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<a href="table_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef OR_TOOLS_SAT_TABLE_H_</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_SAT_TABLE_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <functional></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "absl/types/span.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="sat_2model_8h.html">ortools/sat/model.h</a>"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="sat__base_8h.html">ortools/sat/sat_base.h</a>"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>sat {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// Enforces that the given tuple of variables is equal to one of the given</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// tuples. All the tuples must have the same size as var.size(), this is</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Checked.</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a54ff6ea10d4aafe131b6bfa4176b334a">AddTableConstraint</a>(absl::Span<const IntegerVariable> vars,</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  std::vector<std::vector<int64>> tuples, Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// Enforces that none of the given tuple appear.</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// TODO(user): we could propagate more than what we currently do which is simply</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// adding one clause per tuples.</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aa933cec72d7d701242cfd600daa4a172">AddNegatedTableConstraint</a>(absl::Span<const IntegerVariable> vars,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  std::vector<std::vector<int64>> tuples,</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// Enforces that exactly one literal in line_literals is true, and that</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// all literals in the corresponding line of the literal_tuples matrix are true.</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// This constraint assumes that exactly one literal per column of the</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// literal_tuples matrix is true.</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> std::function<void(Model*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a67988a71dd5421e1605b8c71bcf4b4cd">LiteralTableConstraint</a>(</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">const</span> std::vector<std::vector<Literal>>& literal_tuples,</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> std::vector<Literal>& line_literals);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// Given an automaton defined by a set of 3-tuples:</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// (state, transition_with_value_as_label, next_state)</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// this accepts the sequences of vars.size() variables that are recognized by</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// this automaton. That is:</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// - We start from the initial state.</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// - For each variable, we move along the transition labeled by this variable</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// value. Moreover, the variable must take a value that correspond to a</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// feasible transition.</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// - We only accept sequences that ends in one of the final states.</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// We CHECK that there is only one possible transition for a state/value pair.</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// See the test for some examples.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> std::function<void(Model*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a31ce182acd5d18c1cca240566d510666">TransitionConstraint</a>(</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> std::vector<IntegerVariable>& vars,</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> std::vector<std::vector<int64>>& automaton, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> initial_state,</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">const</span> std::vector<int64>& final_states);</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> } <span class="comment">// namespace sat</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#endif // OR_TOOLS_SAT_TABLE_H_</span></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a67988a71dd5421e1605b8c71bcf4b4cd"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a67988a71dd5421e1605b8c71bcf4b4cd">operations_research::sat::LiteralTableConstraint</a></div><div class="ttdeci">std::function< void(Model *)> LiteralTableConstraint(const std::vector< std::vector< Literal >> &literal_tuples, const std::vector< Literal > &line_literals)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2table_8cc_source.html#l00544">sat/table.cc:544</a></div></div>
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<div class="ttc" id="asat_2model_8h_html"><div class="ttname"><a href="sat_2model_8h.html">model.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aa933cec72d7d701242cfd600daa4a172"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aa933cec72d7d701242cfd600daa4a172">operations_research::sat::AddNegatedTableConstraint</a></div><div class="ttdeci">void AddNegatedTableConstraint(absl::Span< const IntegerVariable > vars, std::vector< std::vector< int64 >> tuples, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2table_8cc_source.html#l00457">sat/table.cc:457</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="asat__base_8h_html"><div class="ttname"><a href="sat__base_8h.html">sat_base.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a31ce182acd5d18c1cca240566d510666"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a31ce182acd5d18c1cca240566d510666">operations_research::sat::TransitionConstraint</a></div><div class="ttdeci">std::function< void(Model *)> TransitionConstraint(const std::vector< IntegerVariable > &vars, const std::vector< std::vector< int64 >> &automaton, int64 initial_state, const std::vector< int64 > &final_states)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2table_8cc_source.html#l00591">sat/table.cc:591</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a54ff6ea10d4aafe131b6bfa4176b334a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a54ff6ea10d4aafe131b6bfa4176b334a">operations_research::sat::AddTableConstraint</a></div><div class="ttdeci">void AddTableConstraint(absl::Span< const IntegerVariable > vars, std::vector< std::vector< int64 >> tuples, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2table_8cc_source.html#l00248">sat/table.cc:248</a></div></div>
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