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<a href="drat__proof__handler_8cc.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 2010-2021 Google LLC</span></div><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><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><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><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div><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><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><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><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><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><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><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="drat__proof__handler_8h.html">ortools/sat/drat_proof_handler.h</a>"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "absl/memory/memory.h"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="strong__vector_8h.html">ortools/base/strong_vector.h</a>"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>sat {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a08cc2dddb504d68ced5d41595b3d7dfb"> 26</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a08cc2dddb504d68ced5d41595b3d7dfb">DratProofHandler::DratProofHandler</a>()</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  : variable_index_(0), drat_checker_(new <a class="code" href="classoperations__research_1_1sat_1_1_drat_checker.html">DratChecker</a>()) {}</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a1959decec35d8f45e34c827a99a77d1e"> 29</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a08cc2dddb504d68ced5d41595b3d7dfb">DratProofHandler::DratProofHandler</a>(<span class="keywordtype">bool</span> in_binary_format, <a class="code" href="class_file.html">File</a>* output,</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordtype">bool</span> check)</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  : variable_index_(0),</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  drat_writer_(new <a class="code" href="classoperations__research_1_1sat_1_1_drat_writer.html">DratWriter</a>(in_binary_format, output)) {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">if</span> (check) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  drat_checker_ = absl::make_unique<DratChecker>();</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a8155216960c6e1f5d476e1c28b2d34fa"> 38</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a8155216960c6e1f5d476e1c28b2d34fa">DratProofHandler::ApplyMapping</a>(</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <a class="code" href="classabsl_1_1_strong_vector.html">absl::StrongVector<BooleanVariable, BooleanVariable></a>& mapping) {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="classabsl_1_1_strong_vector.html">absl::StrongVector<BooleanVariable, BooleanVariable></a> new_mapping;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">for</span> (BooleanVariable v(0); v < mapping.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(); ++v) {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">const</span> BooleanVariable image = mapping[v];</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span> (image != <a class="code" href="namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0">kNoBooleanVariable</a>) {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> (image >= new_mapping.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>())</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  new_mapping.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(image.value() + 1, <a class="code" href="namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0">kNoBooleanVariable</a>);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(new_mapping[image], <a class="code" href="namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0">kNoBooleanVariable</a>);</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  new_mapping[image] =</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  v < reverse_mapping_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>() ? reverse_mapping_[v] : v;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(new_mapping[image], <a class="code" href="namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0">kNoBooleanVariable</a>);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2">std::swap</a>(new_mapping, reverse_mapping_);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a0b58ef3a397720b272662f8bc45585cb"> 55</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a0b58ef3a397720b272662f8bc45585cb">DratProofHandler::SetNumVariables</a>(<span class="keywordtype">int</span> num_variables) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(num_variables, reverse_mapping_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">while</span> (reverse_mapping_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>() < num_variables) {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  reverse_mapping_.<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(BooleanVariable(variable_index_++));</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#af78b6dc2106ca6744f8d69cf5a70dfa4"> 62</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#af78b6dc2106ca6744f8d69cf5a70dfa4">DratProofHandler::AddOneVariable</a>() {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  reverse_mapping_.<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(BooleanVariable(variable_index_++));</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab"> 66</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab">DratProofHandler::AddProblemClause</a>(absl::Span<const Literal> clause) {</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (drat_checker_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  drat_checker_->AddProblemClause(clause);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a98bacf41c50979896b4a5f5e41fb0ccf"> 72</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a98bacf41c50979896b4a5f5e41fb0ccf">DratProofHandler::AddClause</a>(absl::Span<const Literal> clause) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  MapClause(clause);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (drat_checker_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  drat_checker_->AddInferedClause(values_);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (drat_writer_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  drat_writer_->AddClause(values_);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a18349231154d0f5eaee94fe213f347e6"> 82</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a18349231154d0f5eaee94fe213f347e6">DratProofHandler::DeleteClause</a>(absl::Span<const Literal> clause) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  MapClause(clause);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (drat_checker_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  drat_checker_->DeleteClause(values_);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (drat_writer_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  drat_writer_->DeleteClause(values_);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a29037e50da43e6bda147d22c452fb91d"> 92</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">DratChecker::Status</a> <a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a29037e50da43e6bda147d22c452fb91d">DratProofHandler::Check</a>(<span class="keywordtype">double</span> max_time_in_seconds) {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (drat_checker_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// The empty clause is not explicitly added by the solver.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  drat_checker_->AddInferedClause({});</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> drat_checker_->Check(max_time_in_seconds);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a6ce26a62afab55d7606ad4e92428b30c">DratChecker::Status::UNKNOWN</a>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keywordtype">void</span> DratProofHandler::MapClause(absl::Span<const Literal> clause) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  values_.clear();</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> l : clause) {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(l.Variable(), reverse_mapping_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> original_literal =</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>(reverse_mapping_[l.Variable()], l.IsPositive());</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  values_.push_back(original_literal);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// The sorting is such that new variables appear first. This is important for</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// BVA since DRAT-trim only check the RAT property with respect to the first</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// variable of the clause.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  std::sort(values_.begin(), values_.end(), [](Literal <a class="code" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, Literal <a class="code" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>) {</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> std::abs(<a class="code" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>.SignedValue()) > std::abs(<a class="code" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>.SignedValue());</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  });</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> } <span class="comment">// namespace sat</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> } <span class="comment">// namespace operations_research</span></div><div class="ttc" id="classoperations__research_1_1sat_1_1_drat_writer_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_writer.html">operations_research::sat::DratWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="drat__writer_8h_source.html#l00036">drat_writer.h:36</a></div></div>
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<div class="ttc" id="base_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9"><div class="ttname"><a href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a></div><div class="ttdeci">#define CHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00706">base/logging.h:706</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_a08cc2dddb504d68ced5d41595b3d7dfb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a08cc2dddb504d68ced5d41595b3d7dfb">operations_research::sat::DratProofHandler::DratProofHandler</a></div><div class="ttdeci">DratProofHandler()</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00026">drat_proof_handler.cc:26</a></div></div>
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<div class="ttc" id="class_file_html"><div class="ttname"><a href="class_file.html">File</a></div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00032">base/file.h:32</a></div></div>
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<div class="ttc" id="int__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_af78b6dc2106ca6744f8d69cf5a70dfa4"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#af78b6dc2106ca6744f8d69cf5a70dfa4">operations_research::sat::DratProofHandler::AddOneVariable</a></div><div class="ttdeci">void AddOneVariable()</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00062">drat_proof_handler.cc:62</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1math__opt_html_a5de89a1f6e3f80a49a0d76136d8044e2"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2">operations_research::math_opt::swap</a></div><div class="ttdeci">void swap(IdMap< K, V > &a, IdMap< K, V > &b)</div><div class="ttdef"><b>Definition:</b> <a href="id__map_8h_source.html#l00263">id_map.h:263</a></div></div>
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<div class="ttc" id="classoperations__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#l00066">sat_base.h:66</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_a98bacf41c50979896b4a5f5e41fb0ccf"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a98bacf41c50979896b4a5f5e41fb0ccf">operations_research::sat::DratProofHandler::AddClause</a></div><div class="ttdeci">void AddClause(absl::Span< const Literal > clause)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00072">drat_proof_handler.cc:72</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_a8155216960c6e1f5d476e1c28b2d34fa"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a8155216960c6e1f5d476e1c28b2d34fa">operations_research::sat::DratProofHandler::ApplyMapping</a></div><div class="ttdeci">void ApplyMapping(const absl::StrongVector< BooleanVariable, BooleanVariable > &mapping)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00038">drat_proof_handler.cc:38</a></div></div>
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<div class="ttc" id="constraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a></div><div class="ttdeci">int64_t b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00047">constraint_solver/table.cc:47</a></div></div>
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<div class="ttc" id="base_2logging_8h_html_a4bd2e815ca2f702a4b6aa744b1ff3b82"><div class="ttname"><a href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a></div><div class="ttdeci">#define CHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00705">base/logging.h:705</a></div></div>
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<div class="ttc" id="strong__vector_8h_html"><div class="ttname"><a href="strong__vector_8h.html">strong_vector.h</a></div></div>
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<div class="ttc" id="classabsl_1_1_strong_vector_html_a4e3670a285a3642eaa07f66766cffa72"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">absl::StrongVector::resize</a></div><div class="ttdeci">void resize(size_type new_size)</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00150">strong_vector.h:150</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1sat_html_add67896a84f6372a648154c5770a0ae0"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0">operations_research::sat::kNoBooleanVariable</a></div><div class="ttdeci">const BooleanVariable kNoBooleanVariable(-1)</div></div>
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<div class="ttc" id="drat__proof__handler_8h_html"><div class="ttname"><a href="drat__proof__handler_8h.html">drat_proof_handler.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_a18349231154d0f5eaee94fe213f347e6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a18349231154d0f5eaee94fe213f347e6">operations_research::sat::DratProofHandler::DeleteClause</a></div><div class="ttdeci">void DeleteClause(absl::Span< const Literal > clause)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00082">drat_proof_handler.cc:82</a></div></div>
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<div class="ttc" id="classabsl_1_1_strong_vector_html_a9263000d449fdccb6cb70b303063e60b"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">absl::StrongVector::push_back</a></div><div class="ttdeci">void push_back(const value_type &x)</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00158">strong_vector.h:158</a></div></div>
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<div class="ttc" id="base_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#l00702">base/logging.h:702</a></div></div>
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<div class="ttc" id="classabsl_1_1_strong_vector_html_a60304b65bf89363bcc3165d3cde67f86"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">absl::StrongVector::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00147">strong_vector.h:147</a></div></div>
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<div class="ttc" id="base_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="classabsl_1_1_strong_vector_html"><div class="ttname"><a href="classabsl_1_1_strong_vector.html">absl::StrongVector< BooleanVariable, BooleanVariable ></a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_a0b58ef3a397720b272662f8bc45585cb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a0b58ef3a397720b272662f8bc45585cb">operations_research::sat::DratProofHandler::SetNumVariables</a></div><div class="ttdeci">void SetNumVariables(int num_variables)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00055">drat_proof_handler.cc:55</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_a29037e50da43e6bda147d22c452fb91d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a29037e50da43e6bda147d22c452fb91d">operations_research::sat::DratProofHandler::Check</a></div><div class="ttdeci">DratChecker::Status Check(double max_time_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00092">drat_proof_handler.cc:92</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a6ce26a62afab55d7606ad4e92428b30c"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a6ce26a62afab55d7606ad4e92428b30c">operations_research::sat::UNKNOWN</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00243">cp_model.pb.h:243</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_proof_handler_html_a54bb4f51333a0efceaf20de7b506e4ab"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab">operations_research::sat::DratProofHandler::AddProblemClause</a></div><div class="ttdeci">void AddProblemClause(absl::Span< const Literal > clause)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00066">drat_proof_handler.cc:66</a></div></div>
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<div class="ttc" id="namespaceoperations__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="classoperations__research_1_1sat_1_1_drat_checker_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::sat::DratChecker::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="drat__checker_8h_source.html#l00077">drat_checker.h:77</a></div></div>
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<div class="ttc" id="base_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00703">base/logging.h:703</a></div></div>
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<div class="ttc" id="classoperations__research_1_1sat_1_1_drat_checker_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_checker.html">operations_research::sat::DratChecker</a></div><div class="ttdef"><b>Definition:</b> <a href="drat__checker_8h_source.html#l00041">drat_checker.h:41</a></div></div>
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<div class="ttc" id="constraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a></div><div class="ttdeci">int64_t a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00046">constraint_solver/table.cc:46</a></div></div>
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