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<a href="objective_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2021 Google LLC</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// An object oriented wrapper for the linear objective in IndexedModel.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef OR_TOOLS_MATH_OPT_CPP_OBJECTIVE_H_</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define OR_TOOLS_MATH_OPT_CPP_OBJECTIVE_H_</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="indexed__model_8h.html">ortools/math_opt/core/indexed_model.h</a>"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="key__types_8h.html">ortools/math_opt/cpp/key_types.h</a>"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="variable__and__expressions_8h.html">ortools/math_opt/cpp/variable_and_expressions.h</a>"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>math_opt {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// The objective of an optimization problem for an IndexedModel.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">//</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// Objective is a value type and is typically passed by copy.</span></div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html"> 29</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html">Objective</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">inline</span> <span class="keyword">explicit</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ae516356d73ba71fc33b7df6ae3a34f08">Objective</a>(<a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">inline</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// Setting a value to 0.0 will delete the variable from the underlying sparse</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">// representation (and has no effect if the variable is not present).</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a797916626c0ee5dc7e20ac094d934bb8">set_linear_coefficient</a>(<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a> variable, <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">const</span>;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ae25e209fff57daaed33338389bc8d746">is_linear_coefficient_nonzero</a>(<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a> variable) <span class="keyword">const</span>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// Returns 0.0 if this variable has no linear objective coefficient.</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a85a8d7cf84d6ff09e0b423837b8c87c3">linear_coefficient</a>(<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a> variable) <span class="keyword">const</span>;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a966474b4349b5392c82e59fb0dd628d4">set_offset</a>(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">const</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Equivalent to calling set_linear_coefficient(v, 0.0) for every variable</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// with nonzero objective coefficient.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">//</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// Runs in O(#variables with nonzero objective coefficient).</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#adf1d9633e64d0de6a36e0af17ccd8163">clear</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a0f1a1a0c9e78590687c0141c21b30ce4">set_maximize</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ae2673fcf37ccd5fac86102785ed00090">set_minimize</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Prefer set_maximize() and set_minimize() above for more readable code.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a116499b5127824a6d4b1c3df609c7475">set_is_maximize</a>(<span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>) <span class="keyword">const</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#acc68eef3a91ae90848899010d323cac1">Maximize</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_expression.html">LinearExpression</a>& objective) <span class="keyword">const</span>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ade205f7a6c4c48bdee219542ad7da50e">Minimize</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_expression.html">LinearExpression</a>& objective) <span class="keyword">const</span>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ae2f68f2b209c8aa964861d8b6b0dca84">SetObjective</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_expression.html">LinearExpression</a>& objective, <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>) <span class="keyword">const</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a23ea373c17369c65a4338ab5fa2102dc">Add</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_expression.html">LinearExpression</a>& objective_terms) <span class="keyword">const</span>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_expression.html">LinearExpression</a> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a9d1cc18f4ffcdf9ad00c1e61af4eebe0">AsLinearExpression</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* model_;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> };</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// Inline function implementations</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"></span></div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#ae516356d73ba71fc33b7df6ae3a34f08"> 74</a></span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ae516356d73ba71fc33b7df6ae3a34f08">Objective::Objective</a>(<a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <span class="keyword">const</span> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) : model_(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {}</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#a64203ba9d12b2e9827e18cf8e8c30ab2"> 76</a></span> <a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a64203ba9d12b2e9827e18cf8e8c30ab2">Objective::model</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> model_; }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#a797916626c0ee5dc7e20ac094d934bb8"> 78</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a797916626c0ee5dc7e20ac094d934bb8">Objective::set_linear_coefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a> variable,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(variable.<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>(), model_) << <a class="code" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">internal::kObjectsFromOtherIndexedModel</a>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a41e65f404be4194aa05001eeccb35e25">set_linear_objective_coefficient</a>(variable.<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html#afb60247d45f3b1af36cf247ea88ee42f">typed_id</a>(), <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#ae25e209fff57daaed33338389bc8d746"> 83</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ae25e209fff57daaed33338389bc8d746">Objective::is_linear_coefficient_nonzero</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a> variable)<span class="keyword"> const </span>{</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(variable.<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>(), model_) << <a class="code" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">internal::kObjectsFromOtherIndexedModel</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#af7dffb7e1f4e3d519182f1c934ae1df2">is_linear_objective_coefficient_nonzero</a>(variable.<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html#afb60247d45f3b1af36cf247ea88ee42f">typed_id</a>());</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#a85a8d7cf84d6ff09e0b423837b8c87c3"> 87</a></span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a85a8d7cf84d6ff09e0b423837b8c87c3">Objective::linear_coefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a> variable)<span class="keyword"> const </span>{</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(variable.<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>(), model_) << <a class="code" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">internal::kObjectsFromOtherIndexedModel</a>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a2c5977ec712e2c0a2b3eae8f35758eec">linear_objective_coefficient</a>(variable.<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html#afb60247d45f3b1af36cf247ea88ee42f">typed_id</a>());</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#a966474b4349b5392c82e59fb0dd628d4"> 92</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a966474b4349b5392c82e59fb0dd628d4">Objective::set_offset</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#afe1e374f83d18136957c73fcaf399ba7">set_objective_offset</a>(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#a96ffc785b7b2135c7980c985883ffdd3"> 95</a></span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a96ffc785b7b2135c7980c985883ffdd3">Objective::offset</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a6f3611559b9d19eb580c5768c963bd99">objective_offset</a>(); }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#adf1d9633e64d0de6a36e0af17ccd8163"> 97</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#adf1d9633e64d0de6a36e0af17ccd8163">Objective::clear</a>()<span class="keyword"> const </span>{ model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#ad97af219ab4d62c806c052848a69dab3">clear_objective</a>(); }</div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#aab068699099bdffd5c834f440cdc7e51"> 98</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#aab068699099bdffd5c834f440cdc7e51">Objective::is_maximize</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>(); }</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#a116499b5127824a6d4b1c3df609c7475"> 99</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a116499b5127824a6d4b1c3df609c7475">Objective::set_is_maximize</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize)<span class="keyword"> const </span>{</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#aafbe56ff1eada47dff1b4626d455498f">set_is_maximize</a>(<a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#aab068699099bdffd5c834f440cdc7e51">is_maximize</a>);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#a0f1a1a0c9e78590687c0141c21b30ce4"> 102</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#a0f1a1a0c9e78590687c0141c21b30ce4">Objective::set_maximize</a>()<span class="keyword"> const </span>{ model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a73b03874d78f664a43ffc1ddff06f25a">set_maximize</a>(); }</div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_objective.html#ae2673fcf37ccd5fac86102785ed00090"> 103</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_objective.html#ae2673fcf37ccd5fac86102785ed00090">Objective::set_minimize</a>()<span class="keyword"> const </span>{ model_-><a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a72d0f15f1d26ee64b25a14bbe359ea52">set_minimize</a>(); }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> } <span class="comment">// namespace math_opt</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> } <span class="comment">// namespace operations_research</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#endif // OR_TOOLS_MATH_OPT_CPP_OBJECTIVE_H_</span></div><div class="ttc" id="namespaceoperations__research_1_1math__opt_1_1internal_html_a7ab03efcaffe1b5f4ba2b1b5d336f792"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">operations_research::math_opt::internal::kObjectsFromOtherIndexedModel</a></div><div class="ttdeci">constexpr absl::string_view kObjectsFromOtherIndexedModel</div><div class="ttdef"><b>Definition:</b> <a href="key__types_8h_source.html#l00056">key_types.h:56</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_ade205f7a6c4c48bdee219542ad7da50e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#ade205f7a6c4c48bdee219542ad7da50e">operations_research::math_opt::Objective::Minimize</a></div><div class="ttdeci">void Minimize(const LinearExpression &objective) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8cc_source.html#l00029">objective.cc:29</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_a41e65f404be4194aa05001eeccb35e25"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a41e65f404be4194aa05001eeccb35e25">operations_research::math_opt::IndexedModel::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="indexed__model_8h_source.html#l00918">indexed_model.h:918</a></div></div>
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<div class="ttc" id="key__types_8h_html"><div class="ttname"><a href="key__types_8h.html">key_types.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_ad97af219ab4d62c806c052848a69dab3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#ad97af219ab4d62c806c052848a69dab3">operations_research::math_opt::IndexedModel::clear_objective</a></div><div class="ttdeci">void clear_objective()</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00940">indexed_model.h:940</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a0f1a1a0c9e78590687c0141c21b30ce4"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a0f1a1a0c9e78590687c0141c21b30ce4">operations_research::math_opt::Objective::set_maximize</a></div><div class="ttdeci">void set_maximize() const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00102">objective.h:102</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_acc68eef3a91ae90848899010d323cac1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#acc68eef3a91ae90848899010d323cac1">operations_research::math_opt::Objective::Maximize</a></div><div class="ttdeci">void Maximize(const LinearExpression &objective) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8cc_source.html#l00025">objective.cc:25</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_a6f3611559b9d19eb580c5768c963bd99"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a6f3611559b9d19eb580c5768c963bd99">operations_research::math_opt::IndexedModel::objective_offset</a></div><div class="ttdeci">double objective_offset() const</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00889">indexed_model.h:889</a></div></div>
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<div class="ttc" id="gurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00273">gurobi_interface.cc:273</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html">operations_research::math_opt::IndexedModel</a></div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00161">indexed_model.h:161</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_variable_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_variable.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::Variable::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00601">variable_and_expressions.h:601</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_ae2f68f2b209c8aa964861d8b6b0dca84"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#ae2f68f2b209c8aa964861d8b6b0dca84">operations_research::math_opt::Objective::SetObjective</a></div><div class="ttdeci">void SetObjective(const LinearExpression &objective, bool is_maximize) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8cc_source.html#l00033">objective.cc:33</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a116499b5127824a6d4b1c3df609c7475"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a116499b5127824a6d4b1c3df609c7475">operations_research::math_opt::Objective::set_is_maximize</a></div><div class="ttdeci">void set_is_maximize(bool is_maximize) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00099">objective.h:99</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_afe1e374f83d18136957c73fcaf399ba7"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#afe1e374f83d18136957c73fcaf399ba7">operations_research::math_opt::IndexedModel::set_objective_offset</a></div><div class="ttdeci">void set_objective_offset(double value)</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00911">indexed_model.h:911</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a966474b4349b5392c82e59fb0dd628d4"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a966474b4349b5392c82e59fb0dd628d4">operations_research::math_opt::Objective::set_offset</a></div><div class="ttdeci">void set_offset(double value) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00092">objective.h:92</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_adf1d9633e64d0de6a36e0af17ccd8163"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#adf1d9633e64d0de6a36e0af17ccd8163">operations_research::math_opt::Objective::clear</a></div><div class="ttdeci">void clear() const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00097">objective.h:97</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a96ffc785b7b2135c7980c985883ffdd3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a96ffc785b7b2135c7980c985883ffdd3">operations_research::math_opt::Objective::offset</a></div><div class="ttdeci">double offset() const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00095">objective.h:95</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_a72d0f15f1d26ee64b25a14bbe359ea52"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a72d0f15f1d26ee64b25a14bbe359ea52">operations_research::math_opt::IndexedModel::set_minimize</a></div><div class="ttdeci">void set_minimize()</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00909">indexed_model.h:909</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a23ea373c17369c65a4338ab5fa2102dc"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a23ea373c17369c65a4338ab5fa2102dc">operations_research::math_opt::Objective::Add</a></div><div class="ttdeci">void Add(const LinearExpression &objective_terms) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8cc_source.html#l00048">objective.cc:48</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_aab068699099bdffd5c834f440cdc7e51"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#aab068699099bdffd5c834f440cdc7e51">operations_research::math_opt::Objective::is_maximize</a></div><div class="ttdeci">bool is_maximize() const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00098">objective.h:98</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a9d1cc18f4ffcdf9ad00c1e61af4eebe0"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a9d1cc18f4ffcdf9ad00c1e61af4eebe0">operations_research::math_opt::Objective::AsLinearExpression</a></div><div class="ttdeci">LinearExpression AsLinearExpression() const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8cc_source.html#l00062">objective.cc:62</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a797916626c0ee5dc7e20ac094d934bb8"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a797916626c0ee5dc7e20ac094d934bb8">operations_research::math_opt::Objective::set_linear_coefficient</a></div><div class="ttdeci">void set_linear_coefficient(Variable variable, double value) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00078">objective.h:78</a></div></div>
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<div class="ttc" id="indexed__model_8h_html"><div class="ttname"><a href="indexed__model_8h.html">indexed_model.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_a85a8d7cf84d6ff09e0b423837b8c87c3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a85a8d7cf84d6ff09e0b423837b8c87c3">operations_research::math_opt::Objective::linear_coefficient</a></div><div class="ttdeci">double linear_coefficient(Variable variable) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00087">objective.h:87</a></div></div>
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<div class="ttc" id="variable__and__expressions_8h_html"><div class="ttname"><a href="variable__and__expressions_8h.html">variable_and_expressions.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_variable_html_afb60247d45f3b1af36cf247ea88ee42f"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_variable.html#afb60247d45f3b1af36cf247ea88ee42f">operations_research::math_opt::Variable::typed_id</a></div><div class="ttdeci">VariableId typed_id() const</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00599">variable_and_expressions.h:599</a></div></div>
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<div class="ttc" id="base_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00698">base/logging.h:698</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_af7dffb7e1f4e3d519182f1c934ae1df2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#af7dffb7e1f4e3d519182f1c934ae1df2">operations_research::math_opt::IndexedModel::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="indexed__model_8h_source.html#l00895">indexed_model.h:895</a></div></div>
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<div class="ttc" id="base_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_ae25e209fff57daaed33338389bc8d746"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#ae25e209fff57daaed33338389bc8d746">operations_research::math_opt::Objective::is_linear_coefficient_nonzero</a></div><div class="ttdeci">bool is_linear_coefficient_nonzero(Variable variable) const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00083">objective.h:83</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_ae2673fcf37ccd5fac86102785ed00090"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#ae2673fcf37ccd5fac86102785ed00090">operations_research::math_opt::Objective::set_minimize</a></div><div class="ttdeci">void set_minimize() const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00103">objective.h:103</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_a73b03874d78f664a43ffc1ddff06f25a"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a73b03874d78f664a43ffc1ddff06f25a">operations_research::math_opt::IndexedModel::set_maximize</a></div><div class="ttdeci">void set_maximize()</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00907">indexed_model.h:907</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_aab068699099bdffd5c834f440cdc7e51"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#aab068699099bdffd5c834f440cdc7e51">operations_research::math_opt::IndexedModel::is_maximize</a></div><div class="ttdeci">bool is_maximize() const</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00887">indexed_model.h:887</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_aafbe56ff1eada47dff1b4626d455498f"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#aafbe56ff1eada47dff1b4626d455498f">operations_research::math_opt::IndexedModel::set_is_maximize</a></div><div class="ttdeci">void set_is_maximize(bool is_maximize)</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00900">indexed_model.h:900</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_linear_expression_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_linear_expression.html">operations_research::math_opt::LinearExpression</a></div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00180">variable_and_expressions.h:180</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html">operations_research::math_opt::Objective</a></div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00029">objective.h:29</a></div></div>
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<div class="ttc" id="namespaceoperations__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="classoperations__research_1_1math__opt_1_1_objective_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::Objective::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00076">objective.h:76</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_variable_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_variable.html">operations_research::math_opt::Variable</a></div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00101">variable_and_expressions.h:101</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_indexed_model_html_a2c5977ec712e2c0a2b3eae8f35758eec"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html#a2c5977ec712e2c0a2b3eae8f35758eec">operations_research::math_opt::IndexedModel::linear_objective_coefficient</a></div><div class="ttdeci">double linear_objective_coefficient(VariableId variable) const</div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00891">indexed_model.h:891</a></div></div>
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<div class="ttc" id="classoperations__research_1_1math__opt_1_1_objective_html_ae516356d73ba71fc33b7df6ae3a34f08"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_objective.html#ae516356d73ba71fc33b7df6ae3a34f08">operations_research::math_opt::Objective::Objective</a></div><div class="ttdeci">Objective(IndexedModel *model)</div><div class="ttdef"><b>Definition:</b> <a href="objective_8h_source.html#l00074">objective.h:74</a></div></div>
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<div class="ttc" id="demon__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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