2284 lines
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2284 lines
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<div class="headertitle"><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 id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="gurobi__solver_8h.html">ortools/math_opt/solvers/gurobi_solver.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <list></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <optional></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <ostream></span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include <string_view></span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include <tuple></span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "absl/strings/str_join.h"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "absl/strings/string_view.h"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "absl/time/clock.h"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "absl/time/time.h"</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "absl/types/span.h"</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include "<a class="code" href="cleanup_8h.html">ortools/base/cleanup.h</a>"</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "<a class="code" href="linked__hash__map_8h.html">ortools/base/linked_hash_map.h</a>"</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#include "<a class="code" href="protoutil_8h.html">ortools/base/protoutil.h</a>"</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#include "<a class="code" href="base_2status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#include "ortools/math_opt/callback.pb.h"</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor">#include "<a class="code" href="math__opt__proto__utils_8h.html">ortools/math_opt/core/math_opt_proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#include "<a class="code" href="non__streamable__solver__init__arguments_8h.html">ortools/math_opt/core/non_streamable_solver_init_arguments.h</a>"</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="preprocessor">#include "<a class="code" href="solve__interrupter_8h.html">ortools/math_opt/core/solve_interrupter.h</a>"</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="preprocessor">#include "<a class="code" href="solver__interface_8h.html">ortools/math_opt/core/solver_interface.h</a>"</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="preprocessor">#include "<a class="code" href="sparse__vector__view_8h.html">ortools/math_opt/core/sparse_vector_view.h</a>"</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="preprocessor">#include "ortools/math_opt/model.pb.h"</span></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="preprocessor">#include "ortools/math_opt/model_parameters.pb.h"</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="preprocessor">#include "ortools/math_opt/parameters.pb.h"</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="preprocessor">#include "ortools/math_opt/result.pb.h"</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="preprocessor">#include "ortools/math_opt/solution.pb.h"</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#include "ortools/math_opt/solvers/gurobi.pb.h"</span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="preprocessor">#include "<a class="code" href="gurobi__callback_8h.html">ortools/math_opt/solvers/gurobi_callback.h</a>"</span></div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor">#include "<a class="code" href="gurobi__init__arguments_8h.html">ortools/math_opt/solvers/gurobi_init_arguments.h</a>"</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="preprocessor">#include "<a class="code" href="callback__validator_8h.html">ortools/math_opt/validators/callback_validator.h</a>"</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research_1_1math__opt.html">math_opt</a> {</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span>absl::StatusOr<std::unique_ptr<Gurobi>> GurobiFromInitArgs(</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">const</span> SolverInterface::InitArgs& init_args) {</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// We don't test or return an error for incorrect non streamable arguments</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// type since it is already tested by the Solver class.</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">const</span> NonStreamableGurobiInitArguments* <span class="keyword">const</span> non_streamable_args =</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> init_args.non_streamable != <span class="keyword">nullptr</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> ? init_args.non_streamable->ToNonStreamableGurobiInitArguments()</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> : <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> std::unique_ptr<Gurobi> <a class="code hl_variable" href="g__gurobi_8cc.html#ac990cb3bd3735ca93fbc86345df21bd5">gurobi</a>;</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">if</span> (non_streamable_args != <span class="keyword">nullptr</span> &&</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> non_streamable_args->master_env != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_gurobi.html#a6ab1feef4a76b36c368363eefc43cbc2">Gurobi::NewWithSharedMasterEnv</a>(non_streamable_args->master_env);</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (init_args.streamable.has_gurobi() &&</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> init_args.streamable.gurobi().has_isv_key()) {</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1math__opt.html#adaa2af72bbd2804f0f17907b66d974d6">GRBenvUniquePtr</a> env,</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a490252ce76cb865d44d5888d50376e3d">NewMasterEnvironment</a>(init_args.streamable.gurobi().isv_key()));</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_gurobi.html#a1c119c27420d4a14910dfcca2c1bf1d2">Gurobi::New</a>(std::move(env));</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_gurobi.html#a1c119c27420d4a14910dfcca2c1bf1d2">Gurobi::New</a>();</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>}</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="keyword">inline</span> BasisStatusProto ConvertVariableStatus(<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#ad08f48647c5d65e49bcf5d85af8ea724">GRB_BASIC</a>:</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">return</span> BASIS_STATUS_BASIC;</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a22436ee63a37753e3282174cdaf4e2a7">GRB_NONBASIC_LOWER</a>:</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> BASIS_STATUS_AT_LOWER_BOUND;</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a89e1bf71cc27db7ecd18e117a53cf7c2">GRB_NONBASIC_UPPER</a>:</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">return</span> BASIS_STATUS_AT_UPPER_BOUND;</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a01f7f12bd04d094abbfec4d9efaf4474">GRB_SUPERBASIC</a>:</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">return</span> BASIS_STATUS_FREE;</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">return</span> BASIS_STATUS_UNSPECIFIED;</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> }</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="keyword">inline</span> <span class="keywordtype">int</span> GrbVariableStatus(<span class="keyword">const</span> BasisStatusProto <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">case</span> BASIS_STATUS_BASIC:</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> <a class="code hl_define" href="environment_8h.html#ad08f48647c5d65e49bcf5d85af8ea724">GRB_BASIC</a>;</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">case</span> BASIS_STATUS_AT_LOWER_BOUND:</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">case</span> BASIS_STATUS_FIXED_VALUE:</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">return</span> <a class="code hl_define" href="environment_8h.html#a22436ee63a37753e3282174cdaf4e2a7">GRB_NONBASIC_LOWER</a>;</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">case</span> BASIS_STATUS_AT_UPPER_BOUND:</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">return</span> <a class="code hl_define" href="environment_8h.html#a89e1bf71cc27db7ecd18e117a53cf7c2">GRB_NONBASIC_UPPER</a>;</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">case</span> BASIS_STATUS_FREE:</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">return</span> <a class="code hl_define" href="environment_8h.html#a01f7f12bd04d094abbfec4d9efaf4474">GRB_SUPERBASIC</a>;</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">case</span> BASIS_STATUS_UNSPECIFIED:</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Unexpected invalid initial_basis."</span>;</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> }</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>}</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span>GurobiParametersProto MergeParameters(</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">const</span> SolveParametersProto& solve_parameters) {</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> GurobiParametersProto merged_parameters;</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> {</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a0a3ce7c49cba11b567c1d6fdfd732e1a">GRB_INT_PAR_LOGTOCONSOLE</a>);</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> parameter->set_value(solve_parameters.enable_output() ? <span class="stringliteral">"1"</span> : <span class="stringliteral">"0"</span>);</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (solve_parameters.has_time_limit()) {</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> = absl::ToDoubleSeconds(</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_function" href="namespaceutil__time.html#a801584734c5b3898f94cf932202b2eb7">util_time::DecodeGoogleApiProto</a>(solve_parameters.time_limit()).value());</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#af0e9b8eeda1ce58b5199ae2140a76f8d">GRB_DBL_PAR_TIMELIMIT</a>);</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> parameter->set_value(absl::StrCat(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>));</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> }</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">if</span> (solve_parameters.has_node_limit()) {</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#af5ace65d7f1cca6b8638dbeafdc09b55">GRB_DBL_PAR_NODELIMIT</a>);</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> parameter->set_value(absl::StrCat(solve_parameters.node_limit()));</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> }</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">if</span> (solve_parameters.has_threads()) {</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">const</span> <span class="keywordtype">int</span> threads = solve_parameters.threads();</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a40ab1a4641611c40bfd77517d0560166">GRB_INT_PAR_THREADS</a>);</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> parameter->set_value(absl::StrCat(threads));</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">if</span> (solve_parameters.has_absolute_gap_tolerance()) {</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">const</span> <span class="keywordtype">double</span> absolute_gap_tolerance =</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> solve_parameters.absolute_gap_tolerance();</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a3d7bd0e0071f49d72bf51ce4d387e862">GRB_DBL_PAR_MIPGAPABS</a>);</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> parameter->set_value(absl::StrCat(absolute_gap_tolerance));</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> }</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">if</span> (solve_parameters.has_relative_gap_tolerance()) {</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">const</span> <span class="keywordtype">double</span> relative_gap_tolerance =</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> solve_parameters.relative_gap_tolerance();</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a157c7017f73a94539f7c1ea2d764f56e">GRB_DBL_PAR_MIPGAP</a>);</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> parameter->set_value(absl::StrCat(relative_gap_tolerance));</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> }</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">if</span> (solve_parameters.has_cutoff_limit()) {</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a47680f22fe1a9ebc26f0d50e3c66983b">GRB_DBL_PAR_CUTOFF</a>);</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> parameter->set_value(absl::StrCat(solve_parameters.cutoff_limit()));</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> }</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">if</span> (solve_parameters.has_objective_limit()) {</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#aa31c9bd1d35a63ef947f07d5240b82e2">GRB_DBL_PAR_BESTOBJSTOP</a>);</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> parameter->set_value(absl::StrCat(solve_parameters.objective_limit()));</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> }</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">if</span> (solve_parameters.has_best_bound_limit()) {</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a8c6920108a9184778fb5fe1ecb694ae5">GRB_DBL_PAR_BESTBDSTOP</a>);</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> parameter->set_value(absl::StrCat(solve_parameters.best_bound_limit()));</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">if</span> (solve_parameters.has_solution_limit()) {</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a1d8c45a6070f64cf0c2f8891a904ca74">GRB_INT_PAR_SOLUTIONLIMIT</a>);</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> parameter->set_value(absl::StrCat(solve_parameters.solution_limit()));</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">if</span> (solve_parameters.has_random_seed()) {</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">const</span> <span class="keywordtype">int</span> random_seed =</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(<a class="code hl_define" href="environment_8h.html#aaeec08d31335c6a13ff639dff0f4daa5">GRB_MAXINT</a>, <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(solve_parameters.random_seed(), 0));</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> merged_parameters.add_parameters();</div>
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|
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a317d0241017cd770a8554749944bf1b6">GRB_INT_PAR_SEED</a>);</div>
|
|
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> parameter->set_value(absl::StrCat(random_seed));</div>
|
|
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> }</div>
|
|
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
|
|
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">if</span> (solve_parameters.lp_algorithm() != LP_ALGORITHM_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> merged_parameters.add_parameters();</div>
|
|
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a5397bab46d83535262cfd4f82ffcaf3e">GRB_INT_PAR_METHOD</a>);</div>
|
|
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keywordflow">switch</span> (solve_parameters.lp_algorithm()) {</div>
|
|
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">case</span> LP_ALGORITHM_PRIMAL_SIMPLEX:</div>
|
|
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> parameter->set_value(absl::StrCat(<a class="code hl_define" href="environment_8h.html#aee06842200f9ea6a52cd072655bde971">GRB_METHOD_PRIMAL</a>));</div>
|
|
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordflow">case</span> LP_ALGORITHM_DUAL_SIMPLEX:</div>
|
|
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> parameter->set_value(absl::StrCat(<a class="code hl_define" href="environment_8h.html#ac83a71f7ce20ef826c2fe19ded699f4e">GRB_METHOD_DUAL</a>));</div>
|
|
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">case</span> LP_ALGORITHM_BARRIER:</div>
|
|
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> parameter->set_value(absl::StrCat(<a class="code hl_define" href="environment_8h.html#a7ba686d89ff3ad70a4647775fb7ff04f">GRB_METHOD_BARRIER</a>));</div>
|
|
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"LPAlgorithm: "</span></div>
|
|
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(solve_parameters.lp_algorithm())</div>
|
|
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> }</div>
|
|
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> }</div>
|
|
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
|
|
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">if</span> (solve_parameters.scaling() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> merged_parameters.add_parameters();</div>
|
|
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a711a2db88b574a2e8ba3284eb2da1285">GRB_INT_PAR_SCALEFLAG</a>);</div>
|
|
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">switch</span> (solve_parameters.scaling()) {</div>
|
|
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> parameter->set_value(absl::StrCat(0));</div>
|
|
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> parameter->set_value(absl::StrCat(1));</div>
|
|
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> parameter->set_value(absl::StrCat(2));</div>
|
|
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> parameter->set_value(absl::StrCat(3));</div>
|
|
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Scaling emphasis: "</span></div>
|
|
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(solve_parameters.scaling())</div>
|
|
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> }</div>
|
|
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> }</div>
|
|
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
|
|
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordflow">if</span> (solve_parameters.cuts() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> merged_parameters.add_parameters();</div>
|
|
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a2370d4404d39aef86bda6ba3348d1fc9">GRB_INT_PAR_CUTS</a>);</div>
|
|
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">switch</span> (solve_parameters.cuts()) {</div>
|
|
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> parameter->set_value(absl::StrCat(0));</div>
|
|
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> parameter->set_value(absl::StrCat(1));</div>
|
|
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> parameter->set_value(absl::StrCat(2));</div>
|
|
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> parameter->set_value(absl::StrCat(3));</div>
|
|
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Cuts emphasis: "</span></div>
|
|
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(solve_parameters.cuts())</div>
|
|
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> }</div>
|
|
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> }</div>
|
|
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
|
|
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">if</span> (solve_parameters.heuristics() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> merged_parameters.add_parameters();</div>
|
|
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a7a847fd81493698f8b079802cd6ff99b">GRB_DBL_PAR_HEURISTICS</a>);</div>
|
|
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">switch</span> (solve_parameters.heuristics()) {</div>
|
|
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> parameter->set_value(absl::StrCat(0.0));</div>
|
|
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> parameter->set_value(absl::StrCat(0.025));</div>
|
|
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="comment">// As of Gurobi 9.1 this is the default value.</span></div>
|
|
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="comment">// https://www.gurobi.com/documentation/9.1/refman/heuristics.html</span></div>
|
|
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> parameter->set_value(absl::StrCat(0.05));</div>
|
|
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> parameter->set_value(absl::StrCat(0.1));</div>
|
|
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> parameter->set_value(absl::StrCat(0.2));</div>
|
|
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Heuristics emphasis: "</span></div>
|
|
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(solve_parameters.heuristics())</div>
|
|
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> }</div>
|
|
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> }</div>
|
|
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> </div>
|
|
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">if</span> (solve_parameters.presolve() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> parameter =</div>
|
|
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> merged_parameters.add_parameters();</div>
|
|
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> parameter->set_name(<a class="code hl_define" href="environment_8h.html#a357ade6bc740533e34fc725fb57564ee">GRB_INT_PAR_PRESOLVE</a>);</div>
|
|
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">switch</span> (solve_parameters.presolve()) {</div>
|
|
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> parameter->set_value(absl::StrCat(0));</div>
|
|
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> parameter->set_value(absl::StrCat(1));</div>
|
|
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> parameter->set_value(absl::StrCat(2));</div>
|
|
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Presolve emphasis: "</span></div>
|
|
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(solve_parameters.presolve())</div>
|
|
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> << <span class="stringliteral">" unknown, error setting Gurobi parameters"</span>;</div>
|
|
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
|
|
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> }</div>
|
|
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keywordflow">if</span> (solve_parameters.has_iteration_limit()) {</div>
|
|
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> iterationlimit =</div>
|
|
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> merged_parameters.add_parameters();</div>
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|
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> iterationlimit->set_name(<a class="code hl_define" href="environment_8h.html#a530484175e32c03912ce0390eea79893">GRB_DBL_PAR_ITERATIONLIMIT</a>);</div>
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|
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> iterationlimit->set_value(absl::StrCat(solve_parameters.iteration_limit()));</div>
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|
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> GurobiParametersProto::Parameter* <span class="keyword">const</span> bariterlimit =</div>
|
|
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> merged_parameters.add_parameters();</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> bariterlimit->set_name(<a class="code hl_define" href="environment_8h.html#a00f4210121ba8c6e91d62a9abbf8621d">GRB_INT_PAR_BARITERLIMIT</a>);</div>
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|
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordtype">double</span> val = std::min<double>(<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int32_t>::max</a>(),</div>
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|
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> solve_parameters.iteration_limit());</div>
|
|
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> bariterlimit->set_value(absl::StrCat(val));</div>
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|
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> }</div>
|
|
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> GurobiParametersProto::Parameter& parameter :</div>
|
|
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> solve_parameters.gurobi().parameters()) {</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> *merged_parameters.add_parameters() = parameter;</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> }</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
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|
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">return</span> merged_parameters;</div>
|
|
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span>}</div>
|
|
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
|
|
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</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 id="l00362" name="l00362"></a><span class="lineno"> 362</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 id="l00363" name="l00363"></a><span class="lineno"> 363</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 id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> absl::StrCat(<span class="stringliteral">"Expected double "</span>, d, <span class="stringliteral">" to contain an int64_t."</span>));</div>
|
|
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> }</div>
|
|
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span>}</div>
|
|
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> </div>
|
|
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span><span class="keyword">const</span> absl::flat_hash_set<CallbackEventProto>& SupportedMIPEvents() {</div>
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|
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">auto</span>* <span class="keyword">const</span> kEvents =</div>
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|
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">new</span> absl::flat_hash_set<CallbackEventProto>({</div>
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|
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> CALLBACK_EVENT_PRESOLVE, CALLBACK_EVENT_SIMPLEX, CALLBACK_EVENT_MIP,</div>
|
|
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> CALLBACK_EVENT_MIP_SOLUTION, CALLBACK_EVENT_MIP_NODE,</div>
|
|
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// CALLBACK_EVENT_BARRIER is not supported when solving MIPs; it turns</span></div>
|
|
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="comment">// out that Gurobi uses a barrier algorithm to solve the root node</span></div>
|
|
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="comment">// relaxation (from the traces) but does not call the associated</span></div>
|
|
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="comment">// callback.</span></div>
|
|
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> });</div>
|
|
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">return</span> *kEvents;</div>
|
|
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span>}</div>
|
|
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> </div>
|
|
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span><span class="keyword">const</span> absl::flat_hash_set<CallbackEventProto>& SupportedLPEvents() {</div>
|
|
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">auto</span>* <span class="keyword">const</span> kEvents =</div>
|
|
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="keyword">new</span> absl::flat_hash_set<CallbackEventProto>({</div>
|
|
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> CALLBACK_EVENT_PRESOLVE,</div>
|
|
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> CALLBACK_EVENT_SIMPLEX,</div>
|
|
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> CALLBACK_EVENT_BARRIER,</div>
|
|
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> });</div>
|
|
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keywordflow">return</span> *kEvents;</div>
|
|
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span>}</div>
|
|
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
|
|
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span><span class="comment">// Gurobi names (model, variables and constraints) must be no longer than 255</span></div>
|
|
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span><span class="comment">// characters; or Gurobi fails with an error.</span></div>
|
|
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span><span class="keyword">constexpr</span> std::size_t kMaxNameSize = 255;</div>
|
|
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> </div>
|
|
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span><span class="comment">// Returns a string of at most kMaxNameSize max size.</span></div>
|
|
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span>std::string TruncateName(<span class="keyword">const</span> std::string_view original_name) {</div>
|
|
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keywordflow">return</span> std::string(</div>
|
|
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> original_name.substr(0, <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(kMaxNameSize, original_name.size())));</div>
|
|
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span>}</div>
|
|
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> </div>
|
|
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span><span class="comment">// Truncate the names of variables and constraints.</span></div>
|
|
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span>std::vector<std::string> TruncateNames(</div>
|
|
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keyword">const</span> google::protobuf::RepeatedPtrField<std::string>& original_names) {</div>
|
|
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> std::vector<std::string> result;</div>
|
|
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> result.reserve(original_names.size());</div>
|
|
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::string& original_name : original_names) {</div>
|
|
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> result.push_back(TruncateName(original_name));</div>
|
|
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> }</div>
|
|
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span>}</div>
|
|
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> </div>
|
|
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span>} <span class="comment">// namespace</span></div>
|
|
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> </div>
|
|
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span>GurobiSolver::GurobiSolver(std::unique_ptr<Gurobi> g_gurobi)</div>
|
|
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> : gurobi_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(g_gurobi)) {}</div>
|
|
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> </div>
|
|
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span><span class="keywordtype">int</span> GurobiSolver::num_gurobi_constraints()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="keywordflow">return</span> linear_constraints_map_.size();</div>
|
|
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span>}</div>
|
|
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> </div>
|
|
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span>absl::StatusOr<TerminationProto> GurobiSolver::ConvertTerminationReason(</div>
|
|
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keyword">const</span> <span class="keywordtype">int</span> gurobi_status, <span class="keyword">const</span> SolutionClaims solution_claims) {</div>
|
|
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="keywordflow">switch</span> (gurobi_status) {</div>
|
|
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a>:</div>
|
|
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_OPTIMAL);</div>
|
|
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#aa9bc09ccb0ac12cee4fe48135431ddbd">GRB_INFEASIBLE</a>:</div>
|
|
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_INFEASIBLE);</div>
|
|
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#abd5c8ac4f5b0f0cecb20fa655300196e">GRB_UNBOUNDED</a>:</div>
|
|
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordflow">if</span> (solution_claims.primal_feasible_solution_exists) {</div>
|
|
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_UNBOUNDED);</div>
|
|
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> }</div>
|
|
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_INFEASIBLE_OR_UNBOUNDED,</div>
|
|
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="stringliteral">"Gurobi status GRB_UNBOUNDED"</span>);</div>
|
|
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#aa551017c0b845fd228540c78841bbb68">GRB_INF_OR_UNBD</a>:</div>
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|
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_INFEASIBLE_OR_UNBOUNDED,</div>
|
|
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="stringliteral">"Gurobi status GRB_INF_OR_UNBD"</span>);</div>
|
|
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#abd3911c6711cb8b337661a06a32cfb5c">GRB_CUTOFF</a>:</div>
|
|
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(LIMIT_CUTOFF,</div>
|
|
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="comment">/*feasible=*/</span><span class="keyword">false</span>, <span class="stringliteral">"Gurobi status GRB_CUTOFF"</span>);</div>
|
|
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#ae7fb7f0d52f101d68375a248dc9c2292">GRB_ITERATION_LIMIT</a>:</div>
|
|
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(</div>
|
|
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> LIMIT_ITERATION,</div>
|
|
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="comment">/*feasible=*/</span>solution_claims.primal_feasible_solution_exists);</div>
|
|
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a5fd7f1e209885e3d6e47ea3a11f65340">GRB_NODE_LIMIT</a>:</div>
|
|
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(</div>
|
|
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> LIMIT_NODE,</div>
|
|
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="comment">/*feasible=*/</span>solution_claims.primal_feasible_solution_exists);</div>
|
|
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a88e6e7461317d51db8df85aef54b2314">GRB_TIME_LIMIT</a>:</div>
|
|
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(</div>
|
|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> LIMIT_TIME,</div>
|
|
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="comment">/*feasible=*/</span>solution_claims.primal_feasible_solution_exists);</div>
|
|
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a1ccb20da4b43c27111e26d4532fd31e0">GRB_SOLUTION_LIMIT</a>:</div>
|
|
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(</div>
|
|
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> LIMIT_SOLUTION,</div>
|
|
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="comment">/*feasible=*/</span>solution_claims.primal_feasible_solution_exists);</div>
|
|
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#ad94393e90e9408cdb85e65d8891a3aa2">GRB_INTERRUPTED</a>:</div>
|
|
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(</div>
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|
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> LIMIT_INTERRUPTED,</div>
|
|
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="comment">/*feasible=*/</span>solution_claims.primal_feasible_solution_exists);</div>
|
|
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#aed597d8d7382b426945d77fefd1df219">GRB_NUMERIC</a>:</div>
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|
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_NUMERICAL_ERROR);</div>
|
|
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#aa7bde7d4791541f5f0ebfe2ae44841df">GRB_SUBOPTIMAL</a>:</div>
|
|
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(TERMINATION_REASON_IMPRECISE);</div>
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|
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#af5e46a0de8a1d1c40d1f88da9cf7dabe">GRB_USER_OBJ_LIMIT</a>:</div>
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|
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="comment">// TODO(b/214567536): maybe we should override</span></div>
|
|
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">// solution_claims.primal_feasible_solution_exists to true or false</span></div>
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|
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="comment">// depending on whether objective_limit and best_bound_limit triggered</span></div>
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|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="comment">// this. Not sure if it's possible to detect this though.</span></div>
|
|
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(</div>
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|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> LIMIT_OBJECTIVE,</div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="comment">/*feasible=*/</span>solution_claims.primal_feasible_solution_exists);</div>
|
|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a974f168fa074bac37be196bc6c6c008f">GRB_LOADED</a>:</div>
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|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="stringliteral">"Error creating termination reason, unexpected gurobi status code "</span></div>
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|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="stringliteral">"GRB_LOADED."</span>);</div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#a9d5e5e5c915a5ee39d46a4920acae69e">GRB_INPROGRESS</a>:</div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="stringliteral">"Error creating termination reason, unexpected gurobi status code "</span></div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="stringliteral">"GRB_INPROGRESS."</span>);</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="keywordflow">default</span>:</div>
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|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="keywordflow">return</span> absl::InternalError(absl::StrCat(</div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="stringliteral">"Missing Gurobi optimization status code case: "</span>, gurobi_status));</div>
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|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> }</div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span>}</div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> </div>
|
|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span>absl::StatusOr<bool> GurobiSolver::IsMaximize()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> obj_sense,</div>
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|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a>));</div>
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|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <span class="keywordflow">return</span> obj_sense == <a class="code hl_define" href="environment_8h.html#a1d47332af7cf793e9b5cc80998ea4afe">GRB_MAXIMIZE</a>;</div>
|
|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span>}</div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> </div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span>absl::StatusOr<bool> GurobiSolver::IsLP()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_mip, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#a818911c41b6c6db875cc4296cb7a861a">GRB_INT_ATTR_IS_MIP</a>));</div>
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|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_qp, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#a53aa4448d8ded22274939383658c1d80">GRB_INT_ATTR_IS_QP</a>));</div>
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|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_qcp, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#aa16b413021738f1ca6d7bc00f8ed7d56">GRB_INT_ATTR_IS_QCP</a>));</div>
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|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</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 id="l00499" name="l00499"></a><span class="lineno"> 499</span> !<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(is_qcp);</div>
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|
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span>}</div>
|
|
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> </div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span><span class="comment">// TODO(b/204595455): Revisit logic when nonconvex QP support is decided upon</span></div>
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|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span>absl::StatusOr<bool> GurobiSolver::IsQP()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_mip, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#a818911c41b6c6db875cc4296cb7a861a">GRB_INT_ATTR_IS_MIP</a>));</div>
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|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_qp, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#a53aa4448d8ded22274939383658c1d80">GRB_INT_ATTR_IS_QP</a>));</div>
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|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_qcp, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#aa16b413021738f1ca6d7bc00f8ed7d56">GRB_INT_ATTR_IS_QCP</a>));</div>
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|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</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 id="l00508" name="l00508"></a><span class="lineno"> 508</span> !<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(is_qcp);</div>
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|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span>}</div>
|
|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> </div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span><span class="comment">// TODO(user): switch the use of this function to something closer to</span></div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span><span class="comment">// GetGurobiDualRay()</span></div>
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|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span><span class="keywordtype">void</span> GurobiSolver::GurobiVectorToSparseDoubleVector(</div>
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<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="keyword">const</span> absl::Span<const double> gurobi_values, <span class="keyword">const</span> T& map,</div>
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|
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> SparseDoubleVectorProto& result,</div>
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|
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keyword">const</span> SparseVectorFilterProto& filter)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> SparseVectorFilterPredicate predicate(filter);</div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</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 id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = gurobi_values[get_model_index(gurobi_data)];</div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> result.add_ids(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> result.add_values(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> }</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> }</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span>}</div>
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|
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> </div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span>absl::Status GurobiSolver::SetGurobiBasis(<span class="keyword">const</span> BasisProto& basis) {</div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> std::vector<int> gurobi_variable_basis_status(num_gurobi_variables_);</div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(basis.variable_status())) {</div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> gurobi_variable_basis_status[variables_map_.at(<span class="keywordtype">id</span>)] =</div>
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|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> GrbVariableStatus(<span class="keyword">static_cast<</span>BasisStatusProto<span class="keyword">></span>(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> }</div>
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|
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> </div>
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<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> std::vector<int> gurobi_constraint_basis_status;</div>
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<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> gurobi_constraint_basis_status.reserve(num_gurobi_constraints());</div>
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<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(basis.constraint_status())) {</div>
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<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="keyword">const</span> ConstraintData& constraint_data = linear_constraints_map_.at(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <span class="comment">// Non-ranged constraints</span></div>
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<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordflow">if</span> (constraint_data.slack_index == kUnspecifiedIndex) {</div>
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<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == BASIS_STATUS_BASIC) {</div>
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<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> gurobi_constraint_basis_status.push_back(kGrbBasicConstraint);</div>
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<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> gurobi_constraint_basis_status.push_back(kGrbNonBasicConstraint);</div>
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|
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> }</div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="comment">// Ranged constraints</span></div>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == BASIS_STATUS_BASIC) {</div>
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|
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</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 id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="comment">// columns for MathOpt slack and internal Gurobi slack are linearly</span></div>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="comment">// dependent). We choose the MathOpt slack to be basic.</span></div>
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<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> gurobi_variable_basis_status[constraint_data.slack_index] = <a class="code hl_define" href="environment_8h.html#ad08f48647c5d65e49bcf5d85af8ea724">GRB_BASIC</a>;</div>
|
|
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> gurobi_constraint_basis_status.push_back(kGrbNonBasicConstraint);</div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> gurobi_variable_basis_status[constraint_data.slack_index] =</div>
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|
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> GrbVariableStatus(<span class="keyword">static_cast<</span>BasisStatusProto<span class="keyword">></span>(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> gurobi_constraint_basis_status.push_back(kGrbNonBasicConstraint);</div>
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|
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> }</div>
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<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> }</div>
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<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntAttrArray(<a class="code hl_define" href="environment_8h.html#a29ebfd349621b3bdff29bedc3a30a547">GRB_INT_ATTR_VBASIS</a>,</div>
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> gurobi_variable_basis_status));</div>
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntAttrArray(<a class="code hl_define" href="environment_8h.html#ac62018893f550c089f864ee7b930a577">GRB_INT_ATTR_CBASIS</a>,</div>
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<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> gurobi_constraint_basis_status));</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span>}</div>
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<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> </div>
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<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span>absl::StatusOr<BasisProto> GurobiSolver::GetGurobiBasis() {</div>
|
|
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> BasisProto basis;</div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keyword">const</span> std::vector<int> gurobi_variable_basis_status,</div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> gurobi_->GetIntAttrArray(<a class="code hl_define" href="environment_8h.html#a29ebfd349621b3bdff29bedc3a30a547">GRB_INT_ATTR_VBASIS</a>, num_gurobi_variables_));</div>
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> </div>
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<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</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 id="l00573" name="l00573"></a><span class="lineno"> 573</span> basis.mutable_variable_status()->add_ids(variable_id);</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <span class="keyword">const</span> BasisStatusProto variable_status = ConvertVariableStatus(</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> gurobi_variable_basis_status[gurobi_variable_index]);</div>
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="keywordflow">if</span> (variable_status == BASIS_STATUS_UNSPECIFIED) {</div>
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<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> absl::StrCat(<span class="stringliteral">"Invalid Gurobi variable basis status: "</span>,</div>
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|
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> gurobi_variable_basis_status[gurobi_variable_index]));</div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> }</div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> basis.mutable_variable_status()->add_values(variable_status);</div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> }</div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> </div>
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<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <span class="keyword">const</span> std::vector<int> gurobi_constraint_basis_status,</div>
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|
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> gurobi_->GetIntAttrArray(<a class="code hl_define" href="environment_8h.html#ac62018893f550c089f864ee7b930a577">GRB_INT_ATTR_CBASIS</a>, num_gurobi_constraints()));</div>
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|
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> [constraint_id, gurobi_data] : linear_constraints_map_) {</div>
|
|
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> basis.mutable_constraint_status()->add_ids(constraint_id);</div>
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|
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keyword">const</span> <span class="keywordtype">int</span> gurobi_constraint_status =</div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> gurobi_constraint_basis_status[gurobi_data.constraint_index];</div>
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|
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="keywordflow">if</span> ((gurobi_constraint_status != kGrbBasicConstraint) &&</div>
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|
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> (gurobi_constraint_status != kGrbNonBasicConstraint)) {</div>
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|
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> absl::StrCat(<span class="stringliteral">"Invalid Gurobi constraint basis status: "</span>,</div>
|
|
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> gurobi_constraint_status));</div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> }</div>
|
|
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <span class="comment">// linear_terms <= upper_bound</span></div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="keywordflow">if</span> (gurobi_data.lower_bound <= -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> gurobi_data.upper_bound < <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <span class="keywordflow">if</span> (gurobi_constraint_status == kGrbBasicConstraint) {</div>
|
|
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> basis.mutable_constraint_status()->add_values(BASIS_STATUS_BASIC);</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> basis.mutable_constraint_status()->add_values(</div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> BASIS_STATUS_AT_UPPER_BOUND);</div>
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|
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> }</div>
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|
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> <span class="comment">// linear_terms >= lower_bound</span></div>
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|
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (gurobi_data.lower_bound > -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> gurobi_data.upper_bound >= <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
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|
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="keywordflow">if</span> (gurobi_constraint_status == kGrbBasicConstraint) {</div>
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<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> basis.mutable_constraint_status()->add_values(BASIS_STATUS_BASIC);</div>
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|
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> basis.mutable_constraint_status()->add_values(</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> BASIS_STATUS_AT_LOWER_BOUND);</div>
|
|
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> }</div>
|
|
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="comment">// linear_terms == xxxxx_bound</span></div>
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|
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</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 id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">if</span> (gurobi_constraint_status == kGrbBasicConstraint) {</div>
|
|
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> basis.mutable_constraint_status()->add_values(BASIS_STATUS_BASIC);</div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="comment">// TODO(user): consider refining this to</span></div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</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 id="l00622" name="l00622"></a><span class="lineno"> 622</span> basis.mutable_constraint_status()->add_values(BASIS_STATUS_FIXED_VALUE);</div>
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> }</div>
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|
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <span class="comment">// linear_term - slack == 0 (ranged constraint)</span></div>
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|
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <span class="keyword">const</span> BasisStatusProto slack_status = ConvertVariableStatus(</div>
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|
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> gurobi_variable_basis_status[gurobi_data.slack_index]);</div>
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|
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> <span class="keywordflow">if</span> (slack_status == BASIS_STATUS_UNSPECIFIED) {</div>
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<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="keywordflow">return</span> absl::InternalError(absl::StrCat(</div>
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|
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="stringliteral">"Invalid Gurobi slack variable basis status: "</span>, slack_status));</div>
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|
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> }</div>
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|
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="keywordflow">if</span> ((gurobi_constraint_status == kGrbBasicConstraint) ||</div>
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<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> (slack_status == BASIS_STATUS_BASIC)) {</div>
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|
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> basis.mutable_constraint_status()->add_values(BASIS_STATUS_BASIC);</div>
|
|
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> basis.mutable_constraint_status()->add_values(slack_status);</div>
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|
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> }</div>
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|
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> }</div>
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|
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> }</div>
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|
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="keywordflow">return</span> basis;</div>
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|
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span>}</div>
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|
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> </div>
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|
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span><span class="comment">// See go/mathopt-dev-transformations#gurobi-inf for details of this</span></div>
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|
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span><span class="comment">// transformation, comments inside the function refer to the notation there.</span></div>
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|
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span>absl::StatusOr<DualRayProto> GurobiSolver::GetGurobiDualRay(</div>
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|
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <span class="keyword">const</span> SparseVectorFilterProto& linear_constraints_filter,</div>
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<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</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 id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="comment">// farkas_dual = lambda</span></div>
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<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> std::vector<double> farkas_dual,</div>
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<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#ad4f15b204103e9839f45c2da44bff576">GRB_DBL_ATTR_FARKASDUAL</a>,</div>
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|
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> num_gurobi_constraints()));</div>
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|
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> </div>
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|
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> DualRayProto dual_ray;</div>
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<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> </div>
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<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="comment">// Compute y = -lambda</span></div>
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|
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> {</div>
|
|
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> SparseVectorFilterPredicate predicate(linear_constraints_filter);</div>
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<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</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 id="l00659" name="l00659"></a><span class="lineno"> 659</span> <span class="comment">// constraint_dual_value = y[constraint_id]</span></div>
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|
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = -farkas_dual[gurobi_data.constraint_index];</div>
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|
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(constraint_id, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> dual_ray.mutable_dual_values()->add_ids(constraint_id);</div>
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|
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <span class="keywordflow">if</span> (is_maximize) {</div>
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|
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> dual_ray.mutable_dual_values()->add_values(-<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> dual_ray.mutable_dual_values()->add_values(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> }</div>
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|
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> }</div>
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<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> }</div>
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<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> }</div>
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<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> </div>
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<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> <span class="comment">// Compute r = \bar{a} = A^T lambda</span></div>
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|
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> {</div>
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<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> SparseVectorFilterPredicate predicate(variables_filter);</div>
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<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> [var_id, gurobi_variable_index] : variables_map_) {</div>
|
|
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">// reduced_cost_value = r[gurobi_variable_index]</span></div>
|
|
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="comment">// = \bar{a}[gurobi_variable_index]</span></div>
|
|
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="keywordtype">double</span> reduced_cost_value = 0.0;</div>
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|
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(Gurobi::SparseMat column,</div>
|
|
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> gurobi_->GetVars(gurobi_variable_index, 1));</div>
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|
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < column.inds.size(); ++i) {</div>
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|
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> reduced_cost_value += farkas_dual[column.inds[i]] * column.vals[i];</div>
|
|
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> }</div>
|
|
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(var_id, reduced_cost_value)) {</div>
|
|
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> dual_ray.mutable_reduced_costs()->add_ids(var_id);</div>
|
|
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> <span class="keywordflow">if</span> (is_maximize) {</div>
|
|
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> dual_ray.mutable_reduced_costs()->add_values(-reduced_cost_value);</div>
|
|
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> dual_ray.mutable_reduced_costs()->add_values(reduced_cost_value);</div>
|
|
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> }</div>
|
|
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> }</div>
|
|
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> }</div>
|
|
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> }</div>
|
|
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> <span class="keywordflow">return</span> dual_ray;</div>
|
|
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span>}</div>
|
|
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> </div>
|
|
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span>absl::StatusOr<ProblemStatusProto> GurobiSolver::GetProblemStatus(</div>
|
|
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination, <span class="keyword">const</span> SolutionClaims solution_claims) {</div>
|
|
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> ProblemStatusProto problem_status;</div>
|
|
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> </div>
|
|
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> <span class="comment">// Set default statuses</span></div>
|
|
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> problem_status.set_primal_status(FEASIBILITY_STATUS_UNDETERMINED);</div>
|
|
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> problem_status.set_dual_status(FEASIBILITY_STATUS_UNDETERMINED);</div>
|
|
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> </div>
|
|
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="comment">// Set feasibility statuses</span></div>
|
|
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <span class="keywordflow">if</span> (solution_claims.primal_feasible_solution_exists) {</div>
|
|
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> problem_status.set_primal_status(FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> }</div>
|
|
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> <span class="keywordflow">if</span> (solution_claims.dual_feasible_solution_exists) {</div>
|
|
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> problem_status.set_dual_status(FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> }</div>
|
|
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> </div>
|
|
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> <span class="comment">// Process infeasible conclusions from grb_termination.</span></div>
|
|
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> <span class="keywordflow">switch</span> (grb_termination) {</div>
|
|
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#aa9bc09ccb0ac12cee4fe48135431ddbd">GRB_INFEASIBLE</a>:</div>
|
|
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> problem_status.set_primal_status(FEASIBILITY_STATUS_INFEASIBLE);</div>
|
|
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keywordflow">if</span> (solution_claims.primal_feasible_solution_exists) {</div>
|
|
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <span class="stringliteral">"GRB_INT_ATTR_STATUS == GRB_INFEASIBLE, but a primal feasible "</span></div>
|
|
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="stringliteral">"solution was returned."</span>);</div>
|
|
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> }</div>
|
|
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#abd5c8ac4f5b0f0cecb20fa655300196e">GRB_UNBOUNDED</a>:</div>
|
|
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> <span class="comment">// GRB_UNBOUNDED does necessarily imply the primal is feasible</span></div>
|
|
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> <span class="comment">// https://www.gurobi.com/documentation/9.1/refman/optimization_status_codes.html</span></div>
|
|
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> problem_status.set_dual_status(FEASIBILITY_STATUS_INFEASIBLE);</div>
|
|
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <span class="keywordflow">if</span> (solution_claims.dual_feasible_solution_exists) {</div>
|
|
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> <span class="stringliteral">"GRB_INT_ATTR_STATUS == GRB_UNBOUNDED, but a dual feasible "</span></div>
|
|
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> <span class="stringliteral">"solution was returned or exists."</span>);</div>
|
|
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> }</div>
|
|
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> <span class="keywordflow">case</span> <a class="code hl_define" href="environment_8h.html#aa551017c0b845fd228540c78841bbb68">GRB_INF_OR_UNBD</a>:</div>
|
|
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> problem_status.set_primal_or_dual_infeasible(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <span class="keywordflow">if</span> (solution_claims.primal_feasible_solution_exists) {</div>
|
|
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> <span class="stringliteral">"GRB_INT_ATTR_STATUS == GRB_INF_OR_UNBD, but a primal feasible "</span></div>
|
|
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="stringliteral">"solution was returned."</span>);</div>
|
|
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> }</div>
|
|
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> <span class="keywordflow">if</span> (solution_claims.dual_feasible_solution_exists) {</div>
|
|
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> <span class="keywordflow">return</span> absl::InternalError(</div>
|
|
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> <span class="stringliteral">"GRB_INT_ATTR_STATUS == GRB_INF_OR_UNBD, but a dual feasible "</span></div>
|
|
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> <span class="stringliteral">"solution was returned or exists."</span>);</div>
|
|
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> }</div>
|
|
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> }</div>
|
|
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <span class="keywordflow">return</span> problem_status;</div>
|
|
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span>}</div>
|
|
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> </div>
|
|
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span>absl::StatusOr<SolveResultProto> GurobiSolver::ExtractSolveResultProto(</div>
|
|
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> <span class="keyword">const</span> absl::Time <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
|
|
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> SolveResultProto result;</div>
|
|
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> </div>
|
|
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="comment">// TODO(b/195295177): Add tests for rays in unbounded MIPs</span></div>
|
|
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(FillRays(model_parameters, result));</div>
|
|
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> </div>
|
|
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>((<span class="keyword">auto</span> [solutions, solution_claims]),</div>
|
|
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> GetSolutions(model_parameters));</div>
|
|
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> </div>
|
|
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>& solution : solutions) {</div>
|
|
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> *result.add_solutions() = std::move(solution);</div>
|
|
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> }</div>
|
|
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> </div>
|
|
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(*result.mutable_solve_stats(),</div>
|
|
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> GetSolveStats(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, solution_claims));</div>
|
|
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> </div>
|
|
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
|
|
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
|
|
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(*result.mutable_termination(),</div>
|
|
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> ConvertTerminationReason(grb_termination, solution_claims));</div>
|
|
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> <span class="keywordflow">return</span> std::move(result);</div>
|
|
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span>}</div>
|
|
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> </div>
|
|
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span>absl::StatusOr<GurobiSolver::SolutionsAndClaims> GurobiSolver::GetSolutions(</div>
|
|
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
|
|
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_lp, IsLP());</div>
|
|
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_qp, IsQP());</div>
|
|
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> </div>
|
|
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="keywordflow">if</span> (is_lp) {</div>
|
|
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> <span class="keywordflow">return</span> GetLpSolution(model_parameters);</div>
|
|
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (is_qp) {</div>
|
|
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <span class="keywordflow">return</span> GetQpSolution(model_parameters);</div>
|
|
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> <span class="keywordflow">return</span> GetMipSolutions(model_parameters);</div>
|
|
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> }</div>
|
|
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span>}</div>
|
|
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> </div>
|
|
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span>absl::StatusOr<SolveStatsProto> GurobiSolver::GetSolveStats(</div>
|
|
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> <span class="keyword">const</span> absl::Time <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, <span class="keyword">const</span> SolutionClaims solution_claims) {</div>
|
|
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> SolveStatsProto solve_stats;</div>
|
|
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> </div>
|
|
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a>(absl::Now() - <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>,</div>
|
|
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> solve_stats.mutable_solve_time()));</div>
|
|
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> </div>
|
|
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> best_primal_bound,</div>
|
|
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> GetBestPrimalBound(</div>
|
|
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> <span class="comment">/*has_primal_feasible_solution=*/</span>solution_claims</div>
|
|
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> .primal_feasible_solution_exists));</div>
|
|
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> solve_stats.set_best_primal_bound(best_primal_bound);</div>
|
|
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> </div>
|
|
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keywordtype">double</span> best_dual_bound, GetBestDualBound());</div>
|
|
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> solve_stats.set_best_dual_bound(best_dual_bound);</div>
|
|
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> </div>
|
|
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
|
|
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
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|
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>((*solve_stats.mutable_problem_status()),</div>
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<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> GetProblemStatus(grb_termination, solution_claims));</div>
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<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> </div>
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<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a3f863a94da605ae51aa79a9d547bc9ac">GRB_DBL_ATTR_ITERCOUNT</a>)) {</div>
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<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> simplex_iters_double,</div>
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|
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a3f863a94da605ae51aa79a9d547bc9ac">GRB_DBL_ATTR_ITERCOUNT</a>));</div>
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<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> <a class="code hl_define" href="base_2status__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 id="l00813" name="l00813"></a><span class="lineno"> 813</span> SafeInt64FromDouble(simplex_iters_double));</div>
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<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> solve_stats.set_simplex_iterations(simplex_iters);</div>
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<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> }</div>
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<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> </div>
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<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#acfc0e9dcfa5ab9c9e845147459965929">GRB_INT_ATTR_BARITERCOUNT</a>)) {</div>
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|
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> barrier_iters,</div>
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|
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#acfc0e9dcfa5ab9c9e845147459965929">GRB_INT_ATTR_BARITERCOUNT</a>));</div>
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|
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> solve_stats.set_barrier_iterations(barrier_iters);</div>
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|
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> }</div>
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<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> </div>
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<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a3330ab2eaa22ccaebe6eb75acc71913c">GRB_DBL_ATTR_NODECOUNT</a>)) {</div>
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|
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> nodes_double,</div>
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|
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a3330ab2eaa22ccaebe6eb75acc71913c">GRB_DBL_ATTR_NODECOUNT</a>));</div>
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|
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> int64_t <a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>, SafeInt64FromDouble(nodes_double));</div>
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|
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> solve_stats.set_node_count(<a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>);</div>
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|
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> }</div>
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|
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <span class="keywordflow">return</span> solve_stats;</div>
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|
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span>}</div>
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|
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> </div>
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|
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span>absl::StatusOr<GurobiSolver::SolutionsAndClaims> GurobiSolver::GetMipSolutions(</div>
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|
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
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|
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> <span class="keywordtype">int</span> num_solutions = 0;</div>
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|
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#aeccf22a77ad72039e023c83e9afcf76a">GRB_INT_ATTR_SOLCOUNT</a>)) {</div>
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|
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(num_solutions, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#aeccf22a77ad72039e023c83e9afcf76a">GRB_INT_ATTR_SOLCOUNT</a>));</div>
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|
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> }</div>
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|
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> std::vector<SolutionProto> solutions;</div>
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|
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> solutions.reserve(num_solutions);</div>
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|
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</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 id="l00841" name="l00841"></a><span class="lineno"> 841</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntParam(<a class="code hl_define" href="environment_8h.html#ae2331888cbb54036f3711f1fcc108713">GRB_INT_PAR_SOLUTIONNUMBER</a>, i));</div>
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|
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> </div>
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|
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> PrimalSolutionProto primal_solution;</div>
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|
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> sol_val,</div>
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|
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#adcdd0acb46a250186f4f17e9a3113bab">GRB_DBL_ATTR_POOLOBJVAL</a>));</div>
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|
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> primal_solution.set_objective_value(sol_val);</div>
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|
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> primal_solution.set_feasibility_status(SOLUTION_STATUS_FEASIBLE);</div>
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|
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <span class="keyword">const</span> std::vector<double> grb_var_values,</div>
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|
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#a64c5813d650c7b30c0d6c10581a51de4">GRB_DBL_ATTR_XN</a>, num_gurobi_variables_));</div>
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|
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> GurobiVectorToSparseDoubleVector(grb_var_values, variables_map_,</div>
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|
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> *primal_solution.mutable_variable_values(),</div>
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|
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> model_parameters.variable_values_filter());</div>
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|
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> *solutions.emplace_back(SolutionProto()).mutable_primal_solution() =</div>
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|
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> std::move(primal_solution);</div>
|
|
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> }</div>
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|
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> </div>
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|
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> <span class="comment">// Set solution claims</span></div>
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|
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> best_dual_bound, GetBestDualBound());</div>
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|
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> <span class="comment">// Note: here the existence of a dual solution refers to a dual solution to</span></div>
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|
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <span class="comment">// some convex relaxation of the MIP. This convex relaxation can likely be</span></div>
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|
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> <span class="comment">// interpreted as an LP between the LP relaxation of the MIP and the convex</span></div>
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|
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> <span class="comment">// hull of feasible solutions of the MIP. However, here we only use the fact</span></div>
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|
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <span class="comment">// that best_dual_bound being finite implies the existence of the trivial</span></div>
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|
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> <span class="comment">// convex relaxation given by (assuming a minimization problem with objective</span></div>
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|
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> <span class="comment">// function c^T x): min{c^T x : c^T x >= best_dual_bound}.</span></div>
|
|
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> <span class="keyword">const</span> SolutionClaims solution_claims = {</div>
|
|
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> .primal_feasible_solution_exists = num_solutions > 0,</div>
|
|
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> .dual_feasible_solution_exists = std::isfinite(best_dual_bound)};</div>
|
|
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> </div>
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|
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <span class="comment">// Check consistency of solutions, bounds and statuses.</span></div>
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|
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
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|
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
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|
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a> && num_solutions == 0) {</div>
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|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> <span class="keywordflow">return</span> absl::InternalError(</div>
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|
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> <span class="stringliteral">"GRB_INT_ATTR_STATUS == GRB_OPTIMAL, but solution pool is empty."</span>);</div>
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<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> }</div>
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|
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a> && !std::isfinite(best_dual_bound)) {</div>
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|
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> <span class="keywordflow">return</span> absl::InternalError(</div>
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|
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> <span class="stringliteral">"GRB_INT_ATTR_STATUS == GRB_OPTIMAL, but GRB_DBL_ATTR_OBJBOUND is "</span></div>
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|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> <span class="stringliteral">"unavailable or infinite."</span>);</div>
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|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> }</div>
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|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> </div>
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|
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> <span class="keywordflow">return</span> SolutionsAndClaims{.solutions = std::move(solutions),</div>
|
|
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> .solution_claims = solution_claims};</div>
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|
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span>}</div>
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<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> </div>
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<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span>absl::StatusOr<GurobiSolver::SolutionAndClaim<PrimalSolutionProto>></div>
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|
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span>GurobiSolver::GetConvexPrimalSolutionIfAvailable(</div>
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|
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
|
|
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> <span class="keywordflow">if</span> (!gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#aa79252cac30162280cee77fcad392fe2">GRB_DBL_ATTR_X</a>)) {</div>
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|
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <span class="keywordflow">return</span> SolutionAndClaim<PrimalSolutionProto>{</div>
|
|
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> .solution = std::nullopt, .feasible_solution_exists = <span class="keyword">false</span>};</div>
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|
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> }</div>
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|
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
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|
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
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|
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> </div>
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|
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> <span class="comment">// Get primal solutions if available.</span></div>
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|
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
|
|
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> <span class="keyword">const</span> std::vector<double> grb_var_values,</div>
|
|
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#aa79252cac30162280cee77fcad392fe2">GRB_DBL_ATTR_X</a>, num_gurobi_variables_));</div>
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|
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> </div>
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|
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> PrimalSolutionProto primal_solution;</div>
|
|
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> <span class="comment">// As noted in go/gurobi-objval-bug the objective value may be missing for</span></div>
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|
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="comment">// primal feasible solutions for unbounded problems.</span></div>
|
|
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> <span class="comment">// TODO(b/195295177): for GRB_ITERATION_LIMIT an objective value of 0.0 is</span></div>
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|
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> <span class="comment">// returned which breaks LpIncompleteSolveTest.PrimalSimplexAlgorithm. Explore</span></div>
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|
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> <span class="comment">// more and make simple example to file a bug.</span></div>
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|
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>) &&</div>
|
|
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> grb_termination != <a class="code hl_define" href="environment_8h.html#ae7fb7f0d52f101d68375a248dc9c2292">GRB_ITERATION_LIMIT</a>) {</div>
|
|
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> sol_val,</div>
|
|
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>));</div>
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|
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> primal_solution.set_objective_value(sol_val);</div>
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|
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="trust__region_8cc.html#a69703b8569462134ad4e22ab0133e418">objective_value</a> = 0.0;</div>
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|
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> <span class="keyword">const</span> std::vector<double> linear_obj_coefs,</div>
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|
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#a728e19166cbf018cea2dd05dc67f7824">GRB_DBL_ATTR_OBJ</a>, num_gurobi_variables_));</div>
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|
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_gurobi_variables_; ++i) {</div>
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|
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <a class="code hl_variable" href="trust__region_8cc.html#a69703b8569462134ad4e22ab0133e418">objective_value</a> += linear_obj_coefs[i] * grb_var_values[i];</div>
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|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> }</div>
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|
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> primal_solution.set_objective_value(<a class="code hl_variable" href="trust__region_8cc.html#a69703b8569462134ad4e22ab0133e418">objective_value</a>);</div>
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|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> }</div>
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|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> </div>
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<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> primal_solution.set_feasibility_status(SOLUTION_STATUS_UNDETERMINED);</div>
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|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a>) {</div>
|
|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> primal_solution.set_feasibility_status(SOLUTION_STATUS_FEASIBLE);</div>
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|
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#aa9bc09ccb0ac12cee4fe48135431ddbd">GRB_INFEASIBLE</a>) {</div>
|
|
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> primal_solution.set_feasibility_status(SOLUTION_STATUS_INFEASIBLE);</div>
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|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (PrimalSolutionQualityAvailable()) {</div>
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|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> solution_quality, GetPrimalSolutionQuality());</div>
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|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> tolerance,</div>
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|
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> gurobi_->GetDoubleParam(<a class="code hl_define" href="environment_8h.html#a1c15d9bfccc6b9959c26fc01567993ab">GRB_DBL_PAR_FEASIBILITYTOL</a>));</div>
|
|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <span class="keywordflow">if</span> (solution_quality <= tolerance) {</div>
|
|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> primal_solution.set_feasibility_status(SOLUTION_STATUS_FEASIBLE);</div>
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|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> primal_solution.set_feasibility_status(SOLUTION_STATUS_INFEASIBLE);</div>
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|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> }</div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> }</div>
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|
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> </div>
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|
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> GurobiVectorToSparseDoubleVector(grb_var_values, variables_map_,</div>
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|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> *primal_solution.mutable_variable_values(),</div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> model_parameters.variable_values_filter());</div>
|
|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> primal_feasible_solution_exists =</div>
|
|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> (primal_solution.feasibility_status() == SOLUTION_STATUS_FEASIBLE);</div>
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|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <span class="keywordflow">return</span> SolutionAndClaim<PrimalSolutionProto>{</div>
|
|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> .solution = std::move(primal_solution),</div>
|
|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> .feasible_solution_exists = primal_feasible_solution_exists};</div>
|
|
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span>}</div>
|
|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> </div>
|
|
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span><span class="keywordtype">bool</span> GurobiSolver::PrimalSolutionQualityAvailable()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <span class="keywordflow">return</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a81b08f1b06c08bd5fdb7f7ede995ea31">GRB_DBL_ATTR_CONSTR_RESIDUAL</a>) &&</div>
|
|
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a900d4d1393d231eed9fa27fb4c797270">GRB_DBL_ATTR_CONSTR_VIO</a>) &&</div>
|
|
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a8838d0e707daf185e0c935497b0ec218">GRB_DBL_ATTR_BOUND_VIO</a>) &&</div>
|
|
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a932d8e74db30b567ab2872c27ff3f4f6">GRB_DBL_ATTR_CONSTR_SRESIDUAL</a>) &&</div>
|
|
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a9b15ef3b783026313e3a32879164ef9e">GRB_DBL_ATTR_CONSTR_SVIO</a>) &&</div>
|
|
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a41fe4d5aaeed368599c1e2188e56c2b8">GRB_DBL_ATTR_BOUND_SVIO</a>);</div>
|
|
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span>}</div>
|
|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> </div>
|
|
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span>absl::StatusOr<double> GurobiSolver::GetPrimalSolutionQuality()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> constraint_residual,</div>
|
|
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a81b08f1b06c08bd5fdb7f7ede995ea31">GRB_DBL_ATTR_CONSTR_RESIDUAL</a>));</div>
|
|
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> constraint_violation,</div>
|
|
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a900d4d1393d231eed9fa27fb4c797270">GRB_DBL_ATTR_CONSTR_VIO</a>));</div>
|
|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> bound_violation,</div>
|
|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a8838d0e707daf185e0c935497b0ec218">GRB_DBL_ATTR_BOUND_VIO</a>));</div>
|
|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> constraint_scaled_residual,</div>
|
|
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a932d8e74db30b567ab2872c27ff3f4f6">GRB_DBL_ATTR_CONSTR_SRESIDUAL</a>));</div>
|
|
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> constraint_scaled_violation,</div>
|
|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a9b15ef3b783026313e3a32879164ef9e">GRB_DBL_ATTR_CONSTR_SVIO</a>));</div>
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|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> bound_scaled_violation,</div>
|
|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a41fe4d5aaeed368599c1e2188e56c2b8">GRB_DBL_ATTR_BOUND_SVIO</a>));</div>
|
|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>({constraint_residual, constraint_violation, bound_violation,</div>
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|
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> constraint_scaled_residual, constraint_scaled_violation,</div>
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|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> bound_scaled_violation});</div>
|
|
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span>}</div>
|
|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> </div>
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|
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span>absl::StatusOr<double> GurobiSolver::GetBestPrimalBound(</div>
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|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> has_primal_feasible_solution) {</div>
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|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize, IsMaximize());</div>
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|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="comment">// We need has_primal_feasible_solution because, as noted in</span></div>
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|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> <span class="comment">// go/gurobi-objval-bug, GRB_DBL_ATTR_OBJVAL may be available and finite for</span></div>
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|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="comment">// primal infeasible solutions.</span></div>
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|
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <span class="keywordflow">if</span> (has_primal_feasible_solution &&</div>
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|
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>)) {</div>
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|
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> <span class="comment">// TODO(b/195295177): Discuss if this should be removed. Unlike the dual</span></div>
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|
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="comment">// case below, it appears infesible models do not return GRB_DBL_ATTR_OBJVAL</span></div>
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|
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> <span class="comment">// equal to GRB_INFINITY (GRB_DBL_ATTR_OBJVAL is just unavailable). Hence,</span></div>
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|
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> <span class="comment">// this may not be needed and may not be consistent (e.g. we should explore</span></div>
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|
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <span class="comment">// whether GRB_DBL_ATTR_OBJVAL = GRB_INFINITY may happen for a primal</span></div>
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|
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <span class="comment">// feasible solution, in which the conversion of +/-GRB_INFINITY to +/-kInf</span></div>
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<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> <span class="comment">// would not be consistent). Note that unlike the dual case removing this</span></div>
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|
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> <span class="comment">// does not break any test.</span></div>
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|
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> obj_val,</div>
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|
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>));</div>
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|
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <span class="keywordflow">if</span> (std::abs(obj_val) < <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
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|
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="keywordflow">return</span> obj_val;</div>
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|
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> }</div>
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|
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> }</div>
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<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> <span class="keywordflow">return</span> is_maximize ? -<a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> : <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>;</div>
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|
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span>}</div>
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<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> </div>
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<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span>absl::StatusOr<double> GurobiSolver::GetBestDualBound() {</div>
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|
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#afa4f5e674caa662471e849ba775a755d">GRB_DBL_ATTR_OBJBOUND</a>)) {</div>
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|
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> obj_bound,</div>
|
|
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#afa4f5e674caa662471e849ba775a755d">GRB_DBL_ATTR_OBJBOUND</a>));</div>
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|
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="comment">// Note: Unbounded models return GRB_DBL_ATTR_OBJBOUND = GRB_INFINITY so</span></div>
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|
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> <span class="comment">// the conversion of +/-GRB_INFINITY to +/-kInf is needed and consistent.</span></div>
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|
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <span class="keywordflow">if</span> (std::abs(obj_bound) < <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
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|
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> <span class="keywordflow">return</span> obj_bound;</div>
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<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> }</div>
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<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> }</div>
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<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize, IsMaximize());</div>
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<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> <span class="keywordflow">return</span> is_maximize ? <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> : -<a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>;</div>
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|
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span>}</div>
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|
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> </div>
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<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span>absl::StatusOr<std::optional<BasisProto>> GurobiSolver::GetBasisIfAvailable() {</div>
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<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a29ebfd349621b3bdff29bedc3a30a547">GRB_INT_ATTR_VBASIS</a>) &&</div>
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|
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#ac62018893f550c089f864ee7b930a577">GRB_INT_ATTR_CBASIS</a>)) {</div>
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|
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(BasisProto basis, GetGurobiBasis());</div>
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|
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
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|
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
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|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> basis.set_basic_dual_feasibility(SOLUTION_STATUS_UNDETERMINED);</div>
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|
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a>) {</div>
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|
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> basis.set_basic_dual_feasibility(SOLUTION_STATUS_FEASIBLE);</div>
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|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#abd5c8ac4f5b0f0cecb20fa655300196e">GRB_UNBOUNDED</a>) {</div>
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|
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> basis.set_basic_dual_feasibility(SOLUTION_STATUS_INFEASIBLE);</div>
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|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> }</div>
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|
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> <span class="comment">// TODO(b/195295177): double check if the move is needed</span></div>
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|
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> <span class="keywordflow">return</span> std::move(basis);</div>
|
|
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> }</div>
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|
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <span class="keywordflow">return</span> std::nullopt;</div>
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|
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span>}</div>
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|
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> </div>
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|
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span>absl::StatusOr<GurobiSolver::SolutionsAndClaims> GurobiSolver::GetLpSolution(</div>
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|
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
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|
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">auto</span> primal_solution_and_claim,</div>
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|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> GetConvexPrimalSolutionIfAvailable(model_parameters));</div>
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|
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">auto</span> dual_solution_and_claim,</div>
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|
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> GetLpDualSolutionIfAvailable(model_parameters));</div>
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|
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">auto</span> basis, GetBasisIfAvailable());</div>
|
|
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> <span class="keyword">const</span> SolutionClaims solution_claims = {</div>
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|
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> .primal_feasible_solution_exists =</div>
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|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> primal_solution_and_claim.feasible_solution_exists,</div>
|
|
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> .dual_feasible_solution_exists =</div>
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|
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> dual_solution_and_claim.feasible_solution_exists};</div>
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|
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> </div>
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|
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> <span class="keywordflow">if</span> (!primal_solution_and_claim.solution.has_value() &&</div>
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|
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> !dual_solution_and_claim.solution.has_value() && !basis.has_value()) {</div>
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|
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> <span class="keywordflow">return</span> SolutionsAndClaims{.solution_claims = solution_claims};</div>
|
|
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> }</div>
|
|
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> SolutionsAndClaims solution_and_claims{.solution_claims = solution_claims};</div>
|
|
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> SolutionProto& solution =</div>
|
|
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> solution_and_claims.solutions.emplace_back(SolutionProto());</div>
|
|
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> <span class="keywordflow">if</span> (primal_solution_and_claim.solution.has_value()) {</div>
|
|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> *solution.mutable_primal_solution() =</div>
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|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> std::move(*primal_solution_and_claim.solution);</div>
|
|
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> }</div>
|
|
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keywordflow">if</span> (dual_solution_and_claim.solution.has_value()) {</div>
|
|
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> *solution.mutable_dual_solution() =</div>
|
|
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> std::move(*dual_solution_and_claim.solution);</div>
|
|
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> }</div>
|
|
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> <span class="keywordflow">if</span> (basis.has_value()) {</div>
|
|
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> *solution.mutable_basis() = std::move(*basis);</div>
|
|
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> }</div>
|
|
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> <span class="keywordflow">return</span> solution_and_claims;</div>
|
|
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span>}</div>
|
|
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> </div>
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|
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span>absl::StatusOr<GurobiSolver::SolutionAndClaim<DualSolutionProto>></div>
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|
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span>GurobiSolver::GetLpDualSolutionIfAvailable(</div>
|
|
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
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|
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> <span class="keywordflow">if</span> (!gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a53f9ffb4546f1effaf87839a42adeaa3">GRB_DBL_ATTR_PI</a>) ||</div>
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|
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> !gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a9112d4d1eeee1c4fb4043ea044693bcb">GRB_DBL_ATTR_RC</a>)) {</div>
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|
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> <span class="keywordflow">return</span> SolutionAndClaim<DualSolutionProto>{</div>
|
|
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> .solution = std::nullopt, .feasible_solution_exists = <span class="keyword">false</span>};</div>
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|
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> }</div>
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|
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> </div>
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|
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> <span class="comment">// Note that we can ignore the reduced costs of the slack variables for</span></div>
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|
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> <span class="comment">// ranged constraints because of</span></div>
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|
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> <span class="comment">// go/mathopt-dev-transformations#slack-var-range-constraint</span></div>
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|
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> DualSolutionProto dual_solution;</div>
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|
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> <span class="keywordtype">bool</span> dual_feasible_solution_exists = <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> <span class="keyword">const</span> std::vector<double> grb_constraint_duals,</div>
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|
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#a53f9ffb4546f1effaf87839a42adeaa3">GRB_DBL_ATTR_PI</a>, num_gurobi_constraints()));</div>
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|
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> GurobiVectorToSparseDoubleVector(grb_constraint_duals,</div>
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|
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> linear_constraints_map_,</div>
|
|
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> *dual_solution.mutable_dual_values(),</div>
|
|
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> model_parameters.dual_values_filter());</div>
|
|
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> </div>
|
|
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> <span class="keyword">const</span> std::vector<double> grb_reduced_cost_values,</div>
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|
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#a9112d4d1eeee1c4fb4043ea044693bcb">GRB_DBL_ATTR_RC</a>, num_gurobi_variables_));</div>
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|
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> GurobiVectorToSparseDoubleVector(grb_reduced_cost_values, variables_map_,</div>
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|
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> *dual_solution.mutable_reduced_costs(),</div>
|
|
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> model_parameters.reduced_costs_filter());</div>
|
|
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> </div>
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|
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
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|
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
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<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a> &&</div>
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|
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>)) {</div>
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|
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> obj_val,</div>
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|
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> gurobi_->GetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a5ad09c0e963f4a55c5f39f5fac72c769">GRB_DBL_ATTR_OBJVAL</a>));</div>
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|
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> dual_solution.set_objective_value(obj_val);</div>
|
|
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> }</div>
|
|
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> <span class="comment">// TODO(b/195295177): explore using GRB_DBL_ATTR_OBJBOUND to set the dual</span></div>
|
|
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> <span class="comment">// objective. As described in go/gurobi-objval-bug, this could provide the</span></div>
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|
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> <span class="comment">// dual objective in some cases.</span></div>
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|
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> </div>
|
|
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> dual_solution.set_feasibility_status(SOLUTION_STATUS_UNDETERMINED);</div>
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|
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a>) {</div>
|
|
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> dual_solution.set_feasibility_status(SOLUTION_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> dual_feasible_solution_exists = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#abd5c8ac4f5b0f0cecb20fa655300196e">GRB_UNBOUNDED</a>) {</div>
|
|
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> dual_solution.set_feasibility_status(SOLUTION_STATUS_INFEASIBLE);</div>
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|
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> }</div>
|
|
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> <span class="comment">// TODO(b/195295177): We could use gurobi's dual solution quality measures</span></div>
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|
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> <span class="comment">// for further upgrade the dual feasibility but it likely is only useful</span></div>
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|
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> <span class="comment">// for phase II of dual simplex because:</span></div>
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|
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> <span class="comment">// * the quality measures seem to evaluate if the basis is dual feasible</span></div>
|
|
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> <span class="comment">// so for primal simplex we would not improve over checking</span></div>
|
|
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> <span class="comment">// GRB_OPTIMAL.</span></div>
|
|
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> <span class="comment">// * for phase I dual simplex we cannot rely on the quality measures</span></div>
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|
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> <span class="comment">// because of go/gurobi-solution-quality-bug.</span></div>
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|
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span> <span class="comment">// We could also use finiteness of GRB_DBL_ATTR_OBJBOUND to deduce dual</span></div>
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|
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> <span class="comment">// feasibility as described in go/gurobi-objval-bug.</span></div>
|
|
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> </div>
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|
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span> <span class="comment">// Note: as shown in go/gurobi-objval-bug, GRB_DBL_ATTR_OBJBOUND can</span></div>
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<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> <span class="comment">// sometimes provide the objective value of a sub-optimal dual feasible</span></div>
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<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> <span class="comment">// solution. Here we only use it to possibly update</span></div>
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<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span> <span class="comment">// dual_feasible_solution_exists (Otherwise</span></div>
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<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> <span class="comment">// StatusTest.PrimalInfeasibleAndDualFeasible for pure dual simplex would</span></div>
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<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span> <span class="comment">// fail because go/gurobi-solution-quality-bug prevents us from certifying</span></div>
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|
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span> <span class="comment">// feasibility of the dual solution found in this case).</span></div>
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<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> best_dual_bound, GetBestDualBound());</div>
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|
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> <span class="keywordflow">if</span> (dual_feasible_solution_exists || std::isfinite(best_dual_bound)) {</div>
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|
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span> dual_feasible_solution_exists = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a>) {</div>
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|
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> <span class="keywordflow">return</span> absl::InternalError(</div>
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|
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> <span class="stringliteral">"GRB_INT_ATTR_STATUS == GRB_OPTIMAL, but GRB_DBL_ATTR_OBJBOUND is "</span></div>
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<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> <span class="stringliteral">"unavailable or infinite, and no dual feasible solution is returned"</span>);</div>
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|
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> }</div>
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|
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> <span class="keywordflow">return</span> SolutionAndClaim<DualSolutionProto>{</div>
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|
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> .solution = std::move(dual_solution),</div>
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|
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> .feasible_solution_exists = dual_feasible_solution_exists};</div>
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|
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span>}</div>
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<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> </div>
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|
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span>absl::Status GurobiSolver::FillRays(</div>
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|
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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|
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span> SolveResultProto& result) {</div>
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|
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize, IsMaximize());</div>
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|
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#af93d44f6be543de20e57b6cf0f081a78">GRB_DBL_ATTR_UNBDRAY</a>) &&</div>
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|
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> num_gurobi_variables_ > 0) {</div>
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|
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> std::vector<double> grb_ray_var_values,</div>
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|
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#af93d44f6be543de20e57b6cf0f081a78">GRB_DBL_ATTR_UNBDRAY</a>,</div>
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|
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> num_gurobi_variables_));</div>
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|
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> PrimalRayProto* <span class="keyword">const</span> primal_ray = result.add_primal_rays();</div>
|
|
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> GurobiVectorToSparseDoubleVector(grb_ray_var_values, variables_map_,</div>
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|
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> *primal_ray->mutable_variable_values(),</div>
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|
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> model_parameters.variable_values_filter());</div>
|
|
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> }</div>
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|
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> <span class="keywordflow">if</span> (gurobi_->IsAttrAvailable(<a class="code hl_define" href="environment_8h.html#ad4f15b204103e9839f45c2da44bff576">GRB_DBL_ATTR_FARKASDUAL</a>) &&</div>
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|
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> num_gurobi_constraints() + num_gurobi_variables_ > 0) {</div>
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|
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> DualRayProto dual_ray,</div>
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|
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> GetGurobiDualRay(model_parameters.dual_values_filter(),</div>
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|
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> model_parameters.reduced_costs_filter(), is_maximize));</div>
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|
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> result.mutable_dual_rays()->Add(std::move(dual_ray));</div>
|
|
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> }</div>
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|
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span>}</div>
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|
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> </div>
|
|
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span>absl::StatusOr<GurobiSolver::SolutionsAndClaims> GurobiSolver::GetQpSolution(</div>
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|
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters) {</div>
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|
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>((<span class="keyword">auto</span> [primal_solution, found_primal_feasible_solution]),</div>
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|
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> GetConvexPrimalSolutionIfAvailable(model_parameters));</div>
|
|
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> </div>
|
|
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> <span class="comment">// TODO(b/195295177): Update, seems GRB_DBL_ATTR_OBJBOUND is unavailable</span></div>
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|
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> <span class="comment">// even for GRB_OPTIMAL, so the code below will only give a finite bound</span></div>
|
|
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> <span class="comment">// and a dual feasible status for GRB_OPTIMAL.</span></div>
|
|
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> grb_termination,</div>
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|
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#ad4544aad5da63e21eb7c61e9142ffbd9">GRB_INT_ATTR_STATUS</a>));</div>
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|
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> <span class="keywordtype">bool</span> dual_feasible_solution_exists = <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keywordtype">double</span> best_dual_bound, GetBestDualBound());</div>
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|
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> <span class="keywordflow">if</span> (grb_termination == <a class="code hl_define" href="environment_8h.html#a43d3b5140bdab02bbc8fff16b910b854">GRB_OPTIMAL</a> || std::isfinite(best_dual_bound)) {</div>
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|
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> dual_feasible_solution_exists = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> }</div>
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|
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> <span class="comment">// Basis information is available when Gurobi uses QP simplex. As of v9.1 this</span></div>
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|
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> <span class="comment">// is not the default [1], so a user will need to explicitly set the Method</span></div>
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|
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> <span class="comment">// parameter in order for the following call to do anything interesting.</span></div>
|
|
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> <span class="comment">// [1] https://www.gurobi.com/documentation/9.1/refman/method.html</span></div>
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|
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">auto</span> basis, GetBasisIfAvailable());</div>
|
|
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> </div>
|
|
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> <span class="keyword">const</span> SolutionClaims solution_claims = {</div>
|
|
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> .primal_feasible_solution_exists = found_primal_feasible_solution,</div>
|
|
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> .dual_feasible_solution_exists = dual_feasible_solution_exists};</div>
|
|
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> </div>
|
|
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> <span class="keywordflow">if</span> (!primal_solution.has_value() && !basis.has_value()) {</div>
|
|
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> <span class="keywordflow">return</span> GurobiSolver::SolutionsAndClaims{.solution_claims = solution_claims};</div>
|
|
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> }</div>
|
|
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> SolutionsAndClaims solution_and_claims{.solution_claims = solution_claims};</div>
|
|
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> SolutionProto& solution =</div>
|
|
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> solution_and_claims.solutions.emplace_back(SolutionProto());</div>
|
|
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> <span class="keywordflow">if</span> (primal_solution.has_value()) {</div>
|
|
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> *solution.mutable_primal_solution() = std::move(*primal_solution);</div>
|
|
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> }</div>
|
|
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> <span class="keywordflow">if</span> (basis.has_value()) {</div>
|
|
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> *solution.mutable_basis() = std::move(*basis);</div>
|
|
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> }</div>
|
|
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> <span class="keywordflow">return</span> solution_and_claims;</div>
|
|
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span>}</div>
|
|
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span> </div>
|
|
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span>absl::Status GurobiSolver::SetParameters(</div>
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|
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> <span class="keyword">const</span> SolveParametersProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
|
|
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> <span class="keyword">const</span> GurobiParametersProto gurobi_parameters = MergeParameters(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
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|
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> std::vector<std::string> parameter_errors;</div>
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|
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> GurobiParametersProto::Parameter& parameter :</div>
|
|
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> gurobi_parameters.parameters()) {</div>
|
|
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> absl::Status param_status =</div>
|
|
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> gurobi_->SetParam(parameter.name().c_str(), parameter.value());</div>
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|
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> <span class="keywordflow">if</span> (!param_status.ok()) {</div>
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|
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span> parameter_errors.emplace_back(std::move(param_status).<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>());</div>
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|
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span> }</div>
|
|
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span> }</div>
|
|
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span> <span class="keywordflow">if</span> (!parameter_errors.empty()) {</div>
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|
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrJoin(parameter_errors, <span class="stringliteral">"; "</span>));</div>
|
|
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> }</div>
|
|
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span>}</div>
|
|
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> </div>
|
|
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span>absl::Status GurobiSolver::AddNewVariables(</div>
|
|
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> <span class="keyword">const</span> VariablesProto& new_variables) {</div>
|
|
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_new_variables = new_variables.lower_bounds().size();</div>
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|
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> std::vector<char> variable_type(num_new_variables);</div>
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|
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < num_new_variables; ++j) {</div>
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|
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> <span class="keyword">const</span> VariableId <span class="keywordtype">id</span> = new_variables.ids(j);</div>
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|
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> <a class="code hl_function" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&variables_map_, <span class="keywordtype">id</span>, j + num_gurobi_variables_);</div>
|
|
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> variable_type[j] = new_variables.integers(j) ? <a class="code hl_define" href="environment_8h.html#a5303a1a44e057e9af71c89e9e5c67299">GRB_INTEGER</a> : <a class="code hl_define" href="environment_8h.html#a6cc9be6c5a5942fae165ac67f0b55c09">GRB_CONTINUOUS</a>;</div>
|
|
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> }</div>
|
|
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> <span class="comment">// We need to copy the names, RepeatedPtrField cannot be converted to</span></div>
|
|
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> <span class="comment">// absl::Span<std::string>.</span></div>
|
|
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> <span class="keyword">const</span> std::vector<std::string> variable_names =</div>
|
|
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> TruncateNames(new_variables.names());</div>
|
|
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->AddVars(</div>
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|
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> <span class="comment">/*obj=*/</span>{},</div>
|
|
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> <span class="comment">/*lb=*/</span>new_variables.lower_bounds(),</div>
|
|
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> <span class="comment">/*ub=*/</span>new_variables.upper_bounds(),</div>
|
|
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> <span class="comment">/*vtype=*/</span>variable_type, variable_names));</div>
|
|
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> num_gurobi_variables_ += num_new_variables;</div>
|
|
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> </div>
|
|
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span>}</div>
|
|
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> </div>
|
|
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span><span class="comment">// Given a vector of pairs<LinearConstraintId,ConstraintData&> add a slack</span></div>
|
|
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span><span class="comment">// variable for each of the constraints in the underlying `gurobi_`</span></div>
|
|
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span><span class="comment">// using the referenced bounds.</span></div>
|
|
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span>absl::Status GurobiSolver::AddNewSlacks(</div>
|
|
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> <span class="keyword">const</span> std::vector<SlackInfo>& new_slacks) {</div>
|
|
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span> <span class="comment">// Note that we are really adding the sub-matrix</span></div>
|
|
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span> <span class="comment">// D * slack</span></div>
|
|
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span> <span class="comment">// to the set of linear constraints, and the D matrix is stored in compressed</span></div>
|
|
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span> <span class="comment">// sparse column (CSC) format. In our particular case, D is a diagonal matrix</span></div>
|
|
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span> <span class="comment">// with -1.0 coefficients for each new slack in the row indicated in the</span></div>
|
|
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span> <span class="comment">// row_indices vector.</span></div>
|
|
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_slacks = new_slacks.size();</div>
|
|
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> <span class="keywordflow">if</span> (num_slacks == 0) {</div>
|
|
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> }</div>
|
|
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> <span class="comment">// Build the D matrix in CSC format.</span></div>
|
|
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> <span class="keyword">const</span> std::vector<double> column_non_zeros(num_slacks, -1.0);</div>
|
|
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> std::vector<double> <a class="code hl_variable" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>;</div>
|
|
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span> std::vector<double> <a class="code hl_variable" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>;</div>
|
|
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span> <span class="keyword">const</span> std::vector<char> vtypes(num_slacks, <a class="code hl_define" href="environment_8h.html#a6cc9be6c5a5942fae165ac67f0b55c09">GRB_CONTINUOUS</a>);</div>
|
|
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span> std::vector<GurobiLinearConstraintIndex> row_indices;</div>
|
|
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> std::vector<int> column_non_zero_begin;</div>
|
|
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> column_non_zero_begin.reserve(num_slacks);</div>
|
|
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span> row_indices.reserve(num_slacks);</div>
|
|
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span> <a class="code hl_variable" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>.reserve(num_slacks);</div>
|
|
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span> <a class="code hl_variable" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>.reserve(num_slacks);</div>
|
|
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < num_slacks; ++k) {</div>
|
|
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span> <span class="keyword">auto</span>& [id, constraint_data] = new_slacks[k];</div>
|
|
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span> <a class="code hl_function" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&slack_map_, <span class="keywordtype">id</span>, constraint_data);</div>
|
|
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> row_indices.emplace_back(constraint_data.constraint_index);</div>
|
|
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> <a class="code hl_variable" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>.emplace_back(constraint_data.lower_bound);</div>
|
|
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> <a class="code hl_variable" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>.emplace_back(constraint_data.upper_bound);</div>
|
|
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> column_non_zero_begin.emplace_back(k);</div>
|
|
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> }</div>
|
|
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> <span class="comment">// Add variables to the underlying model.</span></div>
|
|
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->AddVars(<span class="comment">/*vbegin=*/</span>column_non_zero_begin,</div>
|
|
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span> <span class="comment">/*vind=*/</span>row_indices,</div>
|
|
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> <span class="comment">/*vval=*/</span>column_non_zeros, <span class="comment">/*obj=*/</span>{},</div>
|
|
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span> <span class="comment">/*lb=*/</span><a class="code hl_variable" href="sat_2lp__utils_8cc.html#a561d7bf12fc7674b3fe0ad2ba2e175a0">lower_bounds</a>, <span class="comment">/*ub=*/</span><a class="code hl_variable" href="sat_2lp__utils_8cc.html#a88215c8581662c40eec0fb8621c44af3">upper_bounds</a>,</div>
|
|
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span> <span class="comment">/*vtype=*/</span>vtypes, <span class="comment">/*names=*/</span>{}));</div>
|
|
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span> num_gurobi_variables_ += num_slacks;</div>
|
|
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span>}</div>
|
|
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> </div>
|
|
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span>absl::Status GurobiSolver::AddNewConstraints(</div>
|
|
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> <span class="keyword">const</span> LinearConstraintsProto& constraints) {</div>
|
|
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_model_constraints = num_gurobi_constraints();</div>
|
|
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_new_constraints = constraints.lower_bounds().size();</div>
|
|
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> </div>
|
|
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span> <span class="comment">// We need to copy the names, RepeatedPtrField cannot be converted to</span></div>
|
|
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span> <span class="comment">// absl::Span<std::string>.</span></div>
|
|
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span> <span class="keyword">const</span> std::vector<std::string> constraint_names =</div>
|
|
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span> TruncateNames(constraints.names());</div>
|
|
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> <span class="comment">// Constraints are translated into:</span></div>
|
|
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span> <span class="comment">// 1. ax <= upper_bound (if lower bound <= -GRB_INFINITY, and upper_bound</span></div>
|
|
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span> <span class="comment">// is finite and less than GRB_INFINITY)</span></div>
|
|
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span> <span class="comment">// 2. ax >= lower_bound (if upper bound >= GRB_INFINITY, and lower_bound is</span></div>
|
|
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span> <span class="comment">// finite and greater than -GRB_INFINITY)</span></div>
|
|
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span> <span class="comment">// 3. ax == xxxxx_bound (if both bounds are finite, equal, and their</span></div>
|
|
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span> <span class="comment">// absolute values less than GRB_INFINITY)</span></div>
|
|
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span> <span class="comment">// 4. ax - slack = 0.0 (otherwise,</span></div>
|
|
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> <span class="comment">// slack bounds == [lower_bound, upper_bound])</span></div>
|
|
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span> std::vector<double> constraint_rhs;</div>
|
|
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span> std::vector<char> constraint_sense;</div>
|
|
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span> std::vector<SlackInfo> new_slacks;</div>
|
|
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span> constraint_rhs.reserve(num_new_constraints);</div>
|
|
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span> constraint_sense.reserve(num_new_constraints);</div>
|
|
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span> new_slacks.reserve(num_new_constraints);</div>
|
|
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_new_constraints; ++i) {</div>
|
|
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span> <span class="keyword">const</span> int64_t <span class="keywordtype">id</span> = constraints.ids(i);</div>
|
|
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span> ConstraintData& constraint_data =</div>
|
|
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span> <a class="code hl_function" href="namespacegtl.html#aea75330fcfcabf5467939b997a97e739">gtl::InsertKeyOrDie</a>(&linear_constraints_map_, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span> constraint_data.lower_bound = constraints.lower_bounds(i);</div>
|
|
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span> constraint_data.upper_bound = constraints.upper_bounds(i);</div>
|
|
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span> constraint_data.constraint_index = i + num_model_constraints;</div>
|
|
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span> <span class="keywordtype">char</span> sense = <a class="code hl_define" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>;</div>
|
|
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span> <span class="keywordtype">double</span> rhs = 0.0;</div>
|
|
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span> <span class="comment">// Detect the type of constraint to add and store RHS and bounds.</span></div>
|
|
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span> <span class="keywordflow">if</span> (constraint_data.lower_bound <= -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
|
|
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span> constraint_data.upper_bound < <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
|
|
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span> rhs = constraint_data.upper_bound;</div>
|
|
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span> sense = <a class="code hl_define" href="environment_8h.html#ad789b60cb2feff34abddf416dcdba0c9">GRB_LESS_EQUAL</a>;</div>
|
|
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (constraint_data.lower_bound > -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
|
|
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span> constraint_data.upper_bound >= <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
|
|
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span> rhs = constraint_data.lower_bound;</div>
|
|
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span> sense = <a class="code hl_define" href="environment_8h.html#a2f1213e965bc4f4239c9178b6e8af074">GRB_GREATER_EQUAL</a>;</div>
|
|
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (constraint_data.lower_bound == constraint_data.upper_bound) {</div>
|
|
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span> rhs = constraint_data.lower_bound;</div>
|
|
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span> sense = <a class="code hl_define" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>;</div>
|
|
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span> <span class="comment">// Note that constraints where the lower bound and the upper bound are</span></div>
|
|
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span> <span class="comment">// -+infinity translate into a range constraint with an unbounded slack.</span></div>
|
|
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span> constraint_data.slack_index = new_slacks.size() + num_gurobi_variables_;</div>
|
|
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span> new_slacks.emplace_back(<span class="keywordtype">id</span>, constraint_data);</div>
|
|
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span> }</div>
|
|
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span> constraint_rhs.emplace_back(rhs);</div>
|
|
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span> constraint_sense.emplace_back(sense);</div>
|
|
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span> }</div>
|
|
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span> <span class="comment">// Add all constraints in one call.</span></div>
|
|
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span> gurobi_->AddConstrs(constraint_sense, constraint_rhs, constraint_names));</div>
|
|
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span> <span class="comment">// Add slacks for true ranged constraints (if needed)</span></div>
|
|
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span> <span class="keywordflow">if</span> (!new_slacks.empty()) {</div>
|
|
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewSlacks(new_slacks));</div>
|
|
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span> }</div>
|
|
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span>}</div>
|
|
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span> </div>
|
|
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span>absl::Status GurobiSolver::ChangeCoefficients(</div>
|
|
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span> <span class="keyword">const</span> SparseDoubleMatrixProto& matrix) {</div>
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|
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</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 id="l01365" name="l01365"></a><span class="lineno"> 1365</span> std::vector<GurobiLinearConstraintIndex> row_index(num_coefficients);</div>
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<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span> std::vector<GurobiVariableIndex> col_index(num_coefficients);</div>
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|
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < num_coefficients; ++k) {</div>
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<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span> row_index[k] =</div>
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<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span> linear_constraints_map_.at(matrix.row_ids(k)).constraint_index;</div>
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<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span> col_index[k] = variables_map_.at(matrix.column_ids(k));</div>
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<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span> }</div>
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<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span> <span class="keywordflow">return</span> gurobi_->ChgCoeffs(row_index, col_index, matrix.coefficients());</div>
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|
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span>}</div>
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<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span> </div>
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|
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span>absl::Status GurobiSolver::UpdateDoubleListAttribute(</div>
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|
<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</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 id="l01377" name="l01377"></a><span class="lineno"> 1377</span> <span class="keyword">const</span> IdHashMap& id_hash_map) {</div>
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|
<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span> <span class="keywordflow">if</span> (update.ids_size() == 0) {</div>
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|
<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"> 1379</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span> }</div>
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|
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span> std::vector<int> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
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|
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.reserve(update.ids_size());</div>
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<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <span class="keywordtype">id</span> : update.ids()) {</div>
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|
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.push_back(id_hash_map.at(<span class="keywordtype">id</span>));</div>
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|
<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span> }</div>
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|
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span> <span class="keywordflow">return</span> gurobi_->SetDoubleAttrList(attribute_name, <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, update.values());</div>
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|
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span>}</div>
|
|
<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span> </div>
|
|
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span>absl::Status GurobiSolver::UpdateInt32ListAttribute(</div>
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|
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</span> <span class="keyword">const</span> SparseInt32VectorProto& update, <span class="keyword">const</span> <span class="keywordtype">char</span>* attribute_name,</div>
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|
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span> <span class="keyword">const</span> IdHashMap& id_hash_map) {</div>
|
|
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span> <span class="keywordflow">if</span> (update.ids_size() == 0) {</div>
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|
<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span> }</div>
|
|
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span> std::vector<int> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.reserve(update.ids_size());</div>
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|
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <span class="keywordtype">id</span> : update.ids()) {</div>
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|
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.push_back(id_hash_map.at(<span class="keywordtype">id</span>));</div>
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|
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span> }</div>
|
|
<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span> <span class="keywordflow">return</span> gurobi_->SetIntAttrList(attribute_name, <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, update.values());</div>
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|
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span>}</div>
|
|
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span> </div>
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|
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"> 1403</span>absl::Status GurobiSolver::LoadModel(<span class="keyword">const</span> ModelProto& input_model) {</div>
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|
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_ != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetStringAttr(<a class="code hl_define" href="environment_8h.html#a8d63d792ead16b09415eb5893ad09f9a">GRB_STR_ATTR_MODELNAME</a>,</div>
|
|
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span> TruncateName(input_model.name())));</div>
|
|
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewVariables(input_model.variables()));</div>
|
|
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span> </div>
|
|
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewConstraints(input_model.linear_constraints()));</div>
|
|
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span> </div>
|
|
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ChangeCoefficients(input_model.linear_constraint_matrix()));</div>
|
|
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span> </div>
|
|
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span> <span class="keyword">const</span> <span class="keywordtype">int</span> model_sense =</div>
|
|
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span> input_model.objective().maximize() ? <a class="code hl_define" href="environment_8h.html#a1d47332af7cf793e9b5cc80998ea4afe">GRB_MAXIMIZE</a> : <a class="code hl_define" href="environment_8h.html#ad4477c4c3cade685194ae6957edce447">GRB_MINIMIZE</a>;</div>
|
|
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntAttr(<a class="code hl_define" href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a>, model_sense));</div>
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|
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetDoubleAttr(<a class="code hl_define" href="environment_8h.html#a8ac6a4fedeff2448008534b7a90abafa">GRB_DBL_ATTR_OBJCON</a>,</div>
|
|
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span> input_model.objective().offset()));</div>
|
|
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span> </div>
|
|
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span> UpdateDoubleListAttribute(input_model.objective().linear_coefficients(),</div>
|
|
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span> <a class="code hl_define" href="environment_8h.html#a728e19166cbf018cea2dd05dc67f7824">GRB_DBL_ATTR_OBJ</a>, variables_map_));</div>
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|
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ResetQuadraticObjectiveTerms(</div>
|
|
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span> input_model.objective().quadratic_coefficients()));</div>
|
|
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span>}</div>
|
|
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span> </div>
|
|
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span>absl::Status GurobiSolver::ResetQuadraticObjectiveTerms(</div>
|
|
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span> <span class="keyword">const</span> SparseDoubleMatrixProto& terms) {</div>
|
|
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span> quadratic_objective_coefficients_.clear();</div>
|
|
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->DelQ());</div>
|
|
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_terms = terms.row_ids().size();</div>
|
|
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> <span class="keywordflow">if</span> (num_terms > 0) {</div>
|
|
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span> std::vector<GurobiVariableIndex> first_var_index(num_terms);</div>
|
|
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span> std::vector<GurobiVariableIndex> second_var_index(num_terms);</div>
|
|
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < num_terms; ++k) {</div>
|
|
<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span> <span class="keyword">const</span> VariableId row_id = terms.row_ids(k);</div>
|
|
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span> <span class="keyword">const</span> VariableId column_id = terms.column_ids(k);</div>
|
|
<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span> first_var_index[k] = variables_map_.at(row_id);</div>
|
|
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span> second_var_index[k] = variables_map_.at(column_id);</div>
|
|
<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span> quadratic_objective_coefficients_[{row_id, column_id}] =</div>
|
|
<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span> terms.coefficients(k);</div>
|
|
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span> }</div>
|
|
<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->AddQpTerms(first_var_index, second_var_index,</div>
|
|
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span> terms.coefficients()));</div>
|
|
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span> }</div>
|
|
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span>}</div>
|
|
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span> </div>
|
|
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span>absl::Status GurobiSolver::UpdateQuadraticObjectiveTerms(</div>
|
|
<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"> 1450</span> <span class="keyword">const</span> SparseDoubleMatrixProto& terms) {</div>
|
|
<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gurobi_ != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_terms = terms.row_ids().size();</div>
|
|
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span> <span class="keywordflow">if</span> (num_terms > 0) {</div>
|
|
<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</span> std::vector<GurobiVariableIndex> first_var_index(num_terms);</div>
|
|
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span> std::vector<GurobiVariableIndex> second_var_index(num_terms);</div>
|
|
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"> 1456</span> std::vector<double> coefficient_updates(num_terms);</div>
|
|
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < num_terms; ++k) {</div>
|
|
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span> <span class="keyword">const</span> VariableId row_id = terms.row_ids(k);</div>
|
|
<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span> <span class="keyword">const</span> VariableId column_id = terms.column_ids(k);</div>
|
|
<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span> first_var_index[k] = variables_map_.at(row_id);</div>
|
|
<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span> second_var_index[k] = variables_map_.at(column_id);</div>
|
|
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span> <span class="keyword">const</span> std::pair<VariableId, VariableId> qp_term_key(row_id, column_id);</div>
|
|
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span> <span class="keyword">const</span> <span class="keywordtype">double</span> new_coefficient = terms.coefficients(k);</div>
|
|
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span> <span class="comment">// Gurobi will maintain any existing quadratic coefficients unless we</span></div>
|
|
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> <span class="comment">// call GRBdelq (which we don't). So, since stored entries in terms</span></div>
|
|
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span> <span class="comment">// specify the target coefficients, we need to compute the difference from</span></div>
|
|
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> <span class="comment">// the existing coefficient with Gurobi, if any.</span></div>
|
|
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span> coefficient_updates[k] =</div>
|
|
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span> new_coefficient - quadratic_objective_coefficients_[qp_term_key];</div>
|
|
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span> quadratic_objective_coefficients_[qp_term_key] = new_coefficient;</div>
|
|
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span> }</div>
|
|
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->AddQpTerms(first_var_index, second_var_index,</div>
|
|
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span> coefficient_updates));</div>
|
|
<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</span> }</div>
|
|
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"> 1476</span>}</div>
|
|
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span> </div>
|
|
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span><span class="comment">// Bound changes in constraints can induce new variables, and also remove</span></div>
|
|
<div class="line"><a id="l01479" name="l01479"></a><span class="lineno"> 1479</span><span class="comment">// some slacks. We first add all new variables, and queue all deletions to be</span></div>
|
|
<div class="line"><a id="l01480" name="l01480"></a><span class="lineno"> 1480</span><span class="comment">// dealt with later on.</span></div>
|
|
<div class="line"><a id="l01481" name="l01481"></a><span class="lineno"> 1481</span>absl::Status GurobiSolver::UpdateLinearConstraints(</div>
|
|
<div class="line"><a id="l01482" name="l01482"></a><span class="lineno"> 1482</span> <span class="keyword">const</span> LinearConstraintUpdatesProto& constraints_update,</div>
|
|
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span> std::vector<GurobiVariableIndex>& deleted_variables_index) {</div>
|
|
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span> <span class="keyword">const</span> SparseDoubleVectorProto& constraint_lower_bounds =</div>
|
|
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span> constraints_update.lower_bounds();</div>
|
|
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</span> <span class="keyword">const</span> SparseDoubleVectorProto& constraint_upper_bounds =</div>
|
|
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"> 1487</span> constraints_update.upper_bounds();</div>
|
|
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span> </div>
|
|
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span> <span class="comment">// If no update, just return.</span></div>
|
|
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"> 1490</span> <span class="keywordflow">if</span> (constraint_lower_bounds.ids().empty() &&</div>
|
|
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span> constraint_upper_bounds.ids().empty()) {</div>
|
|
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"> 1493</span> }</div>
|
|
<div class="line"><a id="l01494" name="l01494"></a><span class="lineno"> 1494</span> </div>
|
|
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"> 1495</span> <span class="comment">// We want to avoid changing the right-hand-side, sense, or slacks of each</span></div>
|
|
<div class="line"><a id="l01496" name="l01496"></a><span class="lineno"> 1496</span> <span class="comment">// constraint more than once. Since we can refer to the same constraint ID</span></div>
|
|
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span> <span class="comment">// both in the `constraint_upper_bounds` and `constraint_lower_bounds` sparse</span></div>
|
|
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span> <span class="comment">// vectors, we collect all changes into a single structure:</span></div>
|
|
<div class="line"><a id="l01499" name="l01499"></a><span class="lineno"> 1499</span> <span class="keyword">struct </span>UpdateConstraintData {</div>
|
|
<div class="line"><a id="l01500" name="l01500"></a><span class="lineno"> 1500</span> LinearConstraintId constraint_id;</div>
|
|
<div class="line"><a id="l01501" name="l01501"></a><span class="lineno"> 1501</span> ConstraintData& source;</div>
|
|
<div class="line"><a id="l01502" name="l01502"></a><span class="lineno"> 1502</span> <span class="keywordtype">double</span> new_lower_bound;</div>
|
|
<div class="line"><a id="l01503" name="l01503"></a><span class="lineno"> 1503</span> <span class="keywordtype">double</span> new_upper_bound;</div>
|
|
<div class="line"><a id="l01504" name="l01504"></a><span class="lineno"> 1504</span> UpdateConstraintData(<span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>, ConstraintData& reference)</div>
|
|
<div class="line"><a id="l01505" name="l01505"></a><span class="lineno"> 1505</span> : constraint_id(id),</div>
|
|
<div class="line"><a id="l01506" name="l01506"></a><span class="lineno"> 1506</span> source(reference),</div>
|
|
<div class="line"><a id="l01507" name="l01507"></a><span class="lineno"> 1507</span> new_lower_bound(reference.<a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>),</div>
|
|
<div class="line"><a id="l01508" name="l01508"></a><span class="lineno"> 1508</span> new_upper_bound(reference.<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {}</div>
|
|
<div class="line"><a id="l01509" name="l01509"></a><span class="lineno"> 1509</span> };</div>
|
|
<div class="line"><a id="l01510" name="l01510"></a><span class="lineno"> 1510</span> <span class="keyword">const</span> <span class="keywordtype">int</span> upper_bounds_size = constraint_upper_bounds.ids().size();</div>
|
|
<div class="line"><a id="l01511" name="l01511"></a><span class="lineno"> 1511</span> <span class="keyword">const</span> <span class="keywordtype">int</span> lower_bounds_size = constraint_lower_bounds.ids().size();</div>
|
|
<div class="line"><a id="l01512" name="l01512"></a><span class="lineno"> 1512</span> std::vector<UpdateConstraintData> update_vector;</div>
|
|
<div class="line"><a id="l01513" name="l01513"></a><span class="lineno"> 1513</span> update_vector.reserve(upper_bounds_size + lower_bounds_size);</div>
|
|
<div class="line"><a id="l01514" name="l01514"></a><span class="lineno"> 1514</span> <span class="comment">// We exploit the fact that IDs are sorted in increasing order to merge</span></div>
|
|
<div class="line"><a id="l01515" name="l01515"></a><span class="lineno"> 1515</span> <span class="comment">// changes into a vector of aggregated changes.</span></div>
|
|
<div class="line"><a id="l01516" name="l01516"></a><span class="lineno"> 1516</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> lower_index = 0, upper_index = 0;</div>
|
|
<div class="line"><a id="l01517" name="l01517"></a><span class="lineno"> 1517</span> lower_index < lower_bounds_size || upper_index < upper_bounds_size;) {</div>
|
|
<div class="line"><a id="l01518" name="l01518"></a><span class="lineno"> 1518</span> VariableId lower_id = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
|
|
<div class="line"><a id="l01519" name="l01519"></a><span class="lineno"> 1519</span> <span class="keywordflow">if</span> (lower_index < lower_bounds_size) {</div>
|
|
<div class="line"><a id="l01520" name="l01520"></a><span class="lineno"> 1520</span> lower_id = constraint_lower_bounds.ids(lower_index);</div>
|
|
<div class="line"><a id="l01521" name="l01521"></a><span class="lineno"> 1521</span> }</div>
|
|
<div class="line"><a id="l01522" name="l01522"></a><span class="lineno"> 1522</span> VariableId upper_id = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
|
|
<div class="line"><a id="l01523" name="l01523"></a><span class="lineno"> 1523</span> <span class="keywordflow">if</span> (upper_index < upper_bounds_size) {</div>
|
|
<div class="line"><a id="l01524" name="l01524"></a><span class="lineno"> 1524</span> upper_id = constraint_upper_bounds.ids(upper_index);</div>
|
|
<div class="line"><a id="l01525" name="l01525"></a><span class="lineno"> 1525</span> }</div>
|
|
<div class="line"><a id="l01526" name="l01526"></a><span class="lineno"> 1526</span> <span class="keyword">const</span> VariableId <span class="keywordtype">id</span> = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(lower_id, upper_id);</div>
|
|
<div class="line"><a id="l01527" name="l01527"></a><span class="lineno"> 1527</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<span class="keywordtype">id</span> < <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>());</div>
|
|
<div class="line"><a id="l01528" name="l01528"></a><span class="lineno"> 1528</span> UpdateConstraintData update(<span class="keywordtype">id</span>, linear_constraints_map_.at(<span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a id="l01529" name="l01529"></a><span class="lineno"> 1529</span> <span class="keywordflow">if</span> (lower_id == upper_id) {</div>
|
|
<div class="line"><a id="l01530" name="l01530"></a><span class="lineno"> 1530</span> update.new_lower_bound = constraint_lower_bounds.values(lower_index++);</div>
|
|
<div class="line"><a id="l01531" name="l01531"></a><span class="lineno"> 1531</span> update.new_upper_bound = constraint_upper_bounds.values(upper_index++);</div>
|
|
<div class="line"><a id="l01532" name="l01532"></a><span class="lineno"> 1532</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lower_id < upper_id) {</div>
|
|
<div class="line"><a id="l01533" name="l01533"></a><span class="lineno"> 1533</span> update.new_lower_bound = constraint_lower_bounds.values(lower_index++);</div>
|
|
<div class="line"><a id="l01534" name="l01534"></a><span class="lineno"> 1534</span> } <span class="keywordflow">else</span> { <span class="comment">/* upper_id < lower_id */</span></div>
|
|
<div class="line"><a id="l01535" name="l01535"></a><span class="lineno"> 1535</span> update.new_upper_bound = constraint_upper_bounds.values(upper_index++);</div>
|
|
<div class="line"><a id="l01536" name="l01536"></a><span class="lineno"> 1536</span> }</div>
|
|
<div class="line"><a id="l01537" name="l01537"></a><span class="lineno"> 1537</span> update_vector.emplace_back(update);</div>
|
|
<div class="line"><a id="l01538" name="l01538"></a><span class="lineno"> 1538</span> }</div>
|
|
<div class="line"><a id="l01539" name="l01539"></a><span class="lineno"> 1539</span> </div>
|
|
<div class="line"><a id="l01540" name="l01540"></a><span class="lineno"> 1540</span> <span class="comment">// We have grouped all changes in update_vector, now generate changes in</span></div>
|
|
<div class="line"><a id="l01541" name="l01541"></a><span class="lineno"> 1541</span> <span class="comment">// slack bounds, rhs, senses, new slacks, and deleted_slacks (to be dealt</span></div>
|
|
<div class="line"><a id="l01542" name="l01542"></a><span class="lineno"> 1542</span> <span class="comment">// with later, outside this function).</span></div>
|
|
<div class="line"><a id="l01543" name="l01543"></a><span class="lineno"> 1543</span> <span class="comment">// These three vectors keep changes to right-hand-side and senses.</span></div>
|
|
<div class="line"><a id="l01544" name="l01544"></a><span class="lineno"> 1544</span> std::vector<char> sense_data;</div>
|
|
<div class="line"><a id="l01545" name="l01545"></a><span class="lineno"> 1545</span> std::vector<double> rhs_data;</div>
|
|
<div class="line"><a id="l01546" name="l01546"></a><span class="lineno"> 1546</span> std::vector<GurobiLinearConstraintIndex> rhs_index;</div>
|
|
<div class="line"><a id="l01547" name="l01547"></a><span class="lineno"> 1547</span> <span class="comment">// These three vectors keep changes to bounds on existing slack.</span></div>
|
|
<div class="line"><a id="l01548" name="l01548"></a><span class="lineno"> 1548</span> std::vector<double> lower_bound_data;</div>
|
|
<div class="line"><a id="l01549" name="l01549"></a><span class="lineno"> 1549</span> std::vector<double> upper_bound_data;</div>
|
|
<div class="line"><a id="l01550" name="l01550"></a><span class="lineno"> 1550</span> std::vector<GurobiVariableIndex> bound_index;</div>
|
|
<div class="line"><a id="l01551" name="l01551"></a><span class="lineno"> 1551</span> <span class="comment">// This vector keep newly introduced slacks.</span></div>
|
|
<div class="line"><a id="l01552" name="l01552"></a><span class="lineno"> 1552</span> std::vector<SlackInfo> new_slacks;</div>
|
|
<div class="line"><a id="l01553" name="l01553"></a><span class="lineno"> 1553</span> <span class="comment">// Iterate on the changes, and populate the three possible changes.</span></div>
|
|
<div class="line"><a id="l01554" name="l01554"></a><span class="lineno"> 1554</span> <span class="keywordflow">for</span> (UpdateConstraintData& update_data : update_vector) {</div>
|
|
<div class="line"><a id="l01555" name="l01555"></a><span class="lineno"> 1555</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> same_lower_bound =</div>
|
|
<div class="line"><a id="l01556" name="l01556"></a><span class="lineno"> 1556</span> (update_data.source.lower_bound == update_data.new_lower_bound) ||</div>
|
|
<div class="line"><a id="l01557" name="l01557"></a><span class="lineno"> 1557</span> ((update_data.source.lower_bound <= -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) &&</div>
|
|
<div class="line"><a id="l01558" name="l01558"></a><span class="lineno"> 1558</span> (update_data.new_lower_bound <= -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>));</div>
|
|
<div class="line"><a id="l01559" name="l01559"></a><span class="lineno"> 1559</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> same_upper_bound =</div>
|
|
<div class="line"><a id="l01560" name="l01560"></a><span class="lineno"> 1560</span> (update_data.source.upper_bound == update_data.new_upper_bound) ||</div>
|
|
<div class="line"><a id="l01561" name="l01561"></a><span class="lineno"> 1561</span> ((update_data.source.upper_bound >= <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) &&</div>
|
|
<div class="line"><a id="l01562" name="l01562"></a><span class="lineno"> 1562</span> (update_data.new_upper_bound >= <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>));</div>
|
|
<div class="line"><a id="l01563" name="l01563"></a><span class="lineno"> 1563</span> <span class="keywordflow">if</span> (same_upper_bound && same_lower_bound) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01564" name="l01564"></a><span class="lineno"> 1564</span> <span class="comment">// Save into linear_constraints_map_[id] the new bounds for the linear</span></div>
|
|
<div class="line"><a id="l01565" name="l01565"></a><span class="lineno"> 1565</span> <span class="comment">// constraint.</span></div>
|
|
<div class="line"><a id="l01566" name="l01566"></a><span class="lineno"> 1566</span> update_data.source.lower_bound = update_data.new_lower_bound;</div>
|
|
<div class="line"><a id="l01567" name="l01567"></a><span class="lineno"> 1567</span> update_data.source.upper_bound = update_data.new_upper_bound;</div>
|
|
<div class="line"><a id="l01568" name="l01568"></a><span class="lineno"> 1568</span> <span class="keywordtype">bool</span> delete_slack = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01569" name="l01569"></a><span class="lineno"> 1569</span> <span class="comment">// Detect the type of constraint to add and store RHS and bounds.</span></div>
|
|
<div class="line"><a id="l01570" name="l01570"></a><span class="lineno"> 1570</span> <span class="keywordflow">if</span> (update_data.new_lower_bound <= -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
|
|
<div class="line"><a id="l01571" name="l01571"></a><span class="lineno"> 1571</span> update_data.new_upper_bound < <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
|
|
<div class="line"><a id="l01572" name="l01572"></a><span class="lineno"> 1572</span> delete_slack = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01573" name="l01573"></a><span class="lineno"> 1573</span> rhs_index.emplace_back(update_data.source.constraint_index);</div>
|
|
<div class="line"><a id="l01574" name="l01574"></a><span class="lineno"> 1574</span> rhs_data.emplace_back(update_data.new_upper_bound);</div>
|
|
<div class="line"><a id="l01575" name="l01575"></a><span class="lineno"> 1575</span> sense_data.emplace_back(<a class="code hl_define" href="environment_8h.html#ad789b60cb2feff34abddf416dcdba0c9">GRB_LESS_EQUAL</a>);</div>
|
|
<div class="line"><a id="l01576" name="l01576"></a><span class="lineno"> 1576</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (update_data.new_lower_bound > -<a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a> &&</div>
|
|
<div class="line"><a id="l01577" name="l01577"></a><span class="lineno"> 1577</span> update_data.new_upper_bound >= <a class="code hl_define" href="environment_8h.html#a2596d04fb885c491433c0f4df4988675">GRB_INFINITY</a>) {</div>
|
|
<div class="line"><a id="l01578" name="l01578"></a><span class="lineno"> 1578</span> delete_slack = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01579" name="l01579"></a><span class="lineno"> 1579</span> rhs_index.emplace_back(update_data.source.constraint_index);</div>
|
|
<div class="line"><a id="l01580" name="l01580"></a><span class="lineno"> 1580</span> rhs_data.emplace_back(update_data.new_lower_bound);</div>
|
|
<div class="line"><a id="l01581" name="l01581"></a><span class="lineno"> 1581</span> sense_data.emplace_back(<a class="code hl_define" href="environment_8h.html#a2f1213e965bc4f4239c9178b6e8af074">GRB_GREATER_EQUAL</a>);</div>
|
|
<div class="line"><a id="l01582" name="l01582"></a><span class="lineno"> 1582</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (update_data.new_lower_bound == update_data.new_upper_bound) {</div>
|
|
<div class="line"><a id="l01583" name="l01583"></a><span class="lineno"> 1583</span> delete_slack = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01584" name="l01584"></a><span class="lineno"> 1584</span> rhs_index.emplace_back(update_data.source.constraint_index);</div>
|
|
<div class="line"><a id="l01585" name="l01585"></a><span class="lineno"> 1585</span> rhs_data.emplace_back(update_data.new_lower_bound);</div>
|
|
<div class="line"><a id="l01586" name="l01586"></a><span class="lineno"> 1586</span> sense_data.emplace_back(<a class="code hl_define" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>);</div>
|
|
<div class="line"><a id="l01587" name="l01587"></a><span class="lineno"> 1587</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01588" name="l01588"></a><span class="lineno"> 1588</span> <span class="comment">// Note that constraints where the lower bound and the upper bound are</span></div>
|
|
<div class="line"><a id="l01589" name="l01589"></a><span class="lineno"> 1589</span> <span class="comment">// -+infinity translated into a range constraint with an unbounded</span></div>
|
|
<div class="line"><a id="l01590" name="l01590"></a><span class="lineno"> 1590</span> <span class="comment">// slack.</span></div>
|
|
<div class="line"><a id="l01591" name="l01591"></a><span class="lineno"> 1591</span> <span class="keywordflow">if</span> (update_data.source.slack_index != kUnspecifiedIndex) {</div>
|
|
<div class="line"><a id="l01592" name="l01592"></a><span class="lineno"> 1592</span> bound_index.emplace_back(update_data.source.slack_index);</div>
|
|
<div class="line"><a id="l01593" name="l01593"></a><span class="lineno"> 1593</span> lower_bound_data.emplace_back(update_data.new_lower_bound);</div>
|
|
<div class="line"><a id="l01594" name="l01594"></a><span class="lineno"> 1594</span> upper_bound_data.emplace_back(update_data.new_upper_bound);</div>
|
|
<div class="line"><a id="l01595" name="l01595"></a><span class="lineno"> 1595</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01596" name="l01596"></a><span class="lineno"> 1596</span> <span class="comment">// Note that if we add a new slack, we must both reset the sense and</span></div>
|
|
<div class="line"><a id="l01597" name="l01597"></a><span class="lineno"> 1597</span> <span class="comment">// right hand side for the inequality.</span></div>
|
|
<div class="line"><a id="l01598" name="l01598"></a><span class="lineno"> 1598</span> rhs_index.emplace_back(update_data.source.constraint_index);</div>
|
|
<div class="line"><a id="l01599" name="l01599"></a><span class="lineno"> 1599</span> rhs_data.emplace_back(0.0);</div>
|
|
<div class="line"><a id="l01600" name="l01600"></a><span class="lineno"> 1600</span> sense_data.emplace_back(<a class="code hl_define" href="environment_8h.html#ab1259c28b7591a6ed65482a365be56c6">GRB_EQUAL</a>);</div>
|
|
<div class="line"><a id="l01601" name="l01601"></a><span class="lineno"> 1601</span> <span class="comment">// Update the slack_index in the linear_constraints_map_[id]</span></div>
|
|
<div class="line"><a id="l01602" name="l01602"></a><span class="lineno"> 1602</span> update_data.source.slack_index =</div>
|
|
<div class="line"><a id="l01603" name="l01603"></a><span class="lineno"> 1603</span> new_slacks.size() + num_gurobi_variables_;</div>
|
|
<div class="line"><a id="l01604" name="l01604"></a><span class="lineno"> 1604</span> <span class="comment">// Save the data needed to add the new slack.</span></div>
|
|
<div class="line"><a id="l01605" name="l01605"></a><span class="lineno"> 1605</span> new_slacks.emplace_back(update_data.constraint_id, update_data.source);</div>
|
|
<div class="line"><a id="l01606" name="l01606"></a><span class="lineno"> 1606</span> }</div>
|
|
<div class="line"><a id="l01607" name="l01607"></a><span class="lineno"> 1607</span> }</div>
|
|
<div class="line"><a id="l01608" name="l01608"></a><span class="lineno"> 1608</span> <span class="comment">// If the constraint had a slack, and now is marked for deletion, we reset</span></div>
|
|
<div class="line"><a id="l01609" name="l01609"></a><span class="lineno"> 1609</span> <span class="comment">// the stored slack_index in linear_constraints_map_[id], save the index</span></div>
|
|
<div class="line"><a id="l01610" name="l01610"></a><span class="lineno"> 1610</span> <span class="comment">// in the list of variables to be deleted later on and remove the constraint</span></div>
|
|
<div class="line"><a id="l01611" name="l01611"></a><span class="lineno"> 1611</span> <span class="comment">// from slack_map_.</span></div>
|
|
<div class="line"><a id="l01612" name="l01612"></a><span class="lineno"> 1612</span> <span class="keywordflow">if</span> (delete_slack && update_data.source.slack_index != kUnspecifiedIndex) {</div>
|
|
<div class="line"><a id="l01613" name="l01613"></a><span class="lineno"> 1613</span> deleted_variables_index.emplace_back(update_data.source.slack_index);</div>
|
|
<div class="line"><a id="l01614" name="l01614"></a><span class="lineno"> 1614</span> update_data.source.slack_index = kUnspecifiedIndex;</div>
|
|
<div class="line"><a id="l01615" name="l01615"></a><span class="lineno"> 1615</span> slack_map_.erase(update_data.constraint_id);</div>
|
|
<div class="line"><a id="l01616" name="l01616"></a><span class="lineno"> 1616</span> }</div>
|
|
<div class="line"><a id="l01617" name="l01617"></a><span class="lineno"> 1617</span> }</div>
|
|
<div class="line"><a id="l01618" name="l01618"></a><span class="lineno"> 1618</span> </div>
|
|
<div class="line"><a id="l01619" name="l01619"></a><span class="lineno"> 1619</span> <span class="comment">// Pass down changes to Gurobi.</span></div>
|
|
<div class="line"><a id="l01620" name="l01620"></a><span class="lineno"> 1620</span> <span class="keywordflow">if</span> (!rhs_index.empty()) {</div>
|
|
<div class="line"><a id="l01621" name="l01621"></a><span class="lineno"> 1621</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01622" name="l01622"></a><span class="lineno"> 1622</span> gurobi_->SetDoubleAttrList(<a class="code hl_define" href="environment_8h.html#aad88bdc3ebd15f9a0639e7e9db8d1850">GRB_DBL_ATTR_RHS</a>, rhs_index, rhs_data));</div>
|
|
<div class="line"><a id="l01623" name="l01623"></a><span class="lineno"> 1623</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01624" name="l01624"></a><span class="lineno"> 1624</span> gurobi_->SetCharAttrList(<a class="code hl_define" href="environment_8h.html#ab9e8fb9ba7e90fd0a905802db64ec066">GRB_CHAR_ATTR_SENSE</a>, rhs_index, sense_data));</div>
|
|
<div class="line"><a id="l01625" name="l01625"></a><span class="lineno"> 1625</span> } <span class="comment">// rhs changes</span></div>
|
|
<div class="line"><a id="l01626" name="l01626"></a><span class="lineno"> 1626</span> <span class="keywordflow">if</span> (!bound_index.empty()) {</div>
|
|
<div class="line"><a id="l01627" name="l01627"></a><span class="lineno"> 1627</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetDoubleAttrList(<a class="code hl_define" href="environment_8h.html#ae11f079a0448e1dd3ac0a4a5938a7a1d">GRB_DBL_ATTR_LB</a>, bound_index,</div>
|
|
<div class="line"><a id="l01628" name="l01628"></a><span class="lineno"> 1628</span> lower_bound_data));</div>
|
|
<div class="line"><a id="l01629" name="l01629"></a><span class="lineno"> 1629</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetDoubleAttrList(<a class="code hl_define" href="environment_8h.html#a0a9e67177dc51990769f46c9eab75ced">GRB_DBL_ATTR_UB</a>, bound_index,</div>
|
|
<div class="line"><a id="l01630" name="l01630"></a><span class="lineno"> 1630</span> upper_bound_data));</div>
|
|
<div class="line"><a id="l01631" name="l01631"></a><span class="lineno"> 1631</span> } <span class="comment">// Slack bound changes.</span></div>
|
|
<div class="line"><a id="l01632" name="l01632"></a><span class="lineno"> 1632</span> </div>
|
|
<div class="line"><a id="l01633" name="l01633"></a><span class="lineno"> 1633</span> <span class="keywordflow">if</span> (!new_slacks.empty()) {</div>
|
|
<div class="line"><a id="l01634" name="l01634"></a><span class="lineno"> 1634</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewSlacks(new_slacks));</div>
|
|
<div class="line"><a id="l01635" name="l01635"></a><span class="lineno"> 1635</span> }</div>
|
|
<div class="line"><a id="l01636" name="l01636"></a><span class="lineno"> 1636</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01637" name="l01637"></a><span class="lineno"> 1637</span>}</div>
|
|
<div class="line"><a id="l01638" name="l01638"></a><span class="lineno"> 1638</span> </div>
|
|
<div class="line"><a id="l01639" name="l01639"></a><span class="lineno"> 1639</span><span class="comment">// This function re-assign indices for variables and constraints after</span></div>
|
|
<div class="line"><a id="l01640" name="l01640"></a><span class="lineno"> 1640</span><span class="comment">// deletion. The updated indices are computed from the previous indices, sorted</span></div>
|
|
<div class="line"><a id="l01641" name="l01641"></a><span class="lineno"> 1641</span><span class="comment">// in incremental form, but re-assigned so that all indices are contiguous</span></div>
|
|
<div class="line"><a id="l01642" name="l01642"></a><span class="lineno"> 1642</span><span class="comment">// between [0, num_variables-1] and [0, num_linear_constraints-1].</span></div>
|
|
<div class="line"><a id="l01643" name="l01643"></a><span class="lineno"> 1643</span><span class="comment">// This implementation exploit the fact that gtl::linked_hash_map preserves the</span></div>
|
|
<div class="line"><a id="l01644" name="l01644"></a><span class="lineno"> 1644</span><span class="comment">// insertion order of whatever elements remain in the hash tables.</span></div>
|
|
<div class="line"><a id="l01645" name="l01645"></a><span class="lineno"> 1645</span>absl::Status GurobiSolver::UpdateGurobiIndices() {</div>
|
|
<div class="line"><a id="l01646" name="l01646"></a><span class="lineno"> 1646</span> { <span class="comment">// Recover index of variables.</span></div>
|
|
<div class="line"><a id="l01647" name="l01647"></a><span class="lineno"> 1647</span> GurobiVariableIndex next_index = 0;</div>
|
|
<div class="line"><a id="l01648" name="l01648"></a><span class="lineno"> 1648</span> GurobiVariableIndex prev_index = kUnspecifiedIndex;</div>
|
|
<div class="line"><a id="l01649" name="l01649"></a><span class="lineno"> 1649</span> <span class="keyword">auto</span> variable_it = variables_map_.begin();</div>
|
|
<div class="line"><a id="l01650" name="l01650"></a><span class="lineno"> 1650</span> <span class="keyword">auto</span> slack_it = slack_map_.begin();</div>
|
|
<div class="line"><a id="l01651" name="l01651"></a><span class="lineno"> 1651</span> <span class="keywordflow">while</span> (variable_it != variables_map_.end() ||</div>
|
|
<div class="line"><a id="l01652" name="l01652"></a><span class="lineno"> 1652</span> slack_it != slack_map_.end()) {</div>
|
|
<div class="line"><a id="l01653" name="l01653"></a><span class="lineno"> 1653</span> GurobiVariableIndex variable_index = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int32_t>::max</a>();</div>
|
|
<div class="line"><a id="l01654" name="l01654"></a><span class="lineno"> 1654</span> <span class="keywordflow">if</span> (variable_it != variables_map_.end()) {</div>
|
|
<div class="line"><a id="l01655" name="l01655"></a><span class="lineno"> 1655</span> variable_index = variable_it->second;</div>
|
|
<div class="line"><a id="l01656" name="l01656"></a><span class="lineno"> 1656</span> }</div>
|
|
<div class="line"><a id="l01657" name="l01657"></a><span class="lineno"> 1657</span> GurobiVariableIndex slack_index = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int32_t>::max</a>();</div>
|
|
<div class="line"><a id="l01658" name="l01658"></a><span class="lineno"> 1658</span> <span class="keywordflow">if</span> (slack_it != slack_map_.end()) {</div>
|
|
<div class="line"><a id="l01659" name="l01659"></a><span class="lineno"> 1659</span> slack_index = slack_it->second.slack_index;</div>
|
|
<div class="line"><a id="l01660" name="l01660"></a><span class="lineno"> 1660</span> }</div>
|
|
<div class="line"><a id="l01661" name="l01661"></a><span class="lineno"> 1661</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(prev_index, variable_index);</div>
|
|
<div class="line"><a id="l01662" name="l01662"></a><span class="lineno"> 1662</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(prev_index, slack_index);</div>
|
|
<div class="line"><a id="l01663" name="l01663"></a><span class="lineno"> 1663</span> <a class="code hl_define" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(variable_index, slack_index);</div>
|
|
<div class="line"><a id="l01664" name="l01664"></a><span class="lineno"> 1664</span> <span class="keywordflow">if</span> (slack_index < variable_index) {</div>
|
|
<div class="line"><a id="l01665" name="l01665"></a><span class="lineno"> 1665</span> prev_index = slack_index;</div>
|
|
<div class="line"><a id="l01666" name="l01666"></a><span class="lineno"> 1666</span> slack_it->second.slack_index = next_index++;</div>
|
|
<div class="line"><a id="l01667" name="l01667"></a><span class="lineno"> 1667</span> ++slack_it;</div>
|
|
<div class="line"><a id="l01668" name="l01668"></a><span class="lineno"> 1668</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01669" name="l01669"></a><span class="lineno"> 1669</span> prev_index = variable_index;</div>
|
|
<div class="line"><a id="l01670" name="l01670"></a><span class="lineno"> 1670</span> variable_it->second = next_index++;</div>
|
|
<div class="line"><a id="l01671" name="l01671"></a><span class="lineno"> 1671</span> ++variable_it;</div>
|
|
<div class="line"><a id="l01672" name="l01672"></a><span class="lineno"> 1672</span> }</div>
|
|
<div class="line"><a id="l01673" name="l01673"></a><span class="lineno"> 1673</span> }</div>
|
|
<div class="line"><a id="l01674" name="l01674"></a><span class="lineno"> 1674</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(next_index, num_gurobi_variables_);</div>
|
|
<div class="line"><a id="l01675" name="l01675"></a><span class="lineno"> 1675</span> }</div>
|
|
<div class="line"><a id="l01676" name="l01676"></a><span class="lineno"> 1676</span> { <span class="comment">// Recover index of constraints.</span></div>
|
|
<div class="line"><a id="l01677" name="l01677"></a><span class="lineno"> 1677</span> GurobiLinearConstraintIndex next_constraint = 0;</div>
|
|
<div class="line"><a id="l01678" name="l01678"></a><span class="lineno"> 1678</span> GurobiLinearConstraintIndex prev_constraint = kUnspecifiedConstraint;</div>
|
|
<div class="line"><a id="l01679" name="l01679"></a><span class="lineno"> 1679</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>& constraint_iterator : linear_constraints_map_) {</div>
|
|
<div class="line"><a id="l01680" name="l01680"></a><span class="lineno"> 1680</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(prev_constraint, constraint_iterator.second.constraint_index);</div>
|
|
<div class="line"><a id="l01681" name="l01681"></a><span class="lineno"> 1681</span> prev_constraint = constraint_iterator.second.constraint_index;</div>
|
|
<div class="line"><a id="l01682" name="l01682"></a><span class="lineno"> 1682</span> constraint_iterator.second.constraint_index = next_constraint++;</div>
|
|
<div class="line"><a id="l01683" name="l01683"></a><span class="lineno"> 1683</span> }</div>
|
|
<div class="line"><a id="l01684" name="l01684"></a><span class="lineno"> 1684</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(next_constraint, num_gurobi_constraints());</div>
|
|
<div class="line"><a id="l01685" name="l01685"></a><span class="lineno"> 1685</span> }</div>
|
|
<div class="line"><a id="l01686" name="l01686"></a><span class="lineno"> 1686</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01687" name="l01687"></a><span class="lineno"> 1687</span>}</div>
|
|
<div class="line"><a id="l01688" name="l01688"></a><span class="lineno"> 1688</span> </div>
|
|
<div class="line"><a id="l01689" name="l01689"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a4dc835d3171da48778de1bbea39f8448"> 1689</a></span>absl::Status GurobiSolver::Update(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
|
|
<div class="line"><a id="l01690" name="l01690"></a><span class="lineno"> 1690</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewVariables(model_update.new_variables()));</div>
|
|
<div class="line"><a id="l01691" name="l01691"></a><span class="lineno"> 1691</span> </div>
|
|
<div class="line"><a id="l01692" name="l01692"></a><span class="lineno"> 1692</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddNewConstraints(model_update.new_linear_constraints()));</div>
|
|
<div class="line"><a id="l01693" name="l01693"></a><span class="lineno"> 1693</span> </div>
|
|
<div class="line"><a id="l01694" name="l01694"></a><span class="lineno"> 1694</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01695" name="l01695"></a><span class="lineno"> 1695</span> ChangeCoefficients(model_update.linear_constraint_matrix_updates()));</div>
|
|
<div class="line"><a id="l01696" name="l01696"></a><span class="lineno"> 1696</span> </div>
|
|
<div class="line"><a id="l01697" name="l01697"></a><span class="lineno"> 1697</span> <span class="keywordflow">if</span> (model_update.objective_updates().has_direction_update()) {</div>
|
|
<div class="line"><a id="l01698" name="l01698"></a><span class="lineno"> 1698</span> <span class="keyword">const</span> <span class="keywordtype">int</span> model_sense = model_update.objective_updates().direction_update()</div>
|
|
<div class="line"><a id="l01699" name="l01699"></a><span class="lineno"> 1699</span> ? <a class="code hl_define" href="environment_8h.html#a1d47332af7cf793e9b5cc80998ea4afe">GRB_MAXIMIZE</a></div>
|
|
<div class="line"><a id="l01700" name="l01700"></a><span class="lineno"> 1700</span> : <a class="code hl_define" href="environment_8h.html#ad4477c4c3cade685194ae6957edce447">GRB_MINIMIZE</a>;</div>
|
|
<div class="line"><a id="l01701" name="l01701"></a><span class="lineno"> 1701</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntAttr(<a class="code hl_define" href="environment_8h.html#a233cfbc39ea682329dabec1fbb4d4cbd">GRB_INT_ATTR_MODELSENSE</a>, model_sense));</div>
|
|
<div class="line"><a id="l01702" name="l01702"></a><span class="lineno"> 1702</span> }</div>
|
|
<div class="line"><a id="l01703" name="l01703"></a><span class="lineno"> 1703</span> </div>
|
|
<div class="line"><a id="l01704" name="l01704"></a><span class="lineno"> 1704</span> <span class="keywordflow">if</span> (model_update.objective_updates().has_offset_update()) {</div>
|
|
<div class="line"><a id="l01705" name="l01705"></a><span class="lineno"> 1705</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetDoubleAttr(</div>
|
|
<div class="line"><a id="l01706" name="l01706"></a><span class="lineno"> 1706</span> <a class="code hl_define" href="environment_8h.html#a8ac6a4fedeff2448008534b7a90abafa">GRB_DBL_ATTR_OBJCON</a>, model_update.objective_updates().offset_update()));</div>
|
|
<div class="line"><a id="l01707" name="l01707"></a><span class="lineno"> 1707</span> }</div>
|
|
<div class="line"><a id="l01708" name="l01708"></a><span class="lineno"> 1708</span> </div>
|
|
<div class="line"><a id="l01709" name="l01709"></a><span class="lineno"> 1709</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateDoubleListAttribute(</div>
|
|
<div class="line"><a id="l01710" name="l01710"></a><span class="lineno"> 1710</span> model_update.objective_updates().linear_coefficients(), <a class="code hl_define" href="environment_8h.html#a728e19166cbf018cea2dd05dc67f7824">GRB_DBL_ATTR_OBJ</a>,</div>
|
|
<div class="line"><a id="l01711" name="l01711"></a><span class="lineno"> 1711</span> variables_map_));</div>
|
|
<div class="line"><a id="l01712" name="l01712"></a><span class="lineno"> 1712</span> </div>
|
|
<div class="line"><a id="l01713" name="l01713"></a><span class="lineno"> 1713</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateQuadraticObjectiveTerms(</div>
|
|
<div class="line"><a id="l01714" name="l01714"></a><span class="lineno"> 1714</span> model_update.objective_updates().quadratic_coefficients()));</div>
|
|
<div class="line"><a id="l01715" name="l01715"></a><span class="lineno"> 1715</span> </div>
|
|
<div class="line"><a id="l01716" name="l01716"></a><span class="lineno"> 1716</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01717" name="l01717"></a><span class="lineno"> 1717</span> UpdateDoubleListAttribute(model_update.variable_updates().lower_bounds(),</div>
|
|
<div class="line"><a id="l01718" name="l01718"></a><span class="lineno"> 1718</span> <a class="code hl_define" href="environment_8h.html#ae11f079a0448e1dd3ac0a4a5938a7a1d">GRB_DBL_ATTR_LB</a>, variables_map_));</div>
|
|
<div class="line"><a id="l01719" name="l01719"></a><span class="lineno"> 1719</span> </div>
|
|
<div class="line"><a id="l01720" name="l01720"></a><span class="lineno"> 1720</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01721" name="l01721"></a><span class="lineno"> 1721</span> UpdateDoubleListAttribute(model_update.variable_updates().upper_bounds(),</div>
|
|
<div class="line"><a id="l01722" name="l01722"></a><span class="lineno"> 1722</span> <a class="code hl_define" href="environment_8h.html#a0a9e67177dc51990769f46c9eab75ced">GRB_DBL_ATTR_UB</a>, variables_map_));</div>
|
|
<div class="line"><a id="l01723" name="l01723"></a><span class="lineno"> 1723</span> </div>
|
|
<div class="line"><a id="l01724" name="l01724"></a><span class="lineno"> 1724</span> <span class="keywordflow">if</span> (model_update.variable_updates().has_integers()) {</div>
|
|
<div class="line"><a id="l01725" name="l01725"></a><span class="lineno"> 1725</span> <span class="keyword">const</span> SparseBoolVectorProto& update =</div>
|
|
<div class="line"><a id="l01726" name="l01726"></a><span class="lineno"> 1726</span> model_update.variable_updates().integers();</div>
|
|
<div class="line"><a id="l01727" name="l01727"></a><span class="lineno"> 1727</span> std::vector<GurobiVariableIndex> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a id="l01728" name="l01728"></a><span class="lineno"> 1728</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.reserve(update.ids_size());</div>
|
|
<div class="line"><a id="l01729" name="l01729"></a><span class="lineno"> 1729</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <span class="keywordtype">id</span> : update.ids()) {</div>
|
|
<div class="line"><a id="l01730" name="l01730"></a><span class="lineno"> 1730</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.push_back(variables_map_.at(<span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a id="l01731" name="l01731"></a><span class="lineno"> 1731</span> }</div>
|
|
<div class="line"><a id="l01732" name="l01732"></a><span class="lineno"> 1732</span> std::vector<char> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l01733" name="l01733"></a><span class="lineno"> 1733</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>.reserve(update.values_size());</div>
|
|
<div class="line"><a id="l01734" name="l01734"></a><span class="lineno"> 1734</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">bool</span> val : update.values()) {</div>
|
|
<div class="line"><a id="l01735" name="l01735"></a><span class="lineno"> 1735</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>.push_back(val ? <a class="code hl_define" href="environment_8h.html#a5303a1a44e057e9af71c89e9e5c67299">GRB_INTEGER</a> : <a class="code hl_define" href="environment_8h.html#a6cc9be6c5a5942fae165ac67f0b55c09">GRB_CONTINUOUS</a>);</div>
|
|
<div class="line"><a id="l01736" name="l01736"></a><span class="lineno"> 1736</span> }</div>
|
|
<div class="line"><a id="l01737" name="l01737"></a><span class="lineno"> 1737</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01738" name="l01738"></a><span class="lineno"> 1738</span> gurobi_->SetCharAttrList(<a class="code hl_define" href="environment_8h.html#a87fb4e2c8417ac5561558e4218afff8e">GRB_CHAR_ATTR_VTYPE</a>, <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
|
<div class="line"><a id="l01739" name="l01739"></a><span class="lineno"> 1739</span> }</div>
|
|
<div class="line"><a id="l01740" name="l01740"></a><span class="lineno"> 1740</span> </div>
|
|
<div class="line"><a id="l01741" name="l01741"></a><span class="lineno"> 1741</span> <span class="comment">// Now we update quadratic_objective_coefficients_, removing any terms where</span></div>
|
|
<div class="line"><a id="l01742" name="l01742"></a><span class="lineno"> 1742</span> <span class="comment">// either or both of the involved variables are about to be deleted.</span></div>
|
|
<div class="line"><a id="l01743" name="l01743"></a><span class="lineno"> 1743</span> <span class="keyword">const</span> absl::flat_hash_set<VariableId> variable_ids_to_be_deleted(</div>
|
|
<div class="line"><a id="l01744" name="l01744"></a><span class="lineno"> 1744</span> model_update.deleted_variable_ids().begin(),</div>
|
|
<div class="line"><a id="l01745" name="l01745"></a><span class="lineno"> 1745</span> model_update.deleted_variable_ids().end());</div>
|
|
<div class="line"><a id="l01746" name="l01746"></a><span class="lineno"> 1746</span> <span class="comment">// NOTE: Introducing more state and complexity should speed this up, but we</span></div>
|
|
<div class="line"><a id="l01747" name="l01747"></a><span class="lineno"> 1747</span> <span class="comment">// opt for the simpler approach for now.</span></div>
|
|
<div class="line"><a id="l01748" name="l01748"></a><span class="lineno"> 1748</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = quadratic_objective_coefficients_.cbegin();</div>
|
|
<div class="line"><a id="l01749" name="l01749"></a><span class="lineno"> 1749</span> it != quadratic_objective_coefficients_.cend();</div>
|
|
<div class="line"><a id="l01750" name="l01750"></a><span class="lineno"> 1750</span> <span class="comment">/*incremented in loop*/</span>) {</div>
|
|
<div class="line"><a id="l01751" name="l01751"></a><span class="lineno"> 1751</span> <span class="keywordflow">if</span> (variable_ids_to_be_deleted.contains(it->first.first) ||</div>
|
|
<div class="line"><a id="l01752" name="l01752"></a><span class="lineno"> 1752</span> variable_ids_to_be_deleted.contains(it->first.second)) {</div>
|
|
<div class="line"><a id="l01753" name="l01753"></a><span class="lineno"> 1753</span> quadratic_objective_coefficients_.erase(it++);</div>
|
|
<div class="line"><a id="l01754" name="l01754"></a><span class="lineno"> 1754</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01755" name="l01755"></a><span class="lineno"> 1755</span> ++it;</div>
|
|
<div class="line"><a id="l01756" name="l01756"></a><span class="lineno"> 1756</span> }</div>
|
|
<div class="line"><a id="l01757" name="l01757"></a><span class="lineno"> 1757</span> }</div>
|
|
<div class="line"><a id="l01758" name="l01758"></a><span class="lineno"> 1758</span> <span class="comment">// We cache all Gurobi variables and constraint indices that must be deleted,</span></div>
|
|
<div class="line"><a id="l01759" name="l01759"></a><span class="lineno"> 1759</span> <span class="comment">// and perform deletions at the end of the update call.</span></div>
|
|
<div class="line"><a id="l01760" name="l01760"></a><span class="lineno"> 1760</span> std::vector<GurobiVariableIndex> deleted_variables_index;</div>
|
|
<div class="line"><a id="l01761" name="l01761"></a><span class="lineno"> 1761</span> std::vector<GurobiLinearConstraintIndex> deleted_constraints_index;</div>
|
|
<div class="line"><a id="l01762" name="l01762"></a><span class="lineno"> 1762</span> </div>
|
|
<div class="line"><a id="l01763" name="l01763"></a><span class="lineno"> 1763</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateLinearConstraints(</div>
|
|
<div class="line"><a id="l01764" name="l01764"></a><span class="lineno"> 1764</span> model_update.linear_constraint_updates(), deleted_variables_index));</div>
|
|
<div class="line"><a id="l01765" name="l01765"></a><span class="lineno"> 1765</span> </div>
|
|
<div class="line"><a id="l01766" name="l01766"></a><span class="lineno"> 1766</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 id="l01767" name="l01767"></a><span class="lineno"> 1767</span> deleted_variables_index.emplace_back(variables_map_.at(<span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a id="l01768" name="l01768"></a><span class="lineno"> 1768</span> variables_map_.erase(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a id="l01769" name="l01769"></a><span class="lineno"> 1769</span> }</div>
|
|
<div class="line"><a id="l01770" name="l01770"></a><span class="lineno"> 1770</span> </div>
|
|
<div class="line"><a id="l01771" name="l01771"></a><span class="lineno"> 1771</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span> :</div>
|
|
<div class="line"><a id="l01772" name="l01772"></a><span class="lineno"> 1772</span> model_update.deleted_linear_constraint_ids()) {</div>
|
|
<div class="line"><a id="l01773" name="l01773"></a><span class="lineno"> 1773</span> ConstraintData& constraint_data = linear_constraints_map_.at(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a id="l01774" name="l01774"></a><span class="lineno"> 1774</span> deleted_constraints_index.emplace_back(constraint_data.constraint_index);</div>
|
|
<div class="line"><a id="l01775" name="l01775"></a><span class="lineno"> 1775</span> <span class="keywordflow">if</span> (constraint_data.slack_index != kUnspecifiedIndex) {</div>
|
|
<div class="line"><a id="l01776" name="l01776"></a><span class="lineno"> 1776</span> deleted_variables_index.emplace_back(constraint_data.slack_index);</div>
|
|
<div class="line"><a id="l01777" name="l01777"></a><span class="lineno"> 1777</span> constraint_data.slack_index = kUnspecifiedIndex;</div>
|
|
<div class="line"><a id="l01778" name="l01778"></a><span class="lineno"> 1778</span> slack_map_.erase(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a id="l01779" name="l01779"></a><span class="lineno"> 1779</span> }</div>
|
|
<div class="line"><a id="l01780" name="l01780"></a><span class="lineno"> 1780</span> linear_constraints_map_.erase(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a id="l01781" name="l01781"></a><span class="lineno"> 1781</span> }</div>
|
|
<div class="line"><a id="l01782" name="l01782"></a><span class="lineno"> 1782</span> </div>
|
|
<div class="line"><a id="l01783" name="l01783"></a><span class="lineno"> 1783</span> <span class="comment">// If no cached deletions, we are done.</span></div>
|
|
<div class="line"><a id="l01784" name="l01784"></a><span class="lineno"> 1784</span> <span class="keywordflow">if</span> (deleted_variables_index.empty() && deleted_constraints_index.empty()) {</div>
|
|
<div class="line"><a id="l01785" name="l01785"></a><span class="lineno"> 1785</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01786" name="l01786"></a><span class="lineno"> 1786</span> }</div>
|
|
<div class="line"><a id="l01787" name="l01787"></a><span class="lineno"> 1787</span> <span class="comment">// If we are removing variables or constraints we remove them after adding</span></div>
|
|
<div class="line"><a id="l01788" name="l01788"></a><span class="lineno"> 1788</span> <span class="comment">// any variable or constraint. This is to avoid problems with</span></div>
|
|
<div class="line"><a id="l01789" name="l01789"></a><span class="lineno"> 1789</span> <span class="comment">// the numbering of possibly new variables and constraints.</span></div>
|
|
<div class="line"><a id="l01790" name="l01790"></a><span class="lineno"> 1790</span> <span class="comment">// After that we must update the model so that sequence of updates don't</span></div>
|
|
<div class="line"><a id="l01791" name="l01791"></a><span class="lineno"> 1791</span> <span class="comment">// interfere with one-another.</span></div>
|
|
<div class="line"><a id="l01792" name="l01792"></a><span class="lineno"> 1792</span> <span class="keywordflow">if</span> (!deleted_constraints_index.empty()) {</div>
|
|
<div class="line"><a id="l01793" name="l01793"></a><span class="lineno"> 1793</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->DelConstrs(deleted_constraints_index));</div>
|
|
<div class="line"><a id="l01794" name="l01794"></a><span class="lineno"> 1794</span> }</div>
|
|
<div class="line"><a id="l01795" name="l01795"></a><span class="lineno"> 1795</span> </div>
|
|
<div class="line"><a id="l01796" name="l01796"></a><span class="lineno"> 1796</span> <span class="keywordflow">if</span> (!deleted_variables_index.empty()) {</div>
|
|
<div class="line"><a id="l01797" name="l01797"></a><span class="lineno"> 1797</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->DelVars(deleted_variables_index));</div>
|
|
<div class="line"><a id="l01798" name="l01798"></a><span class="lineno"> 1798</span> num_gurobi_variables_ -= deleted_variables_index.size();</div>
|
|
<div class="line"><a id="l01799" name="l01799"></a><span class="lineno"> 1799</span> }</div>
|
|
<div class="line"><a id="l01800" name="l01800"></a><span class="lineno"> 1800</span> </div>
|
|
<div class="line"><a id="l01801" name="l01801"></a><span class="lineno"> 1801</span> <span class="comment">// If we removed variables or constraints we must flush all pending changes</span></div>
|
|
<div class="line"><a id="l01802" name="l01802"></a><span class="lineno"> 1802</span> <span class="comment">// to synchronize the number of variables and constraints with the Gurobi</span></div>
|
|
<div class="line"><a id="l01803" name="l01803"></a><span class="lineno"> 1803</span> <span class="comment">// model.</span></div>
|
|
<div class="line"><a id="l01804" name="l01804"></a><span class="lineno"> 1804</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->UpdateModel());</div>
|
|
<div class="line"><a id="l01805" name="l01805"></a><span class="lineno"> 1805</span> <span class="comment">// Regenerate indices.</span></div>
|
|
<div class="line"><a id="l01806" name="l01806"></a><span class="lineno"> 1806</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateGurobiIndices());</div>
|
|
<div class="line"><a id="l01807" name="l01807"></a><span class="lineno"> 1807</span> </div>
|
|
<div class="line"><a id="l01808" name="l01808"></a><span class="lineno"> 1808</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01809" name="l01809"></a><span class="lineno"> 1809</span>}</div>
|
|
<div class="line"><a id="l01810" name="l01810"></a><span class="lineno"> 1810</span> </div>
|
|
<div class="line"><a id="l01811" name="l01811"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a73909f7e8ae986fafa92070c5298634e"> 1811</a></span>absl::StatusOr<std::unique_ptr<GurobiSolver>> GurobiSolver::New(</div>
|
|
<div class="line"><a id="l01812" name="l01812"></a><span class="lineno"> 1812</span> <span class="keyword">const</span> ModelProto& input_model, <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args.html">SolverInterface::InitArgs</a>& init_args) {</div>
|
|
<div class="line"><a id="l01813" name="l01813"></a><span class="lineno"> 1813</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research.html#ac79aad20cb4baeeb6be9336730973514">GurobiIsCorrectlyInstalled</a>()) {</div>
|
|
<div class="line"><a id="l01814" name="l01814"></a><span class="lineno"> 1814</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">"Gurobi is not correctly installed."</span>);</div>
|
|
<div class="line"><a id="l01815" name="l01815"></a><span class="lineno"> 1815</span> }</div>
|
|
<div class="line"><a id="l01816" name="l01816"></a><span class="lineno"> 1816</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(std::unique_ptr<Gurobi> <a class="code hl_variable" href="g__gurobi_8cc.html#ac990cb3bd3735ca93fbc86345df21bd5">gurobi</a>,</div>
|
|
<div class="line"><a id="l01817" name="l01817"></a><span class="lineno"> 1817</span> GurobiFromInitArgs(init_args));</div>
|
|
<div class="line"><a id="l01818" name="l01818"></a><span class="lineno"> 1818</span> <span class="keyword">auto</span> gurobi_solver = absl::WrapUnique(<span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html">GurobiSolver</a>(std::move(<a class="code hl_variable" href="g__gurobi_8cc.html#ac990cb3bd3735ca93fbc86345df21bd5">gurobi</a>)));</div>
|
|
<div class="line"><a id="l01819" name="l01819"></a><span class="lineno"> 1819</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_solver->LoadModel(input_model));</div>
|
|
<div class="line"><a id="l01820" name="l01820"></a><span class="lineno"> 1820</span> <span class="keywordflow">return</span> gurobi_solver;</div>
|
|
<div class="line"><a id="l01821" name="l01821"></a><span class="lineno"> 1821</span>}</div>
|
|
<div class="line"><a id="l01822" name="l01822"></a><span class="lineno"> 1822</span> </div>
|
|
<div class="line"><a id="l01823" name="l01823"></a><span class="lineno"> 1823</span>absl::StatusOr<std::unique_ptr<GurobiSolver::GurobiCallbackData>></div>
|
|
<div class="line"><a id="l01824" name="l01824"></a><span class="lineno"> 1824</span>GurobiSolver::RegisterCallback(<span class="keyword">const</span> CallbackRegistrationProto& registration,</div>
|
|
<div class="line"><a id="l01825" name="l01825"></a><span class="lineno"> 1825</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1math__opt.html#a9d73bc1014f12f33dfaa51825ad668ee">Callback</a> cb,</div>
|
|
<div class="line"><a id="l01826" name="l01826"></a><span class="lineno"> 1826</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1math__opt.html#aad3360b1947c772bebf3d3cfb2105a15">MessageCallback</a> message_cb,</div>
|
|
<div class="line"><a id="l01827" name="l01827"></a><span class="lineno"> 1827</span> <span class="keyword">const</span> absl::Time <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>,</div>
|
|
<div class="line"><a id="l01828" name="l01828"></a><span class="lineno"> 1828</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">SolveInterrupter</a>* <span class="keyword">const</span> local_interrupter) {</div>
|
|
<div class="line"><a id="l01829" name="l01829"></a><span class="lineno"> 1829</span> <span class="keyword">const</span> absl::flat_hash_set<CallbackEventProto> events = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#af457f60ebac293554106c3ee3898607e">EventSet</a>(registration);</div>
|
|
<div class="line"><a id="l01830" name="l01830"></a><span class="lineno"> 1830</span> </div>
|
|
<div class="line"><a id="l01831" name="l01831"></a><span class="lineno"> 1831</span> <span class="comment">// Note that IS_MIP does not necessarily mean the problem has integer</span></div>
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<div class="line"><a id="l01832" name="l01832"></a><span class="lineno"> 1832</span> <span class="comment">// variables. Please refer to Gurobi's doc for details:</span></div>
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<div class="line"><a id="l01833" name="l01833"></a><span class="lineno"> 1833</span> <span class="comment">// https://www.gurobi.com/documentation/9.1/refman/ismip.html.</span></div>
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<div class="line"><a id="l01834" name="l01834"></a><span class="lineno"> 1834</span> <span class="comment">//</span></div>
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<div class="line"><a id="l01835" name="l01835"></a><span class="lineno"> 1835</span> <span class="comment">// Here we assume that we get MIP related events and use a MIP solving</span></div>
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<div class="line"><a id="l01836" name="l01836"></a><span class="lineno"> 1836</span> <span class="comment">// stragegy when IS_MIP is true.</span></div>
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<div class="line"><a id="l01837" name="l01837"></a><span class="lineno"> 1837</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> is_mip, gurobi_->GetIntAttr(<a class="code hl_define" href="environment_8h.html#a818911c41b6c6db875cc4296cb7a861a">GRB_INT_ATTR_IS_MIP</a>));</div>
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<div class="line"><a id="l01838" name="l01838"></a><span class="lineno"> 1838</span> </div>
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<div class="line"><a id="l01839" name="l01839"></a><span class="lineno"> 1839</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a0d2106bc8a55ecfe52d502eee346b62a">CheckRegisteredCallbackEvents</a>(</div>
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<div class="line"><a id="l01840" name="l01840"></a><span class="lineno"> 1840</span> registration, is_mip ? SupportedMIPEvents() : SupportedLPEvents()))</div>
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<div class="line"><a id="l01841" name="l01841"></a><span class="lineno"> 1841</span> << <span class="stringliteral">"for a "</span> << (is_mip ? <span class="stringliteral">"MIP"</span> : <span class="stringliteral">"LP"</span>) << <span class="stringliteral">" model"</span>;</div>
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|
<div class="line"><a id="l01842" name="l01842"></a><span class="lineno"> 1842</span> </div>
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<div class="line"><a id="l01843" name="l01843"></a><span class="lineno"> 1843</span> <span class="comment">// Set Gurobi parameters.</span></div>
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<div class="line"><a id="l01844" name="l01844"></a><span class="lineno"> 1844</span> <span class="keywordflow">if</span> (message_cb != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l01845" name="l01845"></a><span class="lineno"> 1845</span> <span class="comment">// Disable logging messages to the console the user wants to handle</span></div>
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|
<div class="line"><a id="l01846" name="l01846"></a><span class="lineno"> 1846</span> <span class="comment">// messages.</span></div>
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<div class="line"><a id="l01847" name="l01847"></a><span class="lineno"> 1847</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntParam(<a class="code hl_define" href="environment_8h.html#a0a3ce7c49cba11b567c1d6fdfd732e1a">GRB_INT_PAR_LOGTOCONSOLE</a>, 0));</div>
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|
<div class="line"><a id="l01848" name="l01848"></a><span class="lineno"> 1848</span> }</div>
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<div class="line"><a id="l01849" name="l01849"></a><span class="lineno"> 1849</span> <span class="keywordflow">if</span> (registration.add_cuts() || registration.add_lazy_constraints()) {</div>
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|
<div class="line"><a id="l01850" name="l01850"></a><span class="lineno"> 1850</span> <span class="comment">// This is to signal the solver presolve to limit primal transformations</span></div>
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|
<div class="line"><a id="l01851" name="l01851"></a><span class="lineno"> 1851</span> <span class="comment">// that precludes crushing cuts to the presolved model.</span></div>
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|
<div class="line"><a id="l01852" name="l01852"></a><span class="lineno"> 1852</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntParam(<a class="code hl_define" href="environment_8h.html#afe22013f7a404d80baf84d00229707e2">GRB_INT_PAR_PRECRUSH</a>, 1));</div>
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|
<div class="line"><a id="l01853" name="l01853"></a><span class="lineno"> 1853</span> }</div>
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|
<div class="line"><a id="l01854" name="l01854"></a><span class="lineno"> 1854</span> <span class="keywordflow">if</span> (registration.add_lazy_constraints()) {</div>
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|
<div class="line"><a id="l01855" name="l01855"></a><span class="lineno"> 1855</span> <span class="comment">// This is needed so that the solver knows that some presolve reductions</span></div>
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|
<div class="line"><a id="l01856" name="l01856"></a><span class="lineno"> 1856</span> <span class="comment">// can not be performed safely.</span></div>
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<div class="line"><a id="l01857" name="l01857"></a><span class="lineno"> 1857</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntParam(<a class="code hl_define" href="environment_8h.html#a62d37112893fc582e67f827f3798ed55">GRB_INT_PAR_LAZYCONSTRAINTS</a>, 1));</div>
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|
<div class="line"><a id="l01858" name="l01858"></a><span class="lineno"> 1858</span> }</div>
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|
<div class="line"><a id="l01859" name="l01859"></a><span class="lineno"> 1859</span> <span class="keywordflow">return</span> absl::make_unique<GurobiCallbackData>(</div>
|
|
<div class="line"><a id="l01860" name="l01860"></a><span class="lineno"> 1860</span> GurobiCallbackInput{</div>
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|
<div class="line"><a id="l01861" name="l01861"></a><span class="lineno"> 1861</span> .user_cb = cb,</div>
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|
<div class="line"><a id="l01862" name="l01862"></a><span class="lineno"> 1862</span> .message_cb = message_cb,</div>
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|
<div class="line"><a id="l01863" name="l01863"></a><span class="lineno"> 1863</span> .variable_ids = variables_map_,</div>
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|
<div class="line"><a id="l01864" name="l01864"></a><span class="lineno"> 1864</span> .num_gurobi_vars = num_gurobi_variables_,</div>
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|
<div class="line"><a id="l01865" name="l01865"></a><span class="lineno"> 1865</span> .events = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a90644d44a9987c14edfb1cd0d2605bc5">EventToGurobiWhere</a>(events),</div>
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|
<div class="line"><a id="l01866" name="l01866"></a><span class="lineno"> 1866</span> .mip_solution_filter = registration.mip_solution_filter(),</div>
|
|
<div class="line"><a id="l01867" name="l01867"></a><span class="lineno"> 1867</span> .mip_node_filter = registration.mip_node_filter(),</div>
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|
<div class="line"><a id="l01868" name="l01868"></a><span class="lineno"> 1868</span> .start = <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>},</div>
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|
<div class="line"><a id="l01869" name="l01869"></a><span class="lineno"> 1869</span> local_interrupter);</div>
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|
<div class="line"><a id="l01870" name="l01870"></a><span class="lineno"> 1870</span>}</div>
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|
<div class="line"><a id="l01871" name="l01871"></a><span class="lineno"> 1871</span> </div>
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|
<div class="line"><a id="l01872" name="l01872"></a><span class="lineno"> 1872</span>absl::StatusOr<InvertedBounds> GurobiSolver::ListInvertedBounds()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l01873" name="l01873"></a><span class="lineno"> 1873</span> InvertedBounds inverted_bounds;</div>
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|
<div class="line"><a id="l01874" name="l01874"></a><span class="lineno"> 1874</span> {</div>
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|
<div class="line"><a id="l01875" name="l01875"></a><span class="lineno"> 1875</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l01876" name="l01876"></a><span class="lineno"> 1876</span> <span class="keyword">const</span> std::vector<double> var_lbs,</div>
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|
<div class="line"><a id="l01877" name="l01877"></a><span class="lineno"> 1877</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#ae11f079a0448e1dd3ac0a4a5938a7a1d">GRB_DBL_ATTR_LB</a>, num_gurobi_variables_));</div>
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|
<div class="line"><a id="l01878" name="l01878"></a><span class="lineno"> 1878</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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|
<div class="line"><a id="l01879" name="l01879"></a><span class="lineno"> 1879</span> <span class="keyword">const</span> std::vector<double> var_ubs,</div>
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|
<div class="line"><a id="l01880" name="l01880"></a><span class="lineno"> 1880</span> gurobi_->GetDoubleAttrArray(<a class="code hl_define" href="environment_8h.html#a0a9e67177dc51990769f46c9eab75ced">GRB_DBL_ATTR_UB</a>, num_gurobi_variables_));</div>
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|
<div class="line"><a id="l01881" name="l01881"></a><span class="lineno"> 1881</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [<span class="keywordtype">id</span>, <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] : variables_map_) {</div>
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|
<div class="line"><a id="l01882" name="l01882"></a><span class="lineno"> 1882</span> <span class="keywordflow">if</span> (var_lbs[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] > var_ubs[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]) {</div>
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|
<div class="line"><a id="l01883" name="l01883"></a><span class="lineno"> 1883</span> inverted_bounds.variables.push_back(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a id="l01884" name="l01884"></a><span class="lineno"> 1884</span> }</div>
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|
<div class="line"><a id="l01885" name="l01885"></a><span class="lineno"> 1885</span> }</div>
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|
<div class="line"><a id="l01886" name="l01886"></a><span class="lineno"> 1886</span> }</div>
|
|
<div class="line"><a id="l01887" name="l01887"></a><span class="lineno"> 1887</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [<span class="keywordtype">id</span>, cstr_data] : linear_constraints_map_) {</div>
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|
<div class="line"><a id="l01888" name="l01888"></a><span class="lineno"> 1888</span> <span class="keywordflow">if</span> (cstr_data.lower_bound > cstr_data.upper_bound) {</div>
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|
<div class="line"><a id="l01889" name="l01889"></a><span class="lineno"> 1889</span> inverted_bounds.linear_constraints.push_back(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a id="l01890" name="l01890"></a><span class="lineno"> 1890</span> }</div>
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|
<div class="line"><a id="l01891" name="l01891"></a><span class="lineno"> 1891</span> }</div>
|
|
<div class="line"><a id="l01892" name="l01892"></a><span class="lineno"> 1892</span> </div>
|
|
<div class="line"><a id="l01893" name="l01893"></a><span class="lineno"> 1893</span> <span class="comment">// Above code have inserted ids in non-stable order.</span></div>
|
|
<div class="line"><a id="l01894" name="l01894"></a><span class="lineno"> 1894</span> std::sort(inverted_bounds.variables.begin(), inverted_bounds.variables.end());</div>
|
|
<div class="line"><a id="l01895" name="l01895"></a><span class="lineno"> 1895</span> std::sort(inverted_bounds.linear_constraints.begin(),</div>
|
|
<div class="line"><a id="l01896" name="l01896"></a><span class="lineno"> 1896</span> inverted_bounds.linear_constraints.end());</div>
|
|
<div class="line"><a id="l01897" name="l01897"></a><span class="lineno"> 1897</span> <span class="keywordflow">return</span> inverted_bounds;</div>
|
|
<div class="line"><a id="l01898" name="l01898"></a><span class="lineno"> 1898</span>}</div>
|
|
<div class="line"><a id="l01899" name="l01899"></a><span class="lineno"> 1899</span> </div>
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|
<div class="line"><a id="l01900" name="l01900"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a7875bc8ab28e1cf6cefc688d7b70ac7e"> 1900</a></span>absl::StatusOr<SolveResultProto> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1">GurobiSolver::Solve</a>(</div>
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|
<div class="line"><a id="l01901" name="l01901"></a><span class="lineno"> 1901</span> <span class="keyword">const</span> SolveParametersProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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|
<div class="line"><a id="l01902" name="l01902"></a><span class="lineno"> 1902</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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|
<div class="line"><a id="l01903" name="l01903"></a><span class="lineno"> 1903</span> <span class="keyword">const</span> <a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#aad3360b1947c772bebf3d3cfb2105a15">MessageCallback</a> message_cb,</div>
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|
<div class="line"><a id="l01904" name="l01904"></a><span class="lineno"> 1904</span> <span class="keyword">const</span> CallbackRegistrationProto& callback_registration, <span class="keyword">const</span> <a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">Callback</a> cb,</div>
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<div class="line"><a id="l01905" name="l01905"></a><span class="lineno"> 1905</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">SolveInterrupter</a>* <span class="keyword">const</span> interrupter) {</div>
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|
<div class="line"><a id="l01906" name="l01906"></a><span class="lineno"> 1906</span> <span class="keyword">const</span> absl::Time <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a> = absl::Now();</div>
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|
<div class="line"><a id="l01907" name="l01907"></a><span class="lineno"> 1907</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 id="l01908" name="l01908"></a><span class="lineno"> 1908</span> <span class="comment">// some parameters depending on the callback registration.</span></div>
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|
<div class="line"><a id="l01909" name="l01909"></a><span class="lineno"> 1909</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(SetParameters(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>));</div>
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|
<div class="line"><a id="l01910" name="l01910"></a><span class="lineno"> 1910</span> </div>
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<div class="line"><a id="l01911" name="l01911"></a><span class="lineno"> 1911</span> <span class="comment">// We use a local interrupter that will triggers the calls to GRBterminate()</span></div>
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<div class="line"><a id="l01912" name="l01912"></a><span class="lineno"> 1912</span> <span class="comment">// when either the user interrupter is triggered or when a callback returns a</span></div>
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<div class="line"><a id="l01913" name="l01913"></a><span class="lineno"> 1913</span> <span class="comment">// true `terminate`.</span></div>
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<div class="line"><a id="l01914" name="l01914"></a><span class="lineno"> 1914</span> std::unique_ptr<SolveInterrupter> local_interrupter;</div>
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<div class="line"><a id="l01915" name="l01915"></a><span class="lineno"> 1915</span> <span class="keywordflow">if</span> (cb != <span class="keyword">nullptr</span> || interrupter != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l01916" name="l01916"></a><span class="lineno"> 1916</span> local_interrupter = std::make_unique<SolveInterrupter>();</div>
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<div class="line"><a id="l01917" name="l01917"></a><span class="lineno"> 1917</span> }</div>
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<div class="line"><a id="l01918" name="l01918"></a><span class="lineno"> 1918</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_scoped_solve_interrupter_callback.html">ScopedSolveInterrupterCallback</a> scoped_terminate_callback(</div>
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<div class="line"><a id="l01919" name="l01919"></a><span class="lineno"> 1919</span> local_interrupter.get(), [&]() {</div>
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<div class="line"><a id="l01920" name="l01920"></a><span class="lineno"> 1920</span> <span class="comment">// Make an immediate call to GRBterminate() as soon as this interrupter</span></div>
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<div class="line"><a id="l01921" name="l01921"></a><span class="lineno"> 1921</span> <span class="comment">// is triggered (which may immediately happen in the code below when it</span></div>
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<div class="line"><a id="l01922" name="l01922"></a><span class="lineno"> 1922</span> <span class="comment">// is chained with the optional user interrupter).</span></div>
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<div class="line"><a id="l01923" name="l01923"></a><span class="lineno"> 1923</span> <span class="comment">//</span></div>
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<div class="line"><a id="l01924" name="l01924"></a><span class="lineno"> 1924</span> <span class="comment">// This call may happen too early. This is not an issue since we will</span></div>
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<div class="line"><a id="l01925" name="l01925"></a><span class="lineno"> 1925</span> <span class="comment">// repeat this call at each call of the Gurobi callback. See the comment</span></div>
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<div class="line"><a id="l01926" name="l01926"></a><span class="lineno"> 1926</span> <span class="comment">// in GurobiCallbackImpl() for details.</span></div>
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|
<div class="line"><a id="l01927" name="l01927"></a><span class="lineno"> 1927</span> gurobi_->Terminate();</div>
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<div class="line"><a id="l01928" name="l01928"></a><span class="lineno"> 1928</span> });</div>
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<div class="line"><a id="l01929" name="l01929"></a><span class="lineno"> 1929</span> </div>
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<div class="line"><a id="l01930" name="l01930"></a><span class="lineno"> 1930</span> <span class="comment">// Chain the user interrupter to the local interrupter. If/when the user</span></div>
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<div class="line"><a id="l01931" name="l01931"></a><span class="lineno"> 1931</span> <span class="comment">// interrupter is triggered, this triggers the local interrupter. This may</span></div>
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<div class="line"><a id="l01932" name="l01932"></a><span class="lineno"> 1932</span> <span class="comment">// happen immediately if the user interrupter is already triggered.</span></div>
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<div class="line"><a id="l01933" name="l01933"></a><span class="lineno"> 1933</span> <span class="comment">//</span></div>
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<div class="line"><a id="l01934" name="l01934"></a><span class="lineno"> 1934</span> <span class="comment">// The local interrupter can also be triggered by a callback returning a true</span></div>
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<div class="line"><a id="l01935" name="l01935"></a><span class="lineno"> 1935</span> <span class="comment">// `terminate`.</span></div>
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<div class="line"><a id="l01936" name="l01936"></a><span class="lineno"> 1936</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_scoped_solve_interrupter_callback.html">ScopedSolveInterrupterCallback</a> scoped_chaining_callback(</div>
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<div class="line"><a id="l01937" name="l01937"></a><span class="lineno"> 1937</span> interrupter, [&]() { local_interrupter-><a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#ac1c30a63fcff78de5e4924f7ee2b822e">Interrupt</a>(); });</div>
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<div class="line"><a id="l01938" name="l01938"></a><span class="lineno"> 1938</span> </div>
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<div class="line"><a id="l01939" name="l01939"></a><span class="lineno"> 1939</span> <span class="comment">// Need to run GRBupdatemodel before registering callbacks (to test if the</span></div>
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<div class="line"><a id="l01940" name="l01940"></a><span class="lineno"> 1940</span> <span class="comment">// problem is a MIP), setting basis and getting the obj sense.</span></div>
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<div class="line"><a id="l01941" name="l01941"></a><span class="lineno"> 1941</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->UpdateModel());</div>
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<div class="line"><a id="l01942" name="l01942"></a><span class="lineno"> 1942</span> </div>
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<div class="line"><a id="l01943" name="l01943"></a><span class="lineno"> 1943</span> <span class="keywordflow">if</span> (model_parameters.has_initial_basis()) {</div>
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<div class="line"><a id="l01944" name="l01944"></a><span class="lineno"> 1944</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(SetGurobiBasis(model_parameters.initial_basis()));</div>
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<div class="line"><a id="l01945" name="l01945"></a><span class="lineno"> 1945</span> }</div>
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<div class="line"><a id="l01946" name="l01946"></a><span class="lineno"> 1946</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntAttr(<a class="code hl_define" href="environment_8h.html#a882c65ab0b94b1c902a468e7d07ee42d">GRB_INT_ATTR_NUMSTART</a>,</div>
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<div class="line"><a id="l01947" name="l01947"></a><span class="lineno"> 1947</span> model_parameters.solution_hints_size()));</div>
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<div class="line"><a id="l01948" name="l01948"></a><span class="lineno"> 1948</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < model_parameters.solution_hints_size(); ++i) {</div>
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<div class="line"><a id="l01949" name="l01949"></a><span class="lineno"> 1949</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->SetIntParam(<a class="code hl_define" href="environment_8h.html#ab01eab8c069a6fec6953aa1e6ee28fd6">GRB_INT_PAR_STARTNUMBER</a>, i));</div>
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<div class="line"><a id="l01950" name="l01950"></a><span class="lineno"> 1950</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateDoubleListAttribute(</div>
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<div class="line"><a id="l01951" name="l01951"></a><span class="lineno"> 1951</span> model_parameters.solution_hints(i).variable_values(),</div>
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<div class="line"><a id="l01952" name="l01952"></a><span class="lineno"> 1952</span> <a class="code hl_define" href="environment_8h.html#a13d56b4c7ae1126425a3584a3e4e1e7c">GRB_DBL_ATTR_START</a>, variables_map_));</div>
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<div class="line"><a id="l01953" name="l01953"></a><span class="lineno"> 1953</span> }</div>
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<div class="line"><a id="l01954" name="l01954"></a><span class="lineno"> 1954</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
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<div class="line"><a id="l01955" name="l01955"></a><span class="lineno"> 1955</span> UpdateInt32ListAttribute(model_parameters.branching_priorities(),</div>
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<div class="line"><a id="l01956" name="l01956"></a><span class="lineno"> 1956</span> <a class="code hl_define" href="environment_8h.html#a0ab4faba5895cb10a2a9454c0d162772">GRB_INT_ATTR_BRANCHPRIORITY</a>, variables_map_));</div>
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<div class="line"><a id="l01957" name="l01957"></a><span class="lineno"> 1957</span> </div>
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<div class="line"><a id="l01958" name="l01958"></a><span class="lineno"> 1958</span> <span class="comment">// Here we register the callback when we either have a user callback or a</span></div>
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<div class="line"><a id="l01959" name="l01959"></a><span class="lineno"> 1959</span> <span class="comment">// local interrupter. The rationale for doing so when we have only an</span></div>
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<div class="line"><a id="l01960" name="l01960"></a><span class="lineno"> 1960</span> <span class="comment">// interrupter is explained in GurobiCallbackImpl().</span></div>
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<div class="line"><a id="l01961" name="l01961"></a><span class="lineno"> 1961</span> <a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_gurobi.html#a5ce9808a1da3fa2cc9d95c4652cedc69">Gurobi::Callback</a> grb_cb = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l01962" name="l01962"></a><span class="lineno"> 1962</span> std::unique_ptr<GurobiCallbackData> gurobi_cb_data;</div>
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<div class="line"><a id="l01963" name="l01963"></a><span class="lineno"> 1963</span> <span class="keywordflow">if</span> (cb != <span class="keyword">nullptr</span> || local_interrupter != <span class="keyword">nullptr</span> || message_cb != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l01964" name="l01964"></a><span class="lineno"> 1964</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(gurobi_cb_data,</div>
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<div class="line"><a id="l01965" name="l01965"></a><span class="lineno"> 1965</span> RegisterCallback(callback_registration, cb, message_cb,</div>
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<div class="line"><a id="l01966" name="l01966"></a><span class="lineno"> 1966</span> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, local_interrupter.get()));</div>
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<div class="line"><a id="l01967" name="l01967"></a><span class="lineno"> 1967</span> grb_cb = [&gurobi_cb_data](</div>
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<div class="line"><a id="l01968" name="l01968"></a><span class="lineno"> 1968</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_gurobi_1_1_callback_context.html">Gurobi::CallbackContext</a>& cb_context) -> absl::Status {</div>
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<div class="line"><a id="l01969" name="l01969"></a><span class="lineno"> 1969</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a641f09e40ce37a52ad4c285e77d66ded">GurobiCallbackImpl</a>(cb_context, gurobi_cb_data->callback_input,</div>
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<div class="line"><a id="l01970" name="l01970"></a><span class="lineno"> 1970</span> gurobi_cb_data->message_callback_data,</div>
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<div class="line"><a id="l01971" name="l01971"></a><span class="lineno"> 1971</span> gurobi_cb_data->local_interrupter);</div>
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<div class="line"><a id="l01972" name="l01972"></a><span class="lineno"> 1972</span> };</div>
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<div class="line"><a id="l01973" name="l01973"></a><span class="lineno"> 1973</span> }</div>
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<div class="line"><a id="l01974" name="l01974"></a><span class="lineno"> 1974</span> </div>
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<div class="line"><a id="l01975" name="l01975"></a><span class="lineno"> 1975</span> <span class="comment">// Gurobi returns "infeasible" when bounds are inverted.</span></div>
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<div class="line"><a id="l01976" name="l01976"></a><span class="lineno"> 1976</span> {</div>
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<div class="line"><a id="l01977" name="l01977"></a><span class="lineno"> 1977</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_inverted_bounds.html">InvertedBounds</a> inverted_bounds,</div>
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<div class="line"><a id="l01978" name="l01978"></a><span class="lineno"> 1978</span> ListInvertedBounds());</div>
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<div class="line"><a id="l01979" name="l01979"></a><span class="lineno"> 1979</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(inverted_bounds.<a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_inverted_bounds.html#a4f5f5e97803632d28f61eb65c64627b5">ToStatus</a>());</div>
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<div class="line"><a id="l01980" name="l01980"></a><span class="lineno"> 1980</span> }</div>
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<div class="line"><a id="l01981" name="l01981"></a><span class="lineno"> 1981</span> </div>
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<div class="line"><a id="l01982" name="l01982"></a><span class="lineno"> 1982</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->Optimize(grb_cb));</div>
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|
<div class="line"><a id="l01983" name="l01983"></a><span class="lineno"> 1983</span> </div>
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<div class="line"><a id="l01984" name="l01984"></a><span class="lineno"> 1984</span> <span class="comment">// We flush message callbacks before testing for Gurobi error in case where</span></div>
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<div class="line"><a id="l01985" name="l01985"></a><span class="lineno"> 1985</span> <span class="comment">// the unfinished line of message would help with the error.</span></div>
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<div class="line"><a id="l01986" name="l01986"></a><span class="lineno"> 1986</span> <span class="keywordflow">if</span> (gurobi_cb_data != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l01987" name="l01987"></a><span class="lineno"> 1987</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a158a3cecea7ce7e824ae5eca3a365f1d">GurobiCallbackImplFlush</a>(gurobi_cb_data->callback_input,</div>
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<div class="line"><a id="l01988" name="l01988"></a><span class="lineno"> 1988</span> gurobi_cb_data->message_callback_data);</div>
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<div class="line"><a id="l01989" name="l01989"></a><span class="lineno"> 1989</span> }</div>
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<div class="line"><a id="l01990" name="l01990"></a><span class="lineno"> 1990</span> </div>
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<div class="line"><a id="l01991" name="l01991"></a><span class="lineno"> 1991</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(SolveResultProto solve_result,</div>
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<div class="line"><a id="l01992" name="l01992"></a><span class="lineno"> 1992</span> ExtractSolveResultProto(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, model_parameters));</div>
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<div class="line"><a id="l01993" name="l01993"></a><span class="lineno"> 1993</span> <span class="comment">// Reset Gurobi parameters.</span></div>
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<div class="line"><a id="l01994" name="l01994"></a><span class="lineno"> 1994</span> <span class="comment">// TODO(user): ensure that resetting parameters does not degrade</span></div>
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<div class="line"><a id="l01995" name="l01995"></a><span class="lineno"> 1995</span> <span class="comment">// incrementalism performance.</span></div>
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<div class="line"><a id="l01996" name="l01996"></a><span class="lineno"> 1996</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gurobi_->ResetParameters());</div>
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<div class="line"><a id="l01997" name="l01997"></a><span class="lineno"> 1997</span> </div>
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<div class="line"><a id="l01998" name="l01998"></a><span class="lineno"> 1998</span> <span class="keywordflow">return</span> solve_result;</div>
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<div class="line"><a id="l01999" name="l01999"></a><span class="lineno"> 1999</span>}</div>
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<div class="line"><a id="l02000" name="l02000"></a><span class="lineno"> 2000</span> </div>
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<div class="line"><a id="l02001" name="l02001"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a1dcbb1374e91747a2db097361b091c8b"> 2001</a></span><span class="keywordtype">bool</span> GurobiSolver::CanUpdate(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
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<div class="line"><a id="l02002" name="l02002"></a><span class="lineno"> 2002</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l02003" name="l02003"></a><span class="lineno"> 2003</span>}</div>
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<div class="line"><a id="l02004" name="l02004"></a><span class="lineno"> 2004</span> </div>
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<div class="line"><a id="l02005" name="l02005"></a><span class="lineno"> 2005</span><a class="code hl_define" href="solver__interface_8h.html#ad082a79cf1be23f55e3435fad5bf4949">MATH_OPT_REGISTER_SOLVER</a>(SOLVER_TYPE_GUROBI, GurobiSolver::New)</div>
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<div class="line"><a id="l02006" name="l02006"></a><span class="lineno"> 2006</span> </div>
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<div class="line"><a id="l02007" name="l02007"></a><span class="lineno"> 2007</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l02008" name="l02008"></a><span class="lineno"> 2008</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#l00495">base/logging.h:495</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#l00892">base/logging.h:892</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a9f96ed9f06763f0821fdbb4d29031d8d"><div class="ttname"><a href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a></div><div class="ttdeci">#define CHECK_OK(x)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00044">base/logging.h:44</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_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#l00894">base/logging.h:894</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="abase_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#l00890">base/logging.h:890</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#l00891">base/logging.h:891</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html"><div class="ttname"><a href="base_2status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_a600de4b8f65fe0a4b1898041634f9011"><div class="ttname"><a href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a></div><div class="ttdeci">#define ASSIGN_OR_RETURN(lhs, rexpr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00046">base/status_macros.h:46</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00027">base/status_macros.h:27</a></div></div>
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<div class="ttc" id="acallback__validator_8h_html"><div class="ttname"><a href="callback__validator_8h.html">callback_validator.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_1_1_callback_context_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_1_1_callback_context.html">operations_research::math_opt::Gurobi::CallbackContext</a></div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8h_source.html#l00174">g_gurobi.h:174</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_html_a1c119c27420d4a14910dfcca2c1bf1d2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi.html#a1c119c27420d4a14910dfcca2c1bf1d2">operations_research::math_opt::Gurobi::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< Gurobi > > New(GRBenvUniquePtr master_env=nullptr)</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00103">g_gurobi.cc:103</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_html_a5ce9808a1da3fa2cc9d95c4652cedc69"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi.html#a5ce9808a1da3fa2cc9d95c4652cedc69">operations_research::math_opt::Gurobi::Callback</a></div><div class="ttdeci">std::function< absl::Status(const CallbackContext &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8h_source.html#l00225">g_gurobi.h:225</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_html_a6ab1feef4a76b36c368363eefc43cbc2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi.html#a6ab1feef4a76b36c368363eefc43cbc2">operations_research::math_opt::Gurobi::NewWithSharedMasterEnv</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< Gurobi > > NewWithSharedMasterEnv(GRBenv *master_env)</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00097">g_gurobi.cc:97</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#l00051">gurobi_solver.h:51</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_scoped_solve_interrupter_callback_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_scoped_solve_interrupter_callback.html">operations_research::math_opt::ScopedSolveInterrupterCallback</a></div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8h_source.html#l00117">solve_interrupter.h:117</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html">operations_research::math_opt::SolveInterrupter</a></div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8h_source.html#l00039">solve_interrupter.h:39</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solve_interrupter_html_ac1c30a63fcff78de5e4924f7ee2b822e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solve_interrupter.html#ac1c30a63fcff78de5e4924f7ee2b822e">operations_research::math_opt::SolveInterrupter::Interrupt</a></div><div class="ttdeci">void Interrupt()</div><div class="ttdef"><b>Definition:</b> <a href="solve__interrupter_8cc_source.html#l00030">solve_interrupter.cc:30</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html_aad3360b1947c772bebf3d3cfb2105a15"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html#aad3360b1947c772bebf3d3cfb2105a15">operations_research::math_opt::SolverInterface::MessageCallback</a></div><div class="ttdeci">std::function< void(const std::vector< std::string > &)> MessageCallback</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00075">solver_interface.h:75</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ab47a61ca53ae9cdf35dd4f2dfc9ecadb"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">operations_research::math_opt::SolverInterface::Callback</a></div><div class="ttdeci">std::function< absl::StatusOr< CallbackResultProto >(const CallbackDataProto &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00083">solver_interface.h:84</a></div></div>
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<div class="ttc" id="acleanup_8h_html"><div class="ttname"><a href="cleanup_8h.html">cleanup.h</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_aec8af5c1be4e1b6d4330e1161028de21"><div class="ttname"><a href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a></div><div class="ttdeci">ModelSharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02050">cp_model_solver.cc:2050</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_a00f4210121ba8c6e91d62a9abbf8621d"><div class="ttname"><a href="environment_8h.html#a00f4210121ba8c6e91d62a9abbf8621d">GRB_INT_PAR_BARITERLIMIT</a></div><div class="ttdeci">#define GRB_INT_PAR_BARITERLIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00476">environment.h:476</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_a0ab4faba5895cb10a2a9454c0d162772"><div class="ttname"><a href="environment_8h.html#a0ab4faba5895cb10a2a9454c0d162772">GRB_INT_ATTR_BRANCHPRIORITY</a></div><div class="ttdeci">#define GRB_INT_ATTR_BRANCHPRIORITY</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00184">environment.h:184</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a13d56b4c7ae1126425a3584a3e4e1e7c"><div class="ttname"><a href="environment_8h.html#a13d56b4c7ae1126425a3584a3e4e1e7c">GRB_DBL_ATTR_START</a></div><div class="ttdeci">#define GRB_DBL_ATTR_START</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00182">environment.h:182</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a157c7017f73a94539f7c1ea2d764f56e"><div class="ttname"><a href="environment_8h.html#a157c7017f73a94539f7c1ea2d764f56e">GRB_DBL_PAR_MIPGAP</a></div><div class="ttdeci">#define GRB_DBL_PAR_MIPGAP</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00487">environment.h:487</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a1c15d9bfccc6b9959c26fc01567993ab"><div class="ttname"><a href="environment_8h.html#a1c15d9bfccc6b9959c26fc01567993ab">GRB_DBL_PAR_FEASIBILITYTOL</a></div><div class="ttdeci">#define GRB_DBL_PAR_FEASIBILITYTOL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00484">environment.h:484</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_a1d8c45a6070f64cf0c2f8891a904ca74"><div class="ttname"><a href="environment_8h.html#a1d8c45a6070f64cf0c2f8891a904ca74">GRB_INT_PAR_SOLUTIONLIMIT</a></div><div class="ttdeci">#define GRB_INT_PAR_SOLUTIONLIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00480">environment.h:480</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_a3d7bd0e0071f49d72bf51ce4d387e862"><div class="ttname"><a href="environment_8h.html#a3d7bd0e0071f49d72bf51ce4d387e862">GRB_DBL_PAR_MIPGAPABS</a></div><div class="ttdeci">#define GRB_DBL_PAR_MIPGAPABS</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00488">environment.h:488</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_a41fe4d5aaeed368599c1e2188e56c2b8"><div class="ttname"><a href="environment_8h.html#a41fe4d5aaeed368599c1e2188e56c2b8">GRB_DBL_ATTR_BOUND_SVIO</a></div><div class="ttdeci">#define GRB_DBL_ATTR_BOUND_SVIO</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00243">environment.h:243</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_a47680f22fe1a9ebc26f0d50e3c66983b"><div class="ttname"><a href="environment_8h.html#a47680f22fe1a9ebc26f0d50e3c66983b">GRB_DBL_PAR_CUTOFF</a></div><div class="ttdeci">#define GRB_DBL_PAR_CUTOFF</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00477">environment.h:477</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_a530484175e32c03912ce0390eea79893"><div class="ttname"><a href="environment_8h.html#a530484175e32c03912ce0390eea79893">GRB_DBL_PAR_ITERATIONLIMIT</a></div><div class="ttdeci">#define GRB_DBL_PAR_ITERATIONLIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00478">environment.h:478</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_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_a81b08f1b06c08bd5fdb7f7ede995ea31"><div class="ttname"><a href="environment_8h.html#a81b08f1b06c08bd5fdb7f7ede995ea31">GRB_DBL_ATTR_CONSTR_RESIDUAL</a></div><div class="ttdeci">#define GRB_DBL_ATTR_CONSTR_RESIDUAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00254">environment.h:254</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_a882c65ab0b94b1c902a468e7d07ee42d"><div class="ttname"><a href="environment_8h.html#a882c65ab0b94b1c902a468e7d07ee42d">GRB_INT_ATTR_NUMSTART</a></div><div class="ttdeci">#define GRB_INT_ATTR_NUMSTART</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00313">environment.h:313</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a8838d0e707daf185e0c935497b0ec218"><div class="ttname"><a href="environment_8h.html#a8838d0e707daf185e0c935497b0ec218">GRB_DBL_ATTR_BOUND_VIO</a></div><div class="ttdeci">#define GRB_DBL_ATTR_BOUND_VIO</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00242">environment.h:242</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_a8c6920108a9184778fb5fe1ecb694ae5"><div class="ttname"><a href="environment_8h.html#a8c6920108a9184778fb5fe1ecb694ae5">GRB_DBL_PAR_BESTBDSTOP</a></div><div class="ttdeci">#define GRB_DBL_PAR_BESTBDSTOP</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00483">environment.h:483</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_a900d4d1393d231eed9fa27fb4c797270"><div class="ttname"><a href="environment_8h.html#a900d4d1393d231eed9fa27fb4c797270">GRB_DBL_ATTR_CONSTR_VIO</a></div><div class="ttdeci">#define GRB_DBL_ATTR_CONSTR_VIO</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00248">environment.h:248</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_a932d8e74db30b567ab2872c27ff3f4f6"><div class="ttname"><a href="environment_8h.html#a932d8e74db30b567ab2872c27ff3f4f6">GRB_DBL_ATTR_CONSTR_SRESIDUAL</a></div><div class="ttdeci">#define GRB_DBL_ATTR_CONSTR_SRESIDUAL</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00255">environment.h:255</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_a9b15ef3b783026313e3a32879164ef9e"><div class="ttname"><a href="environment_8h.html#a9b15ef3b783026313e3a32879164ef9e">GRB_DBL_ATTR_CONSTR_SVIO</a></div><div class="ttdeci">#define GRB_DBL_ATTR_CONSTR_SVIO</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00249">environment.h:249</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_aa31c9bd1d35a63ef947f07d5240b82e2"><div class="ttname"><a href="environment_8h.html#aa31c9bd1d35a63ef947f07d5240b82e2">GRB_DBL_PAR_BESTOBJSTOP</a></div><div class="ttdeci">#define GRB_DBL_PAR_BESTOBJSTOP</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00482">environment.h:482</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_ab01eab8c069a6fec6953aa1e6ee28fd6"><div class="ttname"><a href="environment_8h.html#ab01eab8c069a6fec6953aa1e6ee28fd6">GRB_INT_PAR_STARTNUMBER</a></div><div class="ttdeci">#define GRB_INT_PAR_STARTNUMBER</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00594">environment.h:594</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_af5ace65d7f1cca6b8638dbeafdc09b55"><div class="ttname"><a href="environment_8h.html#af5ace65d7f1cca6b8638dbeafdc09b55">GRB_DBL_PAR_NODELIMIT</a></div><div class="ttdeci">#define GRB_DBL_PAR_NODELIMIT</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00479">environment.h:479</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="ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d"><div class="ttname"><a href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a></div><div class="ttdeci">absl::Status status</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00035">g_gurobi.cc:35</a></div></div>
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<div class="ttc" id="ag__gurobi_8cc_html_ac990cb3bd3735ca93fbc86345df21bd5"><div class="ttname"><a href="g__gurobi_8cc.html#ac990cb3bd3735ca93fbc86345df21bd5">gurobi</a></div><div class="ttdeci">Gurobi * gurobi</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00036">g_gurobi.cc:36</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#l00137">gscip_solver.cc:137</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#l00136">gscip_solver.cc:136</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__init__arguments_8h_html"><div class="ttname"><a href="gurobi__init__arguments_8h.html">gurobi_init_arguments.h</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="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="alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="local__search_8cc_source.html#l02750">local_search.cc:2750</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_aea75330fcfcabf5467939b997a97e739"><div class="ttname"><a href="namespacegtl.html#aea75330fcfcabf5467939b997a97e739">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_1math__opt_html"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html">operations_research::math_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="arrow__operator__proxy_8h_source.html#l00020">arrow_operator_proxy.h:20</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a0d2106bc8a55ecfe52d502eee346b62a"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a0d2106bc8a55ecfe52d502eee346b62a">operations_research::math_opt::CheckRegisteredCallbackEvents</a></div><div class="ttdeci">absl::Status CheckRegisteredCallbackEvents(const CallbackRegistrationProto &registration, const absl::flat_hash_set< CallbackEventProto > &supported_events)</div><div class="ttdef"><b>Definition:</b> <a href="callback__validator_8cc_source.html#l00299">callback_validator.cc:299</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a158a3cecea7ce7e824ae5eca3a365f1d"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a158a3cecea7ce7e824ae5eca3a365f1d">operations_research::math_opt::GurobiCallbackImplFlush</a></div><div class="ttdeci">void GurobiCallbackImplFlush(const GurobiCallbackInput &callback_input, MessageCallbackData &message_callback_data)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00382">gurobi_callback.cc:382</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a490252ce76cb865d44d5888d50376e3d"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a490252ce76cb865d44d5888d50376e3d">operations_research::math_opt::NewMasterEnvironment</a></div><div class="ttdeci">absl::StatusOr< GRBenvUniquePtr > NewMasterEnvironment(std::optional< GurobiInitializerProto::ISVKey > proto_isv_key)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__init__arguments_8cc_source.html#l00024">gurobi_init_arguments.cc:24</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a5767ee23f380e72488d3c7ebf2d742b1"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1">operations_research::math_opt::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResult > Solve(const Model &model, const SolverType solver_type, const SolveArguments &solve_args, const SolverInitArguments &init_args)</div><div class="ttdef"><b>Definition:</b> <a href="solve_8cc_source.html#l00094">solve.cc:94</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a641f09e40ce37a52ad4c285e77d66ded"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a641f09e40ce37a52ad4c285e77d66ded">operations_research::math_opt::GurobiCallbackImpl</a></div><div class="ttdeci">absl::Status GurobiCallbackImpl(const Gurobi::CallbackContext &context, const GurobiCallbackInput &callback_input, MessageCallbackData &message_callback_data, SolveInterrupter *const local_interrupter)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00319">gurobi_callback.cc:319</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a668d06f7223ec6ee9864205f1287bc80"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">operations_research::math_opt::TerminateForLimit</a></div><div class="ttdeci">TerminationProto TerminateForLimit(const LimitProto limit, const bool feasible, const absl::string_view detail)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00079">math_opt_proto_utils.cc:79</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a80e158d48db32a3bbbe915179b36e405"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">operations_research::math_opt::MakeView</a></div><div class="ttdeci">SparseVectorView< T > MakeView(absl::Span< const int64_t > ids, const Collection &values)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00144">sparse_vector_view.h:144</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a90644d44a9987c14edfb1cd0d2605bc5"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a90644d44a9987c14edfb1cd0d2605bc5">operations_research::math_opt::EventToGurobiWhere</a></div><div class="ttdeci">std::vector< bool > EventToGurobiWhere(const absl::flat_hash_set< CallbackEventProto > &events)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8cc_source.html#l00310">gurobi_callback.cc:310</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a9d73bc1014f12f33dfaa51825ad668ee"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a9d73bc1014f12f33dfaa51825ad668ee">operations_research::math_opt::Callback</a></div><div class="ttdeci">std::function< CallbackResult(const CallbackData &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00089">callback.h:89</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_aaaafdf52dd4d552e04d416daeadbd81f"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">operations_research::math_opt::TerminateForReason</a></div><div class="ttdeci">TerminationProto TerminateForReason(const TerminationReasonProto reason, const absl::string_view detail)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00104">math_opt_proto_utils.cc:104</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_aad3360b1947c772bebf3d3cfb2105a15"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#aad3360b1947c772bebf3d3cfb2105a15">operations_research::math_opt::MessageCallback</a></div><div class="ttdeci">std::function< void(const std::vector< std::string > &)> MessageCallback</div><div class="ttdef"><b>Definition:</b> <a href="message__callback_8h_source.html#l00034">message_callback.h:34</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad9f50c9313b35cc1e8887057dc4d9645"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">operations_research::math_opt::kInf</a></div><div class="ttdeci">constexpr double kInf</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8cc_source.html#l00029">variable_and_expressions.cc:29</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_adaa2af72bbd2804f0f17907b66d974d6"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#adaa2af72bbd2804f0f17907b66d974d6">operations_research::math_opt::GRBenvUniquePtr</a></div><div class="ttdeci">std::unique_ptr< GRBenv, GurobiFreeEnv > GRBenvUniquePtr</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8h_source.html#l00067">g_gurobi.h:67</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_af457f60ebac293554106c3ee3898607e"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#af457f60ebac293554106c3ee3898607e">operations_research::math_opt::EventSet</a></div><div class="ttdeci">absl::flat_hash_set< CallbackEventProto > EventSet(const CallbackRegistrationProto &callback_registration)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8cc_source.html#l00067">math_opt_proto_utils.cc:67</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a760c8bbae2698a370004ceaaba9d9920"><div class="ttname"><a href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">operations_research::ProtoEnumToString</a></div><div class="ttdeci">std::string ProtoEnumToString(ProtoEnumType enum_value)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00047">port/proto_utils.h:47</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_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#l00031">environment.cc:31</a></div></div>
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<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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<div class="ttc" id="anamespaceutil__time_html_a801584734c5b3898f94cf932202b2eb7"><div class="ttname"><a href="namespaceutil__time.html#a801584734c5b3898f94cf932202b2eb7">util_time::DecodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< absl::Duration > DecodeGoogleApiProto(const google::protobuf::Duration &proto)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00042">protoutil.h:42</a></div></div>
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<div class="ttc" id="anamespaceutil__time_html_a9b705fc0063004954faa62e54450d4fc"><div class="ttname"><a href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< google::protobuf::Duration > EncodeGoogleApiProto(absl::Duration d)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00027">protoutil.h:27</a></div></div>
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<div class="ttc" id="anon__streamable__solver__init__arguments_8h_html"><div class="ttname"><a href="non__streamable__solver__init__arguments_8h.html">non_streamable_solver_init_arguments.h</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#l03997">routing_search.cc:3997</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#l00606">sat/lp_utils.cc:606</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#l00607">sat/lp_utils.cc:607</a></div></div>
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<div class="ttc" id="asolve__interrupter_8h_html"><div class="ttname"><a href="solve__interrupter_8h.html">solve_interrupter.h</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html"><div class="ttname"><a href="solver__interface_8h.html">solver_interface.h</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html_ad082a79cf1be23f55e3435fad5bf4949"><div class="ttname"><a href="solver__interface_8h.html#ad082a79cf1be23f55e3435fad5bf4949">MATH_OPT_REGISTER_SOLVER</a></div><div class="ttdeci">#define MATH_OPT_REGISTER_SOLVER(solver_type, solver_factory)</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00191">solver_interface.h:191</a></div></div>
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<div class="ttc" id="asparse__submatrix_8cc_html_a9b7656b922ea4ec96097d7380c0e61fe"><div class="ttname"><a href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a></div><div class="ttdeci">int64_t start</div><div class="ttdef"><b>Definition:</b> <a href="sparse__submatrix_8cc_source.html#l00035">sparse_submatrix.cc:35</a></div></div>
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<div class="ttc" id="asparse__vector__view_8h_html"><div class="ttname"><a href="sparse__vector__view_8h.html">sparse_vector_view.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_inverted_bounds_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_inverted_bounds.html">operations_research::math_opt::InvertedBounds</a></div><div class="ttdef"><b>Definition:</b> <a href="inverted__bounds_8h_source.html#l00032">inverted_bounds.h:32</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_inverted_bounds_html_a4f5f5e97803632d28f61eb65c64627b5"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_inverted_bounds.html#a4f5f5e97803632d28f61eb65c64627b5">operations_research::math_opt::InvertedBounds::ToStatus</a></div><div class="ttdeci">absl::Status ToStatus() const</div><div class="ttdef"><b>Definition:</b> <a href="inverted__bounds_8cc_source.html#l00028">inverted_bounds.cc:28</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args.html">operations_research::math_opt::SolverInterface::InitArgs</a></div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00062">solver_interface.h:62</a></div></div>
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<div class="ttc" id="atrace_8cc_html_a36bd74109f547f7f8198faf5a12d2879"><div class="ttname"><a href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a></div><div class="ttdeci">std::string message</div><div class="ttdef"><b>Definition:</b> <a href="trace_8cc_source.html#l00398">trace.cc:398</a></div></div>
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<div class="ttc" id="atrust__region_8cc_html_a69703b8569462134ad4e22ab0133e418"><div class="ttname"><a href="trust__region_8cc.html#a69703b8569462134ad4e22ab0133e418">objective_value</a></div><div class="ttdeci">double objective_value</div><div class="ttdef"><b>Definition:</b> <a href="trust__region_8cc_source.html#l00167">trust_region.cc:167</a></div></div>
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