1268 lines
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1268 lines
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<div class="headertitle"><div class="title">gscip_solver.cc</div></div>
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<a href="gscip__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="gscip__solver_8h.html">ortools/math_opt/solvers/gscip_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 <cstdint></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <optional></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "absl/strings/str_cat.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/strings/str_join.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/strings/string_view.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/time/clock.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/time/time.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/types/span.h"</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "<a class="code" href="cleanup_8h.html">ortools/base/cleanup.h</a>"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "<a class="code" href="protoutil_8h.html">ortools/base/protoutil.h</a>"</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="base_2status__macros_8h.html">ortools/base/status_macros.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="gscip_8h.html">ortools/gscip/gscip.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 "ortools/gscip/gscip.pb.h"</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="gscip__event__handler_8h.html">ortools/gscip/gscip_event_handler.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="gscip__parameters_8h.html">ortools/gscip/gscip_parameters.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 "ortools/math_opt/callback.pb.h"</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</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="l00049" name="l00049"></a><span class="lineno"> 49</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="l00050" name="l00050"></a><span class="lineno"> 50</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="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="preprocessor">#include "<a class="code" href="sparse__submatrix_8h.html">ortools/math_opt/core/sparse_submatrix.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="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="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="preprocessor">#include "ortools/math_opt/model.pb.h"</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_parameters.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_update.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/parameters.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/result.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/solution.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 "<a class="code" href="gscip__solver__callback_8h.html">ortools/math_opt/solvers/gscip_solver_callback.h</a>"</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#include "<a class="code" href="gscip__solver__message__callback__handler_8h.html">ortools/math_opt/solvers/gscip_solver_message_callback_handler.h</a>"</span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</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="callback__validator_8h.html">ortools/math_opt/validators/callback_validator.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 "<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="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="preprocessor">#include "scip/scip.h"</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="preprocessor">#include "scip/type_cons.h"</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor">#include "scip/type_event.h"</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="preprocessor">#include "scip/type_var.h"</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><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="l00070" name="l00070"></a><span class="lineno"> 70</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="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="keyword">constexpr</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> = std::numeric_limits<double>::infinity();</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>int64_t SafeId(<span class="keyword">const</span> VariablesProto& variables, <span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">if</span> (variables.ids().empty()) {</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> }</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">return</span> variables.ids(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>}</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="keyword">const</span> std::string& EmptyString() {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">static</span> <span class="keyword">const</span> std::string* <span class="keyword">const</span> empty_string = <span class="keyword">new</span> std::string;</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> *empty_string;</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>}</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="keyword">const</span> std::string& SafeName(<span class="keyword">const</span> VariablesProto& variables, <span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (variables.names().empty()) {</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> EmptyString();</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> <span class="keywordflow">return</span> variables.names(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</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> </div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>int64_t SafeId(<span class="keyword">const</span> LinearConstraintsProto& linear_constraints, <span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (linear_constraints.ids().empty()) {</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> }</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> linear_constraints.ids(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span>}</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="keyword">const</span> std::string& SafeName(<span class="keyword">const</span> LinearConstraintsProto& linear_constraints,</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">if</span> (linear_constraints.names().empty()) {</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">return</span> EmptyString();</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> <span class="keywordflow">return</span> linear_constraints.names(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</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> </div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span>absl::flat_hash_map<int64_t, double> SparseDoubleVectorAsMap(</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">const</span> SparseDoubleVectorProto& vector) {</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(vector.ids_size(), vector.values_size());</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> absl::flat_hash_map<int64_t, double> result;</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> result.reserve(vector.ids_size());</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < vector.ids_size(); ++i) {</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> result[vector.ids(i)] = vector.values(i);</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>}</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="comment">// Viewing matrix as a list of (row, column, value) tuples stored in row major</span></div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="comment">// order, does a linear scan from index scan_start to find the index of the</span></div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="comment">// first entry with row >= row_id. Returns the size the tuple list if there is</span></div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="comment">// no such entry.</span></div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="keyword">inline</span> <span class="keywordtype">int</span> FindRowStart(<span class="keyword">const</span> SparseDoubleMatrixProto& matrix,</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">const</span> int64_t row_id, <span class="keyword">const</span> <span class="keywordtype">int</span> scan_start) {</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordtype">int</span> result = scan_start;</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">while</span> (result < matrix.row_ids_size() && matrix.row_ids(result) < row_id) {</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> ++result;</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span>}</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="keyword">struct </span>LinearConstraintView {</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"><a class="line" href="gscip__solver_8cc.html#a1b69e9b6927ad6890c586977105d79f5"> 135</a></span> int64_t <a class="code hl_variable" href="gscip__solver_8cc.html#a1b69e9b6927ad6890c586977105d79f5">linear_constraint_id</a>;</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec"> 136</a></span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>;</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"><a class="line" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35"> 137</a></span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>;</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="gscip__solver_8cc.html#a82e2a7e0f28d620da677073b6b24574b"> 138</a></span> absl::string_view <a class="code hl_variable" href="gscip__solver_8cc.html#a82e2a7e0f28d620da677073b6b24574b">name</a>;</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a"> 139</a></span> absl::Span<const int64_t> <a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>;</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2"> 140</a></span> absl::Span<const double> <a class="code hl_variable" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a>;</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span>};</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="comment">// Iterates over the constraints from a LinearConstraints, outputting a</span></div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="comment">// LinearConstraintView for each constraint. Requires a SparseDoubleMatrixProto</span></div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="comment">// which may have data from additional constraints not in LinearConstraints.</span></div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="comment">//</span></div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="comment">// The running time to iterate through and read each element once is</span></div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="comment">// O(Size(*linear_constraints) + Size(*linear_constraint_matrix)).</span></div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="keyword">class </span>LinearConstraintIterator {</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> LinearConstraintIterator(</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">const</span> LinearConstraintsProto* linear_constraints,</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">const</span> SparseDoubleMatrixProto* linear_constraint_matrix)</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> : linear_constraints_(<a class="code hl_define" href="base_2logging_8h.html#aeef651f886eb5252c08835194213efe2">ABSL_DIE_IF_NULL</a>(linear_constraints)),</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> linear_constraint_matrix_(<a class="code hl_define" href="base_2logging_8h.html#aeef651f886eb5252c08835194213efe2">ABSL_DIE_IF_NULL</a>(linear_constraint_matrix)) {</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a98600a28f0f805ae0cbe04802b0dcbc4">NumConstraints</a>(*linear_constraints_) > 0) {</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">const</span> int64_t first_constraint = SafeId(*linear_constraints_, 0);</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> matrix_start_ =</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> FindRowStart(*linear_constraint_matrix_, first_constraint, 0);</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> matrix_end_ = FindRowStart(*linear_constraint_matrix_,</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> first_constraint + 1, matrix_start_);</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> matrix_start_ = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a1c3bab427ac8280d7b32019b88ec59b4">NumMatrixNonzeros</a>(*linear_constraint_matrix_);</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> matrix_end_ = matrix_start_;</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordtype">bool</span> IsDone()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">return</span> current_con_ >= <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a98600a28f0f805ae0cbe04802b0dcbc4">NumConstraints</a>(*linear_constraints_);</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> </div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// Call only if !IsDone(). Runs in O(1).</span></div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> LinearConstraintView Current()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!IsDone());</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> LinearConstraintView result;</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> result.lower_bound = linear_constraints_->lower_bounds(current_con_);</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> result.upper_bound = linear_constraints_->upper_bounds(current_con_);</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> result.name = SafeName(*linear_constraints_, current_con_);</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> result.linear_constraint_id = SafeId(*linear_constraints_, current_con_);</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">const</span> <span class="keyword">auto</span> vars_begin = linear_constraint_matrix_->column_ids().data();</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> result.variable_ids = absl::MakeConstSpan(vars_begin + matrix_start_,</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> vars_begin + matrix_end_);</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">const</span> <span class="keyword">auto</span> coefficients_begins =</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> linear_constraint_matrix_->coefficients().data();</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> result.coefficients = absl::MakeConstSpan(</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> coefficients_begins + matrix_start_, coefficients_begins + matrix_end_);</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// Call only if !IsDone().</span></div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordtype">void</span> Next() {</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!IsDone());</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> ++current_con_;</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">if</span> (IsDone()) {</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> matrix_start_ = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a1c3bab427ac8280d7b32019b88ec59b4">NumMatrixNonzeros</a>(*linear_constraint_matrix_);</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> matrix_end_ = matrix_start_;</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">return</span>;</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> <span class="keyword">const</span> int64_t current_row_id = SafeId(*linear_constraints_, current_con_);</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> matrix_start_ =</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> FindRowStart(*linear_constraint_matrix_, current_row_id, matrix_end_);</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> matrix_end_ = FindRowStart(*linear_constraint_matrix_, current_row_id + 1,</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> matrix_start_);</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="keyword">private</span>:</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// NOT OWNED</span></div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">const</span> LinearConstraintsProto* <span class="keyword">const</span> linear_constraints_;</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="comment">// NOT OWNED</span></div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">const</span> SparseDoubleMatrixProto* <span class="keyword">const</span> linear_constraint_matrix_;</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// An index into linear_constraints_, the constraint currently being viewed,</span></div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// or Size(linear_constraints_) when IsDone().</span></div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordtype">int</span> current_con_ = 0;</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// Informal: the interval [matrix_start_, matrix_end_) gives the indices in</span></div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// linear_constraint_matrix_ for linear_constraints_[current_con_]</span></div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// Invariant: if !IsDone():</span></div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// * matrix_start_: the first index in linear_constraint_matrix_ with row id</span></div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="comment">// >= RowId(linear_constraints_[current_con_])</span></div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="comment">// * matrix_end_: the first index in linear_constraint_matrix_ with row id</span></div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// >= RowId(linear_constraints_[current_con_]) + 1</span></div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// Implementation note: matrix_start_ and matrix_end_ equal</span></div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// Size(linear_constraint_matrix_) when IsDone().</span></div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordtype">int</span> matrix_start_ = 0;</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordtype">int</span> matrix_end_ = 0;</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span>};</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="keyword">inline</span> <a class="code hl_enumeration" href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9">GScipVarType</a> GScipVarTypeFromIsInteger(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_integer) {</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">return</span> is_integer ? <a class="code hl_enumvalue" href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9ab7400e777db61f5f726caeeab0a7dcc2">GScipVarType::kInteger</a> : <a class="code hl_enumvalue" href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9a0445605283282f17470ec2fa998a78c8">GScipVarType::kContinuous</a>;</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span>}</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="comment">// Used to delay the evaluation of a costly computation until the first time it</span></div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span><span class="comment">// is actually needed.</span></div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="comment">//</span></div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="comment">// The typical use is when we have two independent branches that need the same</span></div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><span class="comment">// data but we don't want to compute these data if we don't enter any of those</span></div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span><span class="comment">// branches.</span></div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="comment">//</span></div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span><span class="comment">// Usage:</span></div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="comment">// LazyInitialized<Xxx> xxx([&]() {</span></div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span><span class="comment">// return Xxx(...);</span></div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span><span class="comment">// });</span></div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span><span class="comment">//</span></div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span><span class="comment">// if (predicate_1) {</span></div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span><span class="comment">// ...</span></div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span><span class="comment">// f(xxx.GetOrCreate());</span></div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span><span class="comment">// ...</span></div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span><span class="comment">// }</span></div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span><span class="comment">// if (predicate_2) {</span></div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span><span class="comment">// ...</span></div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span><span class="comment">// f(xxx.GetOrCreate());</span></div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span><span class="comment">// ...</span></div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span><span class="comment">// }</span></div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span><span class="keyword">class </span>LazyInitialized {</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="comment">// Checks that the input initializer is not nullptr.</span></div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keyword">explicit</span> LazyInitialized(std::function<T()> initializer)</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> : initializer_(<a class="code hl_define" href="base_2logging_8h.html#aeef651f886eb5252c08835194213efe2">ABSL_DIE_IF_NULL</a>(initializer)) {}</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> </div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="comment">// Returns the value returned by initializer(), calling it the first time.</span></div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keyword">const</span> T& GetOrCreate() {</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">if</span> (!value_) {</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> value_ = initializer_();</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> }</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">return</span> *value_;</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> }</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keyword">const</span> std::function<T()> initializer_;</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> std::optional<T> value_;</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span>};</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span>SparseDoubleVectorProto <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">FillSparseDoubleVector</a>(</div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keyword">const</span> std::vector<int64_t>& ids_in_order,</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, T>& id_map,</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">const</span> absl::flat_hash_map<T, double>& value_map,</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">const</span> SparseVectorFilterProto& filter) {</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> SparseVectorFilterPredicate predicate(filter);</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> SparseDoubleVectorProto result;</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t variable_id : ids_in_order) {</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = value_map.at(id_map.at(variable_id));</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">if</span> (predicate.AcceptsAndUpdate(variable_id, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> result.add_ids(variable_id);</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</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="l00291" name="l00291"></a><span class="lineno"> 291</span> }</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> }</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span>}</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span>absl::Status GScipSolver::AddVariables(</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">const</span> VariablesProto& variables,</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, double>& linear_objective_coefficients) {</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a3055f8b845cde39af2c3bed9007d4a06">NumVariables</a>(variables); ++i) {</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">const</span> int64_t <span class="keywordtype">id</span> = SafeId(variables, i);</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// SCIP is failing with an assert in SCIPcreateVar() when input bounds are</span></div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="comment">// inverted. That said, it is not an issue if the bounds are created</span></div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="comment">// non-inverted and later changed. Thus here we use this hack to bypass the</span></div>
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|
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="comment">// assertion in this corner case.</span></div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> inverted_bounds =</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> variables.lower_bounds(i) > variables.upper_bounds(i);</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</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="l00310" name="l00310"></a><span class="lineno"> 310</span> SCIP_VAR* <span class="keyword">const</span> v,</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> gscip_->AddVariable(</div>
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|
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> variables.lower_bounds(i),</div>
|
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> inverted_bounds ? variables.lower_bounds(i)</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> : variables.upper_bounds(i),</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <a class="code hl_function" href="namespacegtl.html#a795ebdb62731938c8c31b221f0f074b4">gtl::FindWithDefault</a>(linear_objective_coefficients, <span class="keywordtype">id</span>),</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> GScipVarTypeFromIsInteger(variables.integers(i)),</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> SafeName(variables, i)));</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">if</span> (inverted_bounds) {</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetUb(v, variables.upper_bounds(i)));</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> }</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <a class="code hl_function" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&variables_, <span class="keywordtype">id</span>, v);</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span>}</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> </div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span>absl::Status GScipSolver::UpdateVariables(</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keyword">const</span> VariableUpdatesProto& variable_updates) {</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, lb] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(variable_updates.lower_bounds())) {</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetLb(variables_.at(<span class="keywordtype">id</span>), lb));</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> }</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, ub] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(variable_updates.upper_bounds())) {</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetUb(variables_.at(<span class="keywordtype">id</span>), ub));</div>
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|
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> }</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, is_integer] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(variable_updates.integers())) {</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetVarType(variables_.at(<span class="keywordtype">id</span>),</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> GScipVarTypeFromIsInteger(is_integer)));</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<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> </div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span>absl::Status GScipSolver::AddLinearConstraints(</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">const</span> LinearConstraintsProto& linear_constraints,</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keyword">const</span> SparseDoubleMatrixProto& linear_constraint_matrix) {</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">for</span> (LinearConstraintIterator lin_con_it(&linear_constraints,</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> &linear_constraint_matrix);</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> !lin_con_it.IsDone(); lin_con_it.Next()) {</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keyword">const</span> LinearConstraintView current = lin_con_it.Current();</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> </div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> GScipLinearRange range;</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> range.lower_bound = current.lower_bound;</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> range.upper_bound = current.upper_bound;</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> range.coefficients = std::vector<double>(current.coefficients.begin(),</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> current.coefficients.end());</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> range.variables.reserve(current.variable_ids.size());</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t var_id : current.variable_ids) {</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> range.variables.push_back(variables_.at(var_id));</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> <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="l00359" name="l00359"></a><span class="lineno"> 359</span> SCIP_CONS* <span class="keyword">const</span> scip_con,</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> gscip_->AddLinearConstraint(range, std::string(current.name)));</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <a class="code hl_function" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&linear_constraints_, current.linear_constraint_id,</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> scip_con);</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> }</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span>}</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> </div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span>absl::Status GScipSolver::UpdateLinearConstraints(</div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">const</span> LinearConstraintUpdatesProto linear_constraint_updates,</div>
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|
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keyword">const</span> SparseDoubleMatrixProto& linear_constraint_matrix,</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keyword">const</span> std::optional<int64_t> first_new_var_id,</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keyword">const</span> std::optional<int64_t> first_new_cstr_id) {</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, lb] :</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(linear_constraint_updates.lower_bounds())) {</div>
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|
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</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="l00375" name="l00375"></a><span class="lineno"> 375</span> gscip_->SetLinearConstraintLb(linear_constraints_.at(<span class="keywordtype">id</span>), lb));</div>
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|
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> }</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, ub] :</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(linear_constraint_updates.upper_bounds())) {</div>
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|
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</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="l00380" name="l00380"></a><span class="lineno"> 380</span> gscip_->SetLinearConstraintUb(linear_constraints_.at(<span class="keywordtype">id</span>), ub));</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> }</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [lin_con_id, var_coeffs] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a73f32c619b1fc9c62bcd6c6b9123bb61">SparseSubmatrixByRows</a>(</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> linear_constraint_matrix, <span class="comment">/*start_row_id=*/</span>0,</div>
|
|
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="comment">/*end_row_id=*/</span>first_new_cstr_id, <span class="comment">/*start_col_id=*/</span>0,</div>
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|
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="comment">/*end_col_id=*/</span>first_new_var_id)) {</div>
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|
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [var_id, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : var_coeffs) {</div>
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|
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetLinearConstraintCoef(</div>
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|
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> linear_constraints_.at(lin_con_id), variables_.at(var_id), <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> }</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> }</div>
|
|
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">return</span> absl::OkStatus();</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> </div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#ac3d13b218c171134584f85dc301bcb67"> 394</a></span>GScipParameters::MetaParamValue <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ac3d13b218c171134584f85dc301bcb67">ConvertMathOptEmphasis</a>(EmphasisProto emphasis) {</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keywordflow">switch</span> (emphasis) {</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="keywordflow">return</span> GScipParameters::OFF;</div>
|
|
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keywordflow">return</span> GScipParameters::FAST;</div>
|
|
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="keywordflow">case</span> EMPHASIS_UNSPECIFIED:</div>
|
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="keywordflow">return</span> GScipParameters::DEFAULT_META_PARAM_VALUE;</div>
|
|
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">return</span> GScipParameters::AGGRESSIVE;</div>
|
|
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">default</span>:</div>
|
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</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">"Unsupported MathOpt Emphasis value: "</span></div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(emphasis)</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> << <span class="stringliteral">" unknown, error setting gSCIP parameters"</span>;</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> }</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span>}</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> </div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a97470e4fa956b2722e897e7199fb00f3"> 413</a></span>absl::StatusOr<GScipParameters> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a97470e4fa956b2722e897e7199fb00f3">GScipSolver::MergeParameters</a>(</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="keyword">const</span> SolveParametersProto& solve_parameters) {</div>
|
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// First build the result by translating common parameters to a</span></div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="comment">// GScipParameters, and then merging with user provided gscip_parameters.</span></div>
|
|
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="comment">// This results in user provided solver specific parameters overwriting</span></div>
|
|
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="comment">// common parameters should there be any conflict.</span></div>
|
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> GScipParameters result;</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> std::vector<std::string> warnings;</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> </div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="comment">// By default SCIP catches Ctrl-C but we don't want this behavior when the</span></div>
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|
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="comment">// users uses SCIP through MathOpt.</span></div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <a class="code hl_function" href="namespaceoperations__research.html#a14c54b4add43bf2d102ca8580690c69b">GScipSetCatchCtrlC</a>(<span class="keyword">false</span>, &result);</div>
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|
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> </div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="keywordflow">if</span> (solve_parameters.has_time_limit()) {</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <a class="code hl_function" href="namespaceoperations__research.html#a35973d7e6ca206694a6d31a5d81d3726">GScipSetTimeLimit</a>(</div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</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="l00429" name="l00429"></a><span class="lineno"> 429</span> &result);</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> }</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> </div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">if</span> (solve_parameters.has_threads()) {</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <a class="code hl_function" href="namespaceoperations__research.html#a9d54b1bb892f63abf51051c7b4228041">GScipSetMaxNumThreads</a>(solve_parameters.threads(), &result);</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> }</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keywordflow">if</span> (solve_parameters.has_relative_gap_tolerance()) {</div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> (*result.mutable_real_params())[<span class="stringliteral">"limits/gap"</span>] =</div>
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|
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> solve_parameters.relative_gap_tolerance();</div>
|
|
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> }</div>
|
|
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div>
|
|
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keywordflow">if</span> (solve_parameters.has_absolute_gap_tolerance()) {</div>
|
|
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> (*result.mutable_real_params())[<span class="stringliteral">"limits/absgap"</span>] =</div>
|
|
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> solve_parameters.absolute_gap_tolerance();</div>
|
|
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> }</div>
|
|
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="keywordflow">if</span> (solve_parameters.has_node_limit()) {</div>
|
|
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> (*result.mutable_long_params())[<span class="stringliteral">"limits/totalnodes"</span>] =</div>
|
|
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> solve_parameters.node_limit();</div>
|
|
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> }</div>
|
|
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> </div>
|
|
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="keywordflow">if</span> (solve_parameters.has_objective_limit()) {</div>
|
|
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> warnings.push_back(<span class="stringliteral">"parameter objective_limit not supported for gSCIP."</span>);</div>
|
|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> }</div>
|
|
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="keywordflow">if</span> (solve_parameters.has_best_bound_limit()) {</div>
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|
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> warnings.push_back(<span class="stringliteral">"parameter best_bound_limit not supported for gSCIP."</span>);</div>
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|
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> }</div>
|
|
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> </div>
|
|
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keywordflow">if</span> (solve_parameters.has_cutoff_limit()) {</div>
|
|
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> result.set_objective_limit(solve_parameters.cutoff_limit());</div>
|
|
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> }</div>
|
|
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> </div>
|
|
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="keywordflow">if</span> (solve_parameters.has_solution_limit()) {</div>
|
|
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> (*result.mutable_int_params())[<span class="stringliteral">"limits/solutions"</span>] =</div>
|
|
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> solve_parameters.solution_limit();</div>
|
|
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> }</div>
|
|
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> </div>
|
|
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="comment">// GScip has also GScipSetOutputEnabled() but this changes the log</span></div>
|
|
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="comment">// level. Setting `silence_output` sets the `quiet` field on the default</span></div>
|
|
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">// message handler of SCIP which removes the output. Here it is important to</span></div>
|
|
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="comment">// use this rather than changing the log level so that if the user registers</span></div>
|
|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="comment">// for CALLBACK_EVENT_MESSAGE they do get some messages even when</span></div>
|
|
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="comment">// `enable_output` is false.</span></div>
|
|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> result.set_silence_output(!solve_parameters.enable_output());</div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> </div>
|
|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keywordflow">if</span> (solve_parameters.has_random_seed()) {</div>
|
|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <a class="code hl_function" href="namespaceoperations__research.html#a6c8817646c7d4431dd9327a3b0b5c8c9">GScipSetRandomSeed</a>(&result, solve_parameters.random_seed());</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> }</div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> </div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keywordflow">if</span> (solve_parameters.lp_algorithm() != LP_ALGORITHM_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordtype">char</span> alg;</div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="keywordflow">switch</span> (solve_parameters.lp_algorithm()) {</div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="keywordflow">case</span> LP_ALGORITHM_PRIMAL_SIMPLEX:</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> alg = <span class="charliteral">'p'</span>;</div>
|
|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keywordflow">case</span> LP_ALGORITHM_DUAL_SIMPLEX:</div>
|
|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> alg = <span class="charliteral">'d'</span>;</div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keywordflow">case</span> LP_ALGORITHM_BARRIER:</div>
|
|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> alg = <span class="charliteral">'c'</span>;</div>
|
|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</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="l00492" name="l00492"></a><span class="lineno"> 492</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(solve_parameters.lp_algorithm())</div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> << <span class="stringliteral">" unknown, error setting gSCIP parameters"</span>;</div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> }</div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> (*result.mutable_char_params())[<span class="stringliteral">"lp/initalgorithm"</span>] = alg;</div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> }</div>
|
|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> </div>
|
|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="keywordflow">if</span> (solve_parameters.cuts() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> result.set_separating(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ac3d13b218c171134584f85dc301bcb67">ConvertMathOptEmphasis</a>(solve_parameters.cuts()));</div>
|
|
<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> <span class="keywordflow">if</span> (solve_parameters.heuristics() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> result.set_heuristics(</div>
|
|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ac3d13b218c171134584f85dc301bcb67">ConvertMathOptEmphasis</a>(solve_parameters.heuristics()));</div>
|
|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> }</div>
|
|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="keywordflow">if</span> (solve_parameters.presolve() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> result.set_presolve(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ac3d13b218c171134584f85dc301bcb67">ConvertMathOptEmphasis</a>(solve_parameters.presolve()));</div>
|
|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> }</div>
|
|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="keywordflow">if</span> (solve_parameters.scaling() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="keywordtype">int</span> scaling_value;</div>
|
|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="keywordflow">switch</span> (solve_parameters.scaling()) {</div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> scaling_value = 0;</div>
|
|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> scaling_value = 1;</div>
|
|
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> scaling_value = 2;</div>
|
|
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</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="l00524" name="l00524"></a><span class="lineno"> 524</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(solve_parameters.scaling())</div>
|
|
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> << <span class="stringliteral">" unknown, error setting gSCIP parameters"</span>;</div>
|
|
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> }</div>
|
|
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> (*result.mutable_int_params())[<span class="stringliteral">"lp/scaling"</span>] = scaling_value;</div>
|
|
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> }</div>
|
|
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> </div>
|
|
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> result.MergeFrom(solve_parameters.gscip());</div>
|
|
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> </div>
|
|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <span class="keywordflow">if</span> (!warnings.empty()) {</div>
|
|
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrJoin(warnings, <span class="stringliteral">"; "</span>));</div>
|
|
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> }</div>
|
|
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span>}</div>
|
|
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> </div>
|
|
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span><span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> </div>
|
|
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span>std::string JoinDetails(<span class="keyword">const</span> std::string& gscip_detail,</div>
|
|
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="keyword">const</span> std::string& math_opt_detail) {</div>
|
|
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <span class="keywordflow">if</span> (gscip_detail.empty()) {</div>
|
|
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="keywordflow">return</span> math_opt_detail;</div>
|
|
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> }</div>
|
|
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keywordflow">if</span> (math_opt_detail.empty()) {</div>
|
|
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keywordflow">return</span> gscip_detail;</div>
|
|
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> }</div>
|
|
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keywordflow">return</span> absl::StrCat(gscip_detail, <span class="stringliteral">"; "</span>, math_opt_detail);</div>
|
|
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span>}</div>
|
|
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> </div>
|
|
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span>ProblemStatusProto GetProblemStatusProto(<span class="keyword">const</span> GScipOutput::Status gscip_status,</div>
|
|
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> has_feasible_solution,</div>
|
|
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> has_finite_dual_bound,</div>
|
|
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> was_cutoff) {</div>
|
|
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> ProblemStatusProto problem_status;</div>
|
|
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keywordflow">if</span> (has_feasible_solution) {</div>
|
|
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> problem_status.set_primal_status(FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> problem_status.set_primal_status(FEASIBILITY_STATUS_UNDETERMINED);</div>
|
|
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> }</div>
|
|
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> problem_status.set_dual_status(FEASIBILITY_STATUS_UNDETERMINED);</div>
|
|
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> </div>
|
|
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keywordflow">switch</span> (gscip_status) {</div>
|
|
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="keywordflow">case</span> GScipOutput::OPTIMAL:</div>
|
|
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> problem_status.set_dual_status(FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="keywordflow">case</span> GScipOutput::INFEASIBLE:</div>
|
|
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="keywordflow">if</span> (!was_cutoff) {</div>
|
|
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> problem_status.set_primal_status(FEASIBILITY_STATUS_INFEASIBLE);</div>
|
|
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> }</div>
|
|
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keywordflow">case</span> GScipOutput::UNBOUNDED:</div>
|
|
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> problem_status.set_dual_status(FEASIBILITY_STATUS_INFEASIBLE);</div>
|
|
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="keywordflow">case</span> GScipOutput::INF_OR_UNBD:</div>
|
|
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> problem_status.set_primal_or_dual_infeasible(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> }</div>
|
|
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keywordflow">if</span> (has_finite_dual_bound) {</div>
|
|
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> problem_status.set_dual_status(FEASIBILITY_STATUS_FEASIBLE);</div>
|
|
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> }</div>
|
|
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordflow">return</span> problem_status;</div>
|
|
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span>}</div>
|
|
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> </div>
|
|
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span>absl::StatusOr<TerminationProto> ConvertTerminationReason(</div>
|
|
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keyword">const</span> GScipOutput::Status gscip_status,</div>
|
|
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keyword">const</span> std::string& gscip_status_detail, <span class="keyword">const</span> <span class="keywordtype">bool</span> has_feasible_solution,</div>
|
|
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> had_cutoff) {</div>
|
|
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="keywordflow">switch</span> (gscip_status) {</div>
|
|
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="keywordflow">case</span> GScipOutput::USER_INTERRUPT:</div>
|
|
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</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="l00594" name="l00594"></a><span class="lineno"> 594</span> LIMIT_INTERRUPTED, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <span class="stringliteral">"underlying gSCIP status: USER_INTERRUPT"</span>));</div>
|
|
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <span class="keywordflow">case</span> GScipOutput::NODE_LIMIT:</div>
|
|
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</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="l00599" name="l00599"></a><span class="lineno"> 599</span> LIMIT_NODE, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="stringliteral">"underlying gSCIP status: NODE_LIMIT"</span>));</div>
|
|
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> <span class="keywordflow">case</span> GScipOutput::TOTAL_NODE_LIMIT:</div>
|
|
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</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="l00604" name="l00604"></a><span class="lineno"> 604</span> LIMIT_NODE, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> <span class="stringliteral">"underlying gSCIP status: TOTAL_NODE_LIMIT"</span>));</div>
|
|
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> <span class="keywordflow">case</span> GScipOutput::STALL_NODE_LIMIT:</div>
|
|
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(LIMIT_SLOW_PROGRESS,</div>
|
|
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> gscip_status_detail);</div>
|
|
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="keywordflow">case</span> GScipOutput::TIME_LIMIT:</div>
|
|
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(LIMIT_TIME, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> gscip_status_detail);</div>
|
|
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keywordflow">case</span> GScipOutput::MEM_LIMIT:</div>
|
|
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a668d06f7223ec6ee9864205f1287bc80">TerminateForLimit</a>(LIMIT_MEMORY, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> gscip_status_detail);</div>
|
|
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">case</span> GScipOutput::SOL_LIMIT:</div>
|
|
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</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="l00619" name="l00619"></a><span class="lineno"> 619</span> LIMIT_SOLUTION, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <span class="stringliteral">"underlying gSCIP status: SOL_LIMIT"</span>));</div>
|
|
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <span class="keywordflow">case</span> GScipOutput::BEST_SOL_LIMIT:</div>
|
|
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</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="l00624" name="l00624"></a><span class="lineno"> 624</span> LIMIT_SOLUTION, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <span class="stringliteral">"underlying gSCIP status: BEST_SOL_LIMIT"</span>));</div>
|
|
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="keywordflow">case</span> GScipOutput::RESTART_LIMIT:</div>
|
|
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</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="l00629" name="l00629"></a><span class="lineno"> 629</span> LIMIT_OTHER, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="stringliteral">"underlying gSCIP status: RESTART_LIMIT"</span>));</div>
|
|
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="keywordflow">case</span> GScipOutput::OPTIMAL:</div>
|
|
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(</div>
|
|
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> TERMINATION_REASON_OPTIMAL,</div>
|
|
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> JoinDetails(gscip_status_detail, <span class="stringliteral">"underlying gSCIP status: OPTIMAL"</span>));</div>
|
|
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="keywordflow">case</span> GScipOutput::GAP_LIMIT:</div>
|
|
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(</div>
|
|
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> TERMINATION_REASON_OPTIMAL,</div>
|
|
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="stringliteral">"underlying gSCIP status: GAP_LIMIT"</span>));</div>
|
|
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="keywordflow">case</span> GScipOutput::INFEASIBLE:</div>
|
|
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keywordflow">if</span> (had_cutoff) {</div>
|
|
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</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="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="comment">/*feasible=*/</span><span class="keyword">false</span>, gscip_status_detail);</div>
|
|
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</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="l00647" name="l00647"></a><span class="lineno"> 647</span> gscip_status_detail);</div>
|
|
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> }</div>
|
|
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordflow">case</span> GScipOutput::UNBOUNDED: {</div>
|
|
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> <span class="keywordflow">if</span> (has_feasible_solution) {</div>
|
|
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(</div>
|
|
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> TERMINATION_REASON_UNBOUNDED,</div>
|
|
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> <span class="stringliteral">"underlying gSCIP status was UNBOUNDED, both primal "</span></div>
|
|
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="stringliteral">"ray and feasible solution are present"</span>));</div>
|
|
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(</div>
|
|
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> TERMINATION_REASON_INFEASIBLE_OR_UNBOUNDED,</div>
|
|
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> JoinDetails(</div>
|
|
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> gscip_status_detail,</div>
|
|
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> <span class="stringliteral">"underlying gSCIP status was UNBOUNDED, but only primal ray "</span></div>
|
|
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="stringliteral">"was given, no feasible solution was found"</span>));</div>
|
|
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> }</div>
|
|
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> }</div>
|
|
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> </div>
|
|
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <span class="keywordflow">case</span> GScipOutput::INF_OR_UNBD:</div>
|
|
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aaaafdf52dd4d552e04d416daeadbd81f">TerminateForReason</a>(</div>
|
|
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> TERMINATION_REASON_INFEASIBLE_OR_UNBOUNDED,</div>
|
|
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="stringliteral">"underlying gSCIP status: INF_OR_UNBD"</span>));</div>
|
|
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> </div>
|
|
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> <span class="keywordflow">case</span> GScipOutput::TERMINATE:</div>
|
|
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</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="l00674" name="l00674"></a><span class="lineno"> 674</span> LIMIT_INTERRUPTED, <span class="comment">/*feasible=*/</span>has_feasible_solution,</div>
|
|
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> JoinDetails(gscip_status_detail,</div>
|
|
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="stringliteral">"underlying gSCIP status: TERMINATE"</span>));</div>
|
|
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="keywordflow">case</span> GScipOutput::INVALID_SOLVER_PARAMETERS:</div>
|
|
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(gscip_status_detail);</div>
|
|
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="keywordflow">case</span> GScipOutput::UNKNOWN:</div>
|
|
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="keywordflow">return</span> absl::InternalError(JoinDetails(</div>
|
|
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> gscip_status_detail, <span class="stringliteral">"Unexpected GScipOutput.status: UNKNOWN"</span>));</div>
|
|
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="keywordflow">return</span> absl::InternalError(JoinDetails(</div>
|
|
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> gscip_status_detail, absl::StrCat(<span class="stringliteral">"Missing GScipOutput.status case: "</span>,</div>
|
|
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(gscip_status))));</div>
|
|
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> }</div>
|
|
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span>}</div>
|
|
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> </div>
|
|
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span>} <span class="comment">// namespace</span></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>absl::StatusOr<SolveResultProto> GScipSolver::CreateSolveResultProto(</div>
|
|
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> GScipResult gscip_result, <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
|
|
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="keyword">const</span> std::optional<double> cutoff) {</div>
|
|
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> SolveResultProto solve_result;</div>
|
|
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize = gscip_->ObjectiveIsMaximize();</div>
|
|
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="comment">// When an objective limit is set, SCIP returns the solutions worse than the</span></div>
|
|
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="comment">// limit, we need to filter these out manually.</span></div>
|
|
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <span class="keyword">const</span> <span class="keyword">auto</span> meets_cutoff = [cutoff, is_maximize](<span class="keyword">const</span> <span class="keywordtype">double</span> obj_value) {</div>
|
|
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="keywordflow">if</span> (!cutoff.has_value()) {</div>
|
|
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> }</div>
|
|
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> <span class="keywordflow">if</span> (is_maximize) {</div>
|
|
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> <span class="keywordflow">return</span> obj_value >= *cutoff;</div>
|
|
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keywordflow">return</span> obj_value <= *cutoff;</div>
|
|
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> }</div>
|
|
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> };</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> LazyInitialized<std::vector<int64_t>> sorted_variables([&]() {</div>
|
|
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> std::vector<int64_t> sorted;</div>
|
|
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> sorted.reserve(variables_.size());</div>
|
|
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> for (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : variables_) {</div>
|
|
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> sorted.emplace_back(entry.first);</div>
|
|
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> }</div>
|
|
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> std::sort(sorted.begin(), sorted.end());</div>
|
|
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> <span class="keywordflow">return</span> sorted;</div>
|
|
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> });</div>
|
|
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(gscip_result.solutions.size(), gscip_result.objective_values.size());</div>
|
|
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < gscip_result.solutions.size(); ++i) {</div>
|
|
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="comment">// GScip ensures the solutions are returned best objective first.</span></div>
|
|
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> <span class="keywordflow">if</span> (!meets_cutoff(gscip_result.objective_values[i])) {</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> }</div>
|
|
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> SolutionProto* <span class="keyword">const</span> solution = solve_result.add_solutions();</div>
|
|
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> PrimalSolutionProto* <span class="keyword">const</span> primal_solution =</div>
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<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> solution->mutable_primal_solution();</div>
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<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> primal_solution->set_objective_value(gscip_result.objective_values[i]);</div>
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<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> primal_solution->set_feasibility_status(SOLUTION_STATUS_FEASIBLE);</div>
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<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> *primal_solution->mutable_variable_values() = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">FillSparseDoubleVector</a>(</div>
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<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> sorted_variables.GetOrCreate(), variables_, gscip_result.solutions[i],</div>
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<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> model_parameters.variable_values_filter());</div>
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<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> }</div>
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<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> <span class="keywordflow">if</span> (!gscip_result.primal_ray.empty()) {</div>
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<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> *solve_result.add_primal_rays()->mutable_variable_values() =</div>
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<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">FillSparseDoubleVector</a>(sorted_variables.GetOrCreate(), variables_,</div>
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<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> gscip_result.primal_ray,</div>
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<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> model_parameters.variable_values_filter());</div>
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<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> }</div>
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<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> has_feasible_solution = solve_result.solutions_size() > 0;</div>
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<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</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="l00741" name="l00741"></a><span class="lineno"> 741</span> *solve_result.mutable_termination(),</div>
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<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> ConvertTerminationReason(gscip_result.gscip_output.status(),</div>
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<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> gscip_result.gscip_output.status_detail(),</div>
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<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> <span class="comment">/*has_feasible_solution=*/</span>has_feasible_solution,</div>
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<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> <span class="comment">/*had_cutoff=*/</span>cutoff.has_value()));</div>
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<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> *solve_result.mutable_solve_stats()->mutable_problem_status() =</div>
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<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> GetProblemStatusProto(</div>
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|
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> gscip_result.gscip_output.status(),</div>
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|
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> <span class="comment">/*has_feasible_solution=*/</span>has_feasible_solution,</div>
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<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> <span class="comment">/*has_finite_dual_bound=*/</span></div>
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<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> std::isfinite(gscip_result.gscip_output.stats().best_bound()),</div>
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<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> <span class="comment">/*was_cutoff=*/</span>solve_result.termination().limit() == LIMIT_CUTOFF);</div>
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<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> SolveStatsProto* <span class="keyword">const</span> common_stats = solve_result.mutable_solve_stats();</div>
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<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="keyword">const</span> GScipSolvingStats& gscip_stats = gscip_result.gscip_output.stats();</div>
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<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> common_stats->set_best_dual_bound(gscip_stats.best_bound());</div>
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<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> <span class="comment">// If we found no solutions meeting the cutoff, we have no primal bound.</span></div>
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|
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> <span class="keywordflow">if</span> (has_feasible_solution) {</div>
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|
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> common_stats->set_best_primal_bound(gscip_stats.best_objective());</div>
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<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> common_stats->set_best_primal_bound(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="l00761" name="l00761"></a><span class="lineno"> 761</span> }</div>
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<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> </div>
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<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> common_stats->set_node_count(gscip_stats.node_count());</div>
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<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> common_stats->set_simplex_iterations(gscip_stats.primal_simplex_iterations() +</div>
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<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> gscip_stats.dual_simplex_iterations());</div>
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<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> common_stats->set_barrier_iterations(gscip_stats.total_lp_iterations() -</div>
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<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> common_stats->simplex_iterations());</div>
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<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> *solve_result.mutable_gscip_output() = std::move(gscip_result.gscip_output);</div>
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<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> <span class="keywordflow">return</span> solve_result;</div>
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<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span>}</div>
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<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> </div>
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<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span>GScipSolver::GScipSolver(std::unique_ptr<GScip> gscip)</div>
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<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> : gscip_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(<a class="code hl_define" href="base_2logging_8h.html#aeef651f886eb5252c08835194213efe2">ABSL_DIE_IF_NULL</a>(gscip))) {</div>
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<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> interrupt_event_handler_.Register(gscip_.get());</div>
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<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span>}</div>
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<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> </div>
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<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a61ac0bc6afed786de631c4a91faeb866"> 777</a></span>absl::StatusOr<std::unique_ptr<SolverInterface>> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a61ac0bc6afed786de631c4a91faeb866">GScipSolver::New</a>(</div>
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<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <span class="keyword">const</span> ModelProto& <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <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">InitArgs</a>& init_args) {</div>
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<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(std::unique_ptr<GScip> gscip, <a class="code hl_function" href="classoperations__research_1_1_g_scip.html#a7138e926354dd2774a796e38ab5cbff5">GScip::Create</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.name()));</div>
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<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip->SetMaximize(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().maximize()));</div>
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<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip->SetObjectiveOffset(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().offset()));</div>
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<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <span class="comment">// TODO(b/204083726): Remove this check if QP support is added</span></div>
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<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().quadratic_coefficients().row_ids().empty()) {</div>
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<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
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|
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> <span class="stringliteral">"MathOpt does not currently support SCIP models with quadratic "</span></div>
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<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> <span class="stringliteral">"objectives"</span>);</div>
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<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> }</div>
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<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> <span class="comment">// Can't be const because it had to be moved into the StatusOr and be</span></div>
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<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> <span class="comment">// convereted to std::unique_ptr<SolverInterface>.</span></div>
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<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> <span class="keyword">auto</span> solver = absl::WrapUnique(<span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html">GScipSolver</a>(std::move(gscip)));</div>
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<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> </div>
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<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(solver->AddVariables(</div>
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<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variables(),</div>
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<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> SparseDoubleVectorAsMap(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().linear_coefficients())));</div>
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<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#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(solver->AddLinearConstraints(</div>
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<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.linear_constraints(), <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.linear_constraint_matrix()));</div>
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<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> </div>
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<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> <span class="keywordflow">return</span> solver;</div>
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<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span>}</div>
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<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> </div>
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<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a7875bc8ab28e1cf6cefc688d7b70ac7e"> 801</a></span>absl::StatusOr<SolveResultProto> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a7875bc8ab28e1cf6cefc688d7b70ac7e">GScipSolver::Solve</a>(</div>
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<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</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="l00803" name="l00803"></a><span class="lineno"> 803</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</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="l00805" name="l00805"></a><span class="lineno"> 805</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="l00806" name="l00806"></a><span class="lineno"> 806</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="l00807" name="l00807"></a><span class="lineno"> 807</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="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> <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>(callback_registration,</div>
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<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> <span class="comment">/*supported_events=*/</span>{}));</div>
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<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> </div>
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<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> <span class="keyword">const</span> std::unique_ptr<GScipSolverCallbackHandler> callback_handler =</div>
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<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver_callback_handler.html#a22cd7715028df18c5f7fc75837b3975b">GScipSolverCallbackHandler::RegisterIfNeeded</a>(callback_registration, cb,</div>
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<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, gscip_->scip());</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> std::unique_ptr<GScipSolverMessageCallbackHandler> message_cb_handler;</div>
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<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> <span class="keywordflow">if</span> (message_cb != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> message_cb_handler =</div>
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<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> std::make_unique<GScipSolverMessageCallbackHandler>(message_cb);</div>
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<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> }</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> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">auto</span> gscip_parameters, <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a97470e4fa956b2722e897e7199fb00f3">MergeParameters</a>(<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="l00823" name="l00823"></a><span class="lineno"> 823</span> </div>
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<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> SolutionHintProto& hint : model_parameters.solution_hints()) {</div>
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<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> absl::flat_hash_map<SCIP_VAR*, double> partial_solution;</div>
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<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, val] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(hint.variable_values())) {</div>
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<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> partial_solution.insert({variables_.at(<span class="keywordtype">id</span>), val});</div>
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|
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> }</div>
|
|
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SuggestHint(partial_solution).status());</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> <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>] :</div>
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|
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(model_parameters.branching_priorities())) {</div>
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|
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetBranchingPriority(variables_.at(<span class="keywordtype">id</span>), <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> }</div>
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|
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> </div>
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|
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> <span class="comment">// Before calling solve, set the interrupter on the event handler that calls</span></div>
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|
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> <span class="comment">// SCIPinterruptSolve().</span></div>
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|
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <span class="keywordflow">if</span> (interrupter != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> interrupt_event_handler_.interrupter = interrupter;</div>
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|
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> }</div>
|
|
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> <span class="keyword">const</span> <span class="keyword">auto</span> interrupter_cleanup = <a class="code hl_function" href="namespaceabsl.html#a01547ab811df98c71089487f394ec259">absl::MakeCleanup</a>(</div>
|
|
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> [&]() { interrupt_event_handler_.interrupter = <span class="keyword">nullptr</span>; });</div>
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|
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> </div>
|
|
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> <span class="comment">// SCIP returns "infeasible" when the model contain invalid bounds.</span></div>
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|
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ListInvertedBounds().ToStatus());</div>
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|
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> </div>
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|
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<a class="code hl_struct" href="structoperations__research_1_1_g_scip_result.html">GScipResult</a> gscip_result,</div>
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|
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> gscip_->Solve(gscip_parameters,</div>
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|
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <span class="comment">/*legacy_params=*/</span><span class="stringliteral">""</span>,</div>
|
|
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> message_cb_handler != <span class="keyword">nullptr</span></div>
|
|
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> ? message_cb_handler->MessageHandler()</div>
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|
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> : <span class="keyword">nullptr</span>));</div>
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|
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> </div>
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|
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> <span class="comment">// Flushes the last unfinished message as early as possible.</span></div>
|
|
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> message_cb_handler.reset();</div>
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|
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> </div>
|
|
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> <span class="keywordflow">if</span> (callback_handler) {</div>
|
|
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(callback_handler->Flush());</div>
|
|
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> }</div>
|
|
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> </div>
|
|
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
|
|
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> SolveResultProto result,</div>
|
|
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> CreateSolveResultProto(std::move(gscip_result), model_parameters,</div>
|
|
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.has_cutoff_limit()</div>
|
|
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> ? std::make_optional(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cutoff_limit())</div>
|
|
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> : std::nullopt));</div>
|
|
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</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>(</div>
|
|
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> absl::Now() - <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, result.mutable_solve_stats()->mutable_solve_time()));</div>
|
|
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span>}</div>
|
|
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> </div>
|
|
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span>absl::flat_hash_set<SCIP_VAR*> GScipSolver::LookupAllVariables(</div>
|
|
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> absl::Span<const int64_t> <a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>) {</div>
|
|
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> absl::flat_hash_set<SCIP_VAR*> result;</div>
|
|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> result.reserve(<a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>.size());</div>
|
|
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t var_id : <a class="code hl_variable" href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a>) {</div>
|
|
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> result.insert(variables_.at(var_id));</div>
|
|
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> }</div>
|
|
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span>}</div>
|
|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> </div>
|
|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span><span class="comment">// Returns the ids of variables and linear constraints with inverted bounds.</span></div>
|
|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span>InvertedBounds GScipSolver::ListInvertedBounds()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> <span class="comment">// Get the SCIP variables/constraints with inverted bounds.</span></div>
|
|
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> InvertedBounds inverted_bounds;</div>
|
|
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</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="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] : variables_) {</div>
|
|
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> <span class="keywordflow">if</span> (gscip_->Lb(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) > gscip_->Ub(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> inverted_bounds.variables.push_back(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> }</div>
|
|
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> }</div>
|
|
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [<span class="keywordtype">id</span>, cstr] : linear_constraints_) {</div>
|
|
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <span class="keywordflow">if</span> (gscip_->LinearConstraintLb(cstr) > gscip_->LinearConstraintUb(cstr)) {</div>
|
|
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> inverted_bounds.linear_constraints.push_back(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> }</div>
|
|
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> }</div>
|
|
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> </div>
|
|
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// Above code have inserted ids in non-stable order.</span></div>
|
|
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> std::sort(inverted_bounds.variables.begin(), inverted_bounds.variables.end());</div>
|
|
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> std::sort(inverted_bounds.linear_constraints.begin(),</div>
|
|
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> inverted_bounds.linear_constraints.end());</div>
|
|
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> <span class="keywordflow">return</span> inverted_bounds;</div>
|
|
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span>}</div>
|
|
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> </div>
|
|
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a1dcbb1374e91747a2db097361b091c8b"> 904</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a1dcbb1374e91747a2db097361b091c8b">GScipSolver::CanUpdate</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
|
|
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="keywordflow">return</span> gscip_</div>
|
|
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> ->CanSafeBulkDelete(</div>
|
|
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> LookupAllVariables(model_update.deleted_variable_ids()))</div>
|
|
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> .ok() &&</div>
|
|
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> model_update.objective_updates()</div>
|
|
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> .quadratic_coefficients()</div>
|
|
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> .row_ids()</div>
|
|
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> .empty();</div>
|
|
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span>}</div>
|
|
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> </div>
|
|
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a4dc835d3171da48778de1bbea39f8448"> 915</a></span>absl::Status <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a4dc835d3171da48778de1bbea39f8448">GScipSolver::Update</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
|
|
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t constraint_id :</div>
|
|
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> model_update.deleted_linear_constraint_ids()) {</div>
|
|
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> SCIP_CONS* <span class="keyword">const</span> scip_cons = linear_constraints_.at(constraint_id);</div>
|
|
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> linear_constraints_.erase(constraint_id);</div>
|
|
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->DeleteConstraint(scip_cons));</div>
|
|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> }</div>
|
|
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> {</div>
|
|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="keyword">const</span> absl::flat_hash_set<SCIP_VAR*> vars_to_delete =</div>
|
|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> LookupAllVariables(model_update.deleted_variable_ids());</div>
|
|
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t deleted_variable_id :</div>
|
|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> model_update.deleted_variable_ids()) {</div>
|
|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> variables_.erase(deleted_variable_id);</div>
|
|
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> }</div>
|
|
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SafeBulkDelete(vars_to_delete));</div>
|
|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> }</div>
|
|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> </div>
|
|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="keyword">const</span> std::optional<int64_t> first_new_var_id =</div>
|
|
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ac9d097a397c4fe057849dbfd724c54ed">FirstVariableId</a>(model_update.new_variables());</div>
|
|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <span class="keyword">const</span> std::optional<int64_t> first_new_cstr_id =</div>
|
|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a088b744cfba782a3dd913f24b636edac">FirstLinearConstraintId</a>(model_update.new_linear_constraints());</div>
|
|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> </div>
|
|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> <span class="keywordflow">if</span> (model_update.objective_updates().has_direction_update()) {</div>
|
|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetMaximize(</div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> model_update.objective_updates().direction_update()));</div>
|
|
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> }</div>
|
|
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="keywordflow">if</span> (model_update.objective_updates().has_offset_update()) {</div>
|
|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->SetObjectiveOffset(</div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> model_update.objective_updates().offset_update()));</div>
|
|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> }</div>
|
|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(UpdateVariables(model_update.variable_updates()));</div>
|
|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, double> linear_objective_updates =</div>
|
|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> SparseDoubleVectorAsMap(</div>
|
|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> model_update.objective_updates().linear_coefficients());</div>
|
|
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& obj_pair : linear_objective_updates) {</div>
|
|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> <span class="comment">// New variables' coefficient is set when the variables are added below.</span></div>
|
|
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> <span class="keywordflow">if</span> (!first_new_var_id.has_value() || obj_pair.first < *first_new_var_id) {</div>
|
|
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> gscip_->SetObjCoef(variables_.at(obj_pair.first), obj_pair.second));</div>
|
|
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> }</div>
|
|
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> }</div>
|
|
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> </div>
|
|
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="comment">// Here the model_update.linear_constraint_matrix_updates is split into three</span></div>
|
|
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> <span class="comment">// sub-matrix:</span></div>
|
|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <span class="comment">// existing new</span></div>
|
|
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> <span class="comment">// columns columns</span></div>
|
|
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> <span class="comment">// / | \</span></div>
|
|
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span><span class="comment"> // existing | 1 | 2 |</span></div>
|
|
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="comment">// rows | | |</span></div>
|
|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> <span class="comment">// |---------+---------|</span></div>
|
|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> <span class="comment">// new | |</span></div>
|
|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> <span class="comment">// rows | 3 |</span></div>
|
|
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> <span class="comment">// \ /</span></div>
|
|
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> <span class="comment">// The coefficients of sub-matrix 1 are set by UpdateLinearConstraints(), the</span></div>
|
|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> <span class="comment">// ones of sub-matrix 2 by AddVariables() and the ones of the sub-matrix 3 by</span></div>
|
|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> <span class="comment">// AddLinearConstraints(). The rationale here is that SCIPchgCoefLinear() has</span></div>
|
|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <span class="comment">// a complexity of O(non_zeros). Thus it is inefficient and can lead to O(n^2)</span></div>
|
|
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> <span class="comment">// behaviors if it was used for new rows or for new columns. For new rows it</span></div>
|
|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> <span class="comment">// is more efficient to pass all the variables coefficients at once when</span></div>
|
|
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> <span class="comment">// building the constraints. For new columns and existing rows, since we can</span></div>
|
|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> <span class="comment">// assume there is no existing coefficient, we can use SCIPaddCoefLinear()</span></div>
|
|
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> <span class="comment">// which is O(1). This leads to only use SCIPchgCoefLinear() for changing the</span></div>
|
|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> <span class="comment">// coefficients of existing rows and columns.</span></div>
|
|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="comment">// TODO(b/215722113): maybe we could use SCIPaddCoefLinear() for sub-matrix 1.</span></div>
|
|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> </div>
|
|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="comment">// Add new variables.</span></div>
|
|
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> AddVariables(model_update.new_variables(), linear_objective_updates));</div>
|
|
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> </div>
|
|
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="comment">// Update linear constraints properties and sub-matrix 1.</span></div>
|
|
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> UpdateLinearConstraints(model_update.linear_constraint_updates(),</div>
|
|
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> model_update.linear_constraint_matrix_updates(),</div>
|
|
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <span class="comment">/*first_new_var_id=*/</span>first_new_var_id,</div>
|
|
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> <span class="comment">/*first_new_cstr_id=*/</span>first_new_cstr_id));</div>
|
|
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> </div>
|
|
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> <span class="comment">// Update the sub-matrix 2.</span></div>
|
|
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> <span class="keyword">const</span> std::optional first_new_variable_id =</div>
|
|
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ac9d097a397c4fe057849dbfd724c54ed">FirstVariableId</a>(model_update.new_variables());</div>
|
|
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="keywordflow">if</span> (first_new_variable_id.has_value()) {</div>
|
|
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [lin_con_id, var_coeffs] :</div>
|
|
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a73f32c619b1fc9c62bcd6c6b9123bb61">SparseSubmatrixByRows</a>(model_update.linear_constraint_matrix_updates(),</div>
|
|
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> <span class="comment">/*start_row_id=*/</span>0,</div>
|
|
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> <span class="comment">/*end_row_id=*/</span>first_new_cstr_id,</div>
|
|
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> <span class="comment">/*start_col_id=*/</span>*first_new_variable_id,</div>
|
|
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> <span class="comment">/*end_col_id=*/</span>std::nullopt)) {</div>
|
|
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [var_id, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : var_coeffs) {</div>
|
|
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <span class="comment">// See above why we use AddLinearConstraintCoef().</span></div>
|
|
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip_->AddLinearConstraintCoef(</div>
|
|
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> linear_constraints_.at(lin_con_id), variables_.at(var_id), <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
|
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> }</div>
|
|
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> }</div>
|
|
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> }</div>
|
|
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> </div>
|
|
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> <span class="comment">// Add the new constraints and sets sub-matrix 3.</span></div>
|
|
<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#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
|
|
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> AddLinearConstraints(model_update.new_linear_constraints(),</div>
|
|
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> model_update.linear_constraint_matrix_updates()));</div>
|
|
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span>}</div>
|
|
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> </div>
|
|
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span>GScipSolver::InterruptEventHandler::InterruptEventHandler()</div>
|
|
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> : <a class="code hl_class" href="classoperations__research_1_1_g_scip_event_handler.html">GScipEventHandler</a>(</div>
|
|
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> {.name = <span class="stringliteral">"interrupt event handler"</span>,</div>
|
|
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> .description = <span class="stringliteral">"Event handler to call SCIPinterruptSolve() when a "</span></div>
|
|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> <span class="stringliteral">"user SolveInterrupter is triggered."</span>}) {}</div>
|
|
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> </div>
|
|
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span>SCIP_RETCODE GScipSolver::InterruptEventHandler::Init(GScip* <span class="keyword">const</span> gscip) {</div>
|
|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> <span class="comment">// We don't register any event if we don't have an interrupter.</span></div>
|
|
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> <span class="keywordflow">if</span> (interrupter == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> <span class="keywordflow">return</span> SCIP_OKAY;</div>
|
|
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> }</div>
|
|
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> </div>
|
|
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <span class="comment">// TODO(b/193537362): see if these events are enough or if we should have more</span></div>
|
|
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <span class="comment">// of these.</span></div>
|
|
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> CatchEvent(SCIP_EVENTTYPE_PRESOLVEROUND);</div>
|
|
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> CatchEvent(SCIP_EVENTTYPE_NODEEVENT);</div>
|
|
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> </div>
|
|
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> <span class="keywordflow">return</span> TryCallInterruptIfNeeded(gscip);</div>
|
|
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span>}</div>
|
|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> </div>
|
|
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span>SCIP_RETCODE GScipSolver::InterruptEventHandler::Execute(</div>
|
|
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <span class="keyword">const</span> GScipEventHandlerContext <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
|
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> <span class="keywordflow">return</span> TryCallInterruptIfNeeded(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.gscip());</div>
|
|
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span>}</div>
|
|
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> </div>
|
|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span>SCIP_RETCODE GScipSolver::InterruptEventHandler::TryCallInterruptIfNeeded(</div>
|
|
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> GScip* <span class="keyword">const</span> gscip) {</div>
|
|
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> <span class="keywordflow">if</span> (interrupter == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7">WARNING</a>) << <span class="stringliteral">"TryCallInterruptIfNeeded() called after interrupter has "</span></div>
|
|
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> <span class="stringliteral">"been reset!"</span>;</div>
|
|
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> <span class="keywordflow">return</span> SCIP_OKAY;</div>
|
|
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> }</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> <span class="keywordflow">if</span> (!interrupter->IsInterrupted()) {</div>
|
|
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> <span class="keywordflow">return</span> SCIP_OKAY;</div>
|
|
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> }</div>
|
|
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> </div>
|
|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> <span class="keyword">const</span> SCIP_STAGE stage = SCIPgetStage(gscip->scip());</div>
|
|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> <span class="keywordflow">switch</span> (stage) {</div>
|
|
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <span class="keywordflow">case</span> SCIP_STAGE_INIT:</div>
|
|
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keywordflow">case</span> SCIP_STAGE_FREE:</div>
|
|
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> <span class="comment">// This should never happen anyway; but if this happens, we may want to</span></div>
|
|
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="comment">// know about it in unit tests.</span></div>
|
|
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(DFATAL) << <span class="stringliteral">"TryCallInterruptIfNeeded() called in stage "</span></div>
|
|
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> << (stage == SCIP_STAGE_INIT ? <span class="stringliteral">"INIT"</span> : <span class="stringliteral">"FREE"</span>);</div>
|
|
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> <span class="keywordflow">return</span> SCIP_OKAY;</div>
|
|
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> <span class="keywordflow">case</span> SCIP_STAGE_INITSOLVE:</div>
|
|
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7">WARNING</a>) << <span class="stringliteral">"TryCallInterruptIfNeeded() called in INITSOLVE stage; "</span></div>
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<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> <span class="stringliteral">"we can't call SCIPinterruptSolve() in this stage."</span>;</div>
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<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> <span class="keywordflow">return</span> SCIP_OKAY;</div>
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<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <span class="keywordflow">return</span> SCIPinterruptSolve(gscip->scip());</div>
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<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> }</div>
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<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span>}</div>
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<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> </div>
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<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span><a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83">MATH_OPT_REGISTER_SOLVER</a>(SOLVER_TYPE_GSCIP, <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a61ac0bc6afed786de631c4a91faeb866">GScipSolver::New</a>)</div>
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<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> </div>
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<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00703">base/logging.h:703</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_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_aeef651f886eb5252c08835194213efe2"><div class="ttname"><a href="base_2logging_8h.html#aeef651f886eb5252c08835194213efe2">ABSL_DIE_IF_NULL</a></div><div class="ttdeci">#define ABSL_DIE_IF_NULL</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00043">base/logging.h:43</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_1_g_scip_event_handler_html"><div class="ttname"><a href="classoperations__research_1_1_g_scip_event_handler.html">operations_research::GScipEventHandler</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip__event__handler_8h_source.html#l00090">gscip_event_handler.h:90</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_g_scip_html_a7138e926354dd2774a796e38ab5cbff5"><div class="ttname"><a href="classoperations__research_1_1_g_scip.html#a7138e926354dd2774a796e38ab5cbff5">operations_research::GScip::Create</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< GScip > > Create(const std::string &problem_name)</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8cc_source.html#l00273">gscip.cc:273</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_g_scip_solver_callback_handler_html_a22cd7715028df18c5f7fc75837b3975b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_g_scip_solver_callback_handler.html#a22cd7715028df18c5f7fc75837b3975b">operations_research::math_opt::GScipSolverCallbackHandler::RegisterIfNeeded</a></div><div class="ttdeci">static std::unique_ptr< GScipSolverCallbackHandler > RegisterIfNeeded(const CallbackRegistrationProto &callback_registration, SolverInterface::Callback callback, absl::Time solve_start, SCIP *scip)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver__callback_8cc_source.html#l00038">gscip_solver_callback.cc:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_g_scip_solver_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html">operations_research::math_opt::GScipSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8h_source.html#l00045">gscip_solver.h:45</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_g_scip_solver_html_a1dcbb1374e91747a2db097361b091c8b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a1dcbb1374e91747a2db097361b091c8b">operations_research::math_opt::GScipSolver::CanUpdate</a></div><div class="ttdeci">bool CanUpdate(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00904">gscip_solver.cc:904</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_g_scip_solver_html_a4dc835d3171da48778de1bbea39f8448"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a4dc835d3171da48778de1bbea39f8448">operations_research::math_opt::GScipSolver::Update</a></div><div class="ttdeci">absl::Status Update(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00915">gscip_solver.cc:915</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_g_scip_solver_html_a61ac0bc6afed786de631c4a91faeb866"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a61ac0bc6afed786de631c4a91faeb866">operations_research::math_opt::GScipSolver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< SolverInterface > > New(const ModelProto &model, const InitArgs &init_args)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00777">gscip_solver.cc:777</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_g_scip_solver_html_a7875bc8ab28e1cf6cefc688d7b70ac7e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a7875bc8ab28e1cf6cefc688d7b70ac7e">operations_research::math_opt::GScipSolver::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResultProto > Solve(const SolveParametersProto &parameters, const ModelSolveParametersProto &model_parameters, MessageCallback message_cb, const CallbackRegistrationProto &callback_registration, Callback cb, SolveInterrupter *interrupter) override</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00801">gscip_solver.cc:801</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_g_scip_solver_html_a97470e4fa956b2722e897e7199fb00f3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_g_scip_solver.html#a97470e4fa956b2722e897e7199fb00f3">operations_research::math_opt::GScipSolver::MergeParameters</a></div><div class="ttdeci">static absl::StatusOr< GScipParameters > MergeParameters(const SolveParametersProto &solve_parameters)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00413">gscip_solver.cc:413</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_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="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="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="agscip_8h_html"><div class="ttname"><a href="gscip_8h.html">gscip.h</a></div></div>
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<div class="ttc" id="agscip__event__handler_8h_html"><div class="ttname"><a href="gscip__event__handler_8h.html">gscip_event_handler.h</a></div></div>
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<div class="ttc" id="agscip__parameters_8h_html"><div class="ttname"><a href="gscip__parameters_8h.html">gscip_parameters.h</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a1b69e9b6927ad6890c586977105d79f5"><div class="ttname"><a href="gscip__solver_8cc.html#a1b69e9b6927ad6890c586977105d79f5">linear_constraint_id</a></div><div class="ttdeci">int64_t linear_constraint_id</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00135">gscip_solver.cc:135</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="agscip__solver_8cc_html_a461bf2761c1dc652a0671e5e135b763a"><div class="ttname"><a href="gscip__solver_8cc.html#a461bf2761c1dc652a0671e5e135b763a">variable_ids</a></div><div class="ttdeci">absl::Span< const int64_t > variable_ids</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00139">gscip_solver.cc:139</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a82e2a7e0f28d620da677073b6b24574b"><div class="ttname"><a href="gscip__solver_8cc.html#a82e2a7e0f28d620da677073b6b24574b">name</a></div><div class="ttdeci">absl::string_view name</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00138">gscip_solver.cc:138</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_aa59e74cc299dbf75fa6e2234dd0849a2"><div class="ttname"><a href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a></div><div class="ttdeci">absl::Span< const double > coefficients</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00140">gscip_solver.cc:140</a></div></div>
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<div class="ttc" id="agscip__solver_8h_html"><div class="ttname"><a href="gscip__solver_8h.html">gscip_solver.h</a></div></div>
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<div class="ttc" id="agscip__solver__callback_8h_html"><div class="ttname"><a href="gscip__solver__callback_8h.html">gscip_solver_callback.h</a></div></div>
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<div class="ttc" id="agscip__solver__message__callback__handler_8h_html"><div class="ttname"><a href="gscip__solver__message__callback__handler_8h.html">gscip_solver_message_callback_handler.h</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00274">gurobi_interface.cc:274</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6"><div class="ttname"><a href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a></div><div class="ttdeci">GurobiMPCallbackContext * context</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00514">gurobi_interface.cc:514</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="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_a50e5762f38854b37ee3e2851bc1bb0e7"><div class="ttname"><a href="log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7">WARNING</a></div><div class="ttdeci">const int WARNING</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</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="anamespaceabsl_html_a01547ab811df98c71089487f394ec259"><div class="ttname"><a href="namespaceabsl.html#a01547ab811df98c71089487f394ec259">absl::MakeCleanup</a></div><div class="ttdeci">absl::Cleanup< absl::decay_t< Callback > > MakeCleanup(Callback &&callback)</div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00125">cleanup.h:125</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_a795ebdb62731938c8c31b221f0f074b4"><div class="ttname"><a href="namespacegtl.html#a795ebdb62731938c8c31b221f0f074b4">gtl::FindWithDefault</a></div><div class="ttdeci">const Collection::value_type::second_type & FindWithDefault(const Collection &collection, const typename Collection::value_type::first_type &key, const typename Collection::value_type::second_type &value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00029">map_util.h:29</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_a088b744cfba782a3dd913f24b636edac"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a088b744cfba782a3dd913f24b636edac">operations_research::math_opt::FirstLinearConstraintId</a></div><div class="ttdeci">std::optional< int64_t > FirstLinearConstraintId(const LinearConstraintsProto &linear_constraints)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00053">math_opt_proto_utils.h:53</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_a174eb56fe2f478a51da5bad317555b83"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a174eb56fe2f478a51da5bad317555b83">operations_research::math_opt::MATH_OPT_REGISTER_SOLVER</a></div><div class="ttdeci">MATH_OPT_REGISTER_SOLVER(SOLVER_TYPE_CP_SAT, CpSatSolver::New)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a1c3bab427ac8280d7b32019b88ec59b4"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a1c3bab427ac8280d7b32019b88ec59b4">operations_research::math_opt::NumMatrixNonzeros</a></div><div class="ttdeci">int NumMatrixNonzeros(const SparseDoubleMatrixProto &matrix)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00040">math_opt_proto_utils.h:40</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a3055f8b845cde39af2c3bed9007d4a06"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a3055f8b845cde39af2c3bed9007d4a06">operations_research::math_opt::NumVariables</a></div><div class="ttdeci">int NumVariables(const VariablesProto &variables)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00032">math_opt_proto_utils.h:32</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a49f967b1420551cce50b84075ab62535"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">operations_research::math_opt::FillSparseDoubleVector</a></div><div class="ttdeci">SparseDoubleVectorProto FillSparseDoubleVector(const std::vector< int64_t > &ids_in_order, const absl::flat_hash_map< int64_t, IndexType > &id_map, const glop::StrictITIVector< IndexType, glop::Fractional > &values, const SparseVectorFilterProto &filter)</div><div class="ttdef"><b>Definition:</b> <a href="glop__solver_8cc_source.html#l00406">glop_solver.cc:406</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_a73f32c619b1fc9c62bcd6c6b9123bb61"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a73f32c619b1fc9c62bcd6c6b9123bb61">operations_research::math_opt::SparseSubmatrixByRows</a></div><div class="ttdeci">SparseSubmatrixRowsView SparseSubmatrixByRows(const SparseDoubleMatrixProto &matrix, const int64_t start_row_id, const std::optional< int64_t > end_row_id, const int64_t start_col_id, const std::optional< int64_t > end_col_id)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__submatrix_8cc_source.html#l00046">sparse_submatrix.cc:46</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_a98600a28f0f805ae0cbe04802b0dcbc4"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a98600a28f0f805ae0cbe04802b0dcbc4">operations_research::math_opt::NumConstraints</a></div><div class="ttdeci">int NumConstraints(const LinearConstraintsProto &linear_constraints)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00036">math_opt_proto_utils.h:36</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_ac3d13b218c171134584f85dc301bcb67"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ac3d13b218c171134584f85dc301bcb67">operations_research::math_opt::ConvertMathOptEmphasis</a></div><div class="ttdeci">GScipParameters::MetaParamValue ConvertMathOptEmphasis(EmphasisProto emphasis)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00394">gscip_solver.cc:394</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ac9d097a397c4fe057849dbfd724c54ed"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ac9d097a397c4fe057849dbfd724c54ed">operations_research::math_opt::FirstVariableId</a></div><div class="ttdeci">std::optional< int64_t > FirstVariableId(const VariablesProto &variables)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00046">math_opt_proto_utils.h:46</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad9f50c9313b35cc1e8887057dc4d9645"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">operations_research::math_opt::kInf</a></div><div class="ttdeci">constexpr double kInf</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8cc_source.html#l00029">variable_and_expressions.cc:29</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a14c54b4add43bf2d102ca8580690c69b"><div class="ttname"><a href="namespaceoperations__research.html#a14c54b4add43bf2d102ca8580690c69b">operations_research::GScipSetCatchCtrlC</a></div><div class="ttdeci">void GScipSetCatchCtrlC(const bool catch_ctrl_c, GScipParameters *const parameters)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__parameters_8cc_source.html#l00125">gscip_parameters.cc:125</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a35973d7e6ca206694a6d31a5d81d3726"><div class="ttname"><a href="namespaceoperations__research.html#a35973d7e6ca206694a6d31a5d81d3726">operations_research::GScipSetTimeLimit</a></div><div class="ttdeci">void GScipSetTimeLimit(absl::Duration time_limit, GScipParameters *parameters)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__parameters_8cc_source.html#l00031">gscip_parameters.cc:31</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6c8817646c7d4431dd9327a3b0b5c8c9"><div class="ttname"><a href="namespaceoperations__research.html#a6c8817646c7d4431dd9327a3b0b5c8c9">operations_research::GScipSetRandomSeed</a></div><div class="ttdeci">void GScipSetRandomSeed(GScipParameters *parameters, int random_seed)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__parameters_8cc_source.html#l00108">gscip_parameters.cc:108</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_a806751db89938de9e63c667e24db74b9"><div class="ttname"><a href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9">operations_research::GScipVarType</a></div><div class="ttdeci">GScipVarType</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00108">gscip.h:108</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a806751db89938de9e63c667e24db74b9a0445605283282f17470ec2fa998a78c8"><div class="ttname"><a href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9a0445605283282f17470ec2fa998a78c8">operations_research::GScipVarType::kContinuous</a></div><div class="ttdeci">@ kContinuous</div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a806751db89938de9e63c667e24db74b9ab7400e777db61f5f726caeeab0a7dcc2"><div class="ttname"><a href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9ab7400e777db61f5f726caeeab0a7dcc2">operations_research::GScipVarType::kInteger</a></div><div class="ttdeci">@ kInteger</div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a9d54b1bb892f63abf51051c7b4228041"><div class="ttname"><a href="namespaceoperations__research.html#a9d54b1bb892f63abf51051c7b4228041">operations_research::GScipSetMaxNumThreads</a></div><div class="ttdeci">void GScipSetMaxNumThreads(int num_threads, GScipParameters *parameters)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__parameters_8cc_source.html#l00059">gscip_parameters.cc:59</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="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="asolve__interrupter_8h_html"><div class="ttname"><a href="solve__interrupter_8h.html">solve_interrupter.h</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html"><div class="ttname"><a href="solver__interface_8h.html">solver_interface.h</a></div></div>
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<div class="ttc" id="asparse__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__submatrix_8h_html"><div class="ttname"><a href="sparse__submatrix_8h.html">sparse_submatrix.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_g_scip_result_html"><div class="ttname"><a href="structoperations__research_1_1_g_scip_result.html">operations_research::GScipResult</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00078">gscip.h:78</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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