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1199 lines
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<a href="model__storage_8h.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">#ifndef OR_TOOLS_MATH_OPT_CORE_MODEL_STORAGE_H_</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define OR_TOOLS_MATH_OPT_CORE_MODEL_STORAGE_H_</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</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 <limits></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <optional></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/base/thread_annotations.h"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/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/meta/type_traits.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/statusor.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/strings/string_view.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/synchronization/mutex.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 "<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="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="strong__int_8h.html">ortools/base/strong_int.h</a>"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "ortools/math_opt/model.pb.h"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</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="l00038" name="l00038"></a><span class="lineno"> 38</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="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#aad0b29722768901e1373e897ca747dc4"> 40</a></span><a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aad0b29722768901e1373e897ca747dc4">DEFINE_STRONG_INT_TYPE</a>(VariableId, int64_t);</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a6ddcb849ff50b408c8b8519b546a6c1c"> 41</a></span><a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aad0b29722768901e1373e897ca747dc4">DEFINE_STRONG_INT_TYPE</a>(LinearConstraintId, int64_t);</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#ae5c47f342344c0281428617abd61a86f"> 42</a></span><a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aad0b29722768901e1373e897ca747dc4">DEFINE_STRONG_INT_TYPE</a>(UpdateTrackerId, int64_t);</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="comment">// An index based C++ API for building & storing optimization problems.</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment">//</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">// Note that this API should usually not be used by C++ users that should prefer</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">// the math_opt/cpp/model.h API.</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment">//</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment">// It supports the efficient creation and modification of an optimization model,</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment">// and the export of ModelProto and ModelUpdateProto protos.</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment">//</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment">// All methods run in amortized O(1) (as amortized over calls to that exact</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment">// function) unless otherwise specified.</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment">//</span></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment">// Models problems of the form:</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="comment">// min sum_{j in J} c_j * x_j + d</span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment">// s.t. lb^c_i <= sum_{j in J} A_ij * x_j <= ub^c_i for all i in I,</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment">// lb^v_j <= x_j <= ub^v_j for all j in J,</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="comment">// x_j integer for all j in Z,</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="comment">// where above:</span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="comment">// * I: the set of linear constraints,</span></div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment">// * J: the set of variables,</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="comment">// * Z: a subset of J, the integer variables,</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="comment">// * x: the decision variables (indexed by J),</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="comment">// * c: the linear objective, one double per variable,</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="comment">// * d: the objective offset, a double scalar,</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="comment">// * lb^c: the constraint lower bounds, one double per linear constraint,</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="comment">// * ub^c: the constraint upper bounds, one double per linear constraint,</span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="comment">// * lb^v: the variable lower bounds, one double per variable,</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="comment">// * ub^v: the variable upper bounds, one double per variable,</span></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="comment">// * A: the linear constraint matrix, a double per variable/constraint pair.</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="comment">//</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="comment">// The min in the objective can also be changed to a max.</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="comment">//</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment">// A simple example:</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment">//</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="comment">// Model the problem:</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment">// max 2.0 * x + y</span></div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment">// s.t. x + y <= 1.5</span></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="comment">// x in {0.0, 1.0}</span></div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment">// 0 <= y <= 2.5</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment">//</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="comment">// using ::operations_research::math_opt::ModelStorage;</span></div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="comment">// using ::operations_research::math_opt::VariableId;</span></div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="comment">// using ::operations_research::math_opt::LinearConstraintId;</span></div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="comment">// using ::operations_research::math_opt::ModelProto;</span></div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="comment">// using ::operations_research::math_opt::ModelProtoUpdate;</span></div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="comment">//</span></div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="comment">// ModelStorage model("my_model");</span></div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="comment">// const VariableId x = model.AddVariable(0.0, 1.0, true, "x");</span></div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="comment">// const VariableId y = model.AddVariable(0.0, 2.5, false, "y");</span></div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="comment">// const LinearConstraintId c = model.AddLinearConstraint(</span></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="comment">// -std::numeric_limits<double>::infinity, 1.5, "c");</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="comment">// model.set_linear_constraint_coefficient(x, c, 1.0);</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="comment">// model.set_linear_constraint_coefficient(y, c, 1.0);</span></div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="comment">// model.set_linear_objective_coefficient(x, 2.0);</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="comment">// model.set_linear_objective_coefficient(y, 1.0);</span></div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="comment">// model.set_maximize();</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="comment">//</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="comment">// Now, export to a proto describing the model:</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="comment">//</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="comment">// const ModelProto model_proto = model.ExportModel();</span></div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="comment">//</span></div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="comment">// Modify the problem and get a model update proto:</span></div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="comment">//</span></div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span><span class="comment">// const UpdateTrackerId update_tracker = model.NewUpdateTracker();</span></div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span><span class="comment">// c.set_upper_bound(2.0);</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="comment">// const std::optional<ModelUpdateProto> update_proto =</span></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="comment">// model.ExportModelUpdate(update_tracker);</span></div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="comment">// model.Checkpoint(update_tracker);</span></div>
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|
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="comment">//</span></div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="comment">// Reading and writing model properties:</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="comment">//</span></div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="comment">// Properties of the model (e.g. variable/constraint bounds) can be written</span></div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="comment">// and read in amortized O(1) time. Deleting a variable will take time</span></div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="comment">// O(#constraints containing the variable), and likewise deleting a constraint</span></div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="comment">// will take time O(#variables in the constraint). The constraint matrix is</span></div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><span class="comment">// stored as hash map where the key is a {LinearConstraintId, VariableId}</span></div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="comment">// pair and the value is the coefficient. The nonzeros of the matrix are</span></div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span><span class="comment">// additionally stored by row and by column, but these indices generated lazily</span></div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="comment">// upon first use. Asking for the set of variables in a constraint, the</span></div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="comment">// constraints in a variable, deleting a variable or constraint, or requesting a</span></div>
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|
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="comment">// ModelUpdate proto will all trigger these additional indices to be generated.</span></div>
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|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="comment">//</span></div>
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|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="comment">// Exporting the Model proto:</span></div>
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|
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span><span class="comment">//</span></div>
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|
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="comment">// The Model proto is an equivalent representation to ModelStorage. It has a</span></div>
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|
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="comment">// smaller memory footprint and optimized for storage/transport, rather than</span></div>
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|
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="comment">// efficient modification. It is also the format consumed by solvers in this</span></div>
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|
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="comment">// library. The Model proto can be generated by calling</span></div>
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|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="comment">// ModelStorage::ExportModel().</span></div>
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|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="comment">//</span></div>
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|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="comment">// Incrementalism, the ModelUpdate proto, and Checkpoints:</span></div>
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|
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="comment">//</span></div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="comment">// To update an existing model as specified by a Model proto, solvers consume a</span></div>
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|
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="comment">// ModelUpdate proto, which describes the changes to a model (e.g. new variables</span></div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="comment">// or a change in a variable bound). ModelStorage::NewUpdateTracker() tracks the</span></div>
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|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><span class="comment">// changes made and produces a ModelUpdate proto describing these changes with</span></div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="comment">// the method ModelStorage::ExportModelUpdate(). The changes returned will be</span></div>
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|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="comment">// the modifications since the previous call to ModelStorage::Checkpoint(). Note</span></div>
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|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="comment">// that, for newly initialized models, before the first checkpoint, there is no</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="comment">// additional memory overhead from tracking changes. See</span></div>
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|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="comment">// docs/ortools/math_opt/docs/model_building_complexity.md</span></div>
|
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="comment">// for details.</span></div>
|
|
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="comment">// On bad input:</span></div>
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|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="comment">// Using a bad variable id or constraint id (an id not in the current model,</span></div>
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|
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="comment">// which includes ids that have been deleted) on any method will result in an</span></div>
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|
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="comment">// immediate failure (either a CHECK failure or an exception, which is an</span></div>
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|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="comment">// implementation detail you should not rely on). We make no attempt to say if a</span></div>
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|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="comment">// model is invalid (e.g. a variable lower bound is infinite, exceeds an upper</span></div>
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|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="comment">// bound, or is NaN). The exported models are validated instead, see</span></div>
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|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="comment">// model_validator.h.</span></div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html"> 155</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_model_storage.html">ModelStorage</a> {</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// Returns a storage from the input proto. Returns a failure status if the</span></div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// input proto is invalid.</span></div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// Variable/constraint names can be repeated in the input proto but will be</span></div>
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|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// considered invalid when solving.</span></div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// See ApplyUpdateProto() for dealing with subsequent updates.</span></div>
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|
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">static</span> absl::StatusOr<std::unique_ptr<ModelStorage>> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a30e9766ac7cab4f98ac1dab04006cb85">FromModelProto</a>(</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">const</span> ModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</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> <span class="comment">// Creates an empty minimization problem.</span></div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6fe160b6ed748c18a4da3df43bee03d0"> 168</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6fe160b6ed748c18a4da3df43bee03d0">ModelStorage</a>(absl::string_view <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a> = <span class="stringliteral">""</span>) : name_(<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>) {}</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#acd8f6753d8160e2feb3f353502770fd1"> 170</a></span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#acd8f6753d8160e2feb3f353502770fd1">ModelStorage</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_model_storage.html">ModelStorage</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a16415de1133fcccb0af64d24731f240a"> 171</a></span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_model_storage.html">ModelStorage</a>& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a16415de1133fcccb0af64d24731f240a">operator=</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_model_storage.html">ModelStorage</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="comment">// Returns a clone of the model.</span></div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// The variables and constraints have the same ids. The clone will also not</span></div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// reused any id of variable/constraint that was deleted in the original.</span></div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// Note that the returned model does not have any update tracker.</span></div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> std::unique_ptr<ModelStorage> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aebbe142c6b95fa15fb4b5c6933db7fb1">Clone</a>() <span class="keyword">const</span>;</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"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b"> 181</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> name_; }</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// Variables</span></div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span><span class="comment"></span> </div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="comment">// Adds a continuous unbounded variable to the model and returns its id.</span></div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// See AddVariable(double, double, bool, absl::string_view) for details.</span></div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">inline</span> VariableId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a7f61878db357c5e54364c258b84bd60f">AddVariable</a>(absl::string_view <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a> = <span class="stringliteral">""</span>);</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// Adds a variable to the model and returns its id.</span></div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">// The returned ids begin at zero and increase by one with each call to</span></div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// AddVariable. Deleted ids are NOT reused. If no variables are deleted,</span></div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// the ids in the model will be consecutive.</span></div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> VariableId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a7f61878db357c5e54364c258b84bd60f">AddVariable</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>, <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="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordtype">bool</span> is_integer, absl::string_view <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a> = <span class="stringliteral">""</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">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ace96d5ed500bd169dbacbe5cbfb0e5fa">variable_lower_bound</a>(VariableId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af9f0a1df84497a30f45bbe6ab8bec513">variable_upper_bound</a>(VariableId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae29f4ebc12f1b4a3b412896721258884">is_variable_integer</a>(VariableId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">inline</span> <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a951be66a353471d5bf33d85fdab39ad4">variable_name</a>(VariableId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#afcf6f4df35f57bfbd8de6a4974038bd7">set_variable_lower_bound</a>(VariableId <span class="keywordtype">id</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="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8b7e8f68d99ed66ed60614875c4b2880">set_variable_upper_bound</a>(VariableId <span class="keywordtype">id</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="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8d14c94eacaa39871160000543832ecb">set_variable_is_integer</a>(VariableId <span class="keywordtype">id</span>, <span class="keywordtype">bool</span> is_integer);</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#abd0176483a997273d9fd7b74e890605c">set_variable_as_integer</a>(VariableId <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2a9fcbe11984bc3ed7b823442e510daf">set_variable_as_continuous</a>(VariableId <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="comment">// Removes a variable from the model.</span></div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// It is an error to use a deleted variable id as input to any subsequent</span></div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// function calls on the model. Runs in O(#constraints containing the</span></div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// variable).</span></div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a21466ff77e82c4002423e4dda189b780">DeleteVariable</a>(VariableId <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// The number of variables in the model.</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">// Equal to the number of variables created minus the number of variables</span></div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// deleted.</span></div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a663e6fd290b30b948686c43cea697140">num_variables</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// The returned id of the next call to AddVariable.</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">// Equal to the number of variables created.</span></div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">inline</span> VariableId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab813923adfbb357bceab924ab4c5d742">next_variable_id</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> </div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="comment">// Returns true if this id has been created and not yet deleted.</span></div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ac6312f744075f29a4f5739fbd98c7a73">has_variable</a>(VariableId <span class="keywordtype">id</span>) <span class="keyword">const</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="comment">// The VariableIds in use (not deleted), order not defined.</span></div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> std::vector<VariableId> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a5f3a8a03f482c425defc0907feb6ec03">variables</a>() <span class="keyword">const</span>;</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> <span class="comment">// Returns a sorted vector of all existing (not deleted) variables in the</span></div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// model.</span></div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// Runs in O(n log(n)), where n is the number of variables returned.</span></div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> std::vector<VariableId> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a17bfc36741359bc1a6313ab7beb2a616">SortedVariables</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="comment">// Linear Constraints</span></div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="comment"></span> </div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="comment">// Adds a linear constraint to the model with a lower bound of -inf and an</span></div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// upper bound of +inf and returns its id.</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">// See AddLinearConstraint(double, double, absl::string_view) for details.</span></div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keyword">inline</span> LinearConstraintId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aef798fd853e39de45ca855559f0df129">AddLinearConstraint</a>(absl::string_view <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a> = <span class="stringliteral">""</span>);</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> </div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="comment">// Adds a linear constraint to the model returns its id.</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">// The returned ids begin at zero and increase by one with each call to</span></div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// AddLinearConstraint. Deleted ids are NOT reused. If no linear</span></div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="comment">// constraints are deleted, the ids in the model will be consecutive.</span></div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> LinearConstraintId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aef798fd853e39de45ca855559f0df129">AddLinearConstraint</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>, <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="l00257" name="l00257"></a><span class="lineno"> 257</span> absl::string_view <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a> = <span class="stringliteral">""</span>);</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a678b766d3d2755e11ea611d010121c33">linear_constraint_lower_bound</a>(LinearConstraintId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab992747a7ee98bacfe6f73613de541b2">linear_constraint_upper_bound</a>(LinearConstraintId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keyword">inline</span> <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae39ae31dc0210e088bef7f4a4160e934">linear_constraint_name</a>(LinearConstraintId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab5a7ada8537138e3b7e87075386d9439">set_linear_constraint_lower_bound</a>(LinearConstraintId <span class="keywordtype">id</span>,</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</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="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aa15cd4cfdde4ce3435ec28405bf1034f">set_linear_constraint_upper_bound</a>(LinearConstraintId <span class="keywordtype">id</span>,</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</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="l00267" name="l00267"></a><span class="lineno"> 267</span> </div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// Removes a linear constraint from the model.</span></div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="comment">// It is an error to use a deleted linear constraint id as input to any</span></div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="comment">// subsequent function calls on the model. Runs in O(#variables in the linear</span></div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// constraint).</span></div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a40f5d96de187737d854c193cb24b77d2">DeleteLinearConstraint</a>(LinearConstraintId <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// The number of linear constraints in the model.</span></div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// Equal to the number of linear constraints created minus the number of</span></div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// linear constraints deleted.</span></div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2e6856997ce83e9841705b40d7fc626c">num_linear_constraints</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">// The returned id of the next call to AddLinearConstraint.</span></div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// Equal to the number of linear constraints created.</span></div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keyword">inline</span> LinearConstraintId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0d2dc57cc15d21d70326b1705678ce4a">next_linear_constraint_id</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> </div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="comment">// Returns true if this id has been created and not yet deleted.</span></div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a908e89788fc911467d3f144d838e33b0">has_linear_constraint</a>(LinearConstraintId <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> </div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="comment">// The LinearConstraintsIds in use (not deleted), order not defined.</span></div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> std::vector<LinearConstraintId> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a13a035185d02f47ea72b737b293516b1">linear_constraints</a>() <span class="keyword">const</span>;</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> <span class="comment">// Returns a sorted vector of all existing (not deleted) linear constraints in</span></div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="comment">// the model.</span></div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="comment">// Runs in O(n log(n)), where n is the number of linear constraints returned.</span></div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> std::vector<LinearConstraintId> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af6af3777993dc125c5d4a46b5eee7575">SortedLinearConstraints</a>() <span class="keyword">const</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="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// Linear constraint matrix</span></div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span><span class="comment"></span> </div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="comment">// Returns 0.0 if the entry is not in matrix.</span></div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a3ddc996c67fe0a2aad20b724fd800128">linear_constraint_coefficient</a>(LinearConstraintId constraint,</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> VariableId variable) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#adff992b38df40ed44a9815cceaf56ef8">is_linear_constraint_coefficient_nonzero</a>(</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> LinearConstraintId constraint, VariableId variable) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// Setting a value to 0.0 will delete the {constraint, variable} pair from the</span></div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// underlying sparse matrix representation (and has no effect if the pair is</span></div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// not present).</span></div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a773cd96209ac3afb1256dc1852f93ae7">set_linear_constraint_coefficient</a>(LinearConstraintId constraint,</div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> VariableId variable,</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> </div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="comment">// The {linear constraint, variable} pairs with nonzero linear constraint</span></div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// matrix coefficients.</span></div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">inline</span> <span class="keyword">const</span> absl::flat_hash_map<std::pair<LinearConstraintId, VariableId>,</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordtype">double</span>>&</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a577ce80ebfcd851873edc1f222c091a6">linear_constraint_matrix</a>() <span class="keyword">const</span>;</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> <span class="comment">// Returns the variables with nonzero coefficients in a linear constraint.</span></div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="comment">// Runs in O(1), but triggers allocations that are O(nnz) on first use through</span></div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="comment">// a lazy initialization.</span></div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">inline</span> <span class="keyword">const</span> absl::flat_hash_set<VariableId>& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a9aebaa9ad5f54c82a0fc2a254a047c77">variables_in_linear_constraint</a>(</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> LinearConstraintId constraint);</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> </div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="comment">// Returns the linear constraints with nonzero coefficients on a variable.</span></div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="comment">// Runs in O(1), but triggers allocations that are O(nnz) on first use through</span></div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="comment">// a lazy initialization.</span></div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keyword">inline</span> <span class="keyword">const</span> absl::flat_hash_set<LinearConstraintId>&</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#add994b6faee2e4288a89a3dd0a449366">linear_constraints_with_variable</a>(VariableId variable);</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> </div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// Objective</span></div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span><span class="comment"></span> </div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6f3611559b9d19eb580c5768c963bd99">objective_offset</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// Returns 0.0 if this variable has no linear objective coefficient.</span></div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2c5977ec712e2c0a2b3eae8f35758eec">linear_objective_coefficient</a>(VariableId variable) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="comment">// The ordering of the input variables does not matter.</span></div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab262573f05db18aa3c2f7d56d0e859e8">quadratic_objective_coefficient</a>(</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> VariableId first_variable, VariableId second_variable) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af7dffb7e1f4e3d519182f1c934ae1df2">is_linear_objective_coefficient_nonzero</a>(</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> VariableId variable) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// The ordering of the input variables does not matter.</span></div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6c5b455e020122fddfe63c4a42b7e81b">is_quadratic_objective_coefficient_nonzero</a>(</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> VariableId first_variable, VariableId second_variable) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> </div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aafbe56ff1eada47dff1b4626d455498f">set_is_maximize</a>(<span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>);</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a73b03874d78f664a43ffc1ddff06f25a">set_maximize</a>();</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a72d0f15f1d26ee64b25a14bbe359ea52">set_minimize</a>();</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#afe1e374f83d18136957c73fcaf399ba7">set_objective_offset</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// Setting a value to 0.0 will delete the variable from the underlying sparse</span></div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="comment">// representation (and has no effect if the variable is not present).</span></div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a41e65f404be4194aa05001eeccb35e25">set_linear_objective_coefficient</a>(VariableId variable,</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// Setting a value to 0.0 will delete the variable pair from the underlying</span></div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// sparse representation (and has no effect if the pair is not present).</span></div>
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|
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// The ordering of the input variables does not matter.</span></div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0ddfd5df19c6bb23ba205b2baf32cda3">set_quadratic_objective_coefficient</a>(VariableId first_variable,</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> VariableId second_variable,</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> </div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="comment">// Equivalent to calling set_linear_objective_coefficient(v, 0.0) for every</span></div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="comment">// variable with nonzero objective coefficient.</span></div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="comment">//</span></div>
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|
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="comment">// Runs in O(# nonzero linear/quadratic objective terms).</span></div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ad97af219ab4d62c806c052848a69dab3">clear_objective</a>();</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> </div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="comment">// The variables with nonzero linear objective coefficients.</span></div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keyword">inline</span> <span class="keyword">const</span> absl::flat_hash_map<VariableId, double>& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af52714c03a37c64cbb23fd5e75633585">linear_objective</a>()</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> </div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="comment">// The variable pairs with nonzero quadratic objective coefficients. The keys</span></div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="comment">// are ordered such that .first <= .second.</span></div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keyword">inline</span> <span class="keyword">const</span> absl::flat_hash_map<std::pair<VariableId, VariableId>, <span class="keywordtype">double</span>>&</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a654012838537996fe87e8896bfbe4e89">quadratic_objective</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> </div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="comment">// Returns a sorted vector of all variables in the model with nonzero linear</span></div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="comment">// objective coefficients.</span></div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="comment">// Runs in O(n log(n)), where n is the number of variables returned.</span></div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> std::vector<VariableId> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a312154deac76051cb49fca9381fae41f">SortedLinearObjectiveNonzeroVariables</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> </div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="comment">// Export</span></div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span><span class="comment"></span> </div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="comment">// Returns a proto representation of the optimization model.</span></div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="comment">// See FromModelProto() to build a ModelStorage from a proto.</span></div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> ModelProto <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aa850c403983019f6676dda010d9ac3a5">ExportModel</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> </div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="comment">// Creates a tracker that can be used to generate a ModelUpdateProto with the</span></div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="comment">// updates that happened since the last checkpoint. The tracker initial</span></div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="comment">// checkpoint corresponds to the current state of the model.</span></div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="comment">// Thread-safety: this method must not be used while modifying the</span></div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="comment">// ModelStorage. The user is expected to use proper synchronization primitive</span></div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="comment">// to serialize changes to the model and the use of this method. It can be</span></div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="comment">// called concurrently to create multiple trackers though.</span></div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="comment">// For each update tracker we define a checkpoint that is the starting point</span></div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="comment">// used to compute the ModelUpdateProto.</span></div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="comment">// Example:</span></div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="comment">// ModelStorage model;</span></div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="comment">// ...</span></div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="comment">// ASSIGN_OR_RETURN(const auto solver,</span></div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="comment">// Solver::New(solver_type, model.ExportModel(),</span></div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// /*initializer=*/{}));</span></div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="comment">// const UpdateTrackerId update_tracker = model.NewUpdatesTracker();</span></div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="comment">// ASSIGN_OR_RETURN(const auto result_1,</span></div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="comment">// solver->Solve(/*parameters=*/{});</span></div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="comment">// model.AddVariable(0.0, 1.0, true, "y");</span></div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="comment">// model.set_maximize(true);</span></div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="comment">// const std::optional<ModelUpdateProto> update_proto =</span></div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="comment">// model.ExportModelUpdate(update_tracker);</span></div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="comment">// model.Checkpoint(update_tracker);</span></div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="comment">// if (update_proto) {</span></div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="comment">// ASSIGN_OR_RETURN(const bool updated, solver->Update(*update_proto));</span></div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="comment">// if (!updated) {</span></div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="comment">// // The update is not supported by the solver, we create a new one.</span></div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="comment">// ASSIGN_OR_RETURN(const auto new_model_proto, model.ExportModel());</span></div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="comment">// ASSIGN_OR_RETURN(solver,</span></div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="comment">// Solver::New(solver_type, new_model_proto,</span></div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="comment">// /*initializer=*/{}));</span></div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="comment">// }</span></div>
|
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="comment">// }</span></div>
|
|
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="comment">// ASSIGN_OR_RETURN(const auto result_2,</span></div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="comment">// solver->Solve(/*parameters=*/{});</span></div>
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|
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="comment">//</span></div>
|
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> UpdateTrackerId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aac14e3da1270fcaf51ea5a2ae9083780">NewUpdateTracker</a>();</div>
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|
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> </div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="comment">// Deletes the input tracker.</span></div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="comment">// It must not be used anymore after its destruction. It can be deleted once,</span></div>
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<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="comment">// trying to delete it a second time or use it will raise an assertion</span></div>
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|
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="comment">// (CHECK).</span></div>
|
|
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="comment">// The update trackers are automatically deleted when the ModelStorage is</span></div>
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|
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="comment">// destroyed. Calling this function is thus only useful for performance</span></div>
|
|
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="comment">// reasons, to ensure the ModelStorage does not keep data for update trackers</span></div>
|
|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="comment">// that are not needed anymore.</span></div>
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|
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="comment">// Thread-safety: this method must not be used while modifying the</span></div>
|
|
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="comment">// ModelStorage. The user is expected to use proper synchronization primitive</span></div>
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|
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="comment">// to serialize changes to the model and the use of this method.</span></div>
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|
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="comment">//</span></div>
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|
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="comment">// It can be called concurrently to delete multiple trackers though.</span></div>
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|
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a59489761076782fbdc38b652f5a18e3b">DeleteUpdateTracker</a>(UpdateTrackerId update_tracker);</div>
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|
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> </div>
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|
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="comment">// Returns a proto representation of the changes to the model since the most</span></div>
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|
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="comment">// recent checkpoint (i.e. last time Checkpoint() was called); nullopt if the</span></div>
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|
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="comment">// update would have been empty.</span></div>
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|
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="comment">// Thread-safety: this method must not be used while modifying the</span></div>
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|
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="comment">// ModelStorage. The user is expected to use proper synchronization</span></div>
|
|
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="comment">// primitive to serialize changes to the model and the use of this method.</span></div>
|
|
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="comment">// It can be called concurrently for different update trackers though.</span></div>
|
|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> std::optional<ModelUpdateProto> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a75b53ec57a9d873ce66cd0f6e9cce11b">ExportModelUpdate</a>(</div>
|
|
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> UpdateTrackerId update_tracker);</div>
|
|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> </div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="comment">// Uses the current model state as the starting point to calculate the</span></div>
|
|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="comment">// ModelUpdateProto next time ExportModelUpdate() is called.</span></div>
|
|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="comment">// Thread-safety: this method must not be used while modifying the</span></div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="comment">// ModelStorage. The user is expected to use proper synchronization</span></div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="comment">// primitive to serialize changes to the model and the use of this method.</span></div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="comment">// It can be called concurrently for different update trackers though.</span></div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab257153b8b1cd7bd41dd1f3e85348e69">Checkpoint</a>(UpdateTrackerId update_tracker);</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> </div>
|
|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="comment">// Apply the provided update to this model. Returns a failure if the update is</span></div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="comment">// not valid.</span></div>
|
|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="comment">// As with FromModelProto(), duplicated names are ignored.</span></div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="comment">// It takes O(num_variables + num_constraints) extra memory and execution to</span></div>
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|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="comment">// apply the update (due to the need to build a ModelSummary). So even a small</span></div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="comment">// update will have some cost.</span></div>
|
|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> absl::Status <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a735ce45a5a18153e276fb6199e2d99b3">ApplyUpdateProto</a>(<span class="keyword">const</span> ModelUpdateProto& update_proto);</div>
|
|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> </div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="keyword">struct </span>VariableData {</div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> = -std::numeric_limits<double>::infinity();</div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = std::numeric_limits<double>::infinity();</div>
|
|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="keywordtype">bool</span> is_integer = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> std::string <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a> = <span class="stringliteral">""</span>;</div>
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|
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> };</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="keyword">struct </span>LinearConstraintData {</div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> = -std::numeric_limits<double>::infinity();</div>
|
|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = std::numeric_limits<double>::infinity();</div>
|
|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> std::string <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a> = <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> };</div>
|
|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> </div>
|
|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keyword">struct </span>UpdateTrackerData {</div>
|
|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="comment">// All incremental updates that occurred since last checkpoint. It is</span></div>
|
|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="comment">// filled-in each time Checkpoint() is called on any update tracker. When an</span></div>
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|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="comment">// ExportModelUpdate() is requested on a tracker, all these are merged along</span></div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="comment">// with the remaining updates.</span></div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <span class="comment">// Guarded by: ModelStorage::update_trackers_lock_. There does not seem to</span></div>
|
|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="comment">// be a way to use ABSL_GUARDED_BY here.</span></div>
|
|
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> std::vector<std::shared_ptr<const ModelUpdateProto>> updates;</div>
|
|
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> };</div>
|
|
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> </div>
|
|
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
|
|
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <span class="keywordtype">void</span> set_variable_property(VariableId <span class="keywordtype">id</span>, T <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, T VariableData::*field,</div>
|
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> absl::flat_hash_set<VariableId>& dirty_set);</div>
|
|
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> </div>
|
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> set_linear_constraint_property(</div>
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|
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>, <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>,</div>
|
|
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <span class="keywordtype">double</span> LinearConstraintData::*field,</div>
|
|
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> absl::flat_hash_set<LinearConstraintId>& dirty_set);</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> <span class="comment">// Adds a variable at the given id, updating next_variable_id_ and the lazy</span></div>
|
|
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="comment">// collections as side effect. It CHECKs that the provided id is not less than</span></div>
|
|
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="comment">// next_variable_id_.</span></div>
|
|
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="comment">// This is used internally by AddVariable() and AddVariables().</span></div>
|
|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <span class="keywordtype">void</span> AddVariableInternal(VariableId <span class="keywordtype">id</span>, <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>,</div>
|
|
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>, <span class="keywordtype">bool</span> is_integer,</div>
|
|
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> absl::string_view <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>);</div>
|
|
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
|
|
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="comment">// Adds all variables from the given proto using AddVariableInternal(). Thus</span></div>
|
|
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="comment">// Ids must be greater or equal to next_variable_id_.</span></div>
|
|
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="keywordtype">void</span> AddVariables(<span class="keyword">const</span> VariablesProto& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a5f3a8a03f482c425defc0907feb6ec03">variables</a>);</div>
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|
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> </div>
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|
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="comment">// Adds a linear constraint at the given id, updating next_variable_id_ and</span></div>
|
|
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="comment">// the lazy collections as side effect. It CHECKs that the provided id is not</span></div>
|
|
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <span class="comment">// less than next_linear_constraint_id_.</span></div>
|
|
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <span class="comment">// This is used internally by AddLinearConstraint() and</span></div>
|
|
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="comment">// AddLinearConstraints().</span></div>
|
|
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keywordtype">void</span> AddLinearConstraintInternal(LinearConstraintId <span class="keywordtype">id</span>, <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>,</div>
|
|
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>, absl::string_view <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>);</div>
|
|
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> </div>
|
|
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="comment">// Adds all constraints from the given proto using</span></div>
|
|
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="comment">// AddLinearConstraintInternal(). Thus Ids must be greater or equal to</span></div>
|
|
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="comment">// next_linear_constraint_id_.</span></div>
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<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keywordtype">void</span> AddLinearConstraints(<span class="keyword">const</span> LinearConstraintsProto& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a13a035185d02f47ea72b737b293516b1">linear_constraints</a>);</div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> </div>
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<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="comment">// Updates the objective linear coefficients. The coefficients of variables</span></div>
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<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="comment">// not in the input are kept as-is.</span></div>
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<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keywordtype">void</span> UpdateLinearObjectiveCoefficients(</div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="keyword">const</span> SparseDoubleVectorProto& <a class="code hl_variable" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a>);</div>
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<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> </div>
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<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <span class="comment">// Updates the objective quadratic coefficients. The coefficients of the pairs</span></div>
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> <span class="comment">// of variables not in the input are kept as-is.</span></div>
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="keywordtype">void</span> UpdateQuadraticObjectiveCoefficients(</div>
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<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keyword">const</span> SparseDoubleMatrixProto& <a class="code hl_variable" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a>);</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> </div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="comment">// Updates the linear constraints' coefficients. The coefficients of</span></div>
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<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> <span class="comment">// (constraint, variable) pairs not in the input are kept as-is.</span></div>
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<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keywordtype">void</span> UpdateLinearConstraintCoefficients(</div>
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<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="keyword">const</span> SparseDoubleMatrixProto& <a class="code hl_variable" href="gscip__solver_8cc.html#aa59e74cc299dbf75fa6e2234dd0849a2">coefficients</a>);</div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> </div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="comment">// Initializes lazy_matrix_columns_ (column major storage of the linear</span></div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="comment">// constraint matrix) if it is still empty and there is at least one variable</span></div>
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="comment">// in the model.</span></div>
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<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keywordtype">void</span> EnsureLazyMatrixColumns();</div>
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<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> </div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <span class="comment">// Initializes lazy_matrix_rows_ (row major storage of the linear constraint</span></div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="comment">// matrix) if it is still empty and there is at least one linear constraint in</span></div>
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="comment">// the model.</span></div>
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<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordtype">void</span> EnsureLazyMatrixRows();</div>
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<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> </div>
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<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="comment">// Initializes lazy_quadratic_objective_by_variable_ if it is still empty and</span></div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> <span class="comment">// there is at least one variable in the model.</span></div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keywordtype">void</span> EnsureLazyQuadraticObjective();</div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> </div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="comment">// Export a single variable to proto.</span></div>
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<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordtype">void</span> AppendVariable(VariableId <span class="keywordtype">id</span>, VariablesProto& variables_proto) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> </div>
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<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="comment">// Export a single linear constraint to proto.</span></div>
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<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keywordtype">void</span> AppendLinearConstraint(</div>
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<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> LinearConstraintId <span class="keywordtype">id</span>,</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> LinearConstraintsProto& linear_constraints_proto) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> </div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="comment">// Returns a proto representation of the changes to the model since the most</span></div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="comment">// recent call to SharedCheckpoint() or nullopt if no changes happened.</span></div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="comment">// Thread-safety: this method must not be called concurrently (due to</span></div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> <span class="comment">// EnsureLazyMatrixXxx() functions).</span></div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> std::optional<ModelUpdateProto> ExportSharedModelUpdate()</div>
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<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(update_trackers_lock_);</div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> </div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> <span class="comment">// Use the current model state as the starting point to calculate the</span></div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <span class="comment">// ModelUpdateProto next time ExportSharedModelUpdate() is called.</span></div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="keywordtype">void</span> SharedCheckpoint() ABSL_EXCLUSIVE_LOCKS_REQUIRED(update_trackers_lock_);</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> </div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="comment">// Same as Checkpoint() but the caller must have acquired the</span></div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> <span class="comment">// update_trackers_lock_ mutex.</span></div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keywordtype">void</span> CheckpointLocked(UpdateTrackerId update_tracker)</div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(update_trackers_lock_);</div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> </div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::<span class="keywordtype">string</span> name_;</div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> VariableId next_variable_id_ = VariableId(0);</div>
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<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> LinearConstraintId next_linear_constraint_id_ = LinearConstraintId(0);</div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> </div>
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<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keywordtype">bool</span> is_maximize_ = false;</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="keywordtype">double</span> objective_offset_ = 0.0;</div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> </div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<VariableId, VariableData> variables_;</div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<LinearConstraintId, LinearConstraintData></div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> linear_constraints_;</div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="comment">// The values of the map must never include zero.</span></div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<VariableId, <span class="keywordtype">double</span>> linear_objective_;</div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="comment">// The values of the map must never include zero. The keys must be upper</span></div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <span class="comment">// triangular, i.e. .first <= .second.</span></div>
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<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<<a class="code hl_namespace" href="namespacestd.html">std</a>::pair<VariableId, VariableId>, <span class="keywordtype">double</span>></div>
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> quadratic_objective_;</div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <span class="comment">// The values of the map must never include zero.</span></div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<<a class="code hl_namespace" href="namespacestd.html">std</a>::pair<LinearConstraintId, VariableId>, <span class="keywordtype">double</span>></div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> linear_constraint_matrix_;</div>
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<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<VariableId, <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<LinearConstraintId>></div>
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<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> lazy_matrix_columns_;</div>
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<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<LinearConstraintId, <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<VariableId>></div>
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<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> lazy_matrix_rows_;</div>
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<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="comment">// To handle deletions we need to have an efficient way to look up which</span></div>
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<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="comment">// quadratic objective terms involve a given variable. This map stores this</span></div>
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<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> <span class="comment">// information where the key corresponds to a variable and the value is the</span></div>
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<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> <span class="comment">// set of all variables appearing in a quadratic objective term with the key.</span></div>
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<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> <span class="comment">// This data structure is only initialized after a call to</span></div>
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<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="comment">// EnsureLazyQuadraticObjective. As of 11/17/2021, this will have occurred if</span></div>
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<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="comment">// a nonzero quadratic objective term has ever been added to the model.</span></div>
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<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_map<VariableId, <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<VariableId>></div>
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<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> lazy_quadratic_objective_by_variable_;</div>
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<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> </div>
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<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="comment">// Update information</span></div>
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<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <span class="comment">// Implicitly, all data for variables and constraints added after the last</span></div>
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<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="comment">// checkpoint are considered "new" and will NOT be stored in the "dirty" data</span></div>
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<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="comment">// structures below.</span></div>
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<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> VariableId variables_checkpoint_ = VariableId(0);</div>
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<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> LinearConstraintId linear_constraints_checkpoint_ = LinearConstraintId(0);</div>
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<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="keywordtype">bool</span> dirty_objective_direction_ = false;</div>
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<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordtype">bool</span> dirty_objective_offset_ = false;</div>
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<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> </div>
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<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<VariableId> dirty_variable_deletes_;</div>
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<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<VariableId> dirty_variable_lower_bounds_;</div>
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<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<VariableId> dirty_variable_upper_bounds_;</div>
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<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<VariableId> dirty_variable_is_integer_;</div>
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<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> </div>
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<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<VariableId> dirty_linear_objective_coefficients_;</div>
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<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> <span class="comment">// NOTE: quadratic objective coefficients are considered dirty, and therefore</span></div>
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<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> <span class="comment">// tracked in this set, if and only if both variables in the term are "old",</span></div>
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<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> <span class="comment">// i.e. not added since the last checkpoint.</span></div>
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<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<<a class="code hl_namespace" href="namespacestd.html">std</a>::pair<VariableId, VariableId>></div>
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<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> dirty_quadratic_objective_coefficients_;</div>
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<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> </div>
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<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<LinearConstraintId> dirty_linear_constraint_deletes_;</div>
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<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<LinearConstraintId> dirty_linear_constraint_lower_bounds_;</div>
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<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<LinearConstraintId> dirty_linear_constraint_upper_bounds_;</div>
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<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> </div>
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<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="comment">// Only for pairs where both the variable and constraint are before the</span></div>
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<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <span class="comment">// checkpoint, i.e.</span></div>
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<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="comment">// var_id < variables_checkpoint_ &&</span></div>
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<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="comment">// lin_con_id < linear_constraints_checkpoint_</span></div>
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<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::flat_hash_set<<a class="code hl_namespace" href="namespacestd.html">std</a>::pair<LinearConstraintId, VariableId>></div>
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<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> dirty_linear_constraint_matrix_keys_;</div>
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<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> </div>
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<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="comment">// Lock used to serialize access to update_trackers_ and to the all fields of</span></div>
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<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="comment">// UpdateTrackerData. We use only one lock since trackers are modified in</span></div>
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<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">// group (they share a chain of ModelUpdateProto and the update of one tracker</span></div>
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<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="comment">// usually requires the update of some of the others).</span></div>
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<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::Mutex update_trackers_lock_;</div>
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<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> </div>
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<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="comment">// Next index to use in NewUpdateTracker().</span></div>
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<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> UpdateTrackerId next_update_tracker_</div>
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<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> ABSL_GUARDED_BY(update_trackers_lock_) = {};</div>
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<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> </div>
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<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="comment">// The UpdateTracker instances tracking the changes of to this model.</span></div>
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<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> absl::flat_hash_map<UpdateTrackerId, std::unique_ptr<UpdateTrackerData>></div>
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<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> update_trackers_ ABSL_GUARDED_BY(update_trackers_lock_);</div>
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<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span>};</div>
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<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> </div>
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<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span><span class="comment">// Inlined function implementations</span></div>
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<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span><span class="comment"></span> </div>
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<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span><span class="comment">// Variables</span></div>
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<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span><span class="comment"></span> </div>
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<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a7f61878db357c5e54364c258b84bd60f"> 699</a></span>VariableId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a7f61878db357c5e54364c258b84bd60f">ModelStorage::AddVariable</a>(absl::string_view <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div>
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<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a7f61878db357c5e54364c258b84bd60f">AddVariable</a>(-std::numeric_limits<double>::infinity(),</div>
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<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> std::numeric_limits<double>::infinity(), <span class="keyword">false</span>, <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>);</div>
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|
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span>}</div>
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<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> </div>
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|
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ace96d5ed500bd169dbacbe5cbfb0e5fa"> 704</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ace96d5ed500bd169dbacbe5cbfb0e5fa">ModelStorage::variable_lower_bound</a>(<span class="keyword">const</span> VariableId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keywordflow">return</span> variables_.at(<span class="keywordtype">id</span>).lower_bound;</div>
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|
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span>}</div>
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|
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> </div>
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|
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af9f0a1df84497a30f45bbe6ab8bec513"> 708</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af9f0a1df84497a30f45bbe6ab8bec513">ModelStorage::variable_upper_bound</a>(<span class="keyword">const</span> VariableId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> <span class="keywordflow">return</span> variables_.at(<span class="keywordtype">id</span>).upper_bound;</div>
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|
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span>}</div>
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|
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> </div>
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|
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae29f4ebc12f1b4a3b412896721258884"> 712</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae29f4ebc12f1b4a3b412896721258884">ModelStorage::is_variable_integer</a>(VariableId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> <span class="keywordflow">return</span> variables_.at(<span class="keywordtype">id</span>).is_integer;</div>
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|
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span>}</div>
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|
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> </div>
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|
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a951be66a353471d5bf33d85fdab39ad4"> 716</a></span><span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a951be66a353471d5bf33d85fdab39ad4">ModelStorage::variable_name</a>(<span class="keyword">const</span> VariableId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keywordflow">return</span> variables_.at(<span class="keywordtype">id</span>).name;</div>
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|
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span>}</div>
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|
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> </div>
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|
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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|
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span><span class="keywordtype">void</span> ModelStorage::set_variable_property(</div>
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|
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <span class="keyword">const</span> VariableId <span class="keywordtype">id</span>, <span class="keyword">const</span> T <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, T VariableData::*<span class="keyword">const</span> field,</div>
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|
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> absl::flat_hash_set<VariableId>& dirty_set) {</div>
|
|
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> VariableData& var_data = variables_.at(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> <span class="keywordflow">if</span> (var_data.*field != <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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|
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> var_data.*field = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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|
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> < variables_checkpoint_) {</div>
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|
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> dirty_set.insert(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> }</div>
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|
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> }</div>
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|
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span>}</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"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#afcf6f4df35f57bfbd8de6a4974038bd7"> 733</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#afcf6f4df35f57bfbd8de6a4974038bd7">ModelStorage::set_variable_lower_bound</a>(<span class="keyword">const</span> VariableId <span class="keywordtype">id</span>,</div>
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|
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>) {</div>
|
|
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> set_variable_property(<span class="keywordtype">id</span>, <a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>, &<a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">VariableData::lower_bound</a>,</div>
|
|
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> dirty_variable_lower_bounds_);</div>
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|
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span>}</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"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8b7e8f68d99ed66ed60614875c4b2880"> 739</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8b7e8f68d99ed66ed60614875c4b2880">ModelStorage::set_variable_upper_bound</a>(<span class="keyword">const</span> VariableId <span class="keywordtype">id</span>,</div>
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|
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {</div>
|
|
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> set_variable_property(<span class="keywordtype">id</span>, <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>, &<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">VariableData::upper_bound</a>,</div>
|
|
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> dirty_variable_upper_bounds_);</div>
|
|
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span>}</div>
|
|
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> </div>
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|
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8d14c94eacaa39871160000543832ecb"> 745</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8d14c94eacaa39871160000543832ecb">ModelStorage::set_variable_is_integer</a>(<span class="keyword">const</span> VariableId <span class="keywordtype">id</span>,</div>
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|
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_integer) {</div>
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|
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> set_variable_property(<span class="keywordtype">id</span>, is_integer, &VariableData::is_integer,</div>
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|
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> dirty_variable_is_integer_);</div>
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|
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span>}</div>
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|
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> </div>
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|
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#abd0176483a997273d9fd7b74e890605c"> 751</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#abd0176483a997273d9fd7b74e890605c">ModelStorage::set_variable_as_integer</a>(VariableId <span class="keywordtype">id</span>) {</div>
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<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8d14c94eacaa39871160000543832ecb">set_variable_is_integer</a>(<span class="keywordtype">id</span>, <span class="keyword">true</span>);</div>
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|
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span>}</div>
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|
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> </div>
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|
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2a9fcbe11984bc3ed7b823442e510daf"> 755</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2a9fcbe11984bc3ed7b823442e510daf">ModelStorage::set_variable_as_continuous</a>(VariableId <span class="keywordtype">id</span>) {</div>
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<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8d14c94eacaa39871160000543832ecb">set_variable_is_integer</a>(<span class="keywordtype">id</span>, <span class="keyword">false</span>);</div>
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|
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span>}</div>
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|
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> </div>
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<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a663e6fd290b30b948686c43cea697140"> 759</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a663e6fd290b30b948686c43cea697140">ModelStorage::num_variables</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> variables_.size(); }</div>
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|
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> </div>
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|
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab813923adfbb357bceab924ab4c5d742"> 761</a></span>VariableId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab813923adfbb357bceab924ab4c5d742">ModelStorage::next_variable_id</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> next_variable_id_; }</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"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ac6312f744075f29a4f5739fbd98c7a73"> 763</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ac6312f744075f29a4f5739fbd98c7a73">ModelStorage::has_variable</a>(<span class="keyword">const</span> VariableId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> <span class="keywordflow">return</span> variables_.contains(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span>}</div>
|
|
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> </div>
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|
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span><span class="comment">// Linear Constraints</span></div>
|
|
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span><span class="comment"></span> </div>
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|
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aef798fd853e39de45ca855559f0df129"> 771</a></span>LinearConstraintId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aef798fd853e39de45ca855559f0df129">ModelStorage::AddLinearConstraint</a>(absl::string_view <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div>
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|
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aef798fd853e39de45ca855559f0df129">AddLinearConstraint</a>(-std::numeric_limits<double>::infinity(),</div>
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|
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> std::numeric_limits<double>::infinity(), <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>);</div>
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|
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span>}</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"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a678b766d3d2755e11ea611d010121c33"> 776</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a678b766d3d2755e11ea611d010121c33">ModelStorage::linear_constraint_lower_bound</a>(</div>
|
|
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <span class="keywordflow">return</span> linear_constraints_.at(<span class="keywordtype">id</span>).lower_bound;</div>
|
|
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span>}</div>
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|
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> </div>
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<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab992747a7ee98bacfe6f73613de541b2"> 781</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab992747a7ee98bacfe6f73613de541b2">ModelStorage::linear_constraint_upper_bound</a>(</div>
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<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <span class="keywordflow">return</span> linear_constraints_.at(<span class="keywordtype">id</span>).upper_bound;</div>
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<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span>}</div>
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<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> </div>
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<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae39ae31dc0210e088bef7f4a4160e934"> 786</a></span><span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae39ae31dc0210e088bef7f4a4160e934">ModelStorage::linear_constraint_name</a>(</div>
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|
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> <span class="keywordflow">return</span> linear_constraints_.at(<span class="keywordtype">id</span>).name;</div>
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|
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span>}</div>
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|
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> </div>
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<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span><span class="keywordtype">void</span> ModelStorage::set_linear_constraint_property(</div>
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<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> <span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>, <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>,</div>
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|
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> <span class="keywordtype">double</span> LinearConstraintData::*<span class="keyword">const</span> field,</div>
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|
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> absl::flat_hash_set<LinearConstraintId>& dirty_set) {</div>
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|
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> LinearConstraintData& lin_con_data = linear_constraints_.at(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="keywordflow">if</span> (lin_con_data.*field != <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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|
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> lin_con_data.*field = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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|
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> < linear_constraints_checkpoint_) {</div>
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|
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> dirty_set.insert(<span class="keywordtype">id</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"> 801</span> }</div>
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|
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span>}</div>
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|
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> </div>
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|
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab5a7ada8537138e3b7e87075386d9439"> 804</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab5a7ada8537138e3b7e87075386d9439">ModelStorage::set_linear_constraint_lower_bound</a>(</div>
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|
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> <span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>, <span class="keyword">const</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="l00806" name="l00806"></a><span class="lineno"> 806</span> set_linear_constraint_property(<span class="keywordtype">id</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="l00807" name="l00807"></a><span class="lineno"> 807</span> &<a class="code hl_variable" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">LinearConstraintData::lower_bound</a>,</div>
|
|
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> dirty_linear_constraint_lower_bounds_);</div>
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|
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span>}</div>
|
|
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> </div>
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|
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aa15cd4cfdde4ce3435ec28405bf1034f"> 811</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aa15cd4cfdde4ce3435ec28405bf1034f">ModelStorage::set_linear_constraint_upper_bound</a>(</div>
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|
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> <span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>, <span class="keyword">const</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="l00813" name="l00813"></a><span class="lineno"> 813</span> set_linear_constraint_property(<span class="keywordtype">id</span>, <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>,</div>
|
|
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> &<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">LinearConstraintData::upper_bound</a>,</div>
|
|
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> dirty_linear_constraint_upper_bounds_);</div>
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|
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span>}</div>
|
|
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> </div>
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|
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2e6856997ce83e9841705b40d7fc626c"> 818</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2e6856997ce83e9841705b40d7fc626c">ModelStorage::num_linear_constraints</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> <span class="keywordflow">return</span> linear_constraints_.size();</div>
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|
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span>}</div>
|
|
<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"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0d2dc57cc15d21d70326b1705678ce4a"> 822</a></span>LinearConstraintId <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0d2dc57cc15d21d70326b1705678ce4a">ModelStorage::next_linear_constraint_id</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="keywordflow">return</span> next_linear_constraint_id_;</div>
|
|
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span>}</div>
|
|
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> </div>
|
|
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a908e89788fc911467d3f144d838e33b0"> 826</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a908e89788fc911467d3f144d838e33b0">ModelStorage::has_linear_constraint</a>(<span class="keyword">const</span> LinearConstraintId <span class="keywordtype">id</span>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> <span class="keywordflow">return</span> linear_constraints_.contains(<span class="keywordtype">id</span>);</div>
|
|
<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> </div>
|
|
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span><span class="comment">// Linear Constraint Matrix</span></div>
|
|
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span><span class="comment"></span> </div>
|
|
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a3ddc996c67fe0a2aad20b724fd800128"> 834</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a3ddc996c67fe0a2aad20b724fd800128">ModelStorage::linear_constraint_coefficient</a>(</div>
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|
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> LinearConstraintId constraint, VariableId variable)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacegtl.html#a795ebdb62731938c8c31b221f0f074b4">gtl::FindWithDefault</a>(linear_constraint_matrix_,</div>
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|
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> {constraint, variable});</div>
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|
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span>}</div>
|
|
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> </div>
|
|
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#adff992b38df40ed44a9815cceaf56ef8"> 840</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#adff992b38df40ed44a9815cceaf56ef8">ModelStorage::is_linear_constraint_coefficient_nonzero</a>(</div>
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|
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> LinearConstraintId constraint, VariableId variable)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> <span class="keywordflow">return</span> linear_constraint_matrix_.contains({constraint, variable});</div>
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|
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span>}</div>
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|
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> </div>
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|
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a773cd96209ac3afb1256dc1852f93ae7"> 845</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a773cd96209ac3afb1256dc1852f93ae7">ModelStorage::set_linear_constraint_coefficient</a>(</div>
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|
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> LinearConstraintId constraint, VariableId variable, <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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|
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> <span class="keywordtype">bool</span> was_updated = <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 0.0) {</div>
|
|
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <span class="keywordflow">if</span> (linear_constraint_matrix_.erase({constraint, variable}) > 0) {</div>
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|
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> was_updated = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> <span class="keywordflow">if</span> (!lazy_matrix_columns_.empty()) {</div>
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|
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> lazy_matrix_columns_.at(variable).erase(constraint);</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="keywordflow">if</span> (!lazy_matrix_rows_.empty()) {</div>
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|
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> lazy_matrix_rows_.at(constraint).erase(variable);</div>
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|
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> }</div>
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|
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> }</div>
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|
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> <span class="keyword">const</span> <span class="keyword">auto</span> [iterator, inserted] =</div>
|
|
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> linear_constraint_matrix_.try_emplace({constraint, variable}, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <span class="keywordflow">if</span> (inserted) {</div>
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|
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> was_updated = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iterator->second != <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> iterator->second = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> was_updated = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> }</div>
|
|
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> <span class="keywordflow">if</span> (!lazy_matrix_columns_.empty()) {</div>
|
|
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> lazy_matrix_columns_.at(variable).insert(constraint);</div>
|
|
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> }</div>
|
|
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> <span class="keywordflow">if</span> (!lazy_matrix_rows_.empty()) {</div>
|
|
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> lazy_matrix_rows_.at(constraint).insert(variable);</div>
|
|
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> }</div>
|
|
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> }</div>
|
|
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> <span class="keywordflow">if</span> (was_updated && constraint < linear_constraints_checkpoint_ &&</div>
|
|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> variable < variables_checkpoint_) {</div>
|
|
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> dirty_linear_constraint_matrix_keys_.emplace(constraint, variable);</div>
|
|
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> }</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> </div>
|
|
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span><span class="keyword">const</span> absl::flat_hash_map<std::pair<LinearConstraintId, VariableId>, <span class="keywordtype">double</span>>&</div>
|
|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a577ce80ebfcd851873edc1f222c091a6"> 881</a></span><a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a577ce80ebfcd851873edc1f222c091a6">ModelStorage::linear_constraint_matrix</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> <span class="keywordflow">return</span> linear_constraint_matrix_;</div>
|
|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span>}</div>
|
|
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> </div>
|
|
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span><span class="keyword">const</span> absl::flat_hash_set<VariableId>&</div>
|
|
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a9aebaa9ad5f54c82a0fc2a254a047c77"> 886</a></span><a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a9aebaa9ad5f54c82a0fc2a254a047c77">ModelStorage::variables_in_linear_constraint</a>(LinearConstraintId constraint) {</div>
|
|
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> EnsureLazyMatrixRows();</div>
|
|
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> <span class="keywordflow">return</span> lazy_matrix_rows_.at(constraint);</div>
|
|
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span>}</div>
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|
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> </div>
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<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span><span class="keyword">const</span> absl::flat_hash_set<LinearConstraintId>&</div>
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|
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#add994b6faee2e4288a89a3dd0a449366"> 892</a></span><a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#add994b6faee2e4288a89a3dd0a449366">ModelStorage::linear_constraints_with_variable</a>(VariableId variable) {</div>
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|
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> EnsureLazyMatrixColumns();</div>
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<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> <span class="keywordflow">return</span> lazy_matrix_columns_.at(variable);</div>
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|
<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>
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<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span><span class="comment">// Objective</span></div>
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|
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span><span class="comment"></span> </div>
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<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceinternal.html">internal</a> {</div>
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<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> </div>
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<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9d1544d64091496b638faf3cea76dc0e"> 903</a></span><span class="keyword">inline</span> std::pair<VariableId, VariableId> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9d1544d64091496b638faf3cea76dc0e">MakeOrderedPair</a>(<span class="keyword">const</span> VariableId <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>,</div>
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<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> <span class="keyword">const</span> VariableId <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>) {</div>
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|
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> ? std::make_pair(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>) : std::make_pair(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>);</div>
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|
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span>}</div>
|
|
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> </div>
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|
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span>} <span class="comment">// namespace internal</span></div>
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|
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> </div>
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<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aab068699099bdffd5c834f440cdc7e51"> 910</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aab068699099bdffd5c834f440cdc7e51">ModelStorage::is_maximize</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> is_maximize_; }</div>
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|
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> </div>
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|
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6f3611559b9d19eb580c5768c963bd99"> 912</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6f3611559b9d19eb580c5768c963bd99">ModelStorage::objective_offset</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> objective_offset_; }</div>
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|
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> </div>
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|
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2c5977ec712e2c0a2b3eae8f35758eec"> 914</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2c5977ec712e2c0a2b3eae8f35758eec">ModelStorage::linear_objective_coefficient</a>(VariableId variable)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacegtl.html#a795ebdb62731938c8c31b221f0f074b4">gtl::FindWithDefault</a>(linear_objective_, variable);</div>
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|
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span>}</div>
|
|
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> </div>
|
|
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab262573f05db18aa3c2f7d56d0e859e8"> 918</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab262573f05db18aa3c2f7d56d0e859e8">ModelStorage::quadratic_objective_coefficient</a>(</div>
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|
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> <span class="keyword">const</span> VariableId first_variable, <span class="keyword">const</span> VariableId second_variable)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacegtl.html#a795ebdb62731938c8c31b221f0f074b4">gtl::FindWithDefault</a>(</div>
|
|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> quadratic_objective_,</div>
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|
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9d1544d64091496b638faf3cea76dc0e">internal::MakeOrderedPair</a>(first_variable, second_variable));</div>
|
|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span>}</div>
|
|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> </div>
|
|
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af7dffb7e1f4e3d519182f1c934ae1df2"> 925</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af7dffb7e1f4e3d519182f1c934ae1df2">ModelStorage::is_linear_objective_coefficient_nonzero</a>(</div>
|
|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> VariableId variable)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> <span class="keywordflow">return</span> linear_objective_.contains(variable);</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> </div>
|
|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6c5b455e020122fddfe63c4a42b7e81b"> 930</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6c5b455e020122fddfe63c4a42b7e81b">ModelStorage::is_quadratic_objective_coefficient_nonzero</a>(</div>
|
|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="keyword">const</span> VariableId first_variable, <span class="keyword">const</span> VariableId second_variable)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="keywordflow">return</span> quadratic_objective_.contains(</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_1_1internal.html#a9d1544d64091496b638faf3cea76dc0e">internal::MakeOrderedPair</a>(first_variable, second_variable));</div>
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|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span>}</div>
|
|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> </div>
|
|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aafbe56ff1eada47dff1b4626d455498f"> 936</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aafbe56ff1eada47dff1b4626d455498f">ModelStorage::set_is_maximize</a>(<span class="keywordtype">bool</span> is_maximize) {</div>
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|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> <span class="keywordflow">if</span> (is_maximize_ != <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>) {</div>
|
|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> dirty_objective_direction_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> is_maximize_ = <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>;</div>
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|
<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>}</div>
|
|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> </div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a73b03874d78f664a43ffc1ddff06f25a"> 943</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a73b03874d78f664a43ffc1ddff06f25a">ModelStorage::set_maximize</a>() { <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aafbe56ff1eada47dff1b4626d455498f">set_is_maximize</a>(<span class="keyword">true</span>); }</div>
|
|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> </div>
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|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a72d0f15f1d26ee64b25a14bbe359ea52"> 945</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a72d0f15f1d26ee64b25a14bbe359ea52">ModelStorage::set_minimize</a>() { <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#aafbe56ff1eada47dff1b4626d455498f">set_is_maximize</a>(<span class="keyword">false</span>); }</div>
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|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> </div>
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|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#afe1e374f83d18136957c73fcaf399ba7"> 947</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#afe1e374f83d18136957c73fcaf399ba7">ModelStorage::set_objective_offset</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> != objective_offset_) {</div>
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|
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> dirty_objective_offset_ = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> objective_offset_ = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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|
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> }</div>
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|
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span>}</div>
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|
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> </div>
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<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a41e65f404be4194aa05001eeccb35e25"> 954</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a41e65f404be4194aa05001eeccb35e25">ModelStorage::set_linear_objective_coefficient</a>(VariableId variable,</div>
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|
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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|
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> <span class="keywordtype">bool</span> was_updated = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 0.0) {</div>
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|
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> <span class="keywordflow">if</span> (linear_objective_.erase(variable) > 0) {</div>
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|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> was_updated = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> }</div>
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<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> <span class="keyword">const</span> <span class="keyword">auto</span> [iterator, inserted] =</div>
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<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> linear_objective_.try_emplace(variable, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="keywordflow">if</span> (inserted) {</div>
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|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> was_updated = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iterator->second != <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> iterator->second = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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|
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> was_updated = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> }</div>
|
|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> }</div>
|
|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> <span class="keywordflow">if</span> (was_updated && variable < variables_checkpoint_) {</div>
|
|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> dirty_linear_objective_coefficients_.insert(variable);</div>
|
|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> }</div>
|
|
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span>}</div>
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|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> </div>
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<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0ddfd5df19c6bb23ba205b2baf32cda3"> 976</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0ddfd5df19c6bb23ba205b2baf32cda3">ModelStorage::set_quadratic_objective_coefficient</a>(</div>
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|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> <span class="keyword">const</span> VariableId first_variable, <span class="keyword">const</span> VariableId second_variable,</div>
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|
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> <span class="keyword">const</span> std::pair<VariableId, VariableId> key =</div>
|
|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9d1544d64091496b638faf3cea76dc0e">internal::MakeOrderedPair</a>(first_variable, second_variable);</div>
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|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="keywordtype">bool</span> was_updated = <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 0.0) {</div>
|
|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="keywordflow">if</span> (quadratic_objective_.erase(key) > 0) {</div>
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<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> was_updated = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> }</div>
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<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="keyword">const</span> <span class="keyword">auto</span> [iterator, inserted] =</div>
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<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> quadratic_objective_.try_emplace(key, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> <span class="keywordflow">if</span> (inserted) {</div>
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<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> was_updated = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iterator->second != <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> iterator->second = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> was_updated = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> }</div>
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<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> }</div>
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<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <span class="keywordflow">if</span> (was_updated) {</div>
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<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="keywordflow">if</span> (!lazy_quadratic_objective_by_variable_.empty()) {</div>
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<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> lazy_quadratic_objective_by_variable_.at(first_variable)</div>
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<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> .insert(second_variable);</div>
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<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> lazy_quadratic_objective_by_variable_.at(second_variable)</div>
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<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> .insert(first_variable);</div>
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<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> }</div>
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<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> <span class="keywordflow">if</span> (key.second < variables_checkpoint_) {</div>
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<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> dirty_quadratic_objective_coefficients_.insert(key);</div>
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<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> }</div>
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<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> }</div>
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<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span>}</div>
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<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> </div>
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<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ad97af219ab4d62c806c052848a69dab3"> 1009</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#ad97af219ab4d62c806c052848a69dab3">ModelStorage::clear_objective</a>() {</div>
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<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#afe1e374f83d18136957c73fcaf399ba7">set_objective_offset</a>(0.0);</div>
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<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <span class="keywordflow">while</span> (!linear_objective_.empty()) {</div>
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<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a41e65f404be4194aa05001eeccb35e25">set_linear_objective_coefficient</a>(linear_objective_.begin()->first, 0.0);</div>
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<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> }</div>
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<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> <span class="keywordflow">while</span> (!quadratic_objective_.empty()) {</div>
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<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0ddfd5df19c6bb23ba205b2baf32cda3">set_quadratic_objective_coefficient</a>(</div>
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<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> quadratic_objective_.begin()->first.first,</div>
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<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> quadratic_objective_.begin()->first.second, 0.0);</div>
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<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> }</div>
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<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span>}</div>
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<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> </div>
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<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af52714c03a37c64cbb23fd5e75633585"> 1021</a></span><span class="keyword">const</span> absl::flat_hash_map<VariableId, double>& <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#af52714c03a37c64cbb23fd5e75633585">ModelStorage::linear_objective</a>()<span class="keyword"></span></div>
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<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span><span class="keyword"> const </span>{</div>
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<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> <span class="keywordflow">return</span> linear_objective_;</div>
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<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span>}</div>
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<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> </div>
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<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span><span class="keyword">const</span> absl::flat_hash_map<std::pair<VariableId, VariableId>, <span class="keywordtype">double</span>>&</div>
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<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a654012838537996fe87e8896bfbe4e89"> 1027</a></span><a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_model_storage.html#a654012838537996fe87e8896bfbe4e89">ModelStorage::quadratic_objective</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> <span class="keywordflow">return</span> quadratic_objective_;</div>
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<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span>}</div>
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<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> </div>
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<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> </div>
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<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_MATH_OPT_CORE_MODEL_STORAGE_H_</span></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html">operations_research::math_opt::ModelStorage</a></div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00155">model_storage.h:155</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a0d2dc57cc15d21d70326b1705678ce4a"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0d2dc57cc15d21d70326b1705678ce4a">operations_research::math_opt::ModelStorage::next_linear_constraint_id</a></div><div class="ttdeci">LinearConstraintId next_linear_constraint_id() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00822">model_storage.h:822</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a0ddfd5df19c6bb23ba205b2baf32cda3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a0ddfd5df19c6bb23ba205b2baf32cda3">operations_research::math_opt::ModelStorage::set_quadratic_objective_coefficient</a></div><div class="ttdeci">void set_quadratic_objective_coefficient(VariableId first_variable, VariableId second_variable, double value)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00976">model_storage.h:976</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a13a035185d02f47ea72b737b293516b1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a13a035185d02f47ea72b737b293516b1">operations_research::math_opt::ModelStorage::linear_constraints</a></div><div class="ttdeci">std::vector< LinearConstraintId > linear_constraints() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00390">model_storage.cc:390</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a16415de1133fcccb0af64d24731f240a"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a16415de1133fcccb0af64d24731f240a">operations_research::math_opt::ModelStorage::operator=</a></div><div class="ttdeci">ModelStorage & operator=(const ModelStorage &)=delete</div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a17bfc36741359bc1a6313ab7beb2a616"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a17bfc36741359bc1a6313ab7beb2a616">operations_research::math_opt::ModelStorage::SortedVariables</a></div><div class="ttdeci">std::vector< VariableId > SortedVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00326">model_storage.cc:326</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a21466ff77e82c4002423e4dda189b780"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a21466ff77e82c4002423e4dda189b780">operations_research::math_opt::ModelStorage::DeleteVariable</a></div><div class="ttdeci">void DeleteVariable(VariableId id)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00271">model_storage.cc:271</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a24dcbf29c0d6cd766009a182a6484e3b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a24dcbf29c0d6cd766009a182a6484e3b">operations_research::math_opt::ModelStorage::name</a></div><div class="ttdeci">const std::string & name() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00181">model_storage.h:181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a2a9fcbe11984bc3ed7b823442e510daf"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2a9fcbe11984bc3ed7b823442e510daf">operations_research::math_opt::ModelStorage::set_variable_as_continuous</a></div><div class="ttdeci">void set_variable_as_continuous(VariableId id)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00755">model_storage.h:755</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a2c5977ec712e2c0a2b3eae8f35758eec"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2c5977ec712e2c0a2b3eae8f35758eec">operations_research::math_opt::ModelStorage::linear_objective_coefficient</a></div><div class="ttdeci">double linear_objective_coefficient(VariableId variable) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00914">model_storage.h:914</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a2e6856997ce83e9841705b40d7fc626c"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a2e6856997ce83e9841705b40d7fc626c">operations_research::math_opt::ModelStorage::num_linear_constraints</a></div><div class="ttdeci">int num_linear_constraints() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00818">model_storage.h:818</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a30e9766ac7cab4f98ac1dab04006cb85"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a30e9766ac7cab4f98ac1dab04006cb85">operations_research::math_opt::ModelStorage::FromModelProto</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< ModelStorage > > FromModelProto(const ModelProto &model_proto)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00148">model_storage.cc:148</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a312154deac76051cb49fca9381fae41f"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a312154deac76051cb49fca9381fae41f">operations_research::math_opt::ModelStorage::SortedLinearObjectiveNonzeroVariables</a></div><div class="ttdeci">std::vector< VariableId > SortedLinearObjectiveNonzeroVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00398">model_storage.cc:398</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a3ddc996c67fe0a2aad20b724fd800128"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a3ddc996c67fe0a2aad20b724fd800128">operations_research::math_opt::ModelStorage::linear_constraint_coefficient</a></div><div class="ttdeci">double linear_constraint_coefficient(LinearConstraintId constraint, VariableId variable) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00834">model_storage.h:834</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a40f5d96de187737d854c193cb24b77d2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a40f5d96de187737d854c193cb24b77d2">operations_research::math_opt::ModelStorage::DeleteLinearConstraint</a></div><div class="ttdeci">void DeleteLinearConstraint(LinearConstraintId id)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00369">model_storage.cc:369</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a41e65f404be4194aa05001eeccb35e25"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a41e65f404be4194aa05001eeccb35e25">operations_research::math_opt::ModelStorage::set_linear_objective_coefficient</a></div><div class="ttdeci">void set_linear_objective_coefficient(VariableId variable, double value)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00954">model_storage.h:954</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a577ce80ebfcd851873edc1f222c091a6"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a577ce80ebfcd851873edc1f222c091a6">operations_research::math_opt::ModelStorage::linear_constraint_matrix</a></div><div class="ttdeci">const absl::flat_hash_map< std::pair< LinearConstraintId, VariableId >, double > & linear_constraint_matrix() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00881">model_storage.h:881</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a59489761076782fbdc38b652f5a18e3b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a59489761076782fbdc38b652f5a18e3b">operations_research::math_opt::ModelStorage::DeleteUpdateTracker</a></div><div class="ttdeci">void DeleteUpdateTracker(UpdateTrackerId update_tracker)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00695">model_storage.cc:695</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a5f3a8a03f482c425defc0907feb6ec03"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a5f3a8a03f482c425defc0907feb6ec03">operations_research::math_opt::ModelStorage::variables</a></div><div class="ttdeci">std::vector< VariableId > variables() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00322">model_storage.cc:322</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a654012838537996fe87e8896bfbe4e89"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a654012838537996fe87e8896bfbe4e89">operations_research::math_opt::ModelStorage::quadratic_objective</a></div><div class="ttdeci">const absl::flat_hash_map< std::pair< VariableId, VariableId >, double > & quadratic_objective() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l01027">model_storage.h:1027</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a663e6fd290b30b948686c43cea697140"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a663e6fd290b30b948686c43cea697140">operations_research::math_opt::ModelStorage::num_variables</a></div><div class="ttdeci">int num_variables() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00759">model_storage.h:759</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a678b766d3d2755e11ea611d010121c33"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a678b766d3d2755e11ea611d010121c33">operations_research::math_opt::ModelStorage::linear_constraint_lower_bound</a></div><div class="ttdeci">double linear_constraint_lower_bound(LinearConstraintId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00776">model_storage.h:776</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a6c5b455e020122fddfe63c4a42b7e81b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6c5b455e020122fddfe63c4a42b7e81b">operations_research::math_opt::ModelStorage::is_quadratic_objective_coefficient_nonzero</a></div><div class="ttdeci">bool is_quadratic_objective_coefficient_nonzero(VariableId first_variable, VariableId second_variable) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00930">model_storage.h:930</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a6f3611559b9d19eb580c5768c963bd99"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6f3611559b9d19eb580c5768c963bd99">operations_research::math_opt::ModelStorage::objective_offset</a></div><div class="ttdeci">double objective_offset() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00912">model_storage.h:912</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a6fe160b6ed748c18a4da3df43bee03d0"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a6fe160b6ed748c18a4da3df43bee03d0">operations_research::math_opt::ModelStorage::ModelStorage</a></div><div class="ttdeci">ModelStorage(absl::string_view name="")</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00168">model_storage.h:168</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a72d0f15f1d26ee64b25a14bbe359ea52"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a72d0f15f1d26ee64b25a14bbe359ea52">operations_research::math_opt::ModelStorage::set_minimize</a></div><div class="ttdeci">void set_minimize()</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00945">model_storage.h:945</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a735ce45a5a18153e276fb6199e2d99b3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a735ce45a5a18153e276fb6199e2d99b3">operations_research::math_opt::ModelStorage::ApplyUpdateProto</a></div><div class="ttdeci">absl::Status ApplyUpdateProto(const ModelUpdateProto &update_proto)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00804">model_storage.cc:804</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a73b03874d78f664a43ffc1ddff06f25a"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a73b03874d78f664a43ffc1ddff06f25a">operations_research::math_opt::ModelStorage::set_maximize</a></div><div class="ttdeci">void set_maximize()</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00943">model_storage.h:943</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a75b53ec57a9d873ce66cd0f6e9cce11b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a75b53ec57a9d873ce66cd0f6e9cce11b">operations_research::math_opt::ModelStorage::ExportModelUpdate</a></div><div class="ttdeci">std::optional< ModelUpdateProto > ExportModelUpdate(UpdateTrackerId update_tracker)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00703">model_storage.cc:703</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a773cd96209ac3afb1256dc1852f93ae7"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a773cd96209ac3afb1256dc1852f93ae7">operations_research::math_opt::ModelStorage::set_linear_constraint_coefficient</a></div><div class="ttdeci">void set_linear_constraint_coefficient(LinearConstraintId constraint, VariableId variable, double value)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00845">model_storage.h:845</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a7f61878db357c5e54364c258b84bd60f"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a7f61878db357c5e54364c258b84bd60f">operations_research::math_opt::ModelStorage::AddVariable</a></div><div class="ttdeci">VariableId AddVariable(absl::string_view name="")</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00699">model_storage.h:699</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a8b7e8f68d99ed66ed60614875c4b2880"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8b7e8f68d99ed66ed60614875c4b2880">operations_research::math_opt::ModelStorage::set_variable_upper_bound</a></div><div class="ttdeci">void set_variable_upper_bound(VariableId id, double upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00739">model_storage.h:739</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a8d14c94eacaa39871160000543832ecb"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a8d14c94eacaa39871160000543832ecb">operations_research::math_opt::ModelStorage::set_variable_is_integer</a></div><div class="ttdeci">void set_variable_is_integer(VariableId id, bool is_integer)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00745">model_storage.h:745</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a908e89788fc911467d3f144d838e33b0"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a908e89788fc911467d3f144d838e33b0">operations_research::math_opt::ModelStorage::has_linear_constraint</a></div><div class="ttdeci">bool has_linear_constraint(LinearConstraintId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00826">model_storage.h:826</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a951be66a353471d5bf33d85fdab39ad4"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a951be66a353471d5bf33d85fdab39ad4">operations_research::math_opt::ModelStorage::variable_name</a></div><div class="ttdeci">const std::string & variable_name(VariableId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00716">model_storage.h:716</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_a9aebaa9ad5f54c82a0fc2a254a047c77"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#a9aebaa9ad5f54c82a0fc2a254a047c77">operations_research::math_opt::ModelStorage::variables_in_linear_constraint</a></div><div class="ttdeci">const absl::flat_hash_set< VariableId > & variables_in_linear_constraint(LinearConstraintId constraint)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00886">model_storage.h:886</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_aa15cd4cfdde4ce3435ec28405bf1034f"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#aa15cd4cfdde4ce3435ec28405bf1034f">operations_research::math_opt::ModelStorage::set_linear_constraint_upper_bound</a></div><div class="ttdeci">void set_linear_constraint_upper_bound(LinearConstraintId id, double upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00811">model_storage.h:811</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_aa850c403983019f6676dda010d9ac3a5"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#aa850c403983019f6676dda010d9ac3a5">operations_research::math_opt::ModelStorage::ExportModel</a></div><div class="ttdeci">ModelProto ExportModel() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00423">model_storage.cc:423</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_aab068699099bdffd5c834f440cdc7e51"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#aab068699099bdffd5c834f440cdc7e51">operations_research::math_opt::ModelStorage::is_maximize</a></div><div class="ttdeci">bool is_maximize() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00910">model_storage.h:910</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_aac14e3da1270fcaf51ea5a2ae9083780"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#aac14e3da1270fcaf51ea5a2ae9083780">operations_research::math_opt::ModelStorage::NewUpdateTracker</a></div><div class="ttdeci">UpdateTrackerId NewUpdateTracker()</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00680">model_storage.cc:680</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_aafbe56ff1eada47dff1b4626d455498f"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#aafbe56ff1eada47dff1b4626d455498f">operations_research::math_opt::ModelStorage::set_is_maximize</a></div><div class="ttdeci">void set_is_maximize(bool is_maximize)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00936">model_storage.h:936</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ab257153b8b1cd7bd41dd1f3e85348e69"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab257153b8b1cd7bd41dd1f3e85348e69">operations_research::math_opt::ModelStorage::Checkpoint</a></div><div class="ttdeci">void Checkpoint(UpdateTrackerId update_tracker)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00774">model_storage.cc:774</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ab262573f05db18aa3c2f7d56d0e859e8"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab262573f05db18aa3c2f7d56d0e859e8">operations_research::math_opt::ModelStorage::quadratic_objective_coefficient</a></div><div class="ttdeci">double quadratic_objective_coefficient(VariableId first_variable, VariableId second_variable) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00918">model_storage.h:918</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ab5a7ada8537138e3b7e87075386d9439"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab5a7ada8537138e3b7e87075386d9439">operations_research::math_opt::ModelStorage::set_linear_constraint_lower_bound</a></div><div class="ttdeci">void set_linear_constraint_lower_bound(LinearConstraintId id, double lower_bound)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00804">model_storage.h:804</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ab813923adfbb357bceab924ab4c5d742"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab813923adfbb357bceab924ab4c5d742">operations_research::math_opt::ModelStorage::next_variable_id</a></div><div class="ttdeci">VariableId next_variable_id() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00761">model_storage.h:761</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ab992747a7ee98bacfe6f73613de541b2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ab992747a7ee98bacfe6f73613de541b2">operations_research::math_opt::ModelStorage::linear_constraint_upper_bound</a></div><div class="ttdeci">double linear_constraint_upper_bound(LinearConstraintId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00781">model_storage.h:781</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_abd0176483a997273d9fd7b74e890605c"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#abd0176483a997273d9fd7b74e890605c">operations_research::math_opt::ModelStorage::set_variable_as_integer</a></div><div class="ttdeci">void set_variable_as_integer(VariableId id)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00751">model_storage.h:751</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ac6312f744075f29a4f5739fbd98c7a73"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ac6312f744075f29a4f5739fbd98c7a73">operations_research::math_opt::ModelStorage::has_variable</a></div><div class="ttdeci">bool has_variable(VariableId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00763">model_storage.h:763</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_acd8f6753d8160e2feb3f353502770fd1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#acd8f6753d8160e2feb3f353502770fd1">operations_research::math_opt::ModelStorage::ModelStorage</a></div><div class="ttdeci">ModelStorage(const ModelStorage &)=delete</div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ace96d5ed500bd169dbacbe5cbfb0e5fa"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ace96d5ed500bd169dbacbe5cbfb0e5fa">operations_research::math_opt::ModelStorage::variable_lower_bound</a></div><div class="ttdeci">double variable_lower_bound(VariableId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00704">model_storage.h:704</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ad97af219ab4d62c806c052848a69dab3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ad97af219ab4d62c806c052848a69dab3">operations_research::math_opt::ModelStorage::clear_objective</a></div><div class="ttdeci">void clear_objective()</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l01009">model_storage.h:1009</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_add994b6faee2e4288a89a3dd0a449366"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#add994b6faee2e4288a89a3dd0a449366">operations_research::math_opt::ModelStorage::linear_constraints_with_variable</a></div><div class="ttdeci">const absl::flat_hash_set< LinearConstraintId > & linear_constraints_with_variable(VariableId variable)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00892">model_storage.h:892</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_adff992b38df40ed44a9815cceaf56ef8"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#adff992b38df40ed44a9815cceaf56ef8">operations_research::math_opt::ModelStorage::is_linear_constraint_coefficient_nonzero</a></div><div class="ttdeci">bool is_linear_constraint_coefficient_nonzero(LinearConstraintId constraint, VariableId variable) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00840">model_storage.h:840</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ae29f4ebc12f1b4a3b412896721258884"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae29f4ebc12f1b4a3b412896721258884">operations_research::math_opt::ModelStorage::is_variable_integer</a></div><div class="ttdeci">bool is_variable_integer(VariableId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00712">model_storage.h:712</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_ae39ae31dc0210e088bef7f4a4160e934"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#ae39ae31dc0210e088bef7f4a4160e934">operations_research::math_opt::ModelStorage::linear_constraint_name</a></div><div class="ttdeci">const std::string & linear_constraint_name(LinearConstraintId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00786">model_storage.h:786</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_aebbe142c6b95fa15fb4b5c6933db7fb1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#aebbe142c6b95fa15fb4b5c6933db7fb1">operations_research::math_opt::ModelStorage::Clone</a></div><div class="ttdeci">std::unique_ptr< ModelStorage > Clone() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00207">model_storage.cc:207</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_aef798fd853e39de45ca855559f0df129"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#aef798fd853e39de45ca855559f0df129">operations_research::math_opt::ModelStorage::AddLinearConstraint</a></div><div class="ttdeci">LinearConstraintId AddLinearConstraint(absl::string_view name="")</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00771">model_storage.h:771</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_af52714c03a37c64cbb23fd5e75633585"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#af52714c03a37c64cbb23fd5e75633585">operations_research::math_opt::ModelStorage::linear_objective</a></div><div class="ttdeci">const absl::flat_hash_map< VariableId, double > & linear_objective() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l01021">model_storage.h:1021</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_af6af3777993dc125c5d4a46b5eee7575"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#af6af3777993dc125c5d4a46b5eee7575">operations_research::math_opt::ModelStorage::SortedLinearConstraints</a></div><div class="ttdeci">std::vector< LinearConstraintId > SortedLinearConstraints() const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8cc_source.html#l00394">model_storage.cc:394</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_af7dffb7e1f4e3d519182f1c934ae1df2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#af7dffb7e1f4e3d519182f1c934ae1df2">operations_research::math_opt::ModelStorage::is_linear_objective_coefficient_nonzero</a></div><div class="ttdeci">bool is_linear_objective_coefficient_nonzero(VariableId variable) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00925">model_storage.h:925</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_af9f0a1df84497a30f45bbe6ab8bec513"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#af9f0a1df84497a30f45bbe6ab8bec513">operations_research::math_opt::ModelStorage::variable_upper_bound</a></div><div class="ttdeci">double variable_upper_bound(VariableId id) const</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00708">model_storage.h:708</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_afcf6f4df35f57bfbd8de6a4974038bd7"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#afcf6f4df35f57bfbd8de6a4974038bd7">operations_research::math_opt::ModelStorage::set_variable_lower_bound</a></div><div class="ttdeci">void set_variable_lower_bound(VariableId id, double lower_bound)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00733">model_storage.h:733</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html_afe1e374f83d18136957c73fcaf399ba7"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html#afe1e374f83d18136957c73fcaf399ba7">operations_research::math_opt::ModelStorage::set_objective_offset</a></div><div class="ttdeci">void set_objective_offset(double value)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00947">model_storage.h:947</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a></div><div class="ttdeci">int64_t b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00047">constraint_solver/table.cc:47</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a></div><div class="ttdeci">int64_t a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00046">constraint_solver/table.cc:46</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a6ac76d8a372013f67c4973012948ec84"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a></div><div class="ttdeci">CpModelProto const * model_proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02048">cp_model_solver.cc:2048</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="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_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="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="anamespaceabsl_html"><div class="ttname"><a href="namespaceabsl.html">absl</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00022">cleanup.h:22</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="anamespaceinternal_html"><div class="ttname"><a href="namespaceinternal.html">internal</a></div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8h_source.html#l00138">connected_components.h:138</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_a9d1544d64091496b638faf3cea76dc0e"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9d1544d64091496b638faf3cea76dc0e">operations_research::math_opt::internal::MakeOrderedPair</a></div><div class="ttdeci">std::pair< VariableId, VariableId > MakeOrderedPair(const VariableId a, const VariableId b)</div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00903">model_storage.h:903</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_aad0b29722768901e1373e897ca747dc4"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#aad0b29722768901e1373e897ca747dc4">operations_research::math_opt::DEFINE_STRONG_INT_TYPE</a></div><div class="ttdeci">DEFINE_STRONG_INT_TYPE(VariableId, int64_t)</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="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="astrong__int_8h_html"><div class="ttname"><a href="strong__int_8h.html">strong_int.h</a></div></div>
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