolver());</div>
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|
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  <span class="keywordflow">if</span> (gurobi_cb_data != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>  <span class="keywordflow">if</span> (gurobi_cb_data->status.ok()) {</div>
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|
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  gurobi_cb_data->status =</div>
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|
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  <a class="code" href="namespaceoperations__research_1_1math__opt.html#ab4c5bf9cf19938d8fcabd15e6ef95349">GurobiCallbackImplFlush</a>(gurobi_cb_data->callback_input,</div>
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<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>  gurobi_cb_data->message_callback_data);</div>
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<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>  }</div>
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|
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_cb_data->status) << <span class="stringliteral">"Error in callback"</span>;</div>
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|
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>  <a class="code" href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a>(<a class="code" href="namespaceoperations__research.html#aec892e2b2a70124f41f8b9744adbda67">GRBsetcallbackfunc</a>(gurobi_model_, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>));</div>
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|
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  }</div>
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|
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
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|
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  ExtractSolveResultProto(is_maximize, solve_result, model_parameters));</div>
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|
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>  <span class="comment">// Reset Gurobi parameters.</span></div>
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|
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  <span class="comment">// TODO(user): ensure that resetting parameters does not degrade</span></div>
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|
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>  <span class="comment">// incrementalism performance.</span></div>
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|
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ResetParameters());</div>
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|
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  <a class="code" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code" href="namespaceutil__time.html#ac1935e49a14ae747b6ee76804b52bf70">util_time::EncodeGoogleApiProto</a>(</div>
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|
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  absl::Now() - start,</div>
|
|
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  solve_result.mutable_solve_stats()->mutable_solve_time()));</div>
|
|
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  <span class="keywordflow">return</span> solve_result;</div>
|
|
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span> }</div>
|
|
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  </div>
|
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<div class="line"><a name="l01502"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a1dcbb1374e91747a2db097361b091c8b"> 1502</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a1dcbb1374e91747a2db097361b091c8b">GurobiSolver::CanUpdate</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
|
|
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span> }</div>
|
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<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  </div>
|
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<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span> <span class="preprocessor">#undef RETURN_IF_GUROBI_ERROR</span></div>
|
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<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  </div>
|
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<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span> <a class="code" href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83">MATH_OPT_REGISTER_SOLVER</a>(SOLVER_TYPE_GUROBI, <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#aaaaff4877a964a234aefe9ba81b104cf">GurobiSolver::New</a>)</div>
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<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  </div>
|
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<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span> } <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_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#l00498">base/logging.h:498</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0"><div class="ttname"><a href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a></div><div class="ttdeci">#define DCHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00894">base/logging.h:894</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a9f96ed9f06763f0821fdbb4d29031d8d"><div class="ttname"><a href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a></div><div class="ttdeci">#define CHECK_OK(x)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00042">base/logging.h:42</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a"><div class="ttname"><a href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a></div><div class="ttdeci">#define DCHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00896">base/logging.h:896</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00423">base/logging.h:423</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00892">base/logging.h:892</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0"><div class="ttname"><a href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a></div><div class="ttdeci">#define DCHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00893">base/logging.h:893</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00986">base/logging.h:986</a></div></div>
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<div class="ttc" id="aclassgtl_1_1linked__hash__map_html_a60304b65bf89363bcc3165d3cde67f86"><div class="ttname"><a href="classgtl_1_1linked__hash__map.html#a60304b65bf89363bcc3165d3cde67f86">gtl::linked_hash_map::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdef"><b>Definition:</b> <a href="linked__hash__map_8h_source.html#l00273">linked_hash_map.h:273</a></div></div>
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<div class="ttc" id="aclassgtl_1_1linked__hash__map_html_a88ef02f036fd0de2acebe7fdc11f9218"><div class="ttname"><a href="classgtl_1_1linked__hash__map.html#a88ef02f036fd0de2acebe7fdc11f9218">gtl::linked_hash_map::erase</a></div><div class="ttdeci">size_type erase(const key_arg< K > &key)</div><div class="ttdef"><b>Definition:</b> <a href="linked__hash__map_8h_source.html#l00314">linked_hash_map.h:314</a></div></div>
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<div class="ttc" id="aclassgtl_1_1linked__hash__map_html_acad38d52497a975bfb6f2f6acd76631f"><div class="ttname"><a href="classgtl_1_1linked__hash__map.html#acad38d52497a975bfb6f2f6acd76631f">gtl::linked_hash_map::end</a></div><div class="ttdeci">iterator end()</div><div class="ttdef"><b>Definition:</b> <a href="linked__hash__map_8h_source.html#l00280">linked_hash_map.h:280</a></div></div>
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<div class="ttc" id="aclassgtl_1_1linked__hash__map_html_ad69bd11391be1a1dba5c8202259664f8"><div class="ttname"><a href="classgtl_1_1linked__hash__map.html#ad69bd11391be1a1dba5c8202259664f8">gtl::linked_hash_map::begin</a></div><div class="ttdeci">iterator begin()</div><div class="ttdef"><b>Definition:</b> <a href="linked__hash__map_8h_source.html#l00279">linked_hash_map.h:279</a></div></div>
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<div class="ttc" id="aclassgtl_1_1linked__hash__map_html_ae808caa4f950111fd95d2d61441bad93"><div class="ttname"><a href="classgtl_1_1linked__hash__map.html#ae808caa4f950111fd95d2d61441bad93">gtl::linked_hash_map::at</a></div><div class="ttdeci">mapped_type & at(const key_arg< K > &key)</div><div class="ttdef"><b>Definition:</b> <a href="linked__hash__map_8h_source.html#l00371">linked_hash_map.h:371</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html">operations_research::math_opt::GurobiSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8h_source.html#l00046">gurobi_solver.h:46</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_a1dcbb1374e91747a2db097361b091c8b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a1dcbb1374e91747a2db097361b091c8b">operations_research::math_opt::GurobiSolver::CanUpdate</a></div><div class="ttdeci">bool CanUpdate(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01502">gurobi_solver.cc:1502</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_a4dc835d3171da48778de1bbea39f8448"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a4dc835d3171da48778de1bbea39f8448">operations_research::math_opt::GurobiSolver::Update</a></div><div class="ttdeci">absl::Status Update(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01270">gurobi_solver.cc:1270</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_a7d6731070fee00d91f229e0cff1cfa1b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a7d6731070fee00d91f229e0cff1cfa1b">operations_research::math_opt::GurobiSolver::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResultProto > Solve(const SolveParametersProto &parameters, const ModelSolveParametersProto &model_parameters, const CallbackRegistrationProto &callback_registration, Callback cb) override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01440">gurobi_solver.cc:1440</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_aaaaff4877a964a234aefe9ba81b104cf"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#aaaaff4877a964a234aefe9ba81b104cf">operations_research::math_opt::GurobiSolver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< GurobiSolver > > New(const ModelProto &input_model, const SolverInitializerProto &initializer)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01379">gurobi_solver.cc:1379</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_ab73414ea0a3ea1fdf4398722648b92e9"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#ab73414ea0a3ea1fdf4398722648b92e9">operations_research::math_opt::GurobiSolver::~GurobiSolver</a></div><div class="ttdeci">~GurobiSolver() override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01014">gurobi_solver.cc:1014</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ab47a61ca53ae9cdf35dd4f2dfc9ecadb"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">operations_research::math_opt::SolverInterface::Callback</a></div><div class="ttdeci">std::function< absl::StatusOr< CallbackResultProto >(const CallbackDataProto &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00054">solver_interface.h:55</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00108">cp_model_fz_solver.cc:108</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_ac3cf9db02b23ea1455b5ae6955d03e47"><div class="ttname"><a href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a></div><div class="ttdeci">SharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02152">cp_model_solver.cc:2152</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</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_a01f7f12bd04d094abbfec4d9efaf4474"><div class="ttname"><a href="environment_8h.html#a01f7f12bd04d094abbfec4d9efaf4474">GRB_SUPERBASIC</a></div><div class="ttdeci">#define GRB_SUPERBASIC</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00474">environment.h:474</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a0a3ce7c49cba11b567c1d6fdfd732e1a"><div class="ttname"><a href="environment_8h.html#a0a3ce7c49cba11b567c1d6fdfd732e1a">GRB_INT_PAR_LOGTOCONSOLE</a></div><div class="ttdeci">#define GRB_INT_PAR_LOGTOCONSOLE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00562">environment.h:562</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a0a9e67177dc51990769f46c9eab75ced"><div class="ttname"><a href="environment_8h.html#a0a9e67177dc51990769f46c9eab75ced">GRB_DBL_ATTR_UB</a></div><div class="ttdeci">#define GRB_DBL_ATTR_UB</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00179">environment.h:179</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a1083ba2dffb17d6f98510b91ec3619c1"><div class="ttname"><a href="environment_8h.html#a1083ba2dffb17d6f98510b91ec3619c1">GRB_ERROR_CALLBACK</a></div><div class="ttdeci">#define GRB_ERROR_CALLBACK</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00077">environment.h:77</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a1ccb20da4b43c27111e26d4532fd31e0"><div class="ttname"><a href="environment_8h.html#a1ccb20da4b43c27111e26d4532fd31e0">GRB_SOLUTION_LIMIT</a></div><div class="ttdeci">#define GRB_SOLUTION_LIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00465">environment.h:465</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a1d47332af7cf793e9b5cc80998ea4afe"><div class="ttname"><a href="environment_8h.html#a1d47332af7cf793e9b5cc80998ea4afe">GRB_MAXIMIZE</a></div><div class="ttdeci">#define GRB_MAXIMIZE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00105">environment.h:105</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a22436ee63a37753e3282174cdaf4e2a7"><div class="ttname"><a href="environment_8h.html#a22436ee63a37753e3282174cdaf4e2a7">GRB_NONBASIC_LOWER</a></div><div class="ttdeci">#define GRB_NONBASIC_LOWER</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00472">environment.h:472</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a233cfbc39ea682329dabec1fbb4d4cbd"><div class="ttname"><a href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a></div><div class="ttdeci">#define GRB_INT_ATTR_MODELSENSE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00170">environment.h:170</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a2370d4404d39aef86bda6ba3348d1fc9"><div class="ttname"><a href="environment_8h.html#a2370d4404d39aef86bda6ba3348d1fc9">GRB_INT_PAR_CUTS</a></div><div class="ttdeci">#define GRB_INT_PAR_CUTS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00528">environment.h:528</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a2596d04fb885c491433c0f4df4988675"><div class="ttname"><a href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a></div><div class="ttdeci">#define GRB_INFINITY</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00108">environment.h:108</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a29ebfd349621b3bdff29bedc3a30a547"><div class="ttname"><a href="environment_8h.html#a29ebfd349621b3bdff29bedc3a30a547">GRB_INT_ATTR_VBASIS</a></div><div class="ttdeci">#define GRB_INT_ATTR_VBASIS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00235">environment.h:235</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_a317d0241017cd770a8554749944bf1b6"><div class="ttname"><a href="environment_8h.html#a317d0241017cd770a8554749944bf1b6">GRB_INT_PAR_SEED</a></div><div class="ttdeci">#define GRB_INT_PAR_SEED</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00579">environment.h:579</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a3330ab2eaa22ccaebe6eb75acc71913c"><div class="ttname"><a href="environment_8h.html#a3330ab2eaa22ccaebe6eb75acc71913c">GRB_DBL_ATTR_NODECOUNT</a></div><div class="ttdeci">#define GRB_DBL_ATTR_NODECOUNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00227">environment.h:227</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a357ade6bc740533e34fc725fb57564ee"><div class="ttname"><a href="environment_8h.html#a357ade6bc740533e34fc725fb57564ee">GRB_INT_PAR_PRESOLVE</a></div><div class="ttdeci">#define GRB_INT_PAR_PRESOLVE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00571">environment.h:571</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a3f863a94da605ae51aa79a9d547bc9ac"><div class="ttname"><a href="environment_8h.html#a3f863a94da605ae51aa79a9d547bc9ac">GRB_DBL_ATTR_ITERCOUNT</a></div><div class="ttdeci">#define GRB_DBL_ATTR_ITERCOUNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00225">environment.h:225</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a40ab1a4641611c40bfd77517d0560166"><div class="ttname"><a href="environment_8h.html#a40ab1a4641611c40bfd77517d0560166">GRB_INT_PAR_THREADS</a></div><div class="ttdeci">#define GRB_INT_PAR_THREADS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00580">environment.h:580</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_a5303a1a44e057e9af71c89e9e5c67299"><div class="ttname"><a href="environment_8h.html#a5303a1a44e057e9af71c89e9e5c67299">GRB_INTEGER</a></div><div class="ttdeci">#define GRB_INTEGER</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00101">environment.h:101</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a5397bab46d83535262cfd4f82ffcaf3e"><div class="ttname"><a href="environment_8h.html#a5397bab46d83535262cfd4f82ffcaf3e">GRB_INT_PAR_METHOD</a></div><div class="ttdeci">#define GRB_INT_PAR_METHOD</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00491">environment.h:491</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a53aa4448d8ded22274939383658c1d80"><div class="ttname"><a href="environment_8h.html#a53aa4448d8ded22274939383658c1d80">GRB_INT_ATTR_IS_QP</a></div><div class="ttdeci">#define GRB_INT_ATTR_IS_QP</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00173">environment.h:173</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a53f9ffb4546f1effaf87839a42adeaa3"><div class="ttname"><a href="environment_8h.html#a53f9ffb4546f1effaf87839a42adeaa3">GRB_DBL_ATTR_PI</a></div><div class="ttdeci">#define GRB_DBL_ATTR_PI</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00236">environment.h:236</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a5ad09c0e963f4a55c5f39f5fac72c769"><div class="ttname"><a href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a></div><div class="ttdeci">#define GRB_DBL_ATTR_OBJVAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00218">environment.h:218</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a5fd7f1e209885e3d6e47ea3a11f65340"><div class="ttname"><a href="environment_8h.html#a5fd7f1e209885e3d6e47ea3a11f65340">GRB_NODE_LIMIT</a></div><div class="ttdeci">#define GRB_NODE_LIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00463">environment.h:463</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a62d37112893fc582e67f827f3798ed55"><div class="ttname"><a href="environment_8h.html#a62d37112893fc582e67f827f3798ed55">GRB_INT_PAR_LAZYCONSTRAINTS</a></div><div class="ttdeci">#define GRB_INT_PAR_LAZYCONSTRAINTS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00560">environment.h:560</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a62f5c46eb05a9a2a3aa018fc356aa33a"><div class="ttname"><a href="environment_8h.html#a62f5c46eb05a9a2a3aa018fc356aa33a">GRB_ERROR_NO_LICENSE</a></div><div class="ttdeci">#define GRB_ERROR_NO_LICENSE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00075">environment.h:75</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a64c5813d650c7b30c0d6c10581a51de4"><div class="ttname"><a href="environment_8h.html#a64c5813d650c7b30c0d6c10581a51de4">GRB_DBL_ATTR_XN</a></div><div class="ttdeci">#define GRB_DBL_ATTR_XN</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00231">environment.h:231</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a6cc9be6c5a5942fae165ac67f0b55c09"><div class="ttname"><a href="environment_8h.html#a6cc9be6c5a5942fae165ac67f0b55c09">GRB_CONTINUOUS</a></div><div class="ttdeci">#define GRB_CONTINUOUS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00099">environment.h:99</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a711a2db88b574a2e8ba3284eb2da1285"><div class="ttname"><a href="environment_8h.html#a711a2db88b574a2e8ba3284eb2da1285">GRB_INT_PAR_SCALEFLAG</a></div><div class="ttdeci">#define GRB_INT_PAR_SCALEFLAG</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00494">environment.h:494</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a728e19166cbf018cea2dd05dc67f7824"><div class="ttname"><a href="environment_8h.html#a728e19166cbf018cea2dd05dc67f7824">GRB_DBL_ATTR_OBJ</a></div><div class="ttdeci">#define GRB_DBL_ATTR_OBJ</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00180">environment.h:180</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a7a847fd81493698f8b079802cd6ff99b"><div class="ttname"><a href="environment_8h.html#a7a847fd81493698f8b079802cd6ff99b">GRB_DBL_PAR_HEURISTICS</a></div><div class="ttdeci">#define GRB_DBL_PAR_HEURISTICS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00510">environment.h:510</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a7ba686d89ff3ad70a4647775fb7ff04f"><div class="ttname"><a href="environment_8h.html#a7ba686d89ff3ad70a4647775fb7ff04f">GRB_METHOD_BARRIER</a></div><div class="ttdeci">#define GRB_METHOD_BARRIER</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00609">environment.h:609</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a818911c41b6c6db875cc4296cb7a861a"><div class="ttname"><a href="environment_8h.html#a818911c41b6c6db875cc4296cb7a861a">GRB_INT_ATTR_IS_MIP</a></div><div class="ttdeci">#define GRB_INT_ATTR_IS_MIP</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00172">environment.h:172</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a865e461c79c88bc5c0d5f56087ae4876"><div class="ttname"><a href="environment_8h.html#a865e461c79c88bc5c0d5f56087ae4876">GRBmodel</a></div><div class="ttdeci">struct _GRBmodel GRBmodel</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00001">environment.h:24</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a87fb4e2c8417ac5561558e4218afff8e"><div class="ttname"><a href="environment_8h.html#a87fb4e2c8417ac5561558e4218afff8e">GRB_CHAR_ATTR_VTYPE</a></div><div class="ttdeci">#define GRB_CHAR_ATTR_VTYPE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00181">environment.h:181</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a88e6e7461317d51db8df85aef54b2314"><div class="ttname"><a href="environment_8h.html#a88e6e7461317d51db8df85aef54b2314">GRB_TIME_LIMIT</a></div><div class="ttdeci">#define GRB_TIME_LIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00464">environment.h:464</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a89e1bf71cc27db7ecd18e117a53cf7c2"><div class="ttname"><a href="environment_8h.html#a89e1bf71cc27db7ecd18e117a53cf7c2">GRB_NONBASIC_UPPER</a></div><div class="ttdeci">#define GRB_NONBASIC_UPPER</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00473">environment.h:473</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a8ac6a4fedeff2448008534b7a90abafa"><div class="ttname"><a href="environment_8h.html#a8ac6a4fedeff2448008534b7a90abafa">GRB_DBL_ATTR_OBJCON</a></div><div class="ttdeci">#define GRB_DBL_ATTR_OBJCON</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00171">environment.h:171</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a8d63d792ead16b09415eb5893ad09f9a"><div class="ttname"><a href="environment_8h.html#a8d63d792ead16b09415eb5893ad09f9a">GRB_STR_ATTR_MODELNAME</a></div><div class="ttdeci">#define GRB_STR_ATTR_MODELNAME</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00169">environment.h:169</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a9112d4d1eeee1c4fb4043ea044693bcb"><div class="ttname"><a href="environment_8h.html#a9112d4d1eeee1c4fb4043ea044693bcb">GRB_DBL_ATTR_RC</a></div><div class="ttdeci">#define GRB_DBL_ATTR_RC</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00233">environment.h:233</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a974f168fa074bac37be196bc6c6c008f"><div class="ttname"><a href="environment_8h.html#a974f168fa074bac37be196bc6c6c008f">GRB_LOADED</a></div><div class="ttdeci">#define GRB_LOADED</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00456">environment.h:456</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a9d5e5e5c915a5ee39d46a4920acae69e"><div class="ttname"><a href="environment_8h.html#a9d5e5e5c915a5ee39d46a4920acae69e">GRB_INPROGRESS</a></div><div class="ttdeci">#define GRB_INPROGRESS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00469">environment.h:469</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aa16b413021738f1ca6d7bc00f8ed7d56"><div class="ttname"><a href="environment_8h.html#aa16b413021738f1ca6d7bc00f8ed7d56">GRB_INT_ATTR_IS_QCP</a></div><div class="ttdeci">#define GRB_INT_ATTR_IS_QCP</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00174">environment.h:174</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aa551017c0b845fd228540c78841bbb68"><div class="ttname"><a href="environment_8h.html#aa551017c0b845fd228540c78841bbb68">GRB_INF_OR_UNBD</a></div><div class="ttdeci">#define GRB_INF_OR_UNBD</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00459">environment.h:459</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aa79252cac30162280cee77fcad392fe2"><div class="ttname"><a href="environment_8h.html#aa79252cac30162280cee77fcad392fe2">GRB_DBL_ATTR_X</a></div><div class="ttdeci">#define GRB_DBL_ATTR_X</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00230">environment.h:230</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aa7bde7d4791541f5f0ebfe2ae44841df"><div class="ttname"><a href="environment_8h.html#aa7bde7d4791541f5f0ebfe2ae44841df">GRB_SUBOPTIMAL</a></div><div class="ttdeci">#define GRB_SUBOPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00468">environment.h:468</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aa9bc09ccb0ac12cee4fe48135431ddbd"><div class="ttname"><a href="environment_8h.html#aa9bc09ccb0ac12cee4fe48135431ddbd">GRB_INFEASIBLE</a></div><div class="ttdeci">#define GRB_INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00458">environment.h:458</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aad88bdc3ebd15f9a0639e7e9db8d1850"><div class="ttname"><a href="environment_8h.html#aad88bdc3ebd15f9a0639e7e9db8d1850">GRB_DBL_ATTR_RHS</a></div><div class="ttdeci">#define GRB_DBL_ATTR_RHS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00190">environment.h:190</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aaeec08d31335c6a13ff639dff0f4daa5"><div class="ttname"><a href="environment_8h.html#aaeec08d31335c6a13ff639dff0f4daa5">GRB_MAXINT</a></div><div class="ttdeci">#define GRB_MAXINT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00110">environment.h:110</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_ab9e8fb9ba7e90fd0a905802db64ec066"><div class="ttname"><a href="environment_8h.html#ab9e8fb9ba7e90fd0a905802db64ec066">GRB_CHAR_ATTR_SENSE</a></div><div class="ttdeci">#define GRB_CHAR_ATTR_SENSE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00192">environment.h:192</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_abd3911c6711cb8b337661a06a32cfb5c"><div class="ttname"><a href="environment_8h.html#abd3911c6711cb8b337661a06a32cfb5c">GRB_CUTOFF</a></div><div class="ttdeci">#define GRB_CUTOFF</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00461">environment.h:461</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_abd5c8ac4f5b0f0cecb20fa655300196e"><div class="ttname"><a href="environment_8h.html#abd5c8ac4f5b0f0cecb20fa655300196e">GRB_UNBOUNDED</a></div><div class="ttdeci">#define GRB_UNBOUNDED</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00460">environment.h:460</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ac62018893f550c089f864ee7b930a577"><div class="ttname"><a href="environment_8h.html#ac62018893f550c089f864ee7b930a577">GRB_INT_ATTR_CBASIS</a></div><div class="ttdeci">#define GRB_INT_ATTR_CBASIS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00241">environment.h:241</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ac83a71f7ce20ef826c2fe19ded699f4e"><div class="ttname"><a href="environment_8h.html#ac83a71f7ce20ef826c2fe19ded699f4e">GRB_METHOD_DUAL</a></div><div class="ttdeci">#define GRB_METHOD_DUAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00608">environment.h:608</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_acfc0e9dcfa5ab9c9e845147459965929"><div class="ttname"><a href="environment_8h.html#acfc0e9dcfa5ab9c9e845147459965929">GRB_INT_ATTR_BARITERCOUNT</a></div><div class="ttdeci">#define GRB_INT_ATTR_BARITERCOUNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00226">environment.h:226</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ad08f48647c5d65e49bcf5d85af8ea724"><div class="ttname"><a href="environment_8h.html#ad08f48647c5d65e49bcf5d85af8ea724">GRB_BASIC</a></div><div class="ttdeci">#define GRB_BASIC</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00471">environment.h:471</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ad4477c4c3cade685194ae6957edce447"><div class="ttname"><a href="environment_8h.html#ad4477c4c3cade685194ae6957edce447">GRB_MINIMIZE</a></div><div class="ttdeci">#define GRB_MINIMIZE</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00104">environment.h:104</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ad4544aad5da63e21eb7c61e9142ffbd9"><div class="ttname"><a href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a></div><div class="ttdeci">#define GRB_INT_ATTR_STATUS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00217">environment.h:217</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ad4f15b204103e9839f45c2da44bff576"><div class="ttname"><a href="environment_8h.html#ad4f15b204103e9839f45c2da44bff576">GRB_DBL_ATTR_FARKASDUAL</a></div><div class="ttdeci">#define GRB_DBL_ATTR_FARKASDUAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00297">environment.h:297</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_ad94393e90e9408cdb85e65d8891a3aa2"><div class="ttname"><a href="environment_8h.html#ad94393e90e9408cdb85e65d8891a3aa2">GRB_INTERRUPTED</a></div><div class="ttdeci">#define GRB_INTERRUPTED</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00466">environment.h:466</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_adcdd0acb46a250186f4f17e9a3113bab"><div class="ttname"><a href="environment_8h.html#adcdd0acb46a250186f4f17e9a3113bab">GRB_DBL_ATTR_POOLOBJVAL</a></div><div class="ttdeci">#define GRB_DBL_ATTR_POOLOBJVAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00222">environment.h:222</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ae11f079a0448e1dd3ac0a4a5938a7a1d"><div class="ttname"><a href="environment_8h.html#ae11f079a0448e1dd3ac0a4a5938a7a1d">GRB_DBL_ATTR_LB</a></div><div class="ttdeci">#define GRB_DBL_ATTR_LB</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00178">environment.h:178</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ae2331888cbb54036f3711f1fcc108713"><div class="ttname"><a href="environment_8h.html#ae2331888cbb54036f3711f1fcc108713">GRB_INT_PAR_SOLUTIONNUMBER</a></div><div class="ttdeci">#define GRB_INT_PAR_SOLUTIONNUMBER</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00526">environment.h:526</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_ae7fb7f0d52f101d68375a248dc9c2292"><div class="ttname"><a href="environment_8h.html#ae7fb7f0d52f101d68375a248dc9c2292">GRB_ITERATION_LIMIT</a></div><div class="ttdeci">#define GRB_ITERATION_LIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00462">environment.h:462</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aeccf22a77ad72039e023c83e9afcf76a"><div class="ttname"><a href="environment_8h.html#aeccf22a77ad72039e023c83e9afcf76a">GRB_INT_ATTR_SOLCOUNT</a></div><div class="ttdeci">#define GRB_INT_ATTR_SOLCOUNT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00224">environment.h:224</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aed597d8d7382b426945d77fefd1df219"><div class="ttname"><a href="environment_8h.html#aed597d8d7382b426945d77fefd1df219">GRB_NUMERIC</a></div><div class="ttdeci">#define GRB_NUMERIC</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00467">environment.h:467</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_aee06842200f9ea6a52cd072655bde971"><div class="ttname"><a href="environment_8h.html#aee06842200f9ea6a52cd072655bde971">GRB_METHOD_PRIMAL</a></div><div class="ttdeci">#define GRB_METHOD_PRIMAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00607">environment.h:607</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af0e9b8eeda1ce58b5199ae2140a76f8d"><div class="ttname"><a href="environment_8h.html#af0e9b8eeda1ce58b5199ae2140a76f8d">GRB_DBL_PAR_TIMELIMIT</a></div><div class="ttdeci">#define GRB_DBL_PAR_TIMELIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00481">environment.h:481</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af5e46a0de8a1d1c40d1f88da9cf7dabe"><div class="ttname"><a href="environment_8h.html#af5e46a0de8a1d1c40d1f88da9cf7dabe">GRB_USER_OBJ_LIMIT</a></div><div class="ttdeci">#define GRB_USER_OBJ_LIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00470">environment.h:470</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_af93d44f6be543de20e57b6cf0f081a78"><div class="ttname"><a href="environment_8h.html#af93d44f6be543de20e57b6cf0f081a78">GRB_DBL_ATTR_UNBDRAY</a></div><div class="ttdeci">#define GRB_DBL_ATTR_UNBDRAY</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00299">environment.h:299</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_afa4f5e674caa662471e849ba775a755d"><div class="ttname"><a href="environment_8h.html#afa4f5e674caa662471e849ba775a755d">GRB_DBL_ATTR_OBJBOUND</a></div><div class="ttdeci">#define GRB_DBL_ATTR_OBJBOUND</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00219">environment.h:219</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_afe22013f7a404d80baf84d00229707e2"><div class="ttname"><a href="environment_8h.html#afe22013f7a404d80baf84d00229707e2">GRB_INT_PAR_PRECRUSH</a></div><div class="ttdeci">#define GRB_INT_PAR_PRECRUSH</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00566">environment.h:566</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a1ba5ca0f61f2fa13bd23bf0f89004f35"><div class="ttname"><a href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a></div><div class="ttdeci">double upper_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00126">gscip_solver.cc:126</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a1e2f9a2352c1d9a6cada9544898fceec"><div class="ttname"><a href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a></div><div class="ttdeci">double lower_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00125">gscip_solver.cc:125</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_aa59e74cc299dbf75fa6e2234dd0849a2"><div class="ttname"><a href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a></div><div class="ttdeci">absl::Span< const double > coefficients</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00129">gscip_solver.cc:129</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_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00273">gurobi_interface.cc:273</a></div></div>
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<div class="ttc" id="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#l00275">gurobi_interface.cc:275</a></div></div>
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<div class="ttc" id="agurobi__solver_8cc_html_aa212256dcfcb89add07e41f5f5be6967"><div class="ttname"><a href="gurobi__solver_8cc.html#aa212256dcfcb89add07e41f5f5be6967">RETURN_IF_GUROBI_ERROR</a></div><div class="ttdeci">#define RETURN_IF_GUROBI_ERROR(_x_)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l00326">gurobi_solver.cc:326</a></div></div>
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<div class="ttc" id="agurobi__solver_8h_html"><div class="ttname"><a href="gurobi__solver_8h.html">gurobi_solver.h</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="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_ac9bcbe19995a8140cd4ec61773cd6e67"><div class="ttname"><a href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">ERROR</a></div><div class="ttdeci">const int ERROR</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="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="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</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="anamespacegtl_html_a5c0d4dea208db4deaa285c06b78d8181"><div class="ttname"><a href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a></div><div class="ttdeci">void InsertOrDie(Collection *const collection, const typename Collection::value_type &value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00154">map_util.h:154</a></div></div>
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<div class="ttc" id="anamespacegtl_html_ace5fe2f7b4faae01b39351af5791a223"><div class="ttname"><a href="namespacegtl.html#ace5fe2f7b4faae01b39351af5791a223">gtl::InsertKeyOrDie</a></div><div class="ttdeci">auto & InsertKeyOrDie(Collection *const collection, const typename Collection::value_type::first_type &key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00173">map_util.h:173</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad">operations_research::data::vbp::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="vector__bin__packing_8pb_8h_source.html#l00088">vector_bin_packing.pb.h:88</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483">operations_research::data::vbp::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="vector__bin__packing_8pb_8h_source.html#l00090">vector_bin_packing.pb.h:90</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a174eb56fe2f478a51da5bad317555b83"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83">operations_research::math_opt::MATH_OPT_REGISTER_SOLVER</a></div><div class="ttdeci">MATH_OPT_REGISTER_SOLVER(SOLVER_TYPE_CP_SAT, CpSatSolver::New)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_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#l00395">gurobi_callback.cc:395</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_aa0726d807a2d5a0679c067794b04ada6"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#aa0726d807a2d5a0679c067794b04ada6">operations_research::math_opt::GurobiCallbackImpl</a></div><div class="ttdeci">absl::Status GurobiCallbackImpl(GRBmodel *grb_model, void *cbdata, int where, const GurobiCallbackInput &callback_input, MessageCallbackData &message_callback_data)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00404">gurobi_callback.cc:404</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ab4c5bf9cf19938d8fcabd15e6ef95349"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ab4c5bf9cf19938d8fcabd15e6ef95349">operations_research::math_opt::GurobiCallbackImplFlush</a></div><div class="ttdeci">absl::Status GurobiCallbackImplFlush(const GurobiCallbackInput &callback_input, MessageCallbackData &message_callback_data)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00427">gurobi_callback.cc:427</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ac17be684f3a6337b38f287c0a1e8c691"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ac17be684f3a6337b38f287c0a1e8c691">operations_research::math_opt::MakeView</a></div><div class="ttdeci">SparseVectorView< T > MakeView(absl::Span< const int64_t > ids, const Collection &values)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00140">sparse_vector_view.h:140</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_af457f60ebac293554106c3ee3898607e"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#af457f60ebac293554106c3ee3898607e">operations_research::math_opt::EventSet</a></div><div class="ttdeci">absl::flat_hash_set< CallbackEventProto > EventSet(const CallbackRegistrationProto &callback_registration)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00067">math_opt_proto_utils.cc:67</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a13096db0327ba8156cb2f5215eaeb9db"><div class="ttname"><a href="namespaceoperations__research.html#a13096db0327ba8156cb2f5215eaeb9db">operations_research::GRBgetdblattr</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, double *valueP)> GRBgetdblattr</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00095">environment.cc:95</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a1a3204269ce35fdfb007daa36385d076"><div class="ttname"><a href="namespaceoperations__research.html#a1a3204269ce35fdfb007daa36385d076">operations_research::GRBsetdblattrlist</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, int len, int *ind, double *newvalues)> GRBsetdblattrlist</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00115">environment.cc:115</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a24d4a81ddd386e3302f17cd46e286955"><div class="ttname"><a href="namespaceoperations__research.html#a24d4a81ddd386e3302f17cd46e286955">operations_research::GRBplatform</a></div><div class="ttdeci">std::function< char *(void)> GRBplatform</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00430">environment.cc:430</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a2d8a3119d1dbb2397caf41c215e1bf4d"><div class="ttname"><a href="namespaceoperations__research.html#a2d8a3119d1dbb2397caf41c215e1bf4d">operations_research::GRBversion</a></div><div class="ttdeci">std::function< void(int *majorP, int *minorP, int *technicalP)> GRBversion</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00428">environment.cc:428</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a2e34f6a0dfee062d8994464725328201"><div class="ttname"><a href="namespaceoperations__research.html#a2e34f6a0dfee062d8994464725328201">operations_research::GRBsetparam</a></div><div class="ttdeci">std::function< int(GRBenv *env, const char *paramname, const char *value)> GRBsetparam</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00377">environment.cc:377</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a2f41a80190ebfeab50fd2cb4c66e51cb"><div class="ttname"><a href="namespaceoperations__research.html#a2f41a80190ebfeab50fd2cb4c66e51cb">operations_research::GRBsetintattr</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, int newvalue)> GRBsetintattr</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00057">environment.cc:57</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a3d3abef27ee72c7f76a5f4f534912e07"><div class="ttname"><a href="namespaceoperations__research.html#a3d3abef27ee72c7f76a5f4f534912e07">operations_research::GRBgetintattrarray</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, int first, int len, int *values)> GRBgetintattrarray</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00066">environment.cc:66</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a3fba738afeda2bccadc516a3dd6898d6"><div class="ttname"><a href="namespaceoperations__research.html#a3fba738afeda2bccadc516a3dd6898d6">operations_research::GRBaddconstrs</a></div><div class="ttdeci">std::function< int(GRBmodel *model, int numconstrs, int numnz, int *cbeg, int *cind, double *cval, char *sense, double *rhs, char **constrnames)> GRBaddconstrs</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00273">environment.cc:273</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a458a2341c2bfe0530114105a7a42c183"><div class="ttname"><a href="namespaceoperations__research.html#a458a2341c2bfe0530114105a7a42c183">operations_research::GRBsetintparam</a></div><div class="ttdeci">std::function< int(GRBenv *env, const char *paramname, int value)> GRBsetintparam</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00379">environment.cc:379</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a58b085f750fadcaed59fdba2fc81dbfd"><div class="ttname"><a href="namespaceoperations__research.html#a58b085f750fadcaed59fdba2fc81dbfd">operations_research::GRBloadenv</a></div><div class="ttdeci">std::function< int(GRBenv **envP, const char *logfilename)> GRBloadenv</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00396">environment.cc:396</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a5d18796445ee5d664e591b74df135990"><div class="ttname"><a href="namespaceoperations__research.html#a5d18796445ee5d664e591b74df135990">operations_research::GRBfreemodel</a></div><div class="ttdeci">std::function< int(GRBmodel *model)> GRBfreemodel</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00335">environment.cc:335</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6e3a7ab84a516ee67eb78d50ac3987e2"><div class="ttname"><a href="namespaceoperations__research.html#a6e3a7ab84a516ee67eb78d50ac3987e2">operations_research::GRBgeterrormsg</a></div><div class="ttdeci">std::function< const char *(GRBenv *env)> GRBgeterrormsg</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00426">environment.cc:426</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6f5b8fa2fe40cae954681ba04e9cbb72"><div class="ttname"><a href="namespaceoperations__research.html#a6f5b8fa2fe40cae954681ba04e9cbb72">operations_research::GRBchgcoeffs</a></div><div class="ttdeci">std::function< int(GRBmodel *model, int cnt, int *cind, int *vind, double *val)> GRBchgcoeffs</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00327">environment.cc:327</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a7107d55540a5ebdf66762aa4ee42e404"><div class="ttname"><a href="namespaceoperations__research.html#a7107d55540a5ebdf66762aa4ee42e404">operations_research::GRBgetenv</a></div><div class="ttdeci">std::function< GRBenv *(GRBmodel *model)> GRBgetenv</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00419">environment.cc:419</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a71a99985c430e344241552eae729b902"><div class="ttname"><a href="namespaceoperations__research.html#a71a99985c430e344241552eae729b902">operations_research::GRBdelconstrs</a></div><div class="ttdeci">std::function< int(GRBmodel *model, int len, int *ind)> GRBdelconstrs</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00320">environment.cc:320</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a760c8bbae2698a370004ceaaba9d9920"><div class="ttname"><a href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">operations_research::ProtoEnumToString</a></div><div class="ttdeci">std::string ProtoEnumToString(ProtoEnumType enum_value)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00046">port/proto_utils.h:46</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a7cceb4c997fc06f43522a150e7a42791"><div class="ttname"><a href="namespaceoperations__research.html#a7cceb4c997fc06f43522a150e7a42791">operations_research::GRBresetparams</a></div><div class="ttdeci">std::function< int(GRBenv *env)> GRBresetparams</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00386">environment.cc:386</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a7fe5c509c991d915e0adf06e82ede5d4"><div class="ttname"><a href="namespaceoperations__research.html#a7fe5c509c991d915e0adf06e82ede5d4">operations_research::GRBgetdblattrarray</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, int first, int len, double *values)> GRBgetdblattrarray</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00106">environment.cc:106</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a8e39c3c540f2d5f3dc4d99d6150f2751"><div class="ttname"><a href="namespaceoperations__research.html#a8e39c3c540f2d5f3dc4d99d6150f2751">operations_research::GRBupdatemodel</a></div><div class="ttdeci">std::function< int(GRBmodel *model)> GRBupdatemodel</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00333">environment.cc:333</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aa35705a0d741e9feb147aaa89b40e721"><div class="ttname"><a href="namespaceoperations__research.html#aa35705a0d741e9feb147aaa89b40e721">operations_research::GRBsetstrattr</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, const char *newvalue)> GRBsetstrattr</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00119">environment.cc:119</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ab4da3a2847e3ab527685276117114da6"><div class="ttname"><a href="namespaceoperations__research.html#ab4da3a2847e3ab527685276117114da6">operations_research::GRBisattravailable</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname)> GRBisattravailable</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00052">environment.cc:52</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ab850dd307ea088f49af5f192d1b8d553"><div class="ttname"><a href="namespaceoperations__research.html#ab850dd307ea088f49af5f192d1b8d553">operations_research::GRBoptimize</a></div><div class="ttdeci">std::function< int(GRBmodel *model)> GRBoptimize</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00207">environment.cc:207</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac54f445d3f6c5a80d47fb8a9fa210eb6"><div class="ttname"><a href="namespaceoperations__research.html#ac54f445d3f6c5a80d47fb8a9fa210eb6">operations_research::GRBdelvars</a></div><div class="ttdeci">std::function< int(GRBmodel *model, int len, int *ind)> GRBdelvars</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00319">environment.cc:319</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac79aad20cb4baeeb6be9336730973514"><div class="ttname"><a href="namespaceoperations__research.html#ac79aad20cb4baeeb6be9336730973514">operations_research::GurobiIsCorrectlyInstalled</a></div><div class="ttdeci">bool GurobiIsCorrectlyInstalled()</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00030">environment.cc:30</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ace35865bc90d203bec63cd8a3b568201"><div class="ttname"><a href="namespaceoperations__research.html#ace35865bc90d203bec63cd8a3b568201">operations_research::GRBsetcharattrlist</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, int len, int *ind, char *newvalues)> GRBsetcharattrlist</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00093">environment.cc:93</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ad530ac40f508600aa495f638d813748b"><div class="ttname"><a href="namespaceoperations__research.html#ad530ac40f508600aa495f638d813748b">operations_research::GRBnewmodel</a></div><div class="ttdeci">std::function< int(GRBenv *env, GRBmodel **modelP, const char *Pname, int numvars, double *obj, double *lb, double *ub, char *vtype, char **varnames)> GRBnewmodel</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00242">environment.cc:242</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ad811d8a5b2cd5f5b1c3598fad842b00b"><div class="ttname"><a href="namespaceoperations__research.html#ad811d8a5b2cd5f5b1c3598fad842b00b">operations_research::GRBfreeenv</a></div><div class="ttdeci">std::function< void(GRBenv *env)> GRBfreeenv</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00425">environment.cc:425</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ae6308440cc9d3ed5416cf5219f3e1fef"><div class="ttname"><a href="namespaceoperations__research.html#ae6308440cc9d3ed5416cf5219f3e1fef">operations_research::GRBsetdblattr</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, double newvalue)> GRBsetdblattr</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00097">environment.cc:97</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ae77d52eaf76f5d22e25053992ff856c8"><div class="ttname"><a href="namespaceoperations__research.html#ae77d52eaf76f5d22e25053992ff856c8">operations_research::GRBsetintattrarray</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, int first, int len, int *newvalues)> GRBsetintattrarray</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00069">environment.cc:69</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aec892e2b2a70124f41f8b9744adbda67"><div class="ttname"><a href="namespaceoperations__research.html#aec892e2b2a70124f41f8b9744adbda67">operations_research::GRBsetcallbackfunc</a></div><div class="ttdeci">std::function< int(GRBmodel *model, int(GUROBI_STDCALL *cb)(CB_ARGS), void *usrdata)> GRBsetcallbackfunc</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00140">environment.cc:140</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aed6d90d614faac7e243e091d829e1e61"><div class="ttname"><a href="namespaceoperations__research.html#aed6d90d614faac7e243e091d829e1e61">operations_research::GRBgetvars</a></div><div class="ttdeci">std::function< int(GRBmodel *model, int *numnzP, int *vbeg, int *vind, double *vval, int start, int len)> GRBgetvars</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00169">environment.cc:169</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aedf79171b78a3eb8a961a2711de9899f"><div class="ttname"><a href="namespaceoperations__research.html#aedf79171b78a3eb8a961a2711de9899f">operations_research::GRBaddvars</a></div><div class="ttdeci">std::function< int(GRBmodel *model, int numvars, int numnz, int *vbeg, int *vind, double *vval, double *obj, double *lb, double *ub, char *vtype, char **varnames)> GRBaddvars</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00262">environment.cc:262</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_afccf2eccc1e7d4c083e47b0b19ae90be"><div class="ttname"><a href="namespaceoperations__research.html#afccf2eccc1e7d4c083e47b0b19ae90be">operations_research::GRBgetintattr</a></div><div class="ttdeci">std::function< int(GRBmodel *model, const char *attrname, int *valueP)> GRBgetintattr</div><div class="ttdef"><b>Definition:</b> <a href="environment_8cc_source.html#l00055">environment.cc:55</a></div></div>
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<div class="ttc" id="anamespaceutil__time_html_a7c8c9c3cc5c68f173f38b0237da3abc9"><div class="ttname"><a href="namespaceutil__time.html#a7c8c9c3cc5c68f173f38b0237da3abc9">util_time::DecodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< absl::Duration > DecodeGoogleApiProto(const google::protobuf::Duration &proto)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00042">protoutil.h:42</a></div></div>
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<div class="ttc" id="anamespaceutil__time_html_ac1935e49a14ae747b6ee76804b52bf70"><div class="ttname"><a href="namespaceutil__time.html#ac1935e49a14ae747b6ee76804b52bf70">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="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00509">pack.cc:509</a></div></div>
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<div class="ttc" id="aport_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
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<div class="ttc" id="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__search_8cc_html_a6b7983ccd32c86cbbc3d4d9cda4cac17"><div class="ttname"><a href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a></div><div class="ttdeci">int nodes</div><div class="ttdef"><b>Definition:</b> <a href="routing__search_8cc_source.html#l03686">routing_search.cc:3686</a></div></div>
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<div class="ttc" id="asat_2lp__utils_8cc_html_a561d7bf12fc7674b3fe0ad2ba2e175a0"><div class="ttname"><a href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a></div><div class="ttdeci">std::vector< double > lower_bounds</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00497">sat/lp_utils.cc:497</a></div></div>
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<div class="ttc" id="asat_2lp__utils_8cc_html_a88215c8581662c40eec0fb8621c44af3"><div class="ttname"><a href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a></div><div class="ttdeci">std::vector< double > upper_bounds</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00498">sat/lp_utils.cc:498</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="astatus__macros_8h_html"><div class="ttname"><a href="status__macros_8h.html">status_macros.h</a></div></div>
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