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<div class="title">scip_callback.h</div> </div>
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<a href="scip__callback_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 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See go/scip-callbacks for documentation.</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// This file provides a simplified C++ API for using callbacks with SCIP and</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// MPSolver. It can be used directly by users, although in most cases, the</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// mp_callback.h should be sufficient (in fact, SCIP's mp_callback.h</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// implementation is built on top of this). See also go/mpsolver-callbacks.</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef OR_TOOLS_LINEAR_SOLVER_SCIP_CALLBACK_H_</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define OR_TOOLS_LINEAR_SOLVER_SCIP_CALLBACK_H_</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="linear__expr_8h.html">ortools/linear_solver/linear_expr.h</a>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="linear__solver_8h.html">ortools/linear_solver/linear_solver.h</a>"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "scip/scip_sol.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "scip/type_cons.h"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "scip/type_scip.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "scip/type_sol.h"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "scip/type_var.h"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// See https://scip.zib.de/doc-6.0.2/html/CONS.php#CONS_PROPERTIES for details.</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// For member below, the corresponding SCIP constraint handler property name is</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// provided.</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// TODO(user): no effort has been made to optimize the default values of</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// enforcement_priority, feasibility_check_priority, eager_frequency, or</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// separation_priority.</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html"> 45</a></span> <span class="keyword">struct </span><a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html">ScipConstraintHandlerDescription</a> {</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// See CONSHDLR_NAME in SCIP documentation above.</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#a9b45b3e13bd9167aab02e17e08916231"> 47</a></span>  std::string <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a9b45b3e13bd9167aab02e17e08916231">name</a>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// See CONSHDLR_DESC in SCIP documentation above.</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#a2e1454f6988673f814408646edaeb320"> 50</a></span>  std::string <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a2e1454f6988673f814408646edaeb320">description</a>;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// See CONSHDLR_ENFOPRIORITY in the SCIP documentation above. Determines the</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// order this constraint class is checked at each LP node.</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// WARNING(rander): Assumed that enforcement_priority < 0. (This enforcement</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// runs after integrality enforcement, so CONSENFOLP always runs on integral</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// solutions.)</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#a6b848ab8a0b7aadfdd9642480f0a4c0c"> 58</a></span>  <span class="keywordtype">int</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a6b848ab8a0b7aadfdd9642480f0a4c0c">enforcement_priority</a> = -100;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// See CONSHDLR_CHECKPRIORITY: in the SCIP documentation above. Determines the</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// order this constraint class runs in when testing solution feasibility.</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// WARNING(rander): Assumed that feasibility_check_priority < 0. (This check</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// runs after the integrality check, so CONSCHECK always runs on integral</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// solutions.)</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#a77e539e915f4766aa06e317c039e9862"> 66</a></span>  <span class="keywordtype">int</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a77e539e915f4766aa06e317c039e9862">feasibility_check_priority</a> = -100;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// See CONSHDLR_EAGERFREQ in SCIP documentation above.</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#a57de9488954f41d5a072e36f243dbe7c"> 69</a></span>  <span class="keywordtype">int</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a57de9488954f41d5a072e36f243dbe7c">eager_frequency</a> = 10;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// See CONSHDLR_NEEDSCONS in SCIP documentation above.</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#a52dfcdf1d75a8f419c22a5f5bc1be393"> 72</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a52dfcdf1d75a8f419c22a5f5bc1be393">needs_constraints</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// See CONSHDLR_SEPAPRIORITY in SCIP documentation above. Determines the</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// order this constraint class runs in the cut loop.</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#af20c5ab8632b94b24e815e17c589d98a"> 76</a></span>  <span class="keywordtype">int</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#af20c5ab8632b94b24e815e17c589d98a">separation_priority</a> = 100;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// See CONSHDLR_SEPAFREQ in the SCIP documentation above.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_constraint_handler_description.html#a10c26ed6effad6148d767b5231471d4b"> 79</a></span>  <span class="keywordtype">int</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a10c26ed6effad6148d767b5231471d4b">separation_frequency</a> = 1;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> };</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
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<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_context.html"> 82</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a> {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// A value of nullptr for solution means to use the current LP solution.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#a55640ec713a214d62de2eb172cb22590">ScipConstraintHandlerContext</a>(SCIP* <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#ade8ed1c5d3cc0215dfce39a5287e44d4">scip</a>, SCIP_SOL* solution,</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#ae2bd8b9f0e49b121fe142dc28dc4894f">is_pseudo_solution</a>);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#a4a1bfdb9483ad4c428b481bd6111a357">VariableValue</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#a0554fb4270d4c80c79751d915ca96ae1">CurrentNodeId</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#a71b0c1cb4f7aba946afd2cddc8ac582d">NumNodesProcessed</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_context.html#ade8ed1c5d3cc0215dfce39a5287e44d4"> 92</a></span>  SCIP* <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#ade8ed1c5d3cc0215dfce39a5287e44d4">scip</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> scip_; }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Pseudo solutions may not be LP feasible. Duals/reduced costs are not</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// available (the LP solver failed at this node).</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// Do not add "user cuts" here (that strengthen LP solution but don't change</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// feasible region), add only "lazy constraints" (cut off integer solutions).</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// TODO(user): maybe this can be abstracted away.</span></div>
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<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler_context.html#ae2bd8b9f0e49b121fe142dc28dc4894f"> 101</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html#ae2bd8b9f0e49b121fe142dc28dc4894f">is_pseudo_solution</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> is_pseudo_solution_; }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  SCIP* scip_;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  SCIP_SOL* solution_;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">bool</span> is_pseudo_solution_;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> };</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_callback_range_constraint.html"> 109</a></span> <span class="keyword">struct </span><a class="code" href="structoperations__research_1_1_callback_range_constraint.html">CallbackRangeConstraint</a> {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_callback_range_constraint.html#a7508057c4a77634d05a75d72a82fac1b"> 110</a></span>  <a class="code" href="classoperations__research_1_1_linear_range.html">LinearRange</a> <a class="code" href="structoperations__research_1_1_callback_range_constraint.html#a7508057c4a77634d05a75d72a82fac1b">range</a>;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_callback_range_constraint.html#aee8f5df15f0ef2fcbdfc34346856c254"> 111</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_callback_range_constraint.html#aee8f5df15f0ef2fcbdfc34346856c254">is_cut</a> = <span class="keyword">false</span>; <span class="comment">// Does not remove any integer points.</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_callback_range_constraint.html#a9b45b3e13bd9167aab02e17e08916231"> 112</a></span>  std::string <a class="code" href="structoperations__research_1_1_callback_range_constraint.html#a9b45b3e13bd9167aab02e17e08916231">name</a>; <span class="comment">// can be empty</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_callback_range_constraint.html#af6a258d8f3ee5206d682d799316314b1"> 113</a></span>  <span class="keywordtype">bool</span> local = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> };</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// See go/scip-callbacks for additional documentation.</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Constra<span class="keywordtype">int</span>></div>
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<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html"> 118</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler</a> {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html#a6871caf79241d57353e82fd24b62bc88"> 120</a></span>  <span class="keyword">explicit</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a6871caf79241d57353e82fd24b62bc88">ScipConstraintHandler</a>(</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html">ScipConstraintHandlerDescription</a>& <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#abb64bb68f9b8b585c864eaea23843b96">description</a>)</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  : description_(<a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#abb64bb68f9b8b585c864eaea23843b96">description</a>) {}</div>
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<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html#a7a3d07a6c3ac0012d44a5074412704e2"> 123</a></span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a7a3d07a6c3ac0012d44a5074412704e2">~ScipConstraintHandler</a>() {}</div>
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<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html#abb64bb68f9b8b585c864eaea23843b96"> 124</a></span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html">ScipConstraintHandlerDescription</a>& <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#abb64bb68f9b8b585c864eaea23843b96">description</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> description_;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Unless SeparateIntegerSolution() below is overridden, this must find a</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// violated lazy constraint if one exists when given an integral solution.</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html#a633e91e3173930197397b26d283feca3"> 130</a></span>  <span class="keyword">virtual</span> std::vector<CallbackRangeConstraint> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a633e91e3173930197397b26d283feca3">SeparateFractionalSolution</a>(</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_constraint.html">Constraint</a>& constraint) = 0;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// This MUST find a violated lazy constraint if one exists.</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// All constraints returned must have is_cut as false.</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html#aa9c322601f32b352d8687886196a0512"> 136</a></span>  <span class="keyword">virtual</span> std::vector<CallbackRangeConstraint> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#aa9c322601f32b352d8687886196a0512">SeparateIntegerSolution</a>(</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_constraint.html">Constraint</a>& constraint) {</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a633e91e3173930197397b26d283feca3">SeparateFractionalSolution</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, constraint);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// Returns true if no constraints are violated.</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html#a4768b8ea5a30337e8f1eee547873a232"> 143</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a4768b8ea5a30337e8f1eee547873a232">FractionalSolutionFeasible</a>(</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_constraint.html">Constraint</a>& constraint) {</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a633e91e3173930197397b26d283feca3">SeparateFractionalSolution</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, constraint).empty();</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// This MUST find a violated constraint if one exists.</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_scip_constraint_handler.html#a142ee7d50d02a3c9070c37751a3170fe"> 150</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a142ee7d50d02a3c9070c37751a3170fe">IntegerSolutionFeasible</a>(</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_constraint.html">Constraint</a>& constraint) {</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#aa9c322601f32b352d8687886196a0512">SeparateIntegerSolution</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, constraint).empty();</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html">ScipConstraintHandlerDescription</a> description_;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> };</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// handler is not owned but held.</span></div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Constra<span class="keywordtype">int</span>></div>
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<div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a98ab427e137bf11812800b7b8dea300f"> 162</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#a98ab427e137bf11812800b7b8dea300f">RegisterConstraintHandler</a>(<a class="code" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler<Constraint></a>* handler,</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  SCIP* scip);</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
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<div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html"> 165</a></span> <span class="keyword">struct </span><a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html">ScipCallbackConstraintOptions</a> {</div>
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<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#aa87a85dc3f3ab85f078e036a4c9e8a66"> 166</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#aa87a85dc3f3ab85f078e036a4c9e8a66">initial</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#a62f216dcd76e89d9009c5eb9a436bdf1"> 167</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#a62f216dcd76e89d9009c5eb9a436bdf1">separate</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#ab2c4dc79e21a75f205d49d9f9e5133a7"> 168</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#ab2c4dc79e21a75f205d49d9f9e5133a7">enforce</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#a08e5d4acf3bed996e35f8c4354412bcf"> 169</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#a08e5d4acf3bed996e35f8c4354412bcf">check</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#a9ad8871a886a207356c7d4a3527a19e6"> 170</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#a9ad8871a886a207356c7d4a3527a19e6">propagate</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#af6a258d8f3ee5206d682d799316314b1"> 171</a></span>  <span class="keywordtype">bool</span> local = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#a883ae210392142bdc0c07032eb0fc0d4"> 172</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#a883ae210392142bdc0c07032eb0fc0d4">modifiable</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#a8fcad9320dc8957d766ebf5a5293450e"> 173</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#a8fcad9320dc8957d766ebf5a5293450e">dynamic</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#a0d5a29925a9355418d112e7a0c538a73"> 174</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#a0d5a29925a9355418d112e7a0c538a73">removable</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_scip_callback_constraint_options.html#a6eebf3db5020da0d44ea8bc5ef593733"> 175</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html#a6eebf3db5020da0d44ea8bc5ef593733">stickingatnodes</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> };</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// constraint_data is not owned but held.</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Constra<span class="keywordtype">int</span>Data></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#adbc02a676e4905454320811024feb661">AddCallbackConstraint</a>(SCIP* scip,</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler<ConstraintData></a>* handler,</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">const</span> std::string& constraint_name,</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">const</span> ConstraintData* constraint_data,</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html">ScipCallbackConstraintOptions</a>& options);</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// Implementation details, here and below.</span></div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  </div>
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<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html"> 190</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html">ScipCallbackRunner</a> {</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a6649bc920eb9ae9eaca0dc6ccaa3dfa9"> 192</a></span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a6649bc920eb9ae9eaca0dc6ccaa3dfa9">~ScipCallbackRunner</a>() {}</div>
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<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a79077a10c91562d77a9c8aa4a9d89662"> 193</a></span>  <span class="keyword">virtual</span> std::vector<CallbackRangeConstraint> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a79077a10c91562d77a9c8aa4a9d89662">SeparateFractionalSolution</a>(</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keywordtype">void</span>* constraint) = 0;</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  </div>
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<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#ae28ddf62c1861e4db4152412292a6238"> 196</a></span>  <span class="keyword">virtual</span> std::vector<CallbackRangeConstraint> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#ae28ddf62c1861e4db4152412292a6238">SeparateIntegerSolution</a>(</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keywordtype">void</span>* constraint) = 0;</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div>
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<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a627efaf14fa7d59151170256e8d2ddc8"> 199</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a627efaf14fa7d59151170256e8d2ddc8">FractionalSolutionFeasible</a>(</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keywordtype">void</span>* constraint) = 0;</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
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<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a281a6d8fac497e751432b90428498117"> 202</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a281a6d8fac497e751432b90428498117">IntegerSolutionFeasible</a>(</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <span class="keywordtype">void</span>* constraint) = 0;</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> };</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Constra<span class="keywordtype">int</span>Data></div>
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<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html"> 207</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html">ScipCallbackRunnerImpl</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner.html">ScipCallbackRunner</a> {</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a8c27f3fe9aaa0bf5b05f8bb7d74aac20"> 209</a></span>  <span class="keyword">explicit</span> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a8c27f3fe9aaa0bf5b05f8bb7d74aac20">ScipCallbackRunnerImpl</a>(</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler<ConstraintData></a>* handler)</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  : handler_(handler) {}</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
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<div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a47c4d2b081e5ad5f7880933a42865702"> 213</a></span>  std::vector<CallbackRangeConstraint> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a47c4d2b081e5ad5f7880933a42865702">SeparateFractionalSolution</a>(</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">void</span>* constraint_data)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> handler_-><a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a633e91e3173930197397b26d283feca3">SeparateFractionalSolution</a>(</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, *<span class="keyword">static_cast<</span>ConstraintData*<span class="keyword">></span>(constraint_data));</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
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<div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a65f3f998da3d805cb604bcd0b97453f5"> 220</a></span>  std::vector<CallbackRangeConstraint> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a65f3f998da3d805cb604bcd0b97453f5">SeparateIntegerSolution</a>(</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">void</span>* constraint_data)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">return</span> handler_-><a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#aa9c322601f32b352d8687886196a0512">SeparateIntegerSolution</a>(</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, *<span class="keyword">static_cast<</span>ConstraintData*<span class="keyword">></span>(constraint_data));</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
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<div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a978d9f861f42bf737a2818a449f0a17a"> 227</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a978d9f861f42bf737a2818a449f0a17a">FractionalSolutionFeasible</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">void</span>* constraint_data)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> handler_-><a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a4768b8ea5a30337e8f1eee547873a232">FractionalSolutionFeasible</a>(</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, *<span class="keyword">static_cast<</span>ConstraintData*<span class="keyword">></span>(constraint_data));</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
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<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#aa007248c795a71b1bc232c4a4968a3bf"> 233</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#aa007248c795a71b1bc232c4a4968a3bf">IntegerSolutionFeasible</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_scip_constraint_handler_context.html">ScipConstraintHandlerContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">void</span>* constraint_data)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> handler_-><a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#a142ee7d50d02a3c9070c37751a3170fe">IntegerSolutionFeasible</a>(</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, *<span class="keyword">static_cast<</span>ConstraintData*<span class="keyword">></span>(constraint_data));</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  </div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler<ConstraintData></a>* handler_;</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> };</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1internal.html#a10baa8a53114ab362a572d8efe116194">AddConstraintHandlerImpl</a>(</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html">ScipConstraintHandlerDescription</a>& description,</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  std::unique_ptr<ScipCallbackRunner> runner, SCIP* scip);</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1internal.html#a20b664d7fac2a352aab8819d35f3f868">AddCallbackConstraintImpl</a>(SCIP* scip, <span class="keyword">const</span> std::string& handler_name,</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">const</span> std::string& constraint_name,</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">void</span>* constraint_data,</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html">ScipCallbackConstraintOptions</a>& options);</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> } <span class="comment">// namespace internal</span></div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Constra<span class="keywordtype">int</span>Data></div>
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<div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#aaa39a48a41523bf962a1610e7e3e703e"> 255</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#a98ab427e137bf11812800b7b8dea300f">RegisterConstraintHandler</a>(<a class="code" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler<ConstraintData></a>* handler,</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  SCIP* scip) {</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="namespaceoperations__research_1_1internal.html#a10baa8a53114ab362a572d8efe116194">internal::AddConstraintHandlerImpl</a>(</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  handler-><a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#abb64bb68f9b8b585c864eaea23843b96">description</a>(),</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  absl::make_unique<<a class="code" href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html">internal::ScipCallbackRunnerImpl<ConstraintData></a>>(</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  handler),</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  scip);</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Constra<span class="keywordtype">int</span>Data></div>
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<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#adbc02a676e4905454320811024feb661"> 265</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#adbc02a676e4905454320811024feb661">AddCallbackConstraint</a>(SCIP* scip,</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="classoperations__research_1_1_scip_constraint_handler.html">ScipConstraintHandler<ConstraintData></a>* handler,</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">const</span> std::string& constraint_name,</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> ConstraintData* constraint_data,</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_scip_callback_constraint_options.html">ScipCallbackConstraintOptions</a>& options) {</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="namespaceoperations__research_1_1internal.html#a20b664d7fac2a352aab8819d35f3f868">internal::AddCallbackConstraintImpl</a>(</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  scip, handler-><a class="code" href="classoperations__research_1_1_scip_constraint_handler.html#abb64bb68f9b8b585c864eaea23843b96">description</a>().<a class="code" href="structoperations__research_1_1_scip_constraint_handler_description.html#a9b45b3e13bd9167aab02e17e08916231">name</a>, constraint_name,</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keyword">static_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(<span class="keyword">const_cast<</span>ConstraintData*<span class="keyword">></span>(constraint_data)),</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  options);</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor">#endif // OR_TOOLS_LINEAR_SOLVER_SCIP_CALLBACK_H_</span></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html">operations_research::ScipConstraintHandler</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00118">scip_callback.h:118</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_impl_html_aa007248c795a71b1bc232c4a4968a3bf"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#aa007248c795a71b1bc232c4a4968a3bf">operations_research::internal::ScipCallbackRunnerImpl::IntegerSolutionFeasible</a></div><div class="ttdeci">bool IntegerSolutionFeasible(const ScipConstraintHandlerContext &context, void *constraint_data) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00233">scip_callback.h:233</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_impl_html_a47c4d2b081e5ad5f7880933a42865702"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a47c4d2b081e5ad5f7880933a42865702">operations_research::internal::ScipCallbackRunnerImpl::SeparateFractionalSolution</a></div><div class="ttdeci">std::vector< CallbackRangeConstraint > SeparateFractionalSolution(const ScipConstraintHandlerContext &context, void *constraint_data) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00213">scip_callback.h:213</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_callback_range_constraint_html_aee8f5df15f0ef2fcbdfc34346856c254"><div class="ttname"><a href="structoperations__research_1_1_callback_range_constraint.html#aee8f5df15f0ef2fcbdfc34346856c254">operations_research::CallbackRangeConstraint::is_cut</a></div><div class="ttdeci">bool is_cut</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00111">scip_callback.h:111</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_a8fcad9320dc8957d766ebf5a5293450e"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#a8fcad9320dc8957d766ebf5a5293450e">operations_research::ScipCallbackConstraintOptions::dynamic</a></div><div class="ttdeci">bool dynamic</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00173">scip_callback.h:173</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html">operations_research::ScipCallbackConstraintOptions</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00165">scip_callback.h:165</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html_a52dfcdf1d75a8f419c22a5f5bc1be393"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#a52dfcdf1d75a8f419c22a5f5bc1be393">operations_research::ScipConstraintHandlerDescription::needs_constraints</a></div><div class="ttdeci">bool needs_constraints</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00072">scip_callback.h:72</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_ae2bd8b9f0e49b121fe142dc28dc4894f"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#ae2bd8b9f0e49b121fe142dc28dc4894f">operations_research::ScipConstraintHandlerContext::is_pseudo_solution</a></div><div class="ttdeci">bool is_pseudo_solution() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00101">scip_callback.h:101</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_impl_html_a8c27f3fe9aaa0bf5b05f8bb7d74aac20"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a8c27f3fe9aaa0bf5b05f8bb7d74aac20">operations_research::internal::ScipCallbackRunnerImpl::ScipCallbackRunnerImpl</a></div><div class="ttdeci">ScipCallbackRunnerImpl(ScipConstraintHandler< ConstraintData > *handler)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00209">scip_callback.h:209</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html_a7a3d07a6c3ac0012d44a5074412704e2"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html#a7a3d07a6c3ac0012d44a5074412704e2">operations_research::ScipConstraintHandler::~ScipConstraintHandler</a></div><div class="ttdeci">virtual ~ScipConstraintHandler()</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00123">scip_callback.h:123</a></div></div>
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<div class="ttc" id="alinear__expr_8h_html"><div class="ttname"><a href="linear__expr_8h.html">linear_expr.h</a></div><div class="ttdoc">This file allows you to write natural code (like a mathematical equation) to model optimization probl...</div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_a9ad8871a886a207356c7d4a3527a19e6"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#a9ad8871a886a207356c7d4a3527a19e6">operations_research::ScipCallbackConstraintOptions::propagate</a></div><div class="ttdeci">bool propagate</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00170">scip_callback.h:170</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</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="astructoperations__research_1_1_scip_constraint_handler_description_html_af20c5ab8632b94b24e815e17c589d98a"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#af20c5ab8632b94b24e815e17c589d98a">operations_research::ScipConstraintHandlerDescription::separation_priority</a></div><div class="ttdeci">int separation_priority</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00076">scip_callback.h:76</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_a08e5d4acf3bed996e35f8c4354412bcf"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#a08e5d4acf3bed996e35f8c4354412bcf">operations_research::ScipCallbackConstraintOptions::check</a></div><div class="ttdeci">bool check</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00169">scip_callback.h:169</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_a55640ec713a214d62de2eb172cb22590"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#a55640ec713a214d62de2eb172cb22590">operations_research::ScipConstraintHandlerContext::ScipConstraintHandlerContext</a></div><div class="ttdeci">ScipConstraintHandlerContext(SCIP *scip, SCIP_SOL *solution, bool is_pseudo_solution)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00069">scip_callback.cc:69</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html_a6871caf79241d57353e82fd24b62bc88"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html#a6871caf79241d57353e82fd24b62bc88">operations_research::ScipConstraintHandler::ScipConstraintHandler</a></div><div class="ttdeci">ScipConstraintHandler(const ScipConstraintHandlerDescription &description)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00120">scip_callback.h:120</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_html_a281a6d8fac497e751432b90428498117"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a281a6d8fac497e751432b90428498117">operations_research::internal::ScipCallbackRunner::IntegerSolutionFeasible</a></div><div class="ttdeci">virtual bool IntegerSolutionFeasible(const ScipConstraintHandlerContext &context, void *constraint)=0</div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6"><div class="ttname"><a href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a></div><div class="ttdeci">GurobiMPCallbackContext * context</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00509">gurobi_interface.cc:509</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_html_a79077a10c91562d77a9c8aa4a9d89662"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a79077a10c91562d77a9c8aa4a9d89662">operations_research::internal::ScipCallbackRunner::SeparateFractionalSolution</a></div><div class="ttdeci">virtual std::vector< CallbackRangeConstraint > SeparateFractionalSolution(const ScipConstraintHandlerContext &context, void *constraint)=0</div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_html_ae28ddf62c1861e4db4152412292a6238"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#ae28ddf62c1861e4db4152412292a6238">operations_research::internal::ScipCallbackRunner::SeparateIntegerSolution</a></div><div class="ttdeci">virtual std::vector< CallbackRangeConstraint > SeparateIntegerSolution(const ScipConstraintHandlerContext &context, void *constraint)=0</div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_a4a1bfdb9483ad4c428b481bd6111a357"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#a4a1bfdb9483ad4c428b481bd6111a357">operations_research::ScipConstraintHandlerContext::VariableValue</a></div><div class="ttdeci">double VariableValue(const MPVariable *variable) const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00075">scip_callback.cc:75</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html_a142ee7d50d02a3c9070c37751a3170fe"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html#a142ee7d50d02a3c9070c37751a3170fe">operations_research::ScipConstraintHandler::IntegerSolutionFeasible</a></div><div class="ttdeci">virtual bool IntegerSolutionFeasible(const ScipConstraintHandlerContext &context, const Constraint &constraint)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00150">scip_callback.h:150</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_ade8ed1c5d3cc0215dfce39a5287e44d4"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#ade8ed1c5d3cc0215dfce39a5287e44d4">operations_research::ScipConstraintHandlerContext::scip</a></div><div class="ttdeci">SCIP * scip() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00092">scip_callback.h:92</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html_a10c26ed6effad6148d767b5231471d4b"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#a10c26ed6effad6148d767b5231471d4b">operations_research::ScipConstraintHandlerDescription::separation_frequency</a></div><div class="ttdeci">int separation_frequency</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00079">scip_callback.h:79</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html_a57de9488954f41d5a072e36f243dbe7c"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#a57de9488954f41d5a072e36f243dbe7c">operations_research::ScipConstraintHandlerDescription::eager_frequency</a></div><div class="ttdeci">int eager_frequency</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00069">scip_callback.h:69</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1internal_html_a20b664d7fac2a352aab8819d35f3f868"><div class="ttname"><a href="namespaceoperations__research_1_1internal.html#a20b664d7fac2a352aab8819d35f3f868">operations_research::internal::AddCallbackConstraintImpl</a></div><div class="ttdeci">void AddCallbackConstraintImpl(SCIP *scip, const std::string &handler_name, const std::string &constraint_name, void *constraint_data, const ScipCallbackConstraintOptions &options)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00433">scip_callback.cc:433</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html_a2e1454f6988673f814408646edaeb320"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#a2e1454f6988673f814408646edaeb320">operations_research::ScipConstraintHandlerDescription::description</a></div><div class="ttdeci">std::string description</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00050">scip_callback.h:50</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_impl_html"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html">operations_research::internal::ScipCallbackRunnerImpl</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00207">scip_callback.h:207</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html">operations_research::ScipConstraintHandlerDescription</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00045">scip_callback.h:45</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html_a4768b8ea5a30337e8f1eee547873a232"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html#a4768b8ea5a30337e8f1eee547873a232">operations_research::ScipConstraintHandler::FractionalSolutionFeasible</a></div><div class="ttdeci">virtual bool FractionalSolutionFeasible(const ScipConstraintHandlerContext &context, const Constraint &constraint)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00143">scip_callback.h:143</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_html_a6649bc920eb9ae9eaca0dc6ccaa3dfa9"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a6649bc920eb9ae9eaca0dc6ccaa3dfa9">operations_research::internal::ScipCallbackRunner::~ScipCallbackRunner</a></div><div class="ttdeci">virtual ~ScipCallbackRunner()</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00192">scip_callback.h:192</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_html"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner.html">operations_research::internal::ScipCallbackRunner</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00190">scip_callback.h:190</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html_a77e539e915f4766aa06e317c039e9862"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#a77e539e915f4766aa06e317c039e9862">operations_research::ScipConstraintHandlerDescription::feasibility_check_priority</a></div><div class="ttdeci">int feasibility_check_priority</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00066">scip_callback.h:66</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_impl_html_a65f3f998da3d805cb604bcd0b97453f5"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a65f3f998da3d805cb604bcd0b97453f5">operations_research::internal::ScipCallbackRunnerImpl::SeparateIntegerSolution</a></div><div class="ttdeci">std::vector< CallbackRangeConstraint > SeparateIntegerSolution(const ScipConstraintHandlerContext &context, void *constraint_data) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00220">scip_callback.h:220</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_a71b0c1cb4f7aba946afd2cddc8ac582d"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#a71b0c1cb4f7aba946afd2cddc8ac582d">operations_research::ScipConstraintHandlerContext::NumNodesProcessed</a></div><div class="ttdeci">int64 NumNodesProcessed() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00080">scip_callback.cc:80</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html_aa9c322601f32b352d8687886196a0512"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html#aa9c322601f32b352d8687886196a0512">operations_research::ScipConstraintHandler::SeparateIntegerSolution</a></div><div class="ttdeci">virtual std::vector< CallbackRangeConstraint > SeparateIntegerSolution(const ScipConstraintHandlerContext &context, const Constraint &constraint)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00136">scip_callback.h:136</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_ab2c4dc79e21a75f205d49d9f9e5133a7"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#ab2c4dc79e21a75f205d49d9f9e5133a7">operations_research::ScipCallbackConstraintOptions::enforce</a></div><div class="ttdeci">bool enforce</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00168">scip_callback.h:168</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_linear_range_html"><div class="ttname"><a href="classoperations__research_1_1_linear_range.html">operations_research::LinearRange</a></div><div class="ttdoc">An expression of the form:</div><div class="ttdef"><b>Definition:</b> <a href="linear__expr_8h_source.html#l00192">linear_expr.h:192</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a98ab427e137bf11812800b7b8dea300f"><div class="ttname"><a href="namespaceoperations__research.html#a98ab427e137bf11812800b7b8dea300f">operations_research::RegisterConstraintHandler</a></div><div class="ttdeci">void RegisterConstraintHandler(ScipConstraintHandler< Constraint > *handler, SCIP *scip)</div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_a62f216dcd76e89d9009c5eb9a436bdf1"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#a62f216dcd76e89d9009c5eb9a436bdf1">operations_research::ScipCallbackConstraintOptions::separate</a></div><div class="ttdeci">bool separate</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00167">scip_callback.h:167</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1internal_html_a10baa8a53114ab362a572d8efe116194"><div class="ttname"><a href="namespaceoperations__research_1_1internal.html#a10baa8a53114ab362a572d8efe116194">operations_research::internal::AddConstraintHandlerImpl</a></div><div class="ttdeci">void AddConstraintHandlerImpl(const ScipConstraintHandlerDescription &description, std::unique_ptr< ScipCallbackRunner > runner, SCIP *scip)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00409">scip_callback.cc:409</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_impl_html_a978d9f861f42bf737a2818a449f0a17a"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner_impl.html#a978d9f861f42bf737a2818a449f0a17a">operations_research::internal::ScipCallbackRunnerImpl::FractionalSolutionFeasible</a></div><div class="ttdeci">bool FractionalSolutionFeasible(const ScipConstraintHandlerContext &context, void *constraint_data) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00227">scip_callback.h:227</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_a883ae210392142bdc0c07032eb0fc0d4"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#a883ae210392142bdc0c07032eb0fc0d4">operations_research::ScipCallbackConstraintOptions::modifiable</a></div><div class="ttdeci">bool modifiable</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00172">scip_callback.h:172</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_aa87a85dc3f3ab85f078e036a4c9e8a66"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#aa87a85dc3f3ab85f078e036a4c9e8a66">operations_research::ScipCallbackConstraintOptions::initial</a></div><div class="ttdeci">bool initial</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00166">scip_callback.h:166</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_constraint_html"><div class="ttname"><a href="classoperations__research_1_1_constraint.html">operations_research::Constraint</a></div><div class="ttdoc">A constraint is the main modeling object.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03579">constraint_solver.h:3579</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html_a633e91e3173930197397b26d283feca3"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html#a633e91e3173930197397b26d283feca3">operations_research::ScipConstraintHandler::SeparateFractionalSolution</a></div><div class="ttdeci">virtual std::vector< CallbackRangeConstraint > SeparateFractionalSolution(const ScipConstraintHandlerContext &context, const Constraint &constraint)=0</div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html_a9b45b3e13bd9167aab02e17e08916231"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#a9b45b3e13bd9167aab02e17e08916231">operations_research::ScipConstraintHandlerDescription::name</a></div><div class="ttdeci">std::string name</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00047">scip_callback.h:47</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_constraint_handler_description_html_a6b848ab8a0b7aadfdd9642480f0a4c0c"><div class="ttname"><a href="structoperations__research_1_1_scip_constraint_handler_description.html#a6b848ab8a0b7aadfdd9642480f0a4c0c">operations_research::ScipConstraintHandlerDescription::enforcement_priority</a></div><div class="ttdeci">int enforcement_priority</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00058">scip_callback.h:58</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_adbc02a676e4905454320811024feb661"><div class="ttname"><a href="namespaceoperations__research.html#adbc02a676e4905454320811024feb661">operations_research::AddCallbackConstraint</a></div><div class="ttdeci">void AddCallbackConstraint(SCIP *scip, ScipConstraintHandler< ConstraintData > *handler, const std::string &constraint_name, const ConstraintData *constraint_data, const ScipCallbackConstraintOptions &options)</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00265">scip_callback.h:265</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_callback_range_constraint_html_a9b45b3e13bd9167aab02e17e08916231"><div class="ttname"><a href="structoperations__research_1_1_callback_range_constraint.html#a9b45b3e13bd9167aab02e17e08916231">operations_research::CallbackRangeConstraint::name</a></div><div class="ttdeci">std::string name</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00112">scip_callback.h:112</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_html_abb64bb68f9b8b585c864eaea23843b96"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler.html#abb64bb68f9b8b585c864eaea23843b96">operations_research::ScipConstraintHandler::description</a></div><div class="ttdeci">const ScipConstraintHandlerDescription & description() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00124">scip_callback.h:124</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_callback_range_constraint_html"><div class="ttname"><a href="structoperations__research_1_1_callback_range_constraint.html">operations_research::CallbackRangeConstraint</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00109">scip_callback.h:109</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_variable_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html">operations_research::MPVariable</a></div><div class="ttdoc">The class for variables of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01052">linear_solver.h:1052</a></div></div>
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<div class="ttc" id="alinear__solver_8h_html"><div class="ttname"><a href="linear__solver_8h.html">linear_solver.h</a></div><div class="ttdoc">A C++ wrapper that provides a simple and unified interface to several linear programming and mixed in...</div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_a6eebf3db5020da0d44ea8bc5ef593733"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#a6eebf3db5020da0d44ea8bc5ef593733">operations_research::ScipCallbackConstraintOptions::stickingatnodes</a></div><div class="ttdeci">bool stickingatnodes</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00175">scip_callback.h:175</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="bop__parameters_8pb_8h_source.html#l00039">bop_parameters.pb.h:39</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1internal_1_1_scip_callback_runner_html_a627efaf14fa7d59151170256e8d2ddc8"><div class="ttname"><a href="classoperations__research_1_1internal_1_1_scip_callback_runner.html#a627efaf14fa7d59151170256e8d2ddc8">operations_research::internal::ScipCallbackRunner::FractionalSolutionFeasible</a></div><div class="ttdeci">virtual bool FractionalSolutionFeasible(const ScipConstraintHandlerContext &context, void *constraint)=0</div></div>
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<div class="ttc" id="astructoperations__research_1_1_callback_range_constraint_html_a7508057c4a77634d05a75d72a82fac1b"><div class="ttname"><a href="structoperations__research_1_1_callback_range_constraint.html#a7508057c4a77634d05a75d72a82fac1b">operations_research::CallbackRangeConstraint::range</a></div><div class="ttdeci">LinearRange range</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00110">scip_callback.h:110</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_scip_callback_constraint_options_html_a0d5a29925a9355418d112e7a0c538a73"><div class="ttname"><a href="structoperations__research_1_1_scip_callback_constraint_options.html#a0d5a29925a9355418d112e7a0c538a73">operations_research::ScipCallbackConstraintOptions::removable</a></div><div class="ttdeci">bool removable</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00174">scip_callback.h:174</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html_a0554fb4270d4c80c79751d915ca96ae1"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html#a0554fb4270d4c80c79751d915ca96ae1">operations_research::ScipConstraintHandlerContext::CurrentNodeId</a></div><div class="ttdeci">int64 CurrentNodeId() const</div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8cc_source.html#l00084">scip_callback.cc:84</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_scip_constraint_handler_context_html"><div class="ttname"><a href="classoperations__research_1_1_scip_constraint_handler_context.html">operations_research::ScipConstraintHandlerContext</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__callback_8h_source.html#l00082">scip_callback.h:82</a></div></div>
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