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<div class="title">circuit.h</div>  </div>
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<a href="circuit_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>&#160;<span class="comment">// Copyright 2010-2018 Google LLC</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//     http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#ifndef OR_TOOLS_SAT_CIRCUIT_H_</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#define OR_TOOLS_SAT_CIRCUIT_H_</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &quot;absl/container/flat_hash_map.h&quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>&quot;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>&quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="macros_8h.html">ortools/base/macros.h</a>&quot;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="sat_2model_8h.html">ortools/sat/model.h</a>&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="sat__base_8h.html">ortools/sat/sat_base.h</a>&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="rev_8h.html">ortools/util/rev.h</a>&quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">namespace </span>sat {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">// Circuit/sub-circuit constraint.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">// Nodes that are not in the unique allowed sub-circuit must point to themseves.</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">// A nodes that has no self-arc must thus be inside the sub-circuit. If there is</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">// no self-arc at all, then this constaint forces the circuit to go through all</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">// the nodes. Multi-arcs are NOT supported.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">// Important: for correctness, this constraint requires that &quot;exactly one&quot;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">// constraints have been added for all the incoming (resp. outgoing) arcs of</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">// each node. Also, such constraint must propagate before this one.</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_circuit_propagator.html">   44</a></span>&#160;<span class="keyword">class </span><a class="code" href="classoperations__research_1_1sat_1_1_circuit_propagator.html">CircuitPropagator</a> : <a class="code" href="classoperations__research_1_1sat_1_1_propagator_interface.html">PropagatorInterface</a>, <a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a> {</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html">   46</a></span>&#160;  <span class="keyword">struct </span><a class="code" href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html">Options</a> {</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="comment">// Hack for the VRP to allow for more than one sub-circuit and forces all</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="comment">// the subcircuits to go through the node zero.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html#af1123baeaa5412b68d37d8adf43ccb7c">   49</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html#af1123baeaa5412b68d37d8adf43ccb7c">multiple_subcircuit_through_zero</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;  };</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;  <span class="comment">// The constraints take a sparse representation of a graph on [0, n). Each arc</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  <span class="comment">// being present when the given literal is true.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  <a class="code" href="classoperations__research_1_1sat_1_1_circuit_propagator.html#ab724d1b4067da7ec830cb4d1b8284ee7">CircuitPropagator</a>(<span class="keywordtype">int</span> num_nodes, <span class="keyword">const</span> std::vector&lt;int&gt;&amp; tails,</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;                    <span class="keyword">const</span> std::vector&lt;int&gt;&amp; heads,</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;                    <span class="keyword">const</span> std::vector&lt;Literal&gt;&amp; literals, <a class="code" href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html">Options</a> options,</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                    <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_propagator.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(<span class="keywordtype">int</span> level) <span class="keyword">final</span>;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">Propagate</a>() final;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_propagator.html#a45321337f970685d9847db005c4b3de1">IncrementalPropagate</a>(const std::vector&lt;<span class="keywordtype">int</span>&gt;&amp; watch_indices) final;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">RegisterWith</a>(<a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>* watcher);</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160; </div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; private:</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  <span class="comment">// Updates the structures when the given arc is added to the paths.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;  <span class="keywordtype">void</span> AddArc(<span class="keywordtype">int</span> <a class="code" href="routing__flow_8cc.html#a10b672faee4b99c6a02feb0e343f3b0f">tail</a>, <span class="keywordtype">int</span> <a class="code" href="routing__flow_8cc.html#ac891d9f514e55ec8ee1212757a147888">head</a>, LiteralIndex literal_index);</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;  <span class="comment">// Clears and fills reason with the literals of the arcs that form a path from</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  <span class="comment">// the given node. The path can be a cycle, but in this case it must end at</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;  <span class="comment">// start (not like a rho shape).</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  <span class="keywordtype">void</span> FillReasonForPath(<span class="keywordtype">int</span> start_node, std::vector&lt;<a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>&gt;* reason) const;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;  const <span class="keywordtype">int</span> num_nodes_;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  const <a class="code" href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html">Options</a> options_;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail_;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  const <a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html">VariablesAssignment</a>&amp; assignment_;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;  <span class="comment">// We use this to query in O(1) for an arc existence. The self-arcs are</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  <span class="comment">// accessed often, so we use a more efficient std::vector&lt;&gt; for them. Note</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;  <span class="comment">// that we do not add self-arcs to graph_.</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;  <span class="comment">//</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  <span class="comment">// TODO(user): for large dense graph, using a matrix is faster and uses less</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;  <span class="comment">// memory. If the need arise we can have the two implementations.</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  std::vector&lt;<a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>&gt; self_arcs_;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;  <a class="code" href="namespaceabsl.html">absl</a>::flat_hash_map&lt;std::pair&lt;<span class="keywordtype">int</span>, <span class="keywordtype">int</span>&gt;, <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>&gt; graph_;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="comment">// Data used to interpret the watch indices passed to IncrementalPropagate().</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;  struct <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a> {</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordtype">int</span> <a class="code" href="routing__flow_8cc.html#a10b672faee4b99c6a02feb0e343f3b0f">tail</a>;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keywordtype">int</span> <a class="code" href="routing__flow_8cc.html#ac891d9f514e55ec8ee1212757a147888">head</a>;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;  };</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;  std::vector&lt;Literal&gt; watch_index_to_literal_;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;  std::vector&lt;std::vector&lt;Arc&gt;&gt; watch_index_to_arcs_;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  <span class="comment">// Index in trail_ up to which we propagated all the assigned Literals.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;  <span class="keywordtype">int</span> propagation_trail_index_ = 0;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  <span class="comment">// Current partial chains of arc that are present.</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;  std::vector&lt;int&gt; next_;  <span class="comment">// -1 if not assigned yet.</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;  std::vector&lt;int&gt; prev_;  <span class="comment">// -1 if not assigned yet.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  std::vector&lt;LiteralIndex&gt; next_literal_;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  <span class="comment">// Backtrack support for the partial chains of arcs, level_ends_[level] is an</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  <span class="comment">// index in added_arcs_;</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;  std::vector&lt;int&gt; level_ends_;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  std::vector&lt;Arc&gt; added_arcs_;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <span class="comment">// Reversible list of node that must be in a cycle. A node must be in a cycle</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="comment">// iff self_arcs_[node] is false. This graph entry can be used as a reason.</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="keywordtype">int</span> rev_must_be_in_cycle_size_ = 0;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;  std::vector&lt;int&gt; must_be_in_cycle_;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  <span class="comment">// Temporary vectors.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  std::vector&lt;bool&gt; processed_;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  std::vector&lt;bool&gt; in_current_path_;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1sat_1_1_circuit_propagator.html">CircuitPropagator</a>);</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;};</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160; </div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="comment">// This constraint ensures that the graph is a covering of all nodes by</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="comment">// circuits and loops, such that all circuits contain exactly one distinguished</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="comment">// node. Those distinguished nodes are meant to be depots.</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="comment">// This constraint does not need ExactlyOnePerRowAndPerColumn() to be correct,</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment">// but it does not propagate degree deductions (only fails if a node has more</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">// than one outgoing arc or more than one incoming arc), so that adding</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment">// ExactlyOnePerRowAndPerColumn() should work better.</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment">// TODO(user): Make distinguished nodes an array of Boolean variables,</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="comment">// so this can be used for facility location problems.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html">  131</a></span>&#160;<span class="keyword">class </span><a class="code" href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html">CircuitCoveringPropagator</a> : <a class="code" href="classoperations__research_1_1sat_1_1_propagator_interface.html">PropagatorInterface</a>, <a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a> {</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;  <a class="code" href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a154741eb694fbdb51b431c9c0d404496">CircuitCoveringPropagator</a>(std::vector&lt;std::vector&lt;Literal&gt;&gt; graph,</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                            <span class="keyword">const</span> std::vector&lt;int&gt;&amp; distinguished_nodes,</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                            <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(<span class="keywordtype">int</span> level) <span class="keyword">final</span>;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">Propagate</a>() <span class="keyword">final</span>;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a45321337f970685d9847db005c4b3de1">IncrementalPropagate</a>(<span class="keyword">const</span> std::vector&lt;int&gt;&amp; watch_indices) <span class="keyword">final</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">RegisterWith</a>(<a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html">GenericLiteralWatcher</a>* watcher);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  <span class="comment">// Adds all literals on the path/circuit from tail to head in the graph of</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  <span class="comment">// literals set to true.</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  <span class="comment">// next_[i] should be filled with a node j s.t. graph_[i][j] is true, or -1.</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <span class="keywordtype">void</span> FillFixedPathInReason(<span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end, std::vector&lt;Literal&gt;* reason);</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  <span class="comment">// Input data.</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="keyword">const</span> std::vector&lt;std::vector&lt;Literal&gt;&gt; graph_;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">int</span> num_nodes_;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  std::vector&lt;bool&gt; node_is_distinguished_;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  <span class="comment">// SAT incremental state.</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail_;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  std::vector&lt;std::pair&lt;int, int&gt;&gt; watch_index_to_arc_;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;  std::vector&lt;std::pair&lt;int, int&gt;&gt; fixed_arcs_;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;  std::vector&lt;int&gt; level_ends_;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160; </div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  <span class="comment">// Used in Propagate() to represent paths and circuits.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;  std::vector&lt;int&gt; next_;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;  std::vector&lt;int&gt; prev_;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  std::vector&lt;bool&gt; visited_;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;};</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="comment">// Changes the node indices so that we get a graph in [0, num_nodes) where every</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="comment">// node has at least one incoming or outgoing arc. Returns the number of nodes.</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> IntContainer&gt;</div>
<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a8f4f9889ab3527ce5381ed32e2fae25a">  168</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a8f4f9889ab3527ce5381ed32e2fae25a">ReindexArcs</a>(IntContainer* tails, IntContainer* heads) {</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">int</span> num_arcs = tails-&gt;size();</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  <span class="keywordflow">if</span> (num_arcs == 0) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;  <span class="comment">// Put all nodes in a set.</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  std::set&lt;int&gt; nodes;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> arc = 0; arc &lt; num_arcs; ++arc) {</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    nodes.insert((*tails)[arc]);</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    nodes.insert((*heads)[arc]);</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  }</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;  <span class="comment">// Compute the new indices while keeping a stable order.</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;  <span class="keywordtype">int</span> new_index = 0;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;  absl::flat_hash_map&lt;int, int&gt; mapping;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> node : nodes) {</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    mapping[node] = new_index++;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  }</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  <span class="comment">// Remap the arcs.</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> arc = 0; arc &lt; num_arcs; ++arc) {</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    (*tails)[arc] = mapping[(*tails)[arc]];</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    (*heads)[arc] = mapping[(*heads)[arc]];</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;  }</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  <span class="keywordflow">return</span> nodes.size();</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;}</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="comment">// ============================================================================</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="comment">// Model based functions.</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="comment">// ============================================================================</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160; </div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment">// This just wraps CircuitPropagator. See the comment there to see what this</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">// does. Note that any nodes with no outoing or no incoming arc will cause the</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment">// problem to be UNSAT. One can call ReindexArcs() first to ignore such nodes.</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;std::function&lt;void(Model*)&gt; <a class="code" href="namespaceoperations__research_1_1sat.html#a3c25e2ace66c05a1078d9d8128ca33c3">SubcircuitConstraint</a>(</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    <span class="keywordtype">int</span> num_nodes, <span class="keyword">const</span> std::vector&lt;int&gt;&amp; tails, <span class="keyword">const</span> std::vector&lt;int&gt;&amp; heads,</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    <span class="keyword">const</span> std::vector&lt;Literal&gt;&amp; literals,</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    <span class="keywordtype">bool</span> multiple_subcircuit_through_zero = <span class="keyword">false</span>);</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160; </div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="comment">// TODO(user): Change to a sparse API like for the function above.</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;std::function&lt;void(Model*)&gt; <a class="code" href="namespaceoperations__research_1_1sat.html#a505d58583f35441cea048e6a69453099">ExactlyOnePerRowAndPerColumn</a>(</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    <span class="keyword">const</span> std::vector&lt;std::vector&lt;Literal&gt;&gt;&amp; graph);</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;std::function&lt;void(Model*)&gt; <a class="code" href="namespaceoperations__research_1_1sat.html#a42094dcdae62a62bd5d269e1223f7f30">CircuitCovering</a>(</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    <span class="keyword">const</span> std::vector&lt;std::vector&lt;Literal&gt;&gt;&amp; graph,</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    <span class="keyword">const</span> std::vector&lt;int&gt;&amp; distinguished_nodes);</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160; </div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;}  <span class="comment">// namespace sat</span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;}  <span class="comment">// namespace operations_research</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="preprocessor">#endif  // OR_TOOLS_SAT_CIRCUIT_H_</span></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
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<div class="ttc" id="amacros_8h_html"><div class="ttname"><a href="macros_8h.html">macros.h</a></div></div>
<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>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_propagator_html_a45321337f970685d9847db005c4b3de1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_propagator.html#a45321337f970685d9847db005c4b3de1">operations_research::sat::CircuitPropagator::IncrementalPropagate</a></div><div class="ttdeci">bool IncrementalPropagate(const std::vector&lt; int &gt; &amp;watch_indices) final</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00153">circuit.cc:153</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_a154741eb694fbdb51b431c9c0d404496"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a154741eb694fbdb51b431c9c0d404496">operations_research::sat::CircuitCoveringPropagator::CircuitCoveringPropagator</a></div><div class="ttdeci">CircuitCoveringPropagator(std::vector&lt; std::vector&lt; Literal &gt;&gt; graph, const std::vector&lt; int &gt; &amp;distinguished_nodes, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00308">circuit.cc:308</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_propagator.html">operations_research::sat::CircuitPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="circuit_8h_source.html#l00044">circuit.h:44</a></div></div>
<div class="ttc" id="asat__base_8h_html"><div class="ttname"><a href="sat__base_8h.html">sat_base.h</a></div></div>
<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#l01091">integer.h:1091</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3c25e2ace66c05a1078d9d8128ca33c3"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3c25e2ace66c05a1078d9d8128ca33c3">operations_research::sat::SubcircuitConstraint</a></div><div class="ttdeci">std::function&lt; void(Model *)&gt; SubcircuitConstraint(int num_nodes, const std::vector&lt; int &gt; &amp;tails, const std::vector&lt; int &gt; &amp;heads, const std::vector&lt; Literal &gt; &amp;literals, bool multiple_subcircuit_through_zero)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00471">circuit.cc:471</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_propagator_html_a6ee8ed57254aec3ae99d399bae5b3736"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">operations_research::sat::CircuitPropagator::RegisterWith</a></div><div class="ttdeci">void RegisterWith(GenericLiteralWatcher *watcher)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00092">circuit.cc:92</a></div></div>
<div class="ttc" id="aint__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
<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>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_ac1fe9b1f2b978c4283e42f12e586eb1e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">operations_research::sat::CircuitCoveringPropagator::Propagate</a></div><div class="ttdeci">bool Propagate() final</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00374">circuit.cc:374</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a42094dcdae62a62bd5d269e1223f7f30"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a42094dcdae62a62bd5d269e1223f7f30">operations_research::sat::CircuitCovering</a></div><div class="ttdeci">std::function&lt; void(Model *)&gt; CircuitCovering(const std::vector&lt; std::vector&lt; Literal &gt;&gt; &amp;graph, const std::vector&lt; int &gt; &amp;distinguished_nodes)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00513">circuit.cc:513</a></div></div>
<div class="ttc" id="arev_8h_html"><div class="ttname"><a href="rev_8h.html">rev.h</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html">operations_research::sat::CircuitCoveringPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="circuit_8h_source.html#l00131">circuit.h:131</a></div></div>
<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#l00269">gurobi_interface.cc:269</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html">operations_research::sat::Literal</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00064">sat_base.h:64</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_propagator_html_a176d2c659864433ccd869b5fba8d57af"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_propagator.html#a176d2c659864433ccd869b5fba8d57af">operations_research::sat::CircuitPropagator::SetLevel</a></div><div class="ttdeci">void SetLevel(int level) final</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00108">circuit.cc:108</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_reversible_interface_html"><div class="ttname"><a href="classoperations__research_1_1_reversible_interface.html">operations_research::ReversibleInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00029">rev.h:29</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_a6ee8ed57254aec3ae99d399bae5b3736"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736">operations_research::sat::CircuitCoveringPropagator::RegisterWith</a></div><div class="ttdeci">void RegisterWith(GenericLiteralWatcher *watcher)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00320">circuit.cc:320</a></div></div>
<div class="ttc" id="astructoperations__research_1_1sat_1_1_circuit_propagator_1_1_options_html_af1123baeaa5412b68d37d8adf43ccb7c"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html#af1123baeaa5412b68d37d8adf43ccb7c">operations_research::sat::CircuitPropagator::Options::multiple_subcircuit_through_zero</a></div><div class="ttdeci">bool multiple_subcircuit_through_zero</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8h_source.html#l00049">circuit.h:49</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a8f4f9889ab3527ce5381ed32e2fae25a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a8f4f9889ab3527ce5381ed32e2fae25a">operations_research::sat::ReindexArcs</a></div><div class="ttdeci">int ReindexArcs(IntContainer *tails, IntContainer *heads)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8h_source.html#l00168">circuit.h:168</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_propagator_html_ab724d1b4067da7ec830cb4d1b8284ee7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_propagator.html#ab724d1b4067da7ec830cb4d1b8284ee7">operations_research::sat::CircuitPropagator::CircuitPropagator</a></div><div class="ttdeci">CircuitPropagator(int num_nodes, const std::vector&lt; int &gt; &amp;tails, const std::vector&lt; int &gt; &amp;heads, const std::vector&lt; Literal &gt; &amp;literals, Options options, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00025">circuit.cc:25</a></div></div>
<div class="ttc" id="astructoperations__research_1_1sat_1_1_circuit_propagator_1_1_options_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html">operations_research::sat::CircuitPropagator::Options</a></div><div class="ttdef"><b>Definition:</b> <a href="circuit_8h_source.html#l00046">circuit.h:46</a></div></div>
<div class="ttc" id="anamespaceabsl_html"><div class="ttname"><a href="namespaceabsl.html">absl</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00022">cleanup.h:22</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_propagator_html_ac1fe9b1f2b978c4283e42f12e586eb1e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e">operations_research::sat::CircuitPropagator::Propagate</a></div><div class="ttdeci">bool Propagate() final</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00197">circuit.cc:197</a></div></div>
<div class="ttc" id="arouting__flow_8cc_html_ac891d9f514e55ec8ee1212757a147888"><div class="ttname"><a href="routing__flow_8cc.html#ac891d9f514e55ec8ee1212757a147888">head</a></div><div class="ttdeci">int64 head</div><div class="ttdef"><b>Definition:</b> <a href="routing__flow_8cc_source.html#l00128">routing_flow.cc:128</a></div></div>
<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#l00122">sat_base.h:122</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_a45321337f970685d9847db005c4b3de1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a45321337f970685d9847db005c4b3de1">operations_research::sat::CircuitCoveringPropagator::IncrementalPropagate</a></div><div class="ttdeci">bool IncrementalPropagate(const std::vector&lt; int &gt; &amp;watch_indices) final</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00353">circuit.cc:353</a></div></div>
<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html">operations_research::sat::Trail</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00233">sat_base.h:233</a></div></div>
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