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549 lines
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<div class="headertitle"><div class="title">scheduling_constraints.cc</div></div>
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<a href="scheduling__constraints_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="scheduling__constraints_8h.html">ortools/sat/scheduling_constraints.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</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 id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keyword">namespace </span>sat {</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html"> 22</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html">SelectedMinPropagator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_propagator_interface.html">PropagatorInterface</a> {</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#aa4220fe935e1706a29c8abb1c7b7fe3e"> 24</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#aa4220fe935e1706a29c8abb1c7b7fe3e">SelectedMinPropagator</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> enforcement_literal,</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_affine_expression.html">AffineExpression</a> target,</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">const</span> std::vector<AffineExpression>& exprs,</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">const</span> std::vector<Literal>& selectors,</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>)</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> : enforcement_literal_(enforcement_literal),</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> target_(target),</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> exprs_(exprs),</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> selectors_(selectors),</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> trail_(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>>()),</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> integer_trail_(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>>()),</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> precedences_(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_precedences_propagator.html">PrecedencesPropagator</a>>()),</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> true_literal_(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_encoder.html">IntegerEncoder</a>>()->GetTrueLiteral()) {}</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">Propagate</a>() final;</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#a1868d977c2e9baed0f16c9ec71d6626e">RegisterWith</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>* watcher);</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> private:</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> const <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> enforcement_literal_;</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> const <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_affine_expression.html">AffineExpression</a> target_;</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> const <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_struct" href="structoperations__research_1_1sat_1_1_affine_expression.html">AffineExpression</a>> exprs_;</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> const <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>> selectors_;</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail_;</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>* integer_trail_;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_precedences_propagator.html">PrecedencesPropagator</a>* precedences_;</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> const <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> true_literal_;</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>> literal_reason_;</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_struct" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a>> integer_reason_;</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> DISALLOW_COPY_AND_ASSIGN(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html">SelectedMinPropagator</a>);</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>};</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e"> 56</a></span><span class="keywordtype">bool</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html">SelectedMinPropagator</a>::<a class="code hl_function" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">Propagate</a>() {</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_variables_assignment.html">VariablesAssignment</a>& assignment = trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_trail.html#a4793952607a98dfddfbcc17abfabbb4b">Assignment</a>();</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// helpers.</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">const</span> <span class="keyword">auto</span> add_var_non_selection_to_reason = [&](<span class="keywordtype">int</span> i) {</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(selectors_[i]));</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> literal_reason_.push_back(selectors_[i]);</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> };</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">const</span> <span class="keyword">auto</span> add_var_selection_to_reason = [&](<span class="keywordtype">int</span> i) {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(selectors_[i]));</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> literal_reason_.push_back(selectors_[i].Negated());</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> };</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// Push the given integer literal if lit is true. Note that if lit is still</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// not assigned, we may still be able to deduce something.</span></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// TODO(user): Move this to integer_trail, and remove from here and</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// from scheduling helper.</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">const</span> <span class="keyword">auto</span> push_bound = [&](<a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> enforcement_lit, <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit) {</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(enforcement_lit)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">if</span> (integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a554451dc5db1b8d233556d0b217c8a68">OptionalLiteralIndex</a>(i_lit.var) !=</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> enforcement_lit.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62">Index</a>()) {</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">if</span> (assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(enforcement_lit)) {</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// We can still push, but we do need the presence reason.</span></div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> literal_reason_.push_back(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>(enforcement_lit).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>());</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// In this case we cannot push lit.var, but we may force the enforcement</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// literal to be false.</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (i_lit.bound > integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(i_lit.var)) {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> integer_reason_.push_back(</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_function" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(i_lit.var, i_lit.bound - 1));</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(enforcement_lit));</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594">EnqueueLiteral</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>(enforcement_lit).Negated(),</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> literal_reason_, integer_reason_);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">if</span> (!integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(i_lit, literal_reason_, integer_reason_)) {</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> };</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// Propagation.</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = exprs_.size();</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">const</span> IntegerValue target_min = integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(target_);</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">const</span> IntegerValue target_max = integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(target_);</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// Loop through the variables, and fills the quantities below.</span></div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// In our naming scheme, a variable is either ignored, selected, or possible.</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> IntegerValue min_of_mins(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>);</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> IntegerValue min_of_selected_maxes(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>);</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> IntegerValue max_of_possible_maxes(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">kMinIntegerValue</a>);</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">int</span> num_possible_vars = 0;</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">int</span> num_selected_vars = 0;</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">int</span> min_of_selected_maxes_index = -1;</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordtype">int</span> first_selected = -1;</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">if</span> (assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(selectors_[i])) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">const</span> IntegerValue var_min = integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(exprs_[i]);</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">const</span> IntegerValue var_max = integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(exprs_[i]);</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> min_of_mins = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(min_of_mins, var_min);</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">if</span> (assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(selectors_[i])) {</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(enforcement_literal_));</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> num_selected_vars++;</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (var_max < min_of_selected_maxes) {</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> min_of_selected_maxes = var_max;</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> min_of_selected_maxes_index = i;</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">if</span> (first_selected == -1) {</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> first_selected = i;</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(selectors_[i]));</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> num_possible_vars++;</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> max_of_possible_maxes = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(max_of_possible_maxes, var_max);</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> }</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (min_of_mins > target_min) {</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> literal_reason_.clear();</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> integer_reason_.clear();</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">if</span> (assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(selectors_[i])) {</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> add_var_non_selection_to_reason(i);</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (exprs_[i].<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> integer_reason_.push_back(exprs_[i].<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab3ba1ab2a4a6cdc0ea4324d409ddbe7e">GreaterOrEqual</a>(min_of_mins));</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> }</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">if</span> (!push_bound(enforcement_literal_,</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> target_.GreaterOrEqual(min_of_mins))) {</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> }</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">if</span> (num_selected_vars > 0 && min_of_selected_maxes < target_max) {</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(enforcement_literal_));</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_define" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(min_of_selected_maxes_index, -1);</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(selectors_[min_of_selected_maxes_index]));</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> literal_reason_.clear();</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> integer_reason_.clear();</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> add_var_selection_to_reason(min_of_selected_maxes_index);</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">if</span> (exprs_[min_of_selected_maxes_index].<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> integer_reason_.push_back(</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> exprs_[min_of_selected_maxes_index].<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a3f35d207f7fbd9abc30ced851352b069">LowerOrEqual</a>(</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> min_of_selected_maxes));</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> }</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">if</span> (!integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(target_.LowerOrEqual(min_of_selected_maxes),</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> literal_reason_, integer_reason_)) {</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> }</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// Propagates in case every vars are still optional.</span></div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (num_possible_vars > 0 && num_selected_vars == 0) {</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">if</span> (target_max > max_of_possible_maxes) {</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> literal_reason_.clear();</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> integer_reason_.clear();</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">if</span> (assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(selectors_[i])) {</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> add_var_non_selection_to_reason(i);</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (exprs_[i].<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> integer_reason_.push_back(</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> exprs_[i].<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a3f35d207f7fbd9abc30ced851352b069">LowerOrEqual</a>(max_of_possible_maxes));</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> }</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> }</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">if</span> (!push_bound(enforcement_literal_,</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> target_.LowerOrEqual(max_of_possible_maxes))) {</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> }</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> }</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// All propagations and checks belows rely of the presence of the target.</span></div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">if</span> (!assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(enforcement_literal_)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <a class="code hl_define" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(target_), min_of_mins);</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// Note that the case num_possible == 1, num_selected_vars == 0 shouldn't</span></div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="comment">// happen because we assume that the enforcement <=> at_least_one_present</span></div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="comment">// clause has already been propagated.</span></div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">if</span> (num_possible_vars > 0) {</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_define" href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a>(num_possible_vars + num_selected_vars, 1);</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (num_selected_vars != 1) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_define" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(first_selected, -1);</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(assignment.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(selectors_[first_selected]));</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_affine_expression.html">AffineExpression</a> unique_selected_var = exprs_[first_selected];</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// Propagate bound from target to the unique selected var.</span></div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">if</span> (target_min > integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(unique_selected_var)) {</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> literal_reason_.clear();</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> integer_reason_.clear();</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">if</span> (i != first_selected) {</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> add_var_non_selection_to_reason(i);</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> add_var_selection_to_reason(i);</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> }</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">if</span> (target_.var != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> integer_reason_.push_back(target_.GreaterOrEqual(target_min));</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> }</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">if</span> (!integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(unique_selected_var.<a class="code hl_function" href="structoperations__research_1_1sat_1_1_affine_expression.html#a5d6f020504838c2d57528f47cd1fe164">GreaterOrEqual</a>(target_min),</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> literal_reason_, integer_reason_)) {</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> }</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> }</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">if</span> (target_max < integer_trail_-><a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9e815eb2193f1bb6903274c7f0859cd7">UpperBound</a>(unique_selected_var)) {</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> literal_reason_.clear();</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> integer_reason_.clear();</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordflow">if</span> (i != first_selected) {</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> add_var_non_selection_to_reason(i);</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> add_var_selection_to_reason(i);</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> }</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">if</span> (target_.var != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> integer_reason_.push_back(target_.LowerOrEqual(target_max));</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> }</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">if</span> (!integer_trail_-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(unique_selected_var.<a class="code hl_function" href="structoperations__research_1_1sat_1_1_affine_expression.html#a8d484cfa3afefda70ef152313dffdc27">LowerOrEqual</a>(target_max),</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> literal_reason_, integer_reason_)) {</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> }</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> }</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> </div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span>}</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> </div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#a1868d977c2e9baed0f16c9ec71d6626e"> 255</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#a1868d977c2e9baed0f16c9ec71d6626e">SelectedMinPropagator::RegisterWith</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>* watcher) {</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> = watcher-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adeee4ac52bfe0f1b48ee8958bb88b4e3">Register</a>(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> t = 0; t < exprs_.size(); ++t) {</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> watcher-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#abaec50ed809d8f0a1754c9a9225d3b5e">WatchAffineExpression</a>(exprs_[t], <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> watcher-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8f6dd74a841475ccb390614d2b212170">WatchLiteral</a>(selectors_[t], <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> }</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> watcher-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#abaec50ed809d8f0a1754c9a9225d3b5e">WatchAffineExpression</a>(target_, <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> watcher-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8f6dd74a841475ccb390614d2b212170">WatchLiteral</a>(enforcement_literal_, <span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordflow">return</span> id;</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span>}</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#af92c9748b009e37cc6e5b2f14095b2c3"> 266</a></span>std::function<void(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#af92c9748b009e37cc6e5b2f14095b2c3">EqualMinOfSelectedVariables</a>(</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> enforcement_literal, <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_affine_expression.html">AffineExpression</a> target,</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keyword">const</span> std::vector<AffineExpression>& exprs,</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">const</span> std::vector<Literal>& selectors) {</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(exprs.size(), selectors.size());</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> [=](<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// If both a variable is selected and the enforcement literal is true, then</span></div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// the var is always greater than the target.</span></div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < exprs.size(); ++i) {</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_constraint_builder.html">LinearConstraintBuilder</a> builder(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">kMinIntegerValue</a>, IntegerValue(0));</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> builder.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_builder.html#ad65ddc0d04d71006a9ebe3b9dcfe2ce6">AddTerm</a>(target, IntegerValue(1));</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> builder.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_builder.html#ad65ddc0d04d71006a9ebe3b9dcfe2ce6">AddTerm</a>(exprs[i], IntegerValue(-1));</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a4b4da650bfcb86c00bee1df0ab0cc953">LoadConditionalLinearConstraint</a>({enforcement_literal, selectors[i]},</div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> builder.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_builder.html#a8ef32d79f50eb45bb9305c8b436cf6c4">Build</a>(), <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> }</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// Add the dedicated propagator.</span></div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html">SelectedMinPropagator</a>* constraint = <span class="keyword">new</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#aa4220fe935e1706a29c8abb1c7b7fe3e">SelectedMinPropagator</a>(</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> enforcement_literal, target, exprs, selectors, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> constraint-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#a1868d977c2e9baed0f16c9ec71d6626e">RegisterWith</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>>());</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(constraint);</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> };</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span>}</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a92ae1286e941ce8aef805a6d4a57f3ae"> 290</a></span>std::function<void(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a92ae1286e941ce8aef805a6d4a57f3ae">EqualMaxOfSelectedVariables</a>(</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> enforcement_literal, <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_affine_expression.html">AffineExpression</a> target,</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">const</span> std::vector<AffineExpression>& exprs,</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keyword">const</span> std::vector<Literal>& selectors) {</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(exprs.size(), selectors.size());</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keywordflow">return</span> [=](<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> std::vector<AffineExpression> negations;</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_affine_expression.html">AffineExpression</a> expr : exprs) {</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> negations.push_back(expr.Negated());</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> }</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#af92c9748b009e37cc6e5b2f14095b2c3">EqualMinOfSelectedVariables</a>(</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> enforcement_literal, target.<a class="code hl_function" href="structoperations__research_1_1sat_1_1_affine_expression.html#a19bff44fb82e19c55a4da7fe9aa38a86">Negated</a>(), negations, selectors));</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> };</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span>}</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> </div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#ab8a2ed985fe84324a04b05b0368f50b0"> 305</a></span>std::function<void(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab8a2ed985fe84324a04b05b0368f50b0">SpanOfIntervals</a>(</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> IntervalVariable span, <span class="keyword">const</span> std::vector<IntervalVariable>& intervals) {</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">return</span> [=](<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="keyword">auto</span>* sat_solver = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_solver.html">SatSolver</a>>();</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keyword">auto</span>* repository = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_intervals_repository.html">IntervalsRepository</a>>();</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> </div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="comment">// If the target is absent, then all tasks are absent.</span></div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordflow">if</span> (repository->IsAbsent(span)) {</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> IntervalVariable <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> : intervals) {</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">if</span> (repository->IsOptional(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) {</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> sat_solver->AddBinaryClause(</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> repository->PresenceLiteral(span).Negated(),</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> repository->PresenceLiteral(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>));</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (repository->IsPresent(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) {</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> sat_solver->NotifyThatModelIsUnsat();</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> }</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> }</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> </div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// The target is present iif at least one interval is present. This is a</span></div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="comment">// strict equivalence.</span></div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> std::vector<Literal> presence_literals;</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> std::vector<AffineExpression> starts;</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> std::vector<AffineExpression> ends;</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> std::vector<Literal> clause;</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordtype">bool</span> at_least_one_interval_is_present = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> true_literal =</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_encoder.html">IntegerEncoder</a>>()->GetTrueLiteral();</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> </div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> IntervalVariable <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> : intervals) {</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordflow">if</span> (repository->IsAbsent(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordflow">if</span> (repository->IsOptional(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) {</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> task_lit = repository->PresenceLiteral(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>);</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> presence_literals.push_back(task_lit);</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> clause.push_back(task_lit);</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">if</span> (repository->IsOptional(span)) {</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// task is present => target is present.</span></div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> sat_solver-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_sat_solver.html#aac912e9410b8989493f492fcbb2d9094">AddBinaryClause</a>(task_lit.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>(),</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> repository->PresenceLiteral(span));</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> presence_literals.push_back(true_literal);</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> at_least_one_interval_is_present = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> }</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> starts.push_back(repository->Start(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>));</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> ends.push_back(repository->End(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>));</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> }</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">if</span> (!at_least_one_interval_is_present) {</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="comment">// enforcement_literal is true => one of the task is present.</span></div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keywordflow">if</span> (repository->IsOptional(span)) {</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> clause.push_back(repository->PresenceLiteral(span).Negated());</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> }</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> sat_solver->AddProblemClause(clause);</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> }</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="comment">// Link target start and end to the starts and ends of the tasks.</span></div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> enforcement_literal =</div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> repository->IsOptional(span)</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> ? repository->PresenceLiteral(span)</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> : <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_encoder.html">IntegerEncoder</a>>()->GetTrueLiteral();</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#af92c9748b009e37cc6e5b2f14095b2c3">EqualMinOfSelectedVariables</a>(enforcement_literal,</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> repository->Start(span), starts,</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> presence_literals));</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a92ae1286e941ce8aef805a6d4a57f3ae">EqualMaxOfSelectedVariables</a>(</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> enforcement_literal, repository->End(span), ends, presence_literals));</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> };</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span>}</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> </div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span>} <span class="comment">// namespace sat</span></div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0"><div class="ttname"><a href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a></div><div class="ttdeci">#define DCHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00887">base/logging.h:887</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#l00698">base/logging.h:698</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295"><div class="ttname"><a href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a></div><div class="ttdeci">#define DCHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab4f56aa24c4c9cddc47a6abd2d747f9a"><div class="ttname"><a href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a></div><div class="ttdeci">#define DCHECK_GT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00891">base/logging.h:891</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00885">base/logging.h:885</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#l01153">integer.h:1153</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_a8f6dd74a841475ccb390614d2b212170"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8f6dd74a841475ccb390614d2b212170">operations_research::sat::GenericLiteralWatcher::WatchLiteral</a></div><div class="ttdeci">void WatchLiteral(Literal l, int id, int watch_index=-1)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01422">integer.h:1422</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_abaec50ed809d8f0a1754c9a9225d3b5e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#abaec50ed809d8f0a1754c9a9225d3b5e">operations_research::sat::GenericLiteralWatcher::WatchAffineExpression</a></div><div class="ttdeci">void WatchAffineExpression(AffineExpression e, int id)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01203">integer.h:1203</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_adeee4ac52bfe0f1b48ee8958bb88b4e3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adeee4ac52bfe0f1b48ee8958bb88b4e3">operations_research::sat::GenericLiteralWatcher::Register</a></div><div class="ttdeci">int Register(PropagatorInterface *propagator)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01996">integer.cc:1996</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html">operations_research::sat::IntegerEncoder</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00306">integer.h:306</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#l00574">integer.h:574</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a05e837bb93eeabbbd94e8f690dd59d32"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">operations_research::sat::IntegerTrail::Enqueue</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool Enqueue(IntegerLiteral i_lit, absl::Span< const Literal > literal_reason, absl::Span< const IntegerLiteral > integer_reason)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01028">integer.cc:1028</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a554451dc5db1b8d233556d0b217c8a68"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a554451dc5db1b8d233556d0b217c8a68">operations_research::sat::IntegerTrail::OptionalLiteralIndex</a></div><div class="ttdeci">LiteralIndex OptionalLiteralIndex(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00668">integer.h:668</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a79322fd8dff49ab2eab22c0570aba594"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594">operations_research::sat::IntegerTrail::EnqueueLiteral</a></div><div class="ttdeci">void EnqueueLiteral(Literal literal, absl::Span< const Literal > literal_reason, absl::Span< const IntegerLiteral > integer_reason)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01142">integer.cc:1142</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a8b6d5a25e6ad3d28a85b1924471e2cac"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">operations_research::sat::IntegerTrail::UpperBound</a></div><div class="ttdeci">IntegerValue UpperBound(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01349">integer.h:1349</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ab857cd2aead68952d9fe92a8ad8d3ac9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">operations_research::sat::IntegerTrail::LowerBound</a></div><div class="ttdeci">IntegerValue LowerBound(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01345">integer.h:1345</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_intervals_repository_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_intervals_repository.html">operations_research::sat::IntervalsRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="intervals_8h_source.html#l00047">intervals.h:47</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_builder_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_builder.html">operations_research::sat::LinearConstraintBuilder</a></div><div class="ttdef"><b>Definition:</b> <a href="sat_2linear__constraint_8h_source.html#l00147">sat/linear_constraint.h:147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_builder_html_a8ef32d79f50eb45bb9305c8b436cf6c4"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_builder.html#a8ef32d79f50eb45bb9305c8b436cf6c4">operations_research::sat::LinearConstraintBuilder::Build</a></div><div class="ttdeci">LinearConstraint Build()</div><div class="ttdef"><b>Definition:</b> <a href="sat_2linear__constraint_8cc_source.html#l00154">sat/linear_constraint.cc:154</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_builder_html_ad65ddc0d04d71006a9ebe3b9dcfe2ce6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_builder.html#ad65ddc0d04d71006a9ebe3b9dcfe2ce6">operations_research::sat::LinearConstraintBuilder::AddTerm</a></div><div class="ttdeci">void AddTerm(IntegerVariable var, IntegerValue coeff)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2linear__constraint_8cc_source.html#l00025">sat/linear_constraint.cc:25</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#l00065">sat_base.h:65</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a4a11c7c4d7706c09de5e18707c3b5c62"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62">operations_research::sat::Literal::Index</a></div><div class="ttdeci">LiteralIndex Index() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00085">sat_base.h:85</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a886e9c024f7209181c0a850b6e90c644"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">operations_research::sat::Literal::Negated</a></div><div class="ttdeci">Literal Negated() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00092">sat_base.h:92</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_precedences_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_precedences_propagator.html">operations_research::sat::PrecedencesPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="precedences_8h_source.html#l00052">precedences.h:52</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#l01105">integer.h:1105</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00058">sat_solver.h:58</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_aac912e9410b8989493f492fcbb2d9094"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#aac912e9410b8989493f492fcbb2d9094">operations_research::sat::SatSolver::AddBinaryClause</a></div><div class="ttdeci">bool AddBinaryClause(Literal a, Literal b)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00181">sat_solver.cc:181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_selected_min_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_selected_min_propagator.html">operations_research::sat::SelectedMinPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="scheduling__constraints_8cc_source.html#l00022">scheduling_constraints.cc:22</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_selected_min_propagator_html_a1868d977c2e9baed0f16c9ec71d6626e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#a1868d977c2e9baed0f16c9ec71d6626e">operations_research::sat::SelectedMinPropagator::RegisterWith</a></div><div class="ttdeci">int RegisterWith(GenericLiteralWatcher *watcher)</div><div class="ttdef"><b>Definition:</b> <a href="scheduling__constraints_8cc_source.html#l00255">scheduling_constraints.cc:255</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_selected_min_propagator_html_aa4220fe935e1706a29c8abb1c7b7fe3e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#aa4220fe935e1706a29c8abb1c7b7fe3e">operations_research::sat::SelectedMinPropagator::SelectedMinPropagator</a></div><div class="ttdeci">SelectedMinPropagator(Literal enforcement_literal, AffineExpression target, const std::vector< AffineExpression > &exprs, const std::vector< Literal > &selectors, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="scheduling__constraints_8cc_source.html#l00024">scheduling_constraints.cc:24</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_selected_min_propagator_html_ac1fe9b1f2b978c4283e42f12e586eb1e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_selected_min_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">operations_research::sat::SelectedMinPropagator::Propagate</a></div><div class="ttdeci">bool Propagate() final</div><div class="ttdef"><b>Definition:</b> <a href="scheduling__constraints_8cc_source.html#l00056">scheduling_constraints.cc:56</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#l00234">sat_base.h:234</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a4793952607a98dfddfbcc17abfabbb4b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a4793952607a98dfddfbcc17abfabbb4b">operations_research::sat::Trail::Assignment</a></div><div class="ttdeci">const VariablesAssignment & Assignment() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00381">sat_base.h:381</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html">operations_research::sat::VariablesAssignment</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00123">sat_base.h:123</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_a5300129913f51dcb0b1c531e3248490e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">operations_research::sat::VariablesAssignment::LiteralIsTrue</a></div><div class="ttdeci">bool LiteralIsTrue(Literal literal) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00151">sat_base.h:151</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_acfd1646011e643f58fd7dc66d9cc90a5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">operations_research::sat::VariablesAssignment::LiteralIsFalse</a></div><div class="ttdeci">bool LiteralIsFalse(Literal literal) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00148">sat_base.h:148</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00273">gurobi_interface.cc:273</a></div></div>
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<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1227e67513602591fb959e35c9de66e8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">operations_research::sat::kMaxIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMaxIntegerValue(std::numeric_limits< IntegerValue::ValueType >::max() - 1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a355a62f25cfadeccfb164ab9fb867c81"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">operations_research::sat::kMinIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMinIntegerValue(-kMaxIntegerValue)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3f35d207f7fbd9abc30ced851352b069"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3f35d207f7fbd9abc30ced851352b069">operations_research::sat::LowerOrEqual</a></div><div class="ttdeci">std::function< void(Model *)> LowerOrEqual(IntegerVariable v, int64_t ub)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01567">integer.h:1567</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a4b4da650bfcb86c00bee1df0ab0cc953"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a4b4da650bfcb86c00bee1df0ab0cc953">operations_research::sat::LoadConditionalLinearConstraint</a></div><div class="ttdeci">void LoadConditionalLinearConstraint(const absl::Span< const Literal > enforcement_literals, const LinearConstraint &cst, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="integer__expr_8h_source.html#l00573">integer_expr.h:573</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5bd8c44473618b7eafd33ba978db2f06"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">operations_research::sat::kNoIntegerVariable</a></div><div class="ttdeci">const IntegerVariable kNoIntegerVariable(-1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a92ae1286e941ce8aef805a6d4a57f3ae"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a92ae1286e941ce8aef805a6d4a57f3ae">operations_research::sat::EqualMaxOfSelectedVariables</a></div><div class="ttdeci">std::function< void(Model *)> EqualMaxOfSelectedVariables(Literal enforcement_literal, AffineExpression target, const std::vector< AffineExpression > &exprs, const std::vector< Literal > &selectors)</div><div class="ttdef"><b>Definition:</b> <a href="scheduling__constraints_8cc_source.html#l00290">scheduling_constraints.cc:290</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a9e815eb2193f1bb6903274c7f0859cd7"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a9e815eb2193f1bb6903274c7f0859cd7">operations_research::sat::UpperBound</a></div><div class="ttdeci">std::function< int64_t(const Model &)> UpperBound(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01530">integer.h:1530</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab3ba1ab2a4a6cdc0ea4324d409ddbe7e"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab3ba1ab2a4a6cdc0ea4324d409ddbe7e">operations_research::sat::GreaterOrEqual</a></div><div class="ttdeci">std::function< void(Model *)> GreaterOrEqual(IntegerVariable v, int64_t lb)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01552">integer.h:1552</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab8a2ed985fe84324a04b05b0368f50b0"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab8a2ed985fe84324a04b05b0368f50b0">operations_research::sat::SpanOfIntervals</a></div><div class="ttdeci">std::function< void(Model *)> SpanOfIntervals(IntervalVariable span, const std::vector< IntervalVariable > &intervals)</div><div class="ttdef"><b>Definition:</b> <a href="scheduling__constraints_8cc_source.html#l00305">scheduling_constraints.cc:305</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_af92c9748b009e37cc6e5b2f14095b2c3"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#af92c9748b009e37cc6e5b2f14095b2c3">operations_research::sat::EqualMinOfSelectedVariables</a></div><div class="ttdeci">std::function< void(Model *)> EqualMinOfSelectedVariables(Literal enforcement_literal, AffineExpression target, const std::vector< AffineExpression > &exprs, const std::vector< Literal > &selectors)</div><div class="ttdef"><b>Definition:</b> <a href="scheduling__constraints_8cc_source.html#l00266">scheduling_constraints.cc:266</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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<div class="ttc" id="aresource_8cc_html_af92a8383a05fdf586a52263d358f5ada"><div class="ttname"><a href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a></div><div class="ttdeci">IntervalVar * interval</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l00100">resource.cc:100</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_affine_expression_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_affine_expression.html">operations_research::sat::AffineExpression</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00220">integer.h:220</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_affine_expression_html_a19bff44fb82e19c55a4da7fe9aa38a86"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_affine_expression.html#a19bff44fb82e19c55a4da7fe9aa38a86">operations_research::sat::AffineExpression::Negated</a></div><div class="ttdeci">AffineExpression Negated() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00239">integer.h:239</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_affine_expression_html_a5d6f020504838c2d57528f47cd1fe164"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_affine_expression.html#a5d6f020504838c2d57528f47cd1fe164">operations_research::sat::AffineExpression::GreaterOrEqual</a></div><div class="ttdeci">IntegerLiteral GreaterOrEqual(IntegerValue bound) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01330">integer.h:1330</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_affine_expression_html_a8d484cfa3afefda70ef152313dffdc27"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_affine_expression.html#a8d484cfa3afefda70ef152313dffdc27">operations_research::sat::AffineExpression::LowerOrEqual</a></div><div class="ttdeci">IntegerLiteral LowerOrEqual(IntegerValue bound) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01339">integer.h:1339</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html">operations_research::sat::IntegerLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00167">integer.h:167</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a3e2eb445631727dd4abf1d5343f16b2f"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">operations_research::sat::IntegerLiteral::LowerOrEqual</a></div><div class="ttdeci">static IntegerLiteral LowerOrEqual(IntegerVariable i, IntegerValue bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01315">integer.h:1315</a></div></div>
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