318 lines
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318 lines
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<div class="title">cp_constraints.h</div> </div>
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<a href="cp__constraints_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="preprocessor">#ifndef OR_TOOLS_SAT_CP_CONSTRAINTS_H_</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_SAT_CP_CONSTRAINTS_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <functional></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <vector></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">#include "<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="macros_8h.html">ortools/base/macros.h</a>"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="sat_2model_8h.html">ortools/sat/model.h</a>"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="sat__base_8h.html">ortools/sat/sat_base.h</a>"</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="rev_8h.html">ortools/util/rev.h</a>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</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="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>sat {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Propagate the fact that a XOR of literals is equal to the given value.</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// The complexity is in O(n).</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// TODO(user): By using a two watcher mechanism, we can propagate this a lot</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// faster.</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html"> 38</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html">BooleanXorPropagator</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1sat_1_1_propagator_interface.html">PropagatorInterface</a> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#a975fec83c3990ce02f14f3812dafea65"> 40</a></span>  <a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#a975fec83c3990ce02f14f3812dafea65">BooleanXorPropagator</a>(<span class="keyword">const</span> std::vector<Literal>& literals, <span class="keywordtype">bool</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>,</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail, <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>* integer_trail)</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  : literals_(literals),</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  value_(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>),</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  trail_(trail),</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  integer_trail_(integer_trail) {}</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">Propagate</a>() final;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">RegisterWith</a>(<a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>* watcher);</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  private:</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  const std::vector<<a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>> literals_;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  const <span class="keywordtype">bool</span> value_;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::vector<<a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>> literal_reason_;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail_;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>* integer_trail_;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html">BooleanXorPropagator</a>);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> };</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">// If we have:</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// - selectors[i] => (target_var >= vars[i] + offset[i])</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// - and we known that at least one selectors[i] must be true</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// then we can propagate the fact that if no selectors is chosen yet, the lower</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// bound of target_var is greater than the min of the still possible</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// alternatives.</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// This constraint take care of this case when no selectors[i] is chosen yet.</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// This constraint support duplicate selectors.</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html"> 70</a></span> class <a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">GreaterThanAtLeastOneOfPropagator</a> : public <a class="code" href="classoperations__research_1_1sat_1_1_propagator_interface.html">PropagatorInterface</a> {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">GreaterThanAtLeastOneOfPropagator</a>(</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  IntegerVariable target_var, <span class="keyword">const</span> absl::Span<const IntegerVariable> vars,</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> absl::Span<const IntegerValue> offsets,</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> absl::Span<const Literal> selectors,</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> absl::Span<const Literal> enforcements, <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</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="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">Propagate</a>() <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">RegisterWith</a>(<a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>* watcher);</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>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="sched__constraints_8cc.html#a527571de51e3f4b1fc9945f3a374faad">target_var_</a>;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> std::vector<IntegerVariable> <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">const</span> std::vector<IntegerValue> offsets_;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> std::vector<Literal> selectors_;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> std::vector<Literal> enforcements_;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail_;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>* integer_trail_;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::vector<Literal> literal_reason_;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  std::vector<IntegerLiteral> integer_reason_;</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>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">GreaterThanAtLeastOneOfPropagator</a>);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> };</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// ============================================================================</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// Model based functions.</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>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#ae45b2ea9587478ba87069b5edc9693c3"> 101</a></span> <span class="keyword">inline</span> std::vector<IntegerValue> <a class="code" href="namespaceoperations__research_1_1sat.html#ae45b2ea9587478ba87069b5edc9693c3">ToIntegerValueVector</a>(</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> std::vector<int64>& <a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>) {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  std::vector<IntegerValue> result(<a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.size());</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.size(); ++i) {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  result[i] = IntegerValue(<a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>[i]);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> result;</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"> 109</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// Enforces the XOR of a set of literals to be equal to the given value.</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a3784d1f3239b842751828e471e1886c8"> 111</a></span> <span class="keyword">inline</span> std::function<void(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a3784d1f3239b842751828e471e1886c8">LiteralXorIs</a>(</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">const</span> std::vector<Literal>& literals, <span class="keywordtype">bool</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> [=](<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>>();</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>>();</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html">BooleanXorPropagator</a>* constraint =</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">new</span> <a class="code" href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#a975fec83c3990ce02f14f3812dafea65">BooleanXorPropagator</a>(literals, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, trail, integer_trail);</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  constraint->RegisterWith(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>>());</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(constraint);</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  };</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a216ffbba6c851b6f83f4d58bb53ff880"> 123</a></span> <span class="keyword">inline</span> std::function<void(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a216ffbba6c851b6f83f4d58bb53ff880">GreaterThanAtLeastOneOf</a>(</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  IntegerVariable target_var, <span class="keyword">const</span> absl::Span<const IntegerVariable> vars,</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> absl::Span<const IntegerValue> offsets,</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> absl::Span<const Literal> selectors) {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> [=](<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">GreaterThanAtLeastOneOfPropagator</a>* constraint =</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">new</span> <a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">GreaterThanAtLeastOneOfPropagator</a>(target_var, vars, offsets,</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  selectors, {}, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  constraint-><a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">RegisterWith</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>>());</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(constraint);</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> }</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a612460ec7bd44c25cf475a2f7e87034f"> 136</a></span> <span class="keyword">inline</span> std::function<void(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a216ffbba6c851b6f83f4d58bb53ff880">GreaterThanAtLeastOneOf</a>(</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  IntegerVariable target_var, <span class="keyword">const</span> absl::Span<const IntegerVariable> vars,</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">const</span> absl::Span<const IntegerValue> offsets,</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> absl::Span<const Literal> selectors,</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> absl::Span<const Literal> enforcements) {</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> [=](<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">GreaterThanAtLeastOneOfPropagator</a>* constraint =</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">new</span> <a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">GreaterThanAtLeastOneOfPropagator</a>(target_var, vars, offsets,</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  selectors, enforcements, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  constraint-><a class="code" href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">RegisterWith</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>>());</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(constraint);</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>  </div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// The target variable is equal to exactly one of the candidate variable. The</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// equality is controlled by the given "selector" literals.</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// Note(user): This only propagate from the min/max of still possible candidates</span></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment">// to the min/max of the target variable. The full constraint also requires</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// to deal with the case when one of the literal is true.</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// Note(user): If there is just one or two candidates, this doesn't add</span></div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// anything.</span></div>
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<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a373e6412ac911205ed63206556680bec"> 159</a></span> <span class="keyword">inline</span> std::function<void(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a373e6412ac911205ed63206556680bec">PartialIsOneOfVar</a>(</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  IntegerVariable target_var, <span class="keyword">const</span> std::vector<IntegerVariable>& vars,</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">const</span> std::vector<Literal>& selectors) {</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(vars.size(), selectors.size());</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> [=](<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> std::vector<IntegerValue> offsets(vars.size(), IntegerValue(0));</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (vars.size() > 2) {</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Propagate the min.</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a216ffbba6c851b6f83f4d58bb53ff880">GreaterThanAtLeastOneOf</a>(target_var, vars, offsets, selectors));</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (vars.size() > 2) {</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// Propagate the max.</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a216ffbba6c851b6f83f4d58bb53ff880">GreaterThanAtLeastOneOf</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(target_var),</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(vars), offsets, selectors));</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  };</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</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> } <span class="comment">// namespace sat</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_SAT_CP_CONSTRAINTS_H_</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a151248525a9e07eb3e6e60ea1c4995eb"><div class="ttname"><a href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a></div><div class="ttdeci">const std::vector< IntVar * > vars_</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00043">alldiff_cst.cc:43</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00697">base/logging.h:697</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_boolean_xor_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html">operations_research::sat::BooleanXorPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8h_source.html#l00038">cp_constraints.h:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_boolean_xor_propagator_html_a6ee8ed57254aec3ae99d399bae5b3736"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">operations_research::sat::BooleanXorPropagator::RegisterWith</a></div><div class="ttdeci">void RegisterWith(GenericLiteralWatcher *watcher)</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8cc_source.html#l00071">cp_constraints.cc:71</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_boolean_xor_propagator_html_a975fec83c3990ce02f14f3812dafea65"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#a975fec83c3990ce02f14f3812dafea65">operations_research::sat::BooleanXorPropagator::BooleanXorPropagator</a></div><div class="ttdeci">BooleanXorPropagator(const std::vector< Literal > &literals, bool value, Trail *trail, IntegerTrail *integer_trail)</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8h_source.html#l00040">cp_constraints.h:40</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_boolean_xor_propagator_html_ac1fe9b1f2b978c4283e42f12e586eb1e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_boolean_xor_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">operations_research::sat::BooleanXorPropagator::Propagate</a></div><div class="ttdeci">bool Propagate() final</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8cc_source.html#l00026">cp_constraints.cc:26</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">operations_research::sat::GenericLiteralWatcher</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01108">integer.h:1108</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html">operations_research::sat::GreaterThanAtLeastOneOfPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8h_source.html#l00070">cp_constraints.h:70</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator_html_a6ee8ed57254aec3ae99d399bae5b3736"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_greater_than_at_least_one_of_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">operations_research::sat::GreaterThanAtLeastOneOfPropagator::RegisterWith</a></div><div class="ttdeci">void RegisterWith(GenericLiteralWatcher *watcher)</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8cc_source.html#l00137">cp_constraints.cc:137</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html">operations_research::sat::IntegerTrail</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00540">integer.h:540</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html">operations_research::sat::Literal</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00064">sat_base.h:64</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html">operations_research::sat::Model</a></div><div class="ttdoc">Class that owns everything related to a particular optimization model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00038">sat/model.h:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_propagator_interface_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_propagator_interface.html">operations_research::sat::PropagatorInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01060">integer.h:1060</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html">operations_research::sat::Trail</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00233">sat_base.h:233</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
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<div class="ttc" id="aint__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a216ffbba6c851b6f83f4d58bb53ff880"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a216ffbba6c851b6f83f4d58bb53ff880">operations_research::sat::GreaterThanAtLeastOneOf</a></div><div class="ttdeci">std::function< void(Model *)> GreaterThanAtLeastOneOf(IntegerVariable target_var, const absl::Span< const IntegerVariable > vars, const absl::Span< const IntegerValue > offsets, const absl::Span< const Literal > selectors)</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8h_source.html#l00123">cp_constraints.h:123</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a373e6412ac911205ed63206556680bec"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a373e6412ac911205ed63206556680bec">operations_research::sat::PartialIsOneOfVar</a></div><div class="ttdeci">std::function< void(Model *)> PartialIsOneOfVar(IntegerVariable target_var, const std::vector< IntegerVariable > &vars, const std::vector< Literal > &selectors)</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8h_source.html#l00159">cp_constraints.h:159</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3784d1f3239b842751828e471e1886c8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3784d1f3239b842751828e471e1886c8">operations_research::sat::LiteralXorIs</a></div><div class="ttdeci">std::function< void(Model *)> LiteralXorIs(const std::vector< Literal > &literals, bool value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8h_source.html#l00111">cp_constraints.h:111</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aae43e784db06c0974ce59ebbe8dd2b22"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">operations_research::sat::NegationOf</a></div><div class="ttdeci">std::vector< IntegerVariable > NegationOf(const std::vector< IntegerVariable > &vars)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00027">integer.cc:27</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae45b2ea9587478ba87069b5edc9693c3"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae45b2ea9587478ba87069b5edc9693c3">operations_research::sat::ToIntegerValueVector</a></div><div class="ttdeci">std::vector< IntegerValue > ToIntegerValueVector(const std::vector< int64 > &input)</div><div class="ttdef"><b>Definition:</b> <a href="cp__constraints_8h_source.html#l00101">cp_constraints.h:101</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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