2331 lines
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2331 lines
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 <span id="projectnumber">8.2</span>
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<div class="title">integer.cc</div> </div>
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<a href="integer_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 2010-2018 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">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <queue></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <type_traits></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 "<a class="code" href="iterator__adaptors_8h.html">ortools/base/iterator_adaptors.h</a>"</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="stl__util_8h.html">ortools/base/stl_util.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="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</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="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>sat {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22"> 27</a></span> std::vector<IntegerVariable> <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">const</span> std::vector<IntegerVariable>& vars) {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  std::vector<IntegerVariable> result(vars.size());</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < vars.size(); ++i) {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  result[i] = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(vars[i]);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> result;</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>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1fc2c45d01fd348f668c2f7407015a20"> 36</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1fc2c45d01fd348f668c2f7407015a20">IntegerEncoder::FullyEncodeVariable</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ac9e262bbda19ec4b7d51bd77b70bb363">VariableIsFullyEncoded</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(0, sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>());</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!(*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].IsEmpty()); <span class="comment">// UNSAT. We don't deal with that here.</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>((*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Size(), 100000)</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  << <span class="stringliteral">"Domain too large for full encoding."</span>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// TODO(user): Maybe we can optimize the literal creation order and their</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// polarity as our default SAT heuristics initially depends on this.</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// TODO(user): Currently, in some corner cases,</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// GetOrCreateLiteralAssociatedToEquality() might trigger some propagation</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// that update the domain of var, so we need to cache the values to not read</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// garbage. Note that it is okay to call the function on values no longer</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// reachable, as this will just do nothing.</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  tmp_values_.clear();</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_closed_interval.html">ClosedInterval</a> <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> : (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">for</span> (IntegerValue v(<a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.start); v <= <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.end; ++v) {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  tmp_values_.push_back(v);</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerValue v : tmp_values_) {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a074fe196a1aaff1dd5fd73e0b3bb1f0e">GetOrCreateLiteralAssociatedToEquality</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, v);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// Mark var and Negation(var) as fully encoded.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">GetPositiveOnlyIndex</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), is_fully_encoded_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!equality_by_var_[<a class="code" href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">GetPositiveOnlyIndex</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)].empty());</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  is_fully_encoded_[<a class="code" href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">GetPositiveOnlyIndex</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)] = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</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"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ac9e262bbda19ec4b7d51bd77b70bb363"> 68</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ac9e262bbda19ec4b7d51bd77b70bb363">IntegerEncoder::VariableIsFullyEncoded</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> PositiveOnlyIndex <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">GetPositiveOnlyIndex</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> >= is_fully_encoded_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// Once fully encoded, the status never changes.</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (is_fully_encoded_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1sat.html#ae2544d2a3a5ef4c78f8e5891f104ab41">VariableIsPositive</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">PositiveVariable</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// TODO(user): Cache result as long as equality_by_var_[index] is unchanged?</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// It might not be needed since if the variable is not fully encoded, then</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// PartialDomainEncoding() will filter unreachable values, and so the size</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// check will be false until further value have been encoded.</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> initial_domain_size = (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Size();</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (equality_by_var_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>].size() < initial_domain_size) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// This cleans equality_by_var_[index] as a side effect and in particular,</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// sorts it by values.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ab201ab39898b8838654873c79086af7d">PartialDomainEncoding</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// TODO(user): Comparing the size might be enough, but we want to be always</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// valid even if either (*domains_[var]) or PartialDomainEncoding(var) are</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// not properly synced because the propagation is not finished.</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& ref = equality_by_var_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> i = 0;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_closed_interval.html">ClosedInterval</a> <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> : (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> v = <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.start; v <= <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.end; ++v) {</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (i < ref.size() && v == ref[i].value) {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  i++;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (i == ref.size()) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  is_fully_encoded_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> is_fully_encoded_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> }</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> std::vector<IntegerEncoder::ValueLiteralPair></div>
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<div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#aa0a8be7c97692d0b4fdb2f13ba303f36"> 106</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#aa0a8be7c97692d0b4fdb2f13ba303f36">IntegerEncoder::FullDomainEncoding</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ac9e262bbda19ec4b7d51bd77b70bb363">VariableIsFullyEncoded</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ab201ab39898b8838654873c79086af7d">PartialDomainEncoding</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> }</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> std::vector<IntegerEncoder::ValueLiteralPair></div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ab201ab39898b8838654873c79086af7d"> 112</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ab201ab39898b8838654873c79086af7d">IntegerEncoder::PartialDomainEncoding</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>(), 0);</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> PositiveOnlyIndex <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">GetPositiveOnlyIndex</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> >= equality_by_var_.size()) <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">int</span> new_size = 0;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  std::vector<ValueLiteralPair>& ref = equality_by_var_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < ref.size(); ++i) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html">ValueLiteralPair</a> pair = ref[i];</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(pair.<a class="code" href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(pair.<a class="code" href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ref.clear();</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  ref.push_back(pair);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  new_size = 1;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  ref[new_size++] = pair;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  ref.resize(new_size);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  std::sort(ref.begin(), ref.end());</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  std::vector<IntegerEncoder::ValueLiteralPair> result = ref;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1sat.html#ae2544d2a3a5ef4c78f8e5891f104ab41">VariableIsPositive</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  std::reverse(result.begin(), result.end());</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">for</span> (<a class="code" href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html">ValueLiteralPair</a>& ref : result) ref.value = -ref.value;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// Note that by not inserting the literal in "order" we can in the worst case</span></div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// use twice as much implication (2 by literals) instead of only one between</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// consecutive literals.</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> IntegerEncoder::AddImplications(</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> std::map<IntegerValue, Literal>& map,</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  std::map<IntegerValue, Literal>::const_iterator it,</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> associated_lit) {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (!add_implications_) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(it->second, associated_lit);</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// Literal(after) => associated_lit</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">auto</span> after_it = it;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  ++after_it;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (after_it != map.end()) {</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>(</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  {after_it->second.Negated(), associated_lit});</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// associated_lit => Literal(before)</span></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (it != map.begin()) {</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">auto</span> before_it = it;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  --before_it;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>(</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  {associated_lit.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>(), before_it->second});</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
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<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#abed80d7a82e03859d7abc22f93d1af81"> 168</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#abed80d7a82e03859d7abc22f93d1af81">IntegerEncoder::AddAllImplicationsBetweenAssociatedLiterals</a>() {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(0, sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>());</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  add_implications_ = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::map<IntegerValue, Literal>& encoding : encoding_by_var_) {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  LiteralIndex previous = <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>;</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> value_literal : encoding) {</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> lit = value_literal.second;</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (previous != <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>) {</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// lit => previous.</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#aac912e9410b8989493f492fcbb2d9094">AddBinaryClause</a>(lit.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>(), <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>(previous));</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  previous = lit.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62">Index</a>();</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> }</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
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<div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a4a1c84558c01bae528113b50c0611564"> 184</a></span> std::pair<IntegerLiteral, IntegerLiteral> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a4a1c84558c01bae528113b50c0611564">IntegerEncoder::Canonicalize</a>(</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>);</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  IntegerValue after(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>);</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  IntegerValue before(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> - 1);</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(before, (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Min());</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(after, (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Max());</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> previous = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_closed_interval.html">ClosedInterval</a>& <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> : (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) {</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (before > previous && before < <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.start) before = previous;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (after > previous && after < <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.start) after = <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.start;</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (after <= <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.end) <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  previous = <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.end;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> {<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, after),</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, before)};</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> }</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
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<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#afcd4038298bec97a2f7a61274c6ef8c7"> 202</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#afcd4038298bec97a2f7a61274c6ef8c7">IntegerEncoder::GetOrCreateAssociatedLiteral</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit) {</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> <= (*domains_)[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].Min()) {</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a6214f11086b9e522d69b127d1d1b8541">GetTrueLiteral</a>();</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> > (*domains_)[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].Max()) {</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a299520ab923d28b4ee3051fe476d69fe">GetFalseLiteral</a>();</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> <span class="keyword">auto</span> canonicalization = <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a4a1c84558c01bae528113b50c0611564">Canonicalize</a>(i_lit);</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> new_lit = canonicalization.first;</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> LiteralIndex <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1f45fc78bc701ed536087a92557a1fe7">GetAssociatedLiteral</a>(new_lit);</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> != <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>) <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">const</span> LiteralIndex n_index = <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1f45fc78bc701ed536087a92557a1fe7">GetAssociatedLiteral</a>(canonicalization.second);</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (n_index != <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>) <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>(n_index).<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>();</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  ++num_created_variables_;</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>(sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a43684a0a8ef85b1cea0076dba3fb271d">NewBooleanVariable</a>(), <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#af2f5ad9df8701dacbf53b9a6159d903d">AssociateToIntegerLiteral</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, new_lit);</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// TODO(user): on some problem this happens. We should probably make sure that</span></div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// we don't create extra fixed Boolean variable for no reason.</span></div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815">LiteralIsAssigned</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Created a fixed literal for no reason!"</span>;</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>;</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> }</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> std::pair<PositiveOnlyIndex, IntegerValue> PositiveVarKey(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  IntegerValue <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> std::make_pair(<a class="code" href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">GetPositiveOnlyIndex</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>),</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#ae2544d2a3a5ef4c78f8e5891f104ab41">VariableIsPositive</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) ? <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : -<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
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<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#aeb5e5f3cc640cb66579413a29528d223"> 238</a></span> LiteralIndex <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#aeb5e5f3cc640cb66579413a29528d223">IntegerEncoder::GetAssociatedEqualityLiteral</a>(</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">const</span> <span class="keyword">auto</span> it =</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  equality_to_associated_literal_.find(PositiveVarKey(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (it != equality_to_associated_literal_.end()) {</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> it->second.Index();</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>;</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
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<div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a074fe196a1aaff1dd5fd73e0b3bb1f0e"> 248</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a074fe196a1aaff1dd5fd73e0b3bb1f0e">IntegerEncoder::GetOrCreateLiteralAssociatedToEquality</a>(</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  {</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> <span class="keyword">auto</span> it =</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  equality_to_associated_literal_.find(PositiveVarKey(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (it != equality_to_associated_literal_.end()) {</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> it->second;</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Check for trivial true/false literal to avoid creating variable for no</span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">// reasons.</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>& domain = (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (!domain.<a class="code" href="classoperations__research_1_1_domain.html#ab5228a93ebd3b866fc792ad8e5fe8fdc">Contains</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>.value())) <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a299520ab923d28b4ee3051fe476d69fe">GetFalseLiteral</a>();</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>() && <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>()) {</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a5d4a4c93f937463d529aabb222804816">AssociateToIntegerEqualValue</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a6214f11086b9e522d69b127d1d1b8541">GetTrueLiteral</a>(), <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a6214f11086b9e522d69b127d1d1b8541">GetTrueLiteral</a>();</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  ++num_created_variables_;</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>(sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a43684a0a8ef85b1cea0076dba3fb271d">NewBooleanVariable</a>(), <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a5d4a4c93f937463d529aabb222804816">AssociateToIntegerEqualValue</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// TODO(user): this happens on some problem. We should probably</span></div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// make sure that we don't create extra fixed Boolean variable for no reason.</span></div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// Note that here we could detect the case before creating the literal. The</span></div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// initial domain didn't contain it, but maybe the one of (>= value) or (<=</span></div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// value) is false?</span></div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815">LiteralIsAssigned</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Created a fixed literal for no reason!"</span>;</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> }</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
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<div class="line"><a name="l00282"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#af2f5ad9df8701dacbf53b9a6159d903d"> 282</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#af2f5ad9df8701dacbf53b9a6159d903d">IntegerEncoder::AssociateToIntegerLiteral</a>(<a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>,</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit) {</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& domain = (*domains_)[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>];</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">const</span> IntegerValue <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a>(domain.Min());</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">const</span> IntegerValue <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a>(domain.Max());</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> <= <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a>) {</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#afbbbc2f0845a82a5a5cfb3f00a61abe9">AddUnitClause</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> > <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a>) {</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#afbbbc2f0845a82a5a5cfb3f00a61abe9">AddUnitClause</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated());</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pair = <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a4a1c84558c01bae528113b50c0611564">Canonicalize</a>(i_lit);</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  HalfAssociateGivenLiteral(pair.first, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  HalfAssociateGivenLiteral(pair.second, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated());</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  </div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// Detect the case >= max or <= min and properly register them. Note that</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// both cases will happen at the same time if there is just two possible</span></div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// value in the domain.</span></div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (pair.first.bound == <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a>) {</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a5d4a4c93f937463d529aabb222804816">AssociateToIntegerEqualValue</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>, <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a>);</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (-pair.second.bound == <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a>) {</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a5d4a4c93f937463d529aabb222804816">AssociateToIntegerEqualValue</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated(), i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>, <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a>);</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> }</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div>
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<div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a5d4a4c93f937463d529aabb222804816"> 308</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a5d4a4c93f937463d529aabb222804816">IntegerEncoder::AssociateToIntegerEqualValue</a>(<a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>,</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  IntegerValue <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">// Detect literal view. Note that the same literal can be associated to more</span></div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// than one variable, and thus already have a view. We don't change it in</span></div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// this case.</span></div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>& domain = (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == 1 && domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>() >= 0 && domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>() <= 1) {</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index() >= literal_view_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) {</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  literal_view_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index().value() + 1, <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>);</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  literal_view_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()] = <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (literal_view_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()] == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  literal_view_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()] = <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  }</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == -1 && domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>() >= -1 && domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>() <= 0) {</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index() >= literal_view_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) {</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  literal_view_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index().value() + 1, <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>);</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  literal_view_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()] = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (literal_view_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()] == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  literal_view_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()] = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  </div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="comment">// We use the "do not insert if present" behavior of .insert() to do just one</span></div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// lookup.</span></div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">const</span> <span class="keyword">auto</span> insert_result = equality_to_associated_literal_.insert(</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  {PositiveVarKey(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>), <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>});</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (!insert_result.second) {</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="comment">// If this key is already associated, make the two literals equal.</span></div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a> = insert_result.first->second;</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span> (<a class="code" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a> != <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>) {</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <a class="code" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>(), 0);</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>({<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a>.Negated()});</div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>({<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated(), <a class="code" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a>});</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  }</div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  </div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="comment">// Fix literal for value outside the domain.</span></div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">if</span> (!domain.<a class="code" href="classoperations__research_1_1_domain.html#ab5228a93ebd3b866fc792ad8e5fe8fdc">Contains</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>.value())) {</div>
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|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#afbbbc2f0845a82a5a5cfb3f00a61abe9">AddUnitClause</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated());</div>
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|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  </div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// Update equality_by_var. Note that due to the</span></div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="comment">// equality_to_associated_literal_ hash table, there should never be any</span></div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">// duplicate values for a given variable.</span></div>
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|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">const</span> PositiveOnlyIndex <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">GetPositiveOnlyIndex</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> >= equality_by_var_.size()) {</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  equality_by_var_.resize(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.value() + 1);</div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  is_fully_encoded_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.value() + 1);</div>
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|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
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|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  equality_by_var_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>].push_back(</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html">ValueLiteralPair</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#ae2544d2a3a5ef4c78f8e5891f104ab41">VariableIsPositive</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) ? <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : -<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>));</div>
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|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  </div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">// Fix literal for constant domain.</span></div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>() && <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>()) {</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#afbbbc2f0845a82a5a5cfb3f00a61abe9">AddUnitClause</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  }</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  </div>
|
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> ge = <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> le = <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="comment">// Special case for the first and last value.</span></div>
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|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>()) {</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="comment">// Note that this will recursively call AssociateToIntegerEqualValue() but</span></div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="comment">// since equality_to_associated_literal_[] is now set, the recursion will</span></div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">// stop there. When a domain has just 2 values, this allows to call just</span></div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// once AssociateToIntegerEqualValue() and also associate the other value to</span></div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// the negation of the given literal.</span></div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#af2f5ad9df8701dacbf53b9a6159d903d">AssociateToIntegerLiteral</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, le);</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>()) {</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#af2f5ad9df8701dacbf53b9a6159d903d">AssociateToIntegerLiteral</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, ge);</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// (var == value) <=> (var >= value) and (var <= value).</span></div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#afcd4038298bec97a2f7a61274c6ef8c7">GetOrCreateAssociatedLiteral</a>(ge));</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#afcd4038298bec97a2f7a61274c6ef8c7">GetOrCreateAssociatedLiteral</a>(le));</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>({<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated()});</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>({<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated()});</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>({<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.Negated(), <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>.Negated(), <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>});</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  </div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="comment">// Update reverse encoding.</span></div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> new_size = 1 + <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index().value();</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">if</span> (new_size > full_reverse_encoding_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) {</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  full_reverse_encoding_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(new_size);</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  full_reverse_encoding_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()].<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(le);</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  full_reverse_encoding_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()].<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(ge);</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> }</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  </div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment">// TODO(user): The hard constraints we add between associated literals seems to</span></div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment">// work for optional variables, but I am not 100% sure why!! I think it works</span></div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment">// because these literals can only appear in a conflict if the presence literal</span></div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment">// of the optional variables is true.</span></div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="keywordtype">void</span> IntegerEncoder::HalfAssociateGivenLiteral(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit,</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>) {</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="comment">// Resize reverse encoding.</span></div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> new_size = 1 + <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index().value();</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span> (new_size > reverse_encoding_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) {</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  reverse_encoding_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(new_size);</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (new_size > full_reverse_encoding_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) {</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  full_reverse_encoding_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(new_size);</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  </div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// Associate the new literal to i_lit.</span></div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a> >= encoding_by_var_.size()) {</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  encoding_by_var_.resize(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>.value() + 1);</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keyword">auto</span>& var_encoding = encoding_by_var_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>];</div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keyword">auto</span> insert_result = var_encoding.insert({i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>});</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (insert_result.second) { <span class="comment">// New item.</span></div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  AddImplications(var_encoding, insert_result.first, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">if</span> (sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>() == 0) {</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  newly_fixed_integer_literals_.push_back(i_lit);</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// TODO(user): do that for the other branch too?</span></div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  reverse_encoding_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()].<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(i_lit);</div>
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|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  full_reverse_encoding_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()].<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(i_lit);</div>
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|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keyword">const</span> Literal associated(insert_result.first->second);</div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">if</span> (associated != <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>) {</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <a class="code" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>(), 0);</div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>({<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, associated.Negated()});</div>
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  sat_solver_-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">AddClauseDuringSearch</a>({<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Negated(), associated});</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div>
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|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> }</div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  </div>
|
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<div class="line"><a name="l00446"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a8c19f2eec83fb50364c047f113e6dd5d"> 446</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a8c19f2eec83fb50364c047f113e6dd5d">IntegerEncoder::LiteralIsAssociated</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a> >= encoding_by_var_.size()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keyword">const</span> std::map<IntegerValue, Literal>& encoding = encoding_by_var_[i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>];</div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> encoding.find(i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>) != encoding.end();</div>
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|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> }</div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  </div>
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<div class="line"><a name="l00452"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1f45fc78bc701ed536087a92557a1fe7"> 452</a></span> LiteralIndex <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1f45fc78bc701ed536087a92557a1fe7">IntegerEncoder::GetAssociatedLiteral</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">if</span> (i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a> >= encoding_by_var_.size()) <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>;</div>
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|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keyword">const</span> std::map<IntegerValue, Literal>& encoding = encoding_by_var_[i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>];</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keyword">const</span> <span class="keyword">auto</span> result = encoding.find(i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>);</div>
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|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">if</span> (result == encoding.end()) <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>;</div>
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|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">return</span> result->second.Index();</div>
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|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> }</div>
|
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<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
|
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<div class="line"><a name="l00460"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a18be901ad3327dbba70128fcb601c960"> 460</a></span> LiteralIndex <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a18be901ad3327dbba70128fcb601c960">IntegerEncoder::SearchForLiteralAtOrBefore</a>(</div>
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<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i, IntegerValue* <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="comment">// We take the element before the upper_bound() which is either the encoding</span></div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="comment">// of i if it already exists, or the encoding just before it.</span></div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">if</span> (i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a> >= encoding_by_var_.size()) <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>;</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">const</span> std::map<IntegerValue, Literal>& encoding = encoding_by_var_[i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>];</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">auto</span> after_it = encoding.upper_bound(i.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>);</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (after_it == encoding.begin()) <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>;</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  --after_it;</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  *<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> = after_it->first;</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">return</span> after_it->second.Index();</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> }</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  </div>
|
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<div class="line"><a name="l00473"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac72fc3390d9ea9586c9f6a7623301b78"> 473</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac72fc3390d9ea9586c9f6a7623301b78">IntegerTrail::~IntegerTrail</a>() {</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (parameters_.log_search_progress() && num_decisions_to_break_loop_ > 0) {</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Num decisions to break propagation loop: "</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  << num_decisions_to_break_loop_;</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> }</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  </div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a1f591be5334541874ba049873235f0a9"> 480</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a1f591be5334541874ba049873235f0a9">IntegerTrail::Propagate</a>(<a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail) {</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> level = trail-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>();</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">for</span> (<a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a>* rev : reversible_classes_) rev->SetLevel(level);</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  </div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="comment">// Make sure that our internal "integer_search_levels_" size matches the</span></div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="comment">// sat decision levels. At the level zero, integer_search_levels_ should</span></div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">// be empty.</span></div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">if</span> (level > integer_search_levels_.size()) {</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  integer_search_levels_.push_back(integer_trail_.size());</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  reason_decision_levels_.push_back(literals_reason_starts_.size());</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(trail-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>(), integer_search_levels_.size());</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  </div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="comment">// This is used to map any integer literal out of the initial variable domain</span></div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="comment">// into one that use one of the domain value.</span></div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  var_to_current_lb_interval_index_.<a class="code" href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(level);</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  </div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">// This is required because when loading a model it is possible that we add</span></div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">// (literal <-> integer literal) associations for literals that have already</span></div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">// been propagated here. This often happens when the presolve is off</span></div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="comment">// and many variables are fixed.</span></div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">// TODO(user): refactor the interaction IntegerTrail <-> IntegerEncoder so</span></div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">// that we can just push right away such literal. Unfortunately, this is is</span></div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="comment">// a big chunck of work.</span></div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">if</span> (level == 0) {</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit : encoder_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a52b7cb1c1d49421f48b583e4aaa550d8">NewlyFixedIntegerLiterals</a>()) {</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">IsCurrentlyIgnored</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(i_lit, {}, {})) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  encoder_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a514abe3126a2c805879836d2b24fa2a6">ClearNewlyFixedIntegerLiterals</a>();</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  </div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit : integer_literal_to_fix_) {</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">IsCurrentlyIgnored</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(i_lit, {}, {})) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  }</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  integer_literal_to_fix_.clear();</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  </div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</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> lit : literal_to_fix_) {</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">if</span> (trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(lit)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(lit)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#afb89e56bea39296ff292b51a84491875">EnqueueWithUnitReason</a>(lit);</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  literal_to_fix_.clear();</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  }</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  </div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="comment">// Process all the "associated" literals and Enqueue() the corresponding</span></div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="comment">// bounds.</span></div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">while</span> (propagation_trail_index_ < trail-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8ef12397d1682615bc3108c397734179">Index</a>()) {</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = (*trail)[<a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">propagation_trail_index_</a>++];</div>
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|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit : encoder_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a82ec3cdecf098fb24fdb467d334d3da3">GetIntegerLiterals</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
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<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">IsCurrentlyIgnored</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>)) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  </div>
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<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="comment">// The reason is simply the associated literal.</span></div>
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<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">if</span> (!EnqueueAssociatedIntegerLiteral(i_lit, <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
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<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
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<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  }</div>
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<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  }</div>
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<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  </div>
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<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> }</div>
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<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  </div>
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<div class="line"><a name="l00543"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#af46d3e8559a1951914b218e3ef4f34c7"> 543</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af46d3e8559a1951914b218e3ef4f34c7">IntegerTrail::Untrail</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>& trail, <span class="keywordtype">int</span> literal_trail_index) {</div>
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<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  ++num_untrails_;</div>
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<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> level = trail.<a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>();</div>
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<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  var_to_current_lb_interval_index_.<a class="code" href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(level);</div>
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<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">propagation_trail_index_</a> =</div>
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<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">propagation_trail_index_</a>, literal_trail_index);</div>
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<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  </div>
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">if</span> (level < first_level_without_full_propagation_) {</div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  first_level_without_full_propagation_ = -1;</div>
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<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  }</div>
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<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  </div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="comment">// Note that if a conflict was detected before Propagate() of this class was</span></div>
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<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="comment">// even called, it is possible that there is nothing to backtrack.</span></div>
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<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">if</span> (level >= integer_search_levels_.size()) <span class="keywordflow">return</span>;</div>
|
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<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> target = integer_search_levels_[level];</div>
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<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  integer_search_levels_.resize(level);</div>
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<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(target, vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
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<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(target, integer_trail_.size());</div>
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<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  </div>
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<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = integer_trail_.size() - 1; <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> >= target; --<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">if</span> (entry.var < 0) <span class="keywordflow">continue</span>; <span class="comment">// entry used by EnqueueLiteral().</span></div>
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|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  vars_[entry.var].current_trail_index = entry.prev_trail_index;</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  vars_[entry.var].current_bound =</div>
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<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  integer_trail_[entry.prev_trail_index].bound;</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  integer_trail_.resize(target);</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  </div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="comment">// Clear reason.</span></div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> old_size = reason_decision_levels_[level];</div>
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|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  reason_decision_levels_.resize(level);</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keywordflow">if</span> (old_size < literals_reason_starts_.size()) {</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  literals_reason_buffer_.resize(literals_reason_starts_[old_size]);</div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  </div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> bound_start = bounds_reason_starts_[old_size];</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  bounds_reason_buffer_.resize(bound_start);</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">if</span> (bound_start < trail_index_reason_buffer_.size()) {</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  trail_index_reason_buffer_.resize(bound_start);</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  }</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  </div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  literals_reason_starts_.resize(old_size);</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  bounds_reason_starts_.resize(old_size);</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  }</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  </div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// We notify the new level once all variables have been restored to their</span></div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">// old value.</span></div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">for</span> (<a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a>* rev : reversible_classes_) rev->SetLevel(level);</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> }</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a267d05a02fdcc9439a5a54bf9f0ccd3c"> 592</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a267d05a02fdcc9439a5a54bf9f0ccd3c">IntegerTrail::ReserveSpaceForNumVariables</a>(<span class="keywordtype">int</span> num_vars) {</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="comment">// Because we always create both a variable and its negation.</span></div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = 2 * num_vars;</div>
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|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a562f7b24b47d3e7632a9896935c14d8b">reserve</a>(size);</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  is_ignored_literals_.<a class="code" href="classabsl_1_1_strong_vector.html#a562f7b24b47d3e7632a9896935c14d8b">reserve</a>(size);</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  integer_trail_.reserve(size);</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  domains_-><a class="code" href="classabsl_1_1_strong_vector.html#a562f7b24b47d3e7632a9896935c14d8b">reserve</a>(size);</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  var_trail_index_cache_.<a class="code" href="classabsl_1_1_strong_vector.html#a562f7b24b47d3e7632a9896935c14d8b">reserve</a>(size);</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  tmp_var_to_trail_index_in_queue_.<a class="code" href="classabsl_1_1_strong_vector.html#a562f7b24b47d3e7632a9896935c14d8b">reserve</a>(size);</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> }</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  </div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa2d7b702e17a5cd4108b465385dd9acd"> 603</a></span> IntegerVariable <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ae0185af3cf5bae9f1a3b7dc646a305dc">IntegerTrail::AddIntegerVariable</a>(IntegerValue lower_bound,</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  IntegerValue upper_bound) {</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(lower_bound, <a class="code" href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">kMinIntegerValue</a>);</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(lower_bound, upper_bound);</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(upper_bound, <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>);</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(lower_bound >= 0 || lower_bound + <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a> >= upper_bound);</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(integer_search_levels_.empty());</div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <a class="code" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(), integer_trail_.size());</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  </div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keyword">const</span> IntegerVariable i(vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  is_ignored_literals_.<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>);</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>({lower_bound, <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(integer_trail_.size())});</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  integer_trail_.push_back({lower_bound, i});</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  domains_-><a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(lower_bound.value(), upper_bound.value()));</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  </div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="comment">// TODO(user): the is_ignored_literals_ Booleans are currently always the same</span></div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="comment">// for a variable and its negation. So it may be better not to store it twice</span></div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// so that we don't have to be careful when setting them.</span></div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(i).<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>(), vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  is_ignored_literals_.<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>);</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>({-upper_bound, <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(integer_trail_.size())});</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  integer_trail_.push_back({-upper_bound, <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(i)});</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  domains_-><a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(-upper_bound.value(), -lower_bound.value()));</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  </div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  var_trail_index_cache_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(), integer_trail_.size());</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  tmp_var_to_trail_index_in_queue_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(), 0);</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  </div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordflow">for</span> (<a class="code" href="classoperations__research_1_1_sparse_bitset.html">SparseBitset<IntegerVariable></a>* w : watchers_) {</div>
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|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  w->Resize(<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af88a18429909498405c450015f0a223a">NumIntegerVariables</a>());</div>
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|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  }</div>
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<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">return</span> i;</div>
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<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> }</div>
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<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  </div>
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<div class="line"><a name="l00636"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a662eb14d7a73271a68ebade146ae0356"> 636</a></span> IntegerVariable <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ae0185af3cf5bae9f1a3b7dc646a305dc">IntegerTrail::AddIntegerVariable</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>& domain) {</div>
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<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!domain.<a class="code" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>());</div>
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<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ae0185af3cf5bae9f1a3b7dc646a305dc">AddIntegerVariable</a>(IntegerValue(domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>()),</div>
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<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  IntegerValue(domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>()));</div>
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<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485">UpdateInitialDomain</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, domain));</div>
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<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">return</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> }</div>
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<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  </div>
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<div class="line"><a name="l00644"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#af4303d31360f06c50729f156b1fbc2a9"> 644</a></span> <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>& <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af4303d31360f06c50729f156b1fbc2a9">IntegerTrail::InitialVariableDomain</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">return</span> (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
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<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> }</div>
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<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  </div>
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<div class="line"><a name="l00648"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485"> 648</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485">IntegerTrail::UpdateInitialDomain</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="classoperations__research_1_1_domain.html">Domain</a> domain) {</div>
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<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>(), 0);</div>
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<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  </div>
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<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>& old_domain = <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af4303d31360f06c50729f156b1fbc2a9">InitialVariableDomain</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  domain = domain.<a class="code" href="classoperations__research_1_1_domain.html#a835826c4c5129b74553042a357a721ff">IntersectionWith</a>(old_domain);</div>
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<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="keywordflow">if</span> (old_domain == domain) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  </div>
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<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span> (domain.<a class="code" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = domain;</div>
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<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  (*domains_)[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)] = domain.<a class="code" href="classoperations__research_1_1_domain.html#a1e3aa02e2d8300db5f1fc12f6b3228fa">Negation</a>();</div>
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<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">if</span> (domain.<a class="code" href="classoperations__research_1_1_domain.html#a3dcbf23ccbed61ee64ec08a934f57a9c">NumIntervals</a>() > 1) {</div>
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<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  var_to_current_lb_interval_index_.<a class="code" href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128">Set</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, 0);</div>
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<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  var_to_current_lb_interval_index_.<a class="code" href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128">Set</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), 0);</div>
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<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  }</div>
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|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  </div>
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<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="comment">// TODO(user): That works, but it might be better to simply update the</span></div>
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<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="comment">// bounds here directly. This is because these function might call again</span></div>
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|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="comment">// UpdateInitialDomain(), and we will abort after realizing that the domain</span></div>
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<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="comment">// didn't change this time.</span></div>
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<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue(domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>())),</div>
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|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  {}, {}));</div>
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|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue(domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>())),</div>
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|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  {}, {}));</div>
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<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  </div>
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<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="comment">// Set to false excluded literals.</span></div>
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<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordtype">int</span> i = 0;</div>
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<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordtype">int</span> num_fixed = 0;</div>
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<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html">IntegerEncoder::ValueLiteralPair</a> pair :</div>
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<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  encoder_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#ab201ab39898b8838654873c79086af7d">PartialDomainEncoding</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">while</span> (i < domain.<a class="code" href="classoperations__research_1_1_domain.html#a3dcbf23ccbed61ee64ec08a934f57a9c">NumIntervals</a>() && pair.value > domain[i].<a class="code" href="classoperations__research_1_1_domain.html#a33fc82d1b38cc54c46504efd8d198686">end</a>) ++i;</div>
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<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keywordflow">if</span> (i == domain.<a class="code" href="classoperations__research_1_1_domain.html#a3dcbf23ccbed61ee64ec08a934f57a9c">NumIntervals</a>() || pair.value < domain[i].start) {</div>
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|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  ++num_fixed;</div>
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<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keywordflow">if</span> (trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(pair.literal)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keywordflow">if</span> (!trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(pair.literal)) {</div>
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<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#afb89e56bea39296ff292b51a84491875">EnqueueWithUnitReason</a>(pair.literal.Negated());</div>
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|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  }</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  }</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  }</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keywordflow">if</span> (num_fixed > 0) {</div>
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|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1)</div>
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|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  << <span class="stringliteral">"Domain intersection fixed "</span> << num_fixed</div>
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<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  << <span class="stringliteral">" equality literal corresponding to values outside the new domain."</span>;</div>
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<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  }</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  </div>
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|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> }</div>
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<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  </div>
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<div class="line"><a name="l00695"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a161bb1bb07b668c21249a7ffb6958fb1"> 695</a></span> IntegerVariable <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a161bb1bb07b668c21249a7ffb6958fb1">IntegerTrail::GetOrCreateConstantIntegerVariable</a>(</div>
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<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  IntegerValue <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="keyword">auto</span> insert = constant_map_.insert(std::make_pair(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>));</div>
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<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">if</span> (insert.second) { <span class="comment">// new element.</span></div>
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<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keyword">const</span> IntegerVariable new_var = <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ae0185af3cf5bae9f1a3b7dc646a305dc">AddIntegerVariable</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  insert.first->second = new_var;</div>
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<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> != 0) {</div>
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|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="comment">// Note that this might invalidate insert.first->second.</span></div>
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<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <a class="code" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&constant_map_, -<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(new_var));</div>
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<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  }</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="keywordflow">return</span> new_var;</div>
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|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  }</div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">return</span> insert.first->second;</div>
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|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> }</div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  </div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac5b0e86a4e870b2198a8d866efa51463"> 710</a></span> <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac5b0e86a4e870b2198a8d866efa51463">IntegerTrail::NumConstantVariables</a>()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="comment">// The +1 if for the special key zero (the only case when we have an odd</span></div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="comment">// number of entries).</span></div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">return</span> (constant_map_.size() + 1) / 2;</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> }</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  </div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a2df75a6456eaa2a1c2cc3255e4a91f29"> 716</a></span> <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a2df75a6456eaa2a1c2cc3255e4a91f29">IntegerTrail::FindTrailIndexOfVarBefore</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordtype">int</span> threshold)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="comment">// Optimization. We assume this is only called when computing a reason, so we</span></div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="comment">// can ignore this trail_index if we already need a more restrictive reason</span></div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="comment">// for this var.</span></div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_in_queue = tmp_var_to_trail_index_in_queue_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keywordflow">if</span> (threshold <= index_in_queue) {</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keywordflow">if</span> (index_in_queue != <a class="code" href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a>) has_dependency_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  }</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  </div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(threshold, vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="keywordtype">int</span> trail_index = vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].current_trail_index;</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  </div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="comment">// Check the validity of the cached index and use it if possible.</span></div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keywordflow">if</span> (trail_index > threshold) {</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> cached_index = var_trail_index_cache_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">if</span> (cached_index >= threshold && cached_index < trail_index &&</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  integer_trail_[cached_index].<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  trail_index = cached_index;</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  }</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  }</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  </div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keywordflow">while</span> (trail_index >= threshold) {</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  trail_index = integer_trail_[trail_index].prev_trail_index;</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">if</span> (trail_index >= var_trail_index_cache_threshold_) {</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  var_trail_index_cache_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = trail_index;</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  }</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  }</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  </div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keywordflow">return</span> trail_index < num_vars ? -1 : trail_index;</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> }</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  </div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> <span class="keywordtype">int</span> IntegerTrail::FindLowestTrailIndexThatExplainBound(</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>, vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_bound);</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> <= <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa68cc40c827bff2fb311040e2b848f9b">LevelZeroLowerBound</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>)) <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="keywordtype">int</span> trail_index = vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_trail_index;</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  </div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="comment">// Check the validity of the cached index and use it if possible. This caching</span></div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="comment">// mechanism is important in case of long chain of propagation on the same</span></div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="comment">// variable. Because during conflict resolution, we call</span></div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="comment">// FindLowestTrailIndexThatExplainBound() with lowest and lowest bound, this</span></div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="comment">// cache can transform a quadratic complexity into a linear one.</span></div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  {</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> cached_index = var_trail_index_cache_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>];</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="keywordflow">if</span> (cached_index < trail_index) {</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[cached_index];</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keywordflow">if</span> (entry.var == i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a> && entry.bound >= i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>) {</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  trail_index = cached_index;</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  }</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  }</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  }</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  </div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="keywordtype">int</span> prev_trail_index = trail_index;</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="keywordflow">if</span> (trail_index >= var_trail_index_cache_threshold_) {</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  var_trail_index_cache_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>] = trail_index;</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  }</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[trail_index];</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keywordflow">if</span> (entry.bound == i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>) <span class="keywordflow">return</span> trail_index;</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordflow">if</span> (entry.bound < i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>) <span class="keywordflow">return</span> prev_trail_index;</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  prev_trail_index = trail_index;</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  trail_index = entry.prev_trail_index;</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  }</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> }</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  </div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="comment">// TODO(user): Get rid of this function and only keep the trail index one?</span></div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa981297d0a648cd5c3fef40e2edebf8a"> 785</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa981297d0a648cd5c3fef40e2edebf8a">IntegerTrail::RelaxLinearReason</a>(</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  IntegerValue slack, absl::Span<const IntegerValue> coeffs,</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  std::vector<IntegerLiteral>* reason)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(slack, 0);</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="keywordflow">if</span> (slack == 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = reason->size();</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  tmp_indices_.resize(size);</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>((*reason)[i].<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>, <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>((*reason)[i].<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(coeffs[i], 0);</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  tmp_indices_[i] = vars_[(*reason)[i].var].current_trail_index;</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  }</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  </div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa981297d0a648cd5c3fef40e2edebf8a">RelaxLinearReason</a>(slack, coeffs, &tmp_indices_);</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  </div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  reason->clear();</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> i : tmp_indices_) {</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  reason->push_back(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(integer_trail_[i].<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  integer_trail_[i].<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>));</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  }</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> }</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  </div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa527950bda17efaeae8589c561d1b453"> 807</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa527950bda17efaeae8589c561d1b453">IntegerTrail::AppendRelaxedLinearReason</a>(</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  IntegerValue slack, absl::Span<const IntegerValue> coeffs,</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  absl::Span<const IntegerVariable> vars,</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  std::vector<IntegerLiteral>* reason)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  tmp_indices_.clear();</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : vars) {</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  tmp_indices_.push_back(vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].current_trail_index);</div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  }</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">if</span> (slack > 0) <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa981297d0a648cd5c3fef40e2edebf8a">RelaxLinearReason</a>(slack, coeffs, &tmp_indices_);</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> i : tmp_indices_) {</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  reason->push_back(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(integer_trail_[i].<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  integer_trail_[i].<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>));</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  }</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> }</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  </div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a456b2e471e39ded8ee195e3cacd39aa4"> 822</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa981297d0a648cd5c3fef40e2edebf8a">IntegerTrail::RelaxLinearReason</a>(IntegerValue slack,</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  absl::Span<const IntegerValue> coeffs,</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  std::vector<int>* trail_indices)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <a class="code" href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a>(slack, 0);</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(relax_heap_.empty());</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  </div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="comment">// We start by filtering *trail_indices:</span></div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="comment">// - remove all level zero entries.</span></div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="comment">// - keep the one that cannot be relaxed.</span></div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="comment">// - move the other one to the relax_heap_ (and creating the heap).</span></div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keywordtype">int</span> new_size = 0;</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = coeffs.size();</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = (*trail_indices)[i];</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  </div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="comment">// We ignore level zero entries.</span></div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> < num_vars) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  </div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="comment">// If the coeff is too large, we cannot relax this entry.</span></div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="keyword">const</span> IntegerValue coeff = coeffs[i];</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keywordflow">if</span> (coeff > slack) {</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  (*trail_indices)[new_size++] = <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  }</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  </div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="comment">// This is a bit hacky, but when it is used from MergeReasonIntoInternal(),</span></div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="comment">// we never relax a reason that will not be expanded because it is already</span></div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="comment">// part of the current conflict.</span></div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keywordflow">if</span> (entry.var != <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a> &&</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> <= tmp_var_to_trail_index_in_queue_[entry.var]) {</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  (*trail_indices)[new_size++] = <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  }</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  </div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="comment">// Note that both terms of the product are positive.</span></div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keyword">const</span> TrailEntry& previous_entry = integer_trail_[entry.prev_trail_index];</div>
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|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> diff =</div>
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|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <a class="code" href="namespaceoperations__research.html#ab216763dccd16f5060d2fbcfb08173fb">CapProd</a>(coeff.value(), (entry.bound - previous_entry.bound).value());</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="keywordflow">if</span> (diff > slack) {</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  (*trail_indices)[new_size++] = <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  }</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  </div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  relax_heap_.push_back({<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, coeff, diff});</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  }</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  trail_indices->resize(new_size);</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  std::make_heap(relax_heap_.begin(), relax_heap_.end());</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  </div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">while</span> (slack > 0 && !relax_heap_.empty()) {</div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keyword">const</span> RelaxHeapEntry heap_entry = relax_heap_.front();</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  std::pop_heap(relax_heap_.begin(), relax_heap_.end());</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  relax_heap_.pop_back();</div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  </div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="comment">// The slack might have changed since the entry was added.</span></div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">if</span> (heap_entry.diff > slack) {</div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  trail_indices->push_back(heap_entry.index);</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  }</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  </div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="comment">// Relax, and decide what to do with the new value of index.</span></div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  slack -= heap_entry.diff;</div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = integer_trail_[heap_entry.index].prev_trail_index;</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  </div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="comment">// Same code as in the first block.</span></div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> < num_vars) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">if</span> (heap_entry.coeff > slack) {</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  trail_indices->push_back(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  }</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="keywordflow">if</span> (entry.var != <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a> &&</div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> <= tmp_var_to_trail_index_in_queue_[entry.var]) {</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  trail_indices->push_back(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  }</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  </div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="keyword">const</span> TrailEntry& previous_entry = integer_trail_[entry.prev_trail_index];</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> diff = <a class="code" href="namespaceoperations__research.html#ab216763dccd16f5060d2fbcfb08173fb">CapProd</a>(heap_entry.coeff.value(),</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  (entry.bound - previous_entry.bound).value());</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="keywordflow">if</span> (diff > slack) {</div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  trail_indices->push_back(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  }</div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  relax_heap_.push_back({<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, heap_entry.coeff, diff});</div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  std::push_heap(relax_heap_.begin(), relax_heap_.end());</div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  }</div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  </div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="comment">// If we aborted early because of the slack, we need to push all remaining</span></div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="comment">// indices back into the reason.</span></div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> RelaxHeapEntry& entry : relax_heap_) {</div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  trail_indices->push_back(entry.index);</div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  }</div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  relax_heap_.clear();</div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> }</div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  </div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#adfce09ac65fc660f8a4f019f4072c6a7"> 919</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#adfce09ac65fc660f8a4f019f4072c6a7">IntegerTrail::RemoveLevelZeroBounds</a>(</div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  std::vector<IntegerLiteral>* reason)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="keywordtype">int</span> new_size = 0;</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : *reason) {</div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="keywordflow">if</span> (<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.bound <= <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa68cc40c827bff2fb311040e2b848f9b">LevelZeroLowerBound</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.var)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  (*reason)[new_size++] = <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>;</div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  }</div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  reason->resize(new_size);</div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> }</div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  </div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> std::vector<Literal>* IntegerTrail::InitializeConflict(</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> integer_literal, <span class="keyword">const</span> LazyReasonFunction& lazy_reason,</div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  absl::Span<const Literal> literals_reason,</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  absl::Span<const IntegerLiteral> bounds_reason) {</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(tmp_queue_.empty());</div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  std::vector<Literal>* conflict = trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a84f6b2c778ed597c90f98f0329a25713">MutableConflict</a>();</div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">if</span> (lazy_reason == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  conflict->assign(literals_reason.begin(), literals_reason.end());</div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a>& <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : bounds_reason) {</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> trail_index = FindLowestTrailIndexThatExplainBound(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="keywordflow">if</span> (trail_index >= num_vars) tmp_queue_.push_back(trail_index);</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  }</div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <span class="comment">// We use the current trail index here.</span></div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  conflict->clear();</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  lazy_reason(integer_literal, integer_trail_.size(), conflict, &tmp_queue_);</div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  }</div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="keywordflow">return</span> conflict;</div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> }</div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  </div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  </div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> std::string ReasonDebugString(absl::Span<const Literal> literal_reason,</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  absl::Span<const IntegerLiteral> integer_reason) {</div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  std::string result = <span class="stringliteral">"literals:{"</span>;</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal l : literal_reason) {</div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="keywordflow">if</span> (result.back() != <span class="charliteral">'{'</span>) result += <span class="stringliteral">","</span>;</div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  result += l.DebugString();</div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  }</div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  result += <span class="stringliteral">"} bounds:{"</span>;</div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerLiteral l : integer_reason) {</div>
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|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="keywordflow">if</span> (result.back() != <span class="charliteral">'{'</span>) result += <span class="stringliteral">","</span>;</div>
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|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  result += l.DebugString();</div>
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|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  }</div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  result += <span class="stringliteral">"}"</span>;</div>
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|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> }</div>
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|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  </div>
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|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> } <span class="comment">// namespace</span></div>
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|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  </div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> std::string IntegerTrail::DebugString() {</div>
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|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  std::string result = <span class="stringliteral">"trail:{"</span>;</div>
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|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
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|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> limit =</div>
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<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(num_vars + 30, <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(integer_trail_.size()));</div>
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|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = num_vars; i < limit; ++i) {</div>
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<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <span class="keywordflow">if</span> (result.back() != <span class="charliteral">'{'</span>) result += <span class="stringliteral">","</span>;</div>
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|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  result +=</div>
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|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(IntegerVariable(integer_trail_[i].<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>),</div>
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|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  integer_trail_[i].<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>)</div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  .<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a764be64f3029f8b8e23511061d8de355">DebugString</a>();</div>
|
|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  }</div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">if</span> (limit < integer_trail_.size()) {</div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  result += <span class="stringliteral">", ..."</span>;</div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  }</div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  result += <span class="stringliteral">"}"</span>;</div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span> }</div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  </div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32"> 989</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">IntegerTrail::Enqueue</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit,</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  absl::Span<const Literal> literal_reason,</div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  absl::Span<const IntegerLiteral> integer_reason) {</div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="keywordflow">return</span> EnqueueInternal(i_lit, <span class="keyword">nullptr</span>, literal_reason, integer_reason,</div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  integer_trail_.size());</div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span> }</div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  </div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#ad2f3825d33cbc805d2f490d324bd363c"> 996</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ad2f3825d33cbc805d2f490d324bd363c">IntegerTrail::ConditionalEnqueue</a>(</div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> lit, <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit, std::vector<Literal>* literal_reason,</div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  std::vector<IntegerLiteral>* integer_reason) {</div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html">VariablesAssignment</a>& assignment = trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>();</div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  <span class="keywordflow">if</span> (assignment.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(lit)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  </div>
|
|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="comment">// We can always push var if the optional literal is the same.</span></div>
|
|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="comment">// TODO(user): we can also push lit.var if its presence implies lit.</span></div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="keywordflow">if</span> (lit.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62">Index</a>() == <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a554451dc5db1b8d233556d0b217c8a68">OptionalLiteralIndex</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>)) {</div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(i_lit, *literal_reason, *integer_reason);</div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  }</div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  </div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="keywordflow">if</span> (assignment.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(lit)) {</div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  literal_reason->push_back(lit.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>());</div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(i_lit, *literal_reason, *integer_reason);</div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  }</div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  </div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#adf3a30cc102861886504a5db480fdaad">IntegerLiteralIsFalse</a>(i_lit)) {</div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  integer_reason->push_back(</div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>, i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> - 1));</div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594">EnqueueLiteral</a>(lit.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>(), *literal_reason, *integer_reason);</div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  }</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  </div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="comment">// We can't push anything in this case.</span></div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span> }</div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  </div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#acdeefac05f25e9e8af2595a0db84d510"> 1025</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">IntegerTrail::Enqueue</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit,</div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  absl::Span<const Literal> literal_reason,</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  absl::Span<const IntegerLiteral> integer_reason,</div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <span class="keywordtype">int</span> trail_index_with_same_reason) {</div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  <span class="keywordflow">return</span> EnqueueInternal(i_lit, <span class="keyword">nullptr</span>, literal_reason, integer_reason,</div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  trail_index_with_same_reason);</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> }</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  </div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a7e67b1a0a1bd85ebda676d32f87538fb"> 1033</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">IntegerTrail::Enqueue</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit,</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a49ff19c4851c879436507391ea8dd675">LazyReasonFunction</a> lazy_reason) {</div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  <span class="keywordflow">return</span> EnqueueInternal(i_lit, lazy_reason, {}, {}, integer_trail_.size());</div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span> }</div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  </div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span> <span class="keywordtype">bool</span> IntegerTrail::ReasonIsValid(</div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  absl::Span<const Literal> literal_reason,</div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  absl::Span<const IntegerLiteral> integer_reason) {</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html">VariablesAssignment</a>& assignment = trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>();</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</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> lit : literal_reason) {</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <span class="keywordflow">if</span> (!assignment.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(lit)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  }</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerLiteral i_lit : integer_reason) {</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> > vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_bound) {</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#acc1aaae243ed4381e84f8309aacb3bbc">IsOptional</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>)) {</div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <span class="keyword">const</span> Literal is_ignored = <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac8db20a5dab063aa3ca64a4ae1202d4c">IsIgnoredLiteral</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>);</div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Reason "</span> << i_lit << <span class="stringliteral">" is not true!"</span></div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  << <span class="stringliteral">" optional variable:"</span> << i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a></div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  << <span class="stringliteral">" present:"</span> << assignment.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(is_ignored)</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  << <span class="stringliteral">" absent:"</span> << assignment.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(is_ignored)</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  << <span class="stringliteral">" current_lb:"</span> << vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_bound;</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Reason "</span> << i_lit << <span class="stringliteral">" is not true!"</span></div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  << <span class="stringliteral">" non-optional variable:"</span> << i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a></div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  << <span class="stringliteral">" current_lb:"</span> << vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_bound;</div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  }</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  }</div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  }</div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  </div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="comment">// This may not indicate an incorectness, but just some propagators that</span></div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  <span class="comment">// didn't reach a fixed-point at level zero.</span></div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <span class="keywordflow">if</span> (!integer_search_levels_.empty()) {</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  <span class="keywordtype">int</span> num_literal_assigned_after_root_node = 0;</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal lit : literal_reason) {</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="keywordflow">if</span> (trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a29be1a6b9ba823a6fffb927609d18599">Info</a>(lit.Variable()).<a class="code" href="structoperations__research_1_1sat_1_1_assignment_info.html#afefd28242df91e46e762af1f7eaf623f">level</a> > 0) {</div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  num_literal_assigned_after_root_node++;</div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  }</div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  }</div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerLiteral i_lit : integer_reason) {</div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aa68cc40c827bff2fb311040e2b848f9b">LevelZeroLowerBound</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>) < i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>) {</div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  num_literal_assigned_after_root_node++;</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  }</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  }</div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <a class="code" href="base_2logging_8h.html#a0581caafbd212149004303f517163b1f">DLOG_IF</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>, num_literal_assigned_after_root_node == 0)</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  << <span class="stringliteral">"Propagating a literal with no reason at a positive level!\n"</span></div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  << <span class="stringliteral">"level:"</span> << integer_search_levels_.size() << <span class="stringliteral">" "</span></div>
|
|
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  << ReasonDebugString(literal_reason, integer_reason) << <span class="stringliteral">"\n"</span></div>
|
|
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  << DebugString();</div>
|
|
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  }</div>
|
|
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  </div>
|
|
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span> }</div>
|
|
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  </div>
|
|
<div class="line"><a name="l01087"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594"> 1087</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594">IntegerTrail::EnqueueLiteral</a>(</div>
|
|
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, absl::Span<const Literal> literal_reason,</div>
|
|
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  absl::Span<const IntegerLiteral> integer_reason) {</div>
|
|
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  EnqueueLiteralInternal(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="keyword">nullptr</span>, literal_reason, integer_reason);</div>
|
|
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> }</div>
|
|
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  </div>
|
|
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span> <span class="keywordtype">void</span> IntegerTrail::EnqueueLiteralInternal(</div>
|
|
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, LazyReasonFunction lazy_reason,</div>
|
|
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  absl::Span<const Literal> literal_reason,</div>
|
|
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  absl::Span<const IntegerLiteral> integer_reason) {</div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815">LiteralIsAssigned</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>));</div>
|
|
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(lazy_reason != <span class="keyword">nullptr</span> ||</div>
|
|
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  ReasonIsValid(literal_reason, integer_reason));</div>
|
|
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <span class="keywordflow">if</span> (integer_search_levels_.empty()) {</div>
|
|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  <span class="comment">// Level zero. We don't keep any reason.</span></div>
|
|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#afb89e56bea39296ff292b51a84491875">EnqueueWithUnitReason</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  }</div>
|
|
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  </div>
|
|
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="comment">// If we are fixing something at a positive level, remember it.</span></div>
|
|
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">if</span> (!integer_search_levels_.empty() && integer_reason.empty() &&</div>
|
|
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  literal_reason.empty() && lazy_reason == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  literal_to_fix_.push_back(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  }</div>
|
|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  </div>
|
|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> trail_index = trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179">Index</a>();</div>
|
|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="keywordflow">if</span> (trail_index >= boolean_trail_index_to_integer_one_.size()) {</div>
|
|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  boolean_trail_index_to_integer_one_.resize(trail_index + 1);</div>
|
|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  }</div>
|
|
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  boolean_trail_index_to_integer_one_[trail_index] = integer_trail_.size();</div>
|
|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  </div>
|
|
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="keywordtype">int</span> reason_index = literals_reason_starts_.size();</div>
|
|
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="keywordflow">if</span> (lazy_reason != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="keywordflow">if</span> (integer_trail_.size() >= lazy_reasons_.size()) {</div>
|
|
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  lazy_reasons_.resize(integer_trail_.size() + 1, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  }</div>
|
|
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  lazy_reasons_[integer_trail_.size()] = lazy_reason;</div>
|
|
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  reason_index = -1;</div>
|
|
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <span class="comment">// Copy the reason.</span></div>
|
|
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  literals_reason_starts_.push_back(literals_reason_buffer_.size());</div>
|
|
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  literals_reason_buffer_.insert(literals_reason_buffer_.end(),</div>
|
|
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  literal_reason.begin(),</div>
|
|
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  literal_reason.end());</div>
|
|
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  bounds_reason_starts_.push_back(bounds_reason_buffer_.size());</div>
|
|
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  bounds_reason_buffer_.insert(bounds_reason_buffer_.end(),</div>
|
|
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  integer_reason.begin(), integer_reason.end());</div>
|
|
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  }</div>
|
|
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  </div>
|
|
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  integer_trail_.push_back({<span class="comment">/*bound=*/</span>IntegerValue(0),</div>
|
|
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="comment">/*var=*/</span><a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>,</div>
|
|
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="comment">/*prev_trail_index=*/</span>-1,</div>
|
|
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="comment">/*reason_index=*/</span>reason_index});</div>
|
|
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  </div>
|
|
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a12c36a7cb228d80bcad42fa38a103f92">Enqueue</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a0af2aa6e387b8037179350b735fe127e">propagator_id_</a>);</div>
|
|
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span> }</div>
|
|
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  </div>
|
|
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span> <span class="comment">// We count the number of propagation at the current level, and returns true</span></div>
|
|
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span> <span class="comment">// if it seems really large. Note that we disable this if we are in fixed</span></div>
|
|
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span> <span class="comment">// search.</span></div>
|
|
<div class="line"><a name="l01147"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a697964c4df6330b5d4720be3658ac35a"> 1147</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a697964c4df6330b5d4720be3658ac35a">IntegerTrail::InPropagationLoop</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  <span class="keywordflow">return</span> (!integer_search_levels_.empty() &&</div>
|
|
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  integer_trail_.size() - integer_search_levels_.back() ></div>
|
|
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(10000, num_vars) &&</div>
|
|
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  parameters_.search_branching() != SatParameters::FIXED_SEARCH);</div>
|
|
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span> }</div>
|
|
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  </div>
|
|
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> <span class="comment">// We try to select a variable with a large domain that was propagated a lot</span></div>
|
|
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span> <span class="comment">// already.</span></div>
|
|
<div class="line"><a name="l01157"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8ae8e206270e3bb10251a6fadbdc06e7"> 1157</a></span> IntegerVariable <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8ae8e206270e3bb10251a6fadbdc06e7">IntegerTrail::NextVariableToBranchOnInPropagationLoop</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a697964c4df6330b5d4720be3658ac35a">InPropagationLoop</a>());</div>
|
|
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  ++num_decisions_to_break_loop_;</div>
|
|
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  std::vector<IntegerVariable> vars;</div>
|
|
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = integer_search_levels_.back(); i < integer_trail_.size(); ++i) {</div>
|
|
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = integer_trail_[i].var;</div>
|
|
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) - <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <= 100) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  vars.push_back(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  }</div>
|
|
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  <span class="keywordflow">if</span> (vars.empty()) <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>;</div>
|
|
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  std::sort(vars.begin(), vars.end());</div>
|
|
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  IntegerVariable best_var = vars[0];</div>
|
|
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  <span class="keywordtype">int</span> best_count = 1;</div>
|
|
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  <span class="keywordtype">int</span> count = 1;</div>
|
|
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < vars.size(); ++i) {</div>
|
|
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  <span class="keywordflow">if</span> (vars[i] != vars[i - 1]) {</div>
|
|
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  count = 1;</div>
|
|
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  ++count;</div>
|
|
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <span class="keywordflow">if</span> (count > best_count) {</div>
|
|
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  best_count = count;</div>
|
|
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  best_var = vars[i];</div>
|
|
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  }</div>
|
|
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  }</div>
|
|
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  }</div>
|
|
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  <span class="keywordflow">return</span> best_var;</div>
|
|
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span> }</div>
|
|
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  </div>
|
|
<div class="line"><a name="l01186"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a6554c3addb8705b1ba60140a175de110"> 1186</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a6554c3addb8705b1ba60140a175de110">IntegerTrail::CurrentBranchHadAnIncompletePropagation</a>() {</div>
|
|
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  <span class="keywordflow">return</span> first_level_without_full_propagation_ != -1;</div>
|
|
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span> }</div>
|
|
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  </div>
|
|
<div class="line"><a name="l01190"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05cc8990d6a349e0c5960019ee47b687"> 1190</a></span> IntegerVariable <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05cc8990d6a349e0c5960019ee47b687">IntegerTrail::FirstUnassignedVariable</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> += 2) {</div>
|
|
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">IsCurrentlyIgnored</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a523501d854b2ca8034d37c15e7c89117">IsFixed</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">return</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
|
|
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  }</div>
|
|
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>;</div>
|
|
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span> }</div>
|
|
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  </div>
|
|
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span> <span class="keywordtype">bool</span> IntegerTrail::EnqueueInternal(</div>
|
|
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit, LazyReasonFunction lazy_reason,</div>
|
|
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  absl::Span<const Literal> literal_reason,</div>
|
|
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  absl::Span<const IntegerLiteral> integer_reason,</div>
|
|
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordtype">int</span> trail_index_with_same_reason) {</div>
|
|
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(lazy_reason != <span class="keyword">nullptr</span> ||</div>
|
|
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  ReasonIsValid(literal_reason, integer_reason));</div>
|
|
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  </div>
|
|
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>);</div>
|
|
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  </div>
|
|
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <span class="comment">// No point doing work if the variable is already ignored.</span></div>
|
|
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">IsCurrentlyIgnored</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  </div>
|
|
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <span class="comment">// Nothing to do if the bound is not better than the current one.</span></div>
|
|
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="comment">// TODO(user): Change this to a CHECK? propagator shouldn't try to push such</span></div>
|
|
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  <span class="comment">// bound and waste time explaining it.</span></div>
|
|
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> <= vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].current_bound) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  ++num_enqueues_;</div>
|
|
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  </div>
|
|
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  <span class="comment">// If the domain of var is not a single intervals and i_lit.bound fall into a</span></div>
|
|
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  <span class="comment">// "hole", we increase it to the next possible value. This ensure that we</span></div>
|
|
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  <span class="comment">// never Enqueue() non-canonical literals. See also Canonicalize().</span></div>
|
|
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  <span class="comment">// Note: The literals in the reason are not necessarily canonical, but then</span></div>
|
|
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  <span class="comment">// we always map these to enqueued literals during conflict resolution.</span></div>
|
|
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  <span class="keywordflow">if</span> ((*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].NumIntervals() > 1) {</div>
|
|
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& domain = (*domains_)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = var_to_current_lb_interval_index_.<a class="code" href="classoperations__research_1_1_rev_map.html#a4f5ea994c5a512b046b9b1291de364e6">FindOrDie</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = domain.NumIntervals();</div>
|
|
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="keywordflow">while</span> (index < size && i_lit.bound > domain[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>].end) {</div>
|
|
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  ++<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  }</div>
|
|
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> == size) {</div>
|
|
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a6d55b5b9adc499095dd57dd0c2b6c7df">ReportConflict</a>(literal_reason, integer_reason);</div>
|
|
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  var_to_current_lb_interval_index_.<a class="code" href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128">Set</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>, IntegerValue(domain[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>].start));</div>
|
|
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  }</div>
|
|
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  }</div>
|
|
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  </div>
|
|
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <span class="comment">// Check if the integer variable has an empty domain.</span></div>
|
|
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> > <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  <span class="comment">// We relax the upper bound as much as possible to still have a conflict.</span></div>
|
|
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  <span class="keyword">const</span> <span class="keyword">auto</span> ub_reason = <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> - 1);</div>
|
|
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  </div>
|
|
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#acc1aaae243ed4381e84f8309aacb3bbc">IsOptional</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) || trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(</div>
|
|
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  Literal(is_ignored_literals_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]))) {</div>
|
|
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  <span class="comment">// Note that we want only one call to MergeReasonIntoInternal() for</span></div>
|
|
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  <span class="comment">// efficiency and a potential smaller reason.</span></div>
|
|
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  <span class="keyword">auto</span>* conflict = InitializeConflict(i_lit, lazy_reason, literal_reason,</div>
|
|
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  integer_reason);</div>
|
|
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#acc1aaae243ed4381e84f8309aacb3bbc">IsOptional</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  conflict->push_back(Literal(is_ignored_literals_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]));</div>
|
|
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  }</div>
|
|
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  {</div>
|
|
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> trail_index = FindLowestTrailIndexThatExplainBound(ub_reason);</div>
|
|
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(); <span class="comment">// must be signed.</span></div>
|
|
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  <span class="keywordflow">if</span> (trail_index >= num_vars) tmp_queue_.push_back(trail_index);</div>
|
|
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  }</div>
|
|
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  MergeReasonIntoInternal(conflict);</div>
|
|
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  <span class="comment">// Note(user): We never make the bound of an optional literal cross. We</span></div>
|
|
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  <span class="comment">// used to have a bug where we propagated these bounds and their</span></div>
|
|
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  <span class="comment">// associated literals, and we were reaching a conflict while propagating</span></div>
|
|
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  <span class="comment">// the associated literal instead of setting is_ignored below to false.</span></div>
|
|
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  <span class="keyword">const</span> Literal is_ignored = Literal(is_ignored_literals_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]);</div>
|
|
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  <span class="keywordflow">if</span> (integer_search_levels_.empty()) {</div>
|
|
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#afb89e56bea39296ff292b51a84491875">EnqueueWithUnitReason</a>(is_ignored);</div>
|
|
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  <span class="comment">// Here we currently expand any lazy reason because we need to add</span></div>
|
|
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  <span class="comment">// to it the reason for the upper bound.</span></div>
|
|
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <span class="comment">// TODO(user): A possible solution would be to support the two types</span></div>
|
|
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  <span class="comment">// of reason (lazy and not) at the same time and use the union of both?</span></div>
|
|
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  <span class="keywordflow">if</span> (lazy_reason != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  lazy_reason(i_lit, integer_trail_.size(), &lazy_reason_literals_,</div>
|
|
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  &lazy_reason_trail_indices_);</div>
|
|
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  std::vector<IntegerLiteral> temp;</div>
|
|
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> trail_index : lazy_reason_trail_indices_) {</div>
|
|
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[trail_index];</div>
|
|
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  temp.push_back(IntegerLiteral(entry.var, entry.bound));</div>
|
|
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>  }</div>
|
|
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594">EnqueueLiteral</a>(is_ignored, lazy_reason_literals_, temp);</div>
|
|
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594">EnqueueLiteral</a>(is_ignored, literal_reason, integer_reason);</div>
|
|
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  }</div>
|
|
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  </div>
|
|
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  <span class="comment">// Hack, we add the upper bound reason here.</span></div>
|
|
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  bounds_reason_buffer_.push_back(ub_reason);</div>
|
|
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  }</div>
|
|
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  }</div>
|
|
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  }</div>
|
|
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  </div>
|
|
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  <span class="comment">// Stop propagating if we detect a propagation loop. The search heuristic will</span></div>
|
|
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  <span class="comment">// then take an appropriate next decision. Note that we do that after checking</span></div>
|
|
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  <span class="comment">// for a potential conflict if the two bounds of a variable cross. This is</span></div>
|
|
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="comment">// important, so that in the corner case where all variables are actually</span></div>
|
|
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  <span class="comment">// fixed, we still make sure no propagator detect a conflict.</span></div>
|
|
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  <span class="comment">// TODO(user): Some propagation code have CHECKS in place and not like when</span></div>
|
|
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  <span class="comment">// something they just pushed is not reflected right away. They must be aware</span></div>
|
|
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="comment">// of that, which is a bit tricky.</span></div>
|
|
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a697964c4df6330b5d4720be3658ac35a">InPropagationLoop</a>()) {</div>
|
|
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <span class="comment">// Note that we still propagate "big" push as it seems better to do that</span></div>
|
|
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <span class="comment">// now rather than to delay to the next decision.</span></div>
|
|
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  <span class="keyword">const</span> IntegerValue lb = <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>);</div>
|
|
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  <span class="keyword">const</span> IntegerValue ub = <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>);</div>
|
|
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="keywordflow">if</span> (i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a> - lb < (ub - lb) / 2) {</div>
|
|
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  <span class="keywordflow">if</span> (first_level_without_full_propagation_ == -1) {</div>
|
|
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  first_level_without_full_propagation_ = trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>();</div>
|
|
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  }</div>
|
|
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  }</div>
|
|
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  }</div>
|
|
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  </div>
|
|
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  <span class="comment">// Notify the watchers.</span></div>
|
|
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  <span class="keywordflow">for</span> (SparseBitset<IntegerVariable>* bitset : watchers_) {</div>
|
|
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  bitset->Set(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>);</div>
|
|
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  }</div>
|
|
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  </div>
|
|
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  <span class="keywordflow">if</span> (!integer_search_levels_.empty() && integer_reason.empty() &&</div>
|
|
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  literal_reason.empty() && lazy_reason == <span class="keyword">nullptr</span> &&</div>
|
|
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  trail_index_with_same_reason >= integer_trail_.size()) {</div>
|
|
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  integer_literal_to_fix_.push_back(i_lit);</div>
|
|
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  }</div>
|
|
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  </div>
|
|
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  <span class="comment">// Enqueue the strongest associated Boolean literal implied by this one.</span></div>
|
|
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  <span class="comment">// Because we linked all such literal with implications, all the one before</span></div>
|
|
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  <span class="comment">// will be propagated by the SAT solver.</span></div>
|
|
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  <span class="comment">// Important: It is possible that such literal or even stronger ones are</span></div>
|
|
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  <span class="comment">// already true! This is because we might push stuff while Propagate() haven't</span></div>
|
|
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  <span class="comment">// been called yet. Maybe we should call it?</span></div>
|
|
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  <span class="comment">// TODO(user): It might be simply better and more efficient to simply enqueue</span></div>
|
|
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  <span class="comment">// all of them here. We have also more liberty to choose the explanation we</span></div>
|
|
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  <span class="comment">// want. A drawback might be that the implications might not be used in the</span></div>
|
|
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <span class="comment">// binary conflict minimization algo.</span></div>
|
|
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  IntegerValue <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>;</div>
|
|
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="keyword">const</span> LiteralIndex literal_index =</div>
|
|
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  encoder_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a18be901ad3327dbba70128fcb601c960">SearchForLiteralAtOrBefore</a>(i_lit, &<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>);</div>
|
|
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  <span class="keywordflow">if</span> (literal_index != <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>) {</div>
|
|
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  <span class="keyword">const</span> Literal to_enqueue = Literal(literal_index);</div>
|
|
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  <span class="keywordflow">if</span> (trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(to_enqueue)) {</div>
|
|
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  <span class="keyword">auto</span>* conflict = InitializeConflict(i_lit, lazy_reason, literal_reason,</div>
|
|
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  integer_reason);</div>
|
|
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  conflict->push_back(to_enqueue);</div>
|
|
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  MergeReasonIntoInternal(conflict);</div>
|
|
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  }</div>
|
|
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  </div>
|
|
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  <span class="comment">// If the associated literal exactly correspond to i_lit, then we push</span></div>
|
|
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <span class="comment">// it first, and then we use it as a reason for i_lit. We do that so that</span></div>
|
|
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="comment">// MergeReasonIntoInternal() will not unecessarily expand further the reason</span></div>
|
|
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  <span class="comment">// for i_lit.</span></div>
|
|
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  <span class="keywordflow">if</span> (<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>, <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>) == i_lit) {</div>
|
|
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="keywordflow">if</span> (!trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(to_enqueue)) {</div>
|
|
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  EnqueueLiteralInternal(to_enqueue, lazy_reason, literal_reason,</div>
|
|
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  integer_reason);</div>
|
|
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  }</div>
|
|
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="keywordflow">return</span> EnqueueAssociatedIntegerLiteral(i_lit, to_enqueue);</div>
|
|
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  }</div>
|
|
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  </div>
|
|
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <span class="keywordflow">if</span> (!trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">Assignment</a>().<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(to_enqueue)) {</div>
|
|
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  <span class="keywordflow">if</span> (integer_search_levels_.empty()) {</div>
|
|
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#afb89e56bea39296ff292b51a84491875">EnqueueWithUnitReason</a>(to_enqueue);</div>
|
|
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  <span class="comment">// Subtle: the reason is the same as i_lit, that we will enqueue if no</span></div>
|
|
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  <span class="comment">// conflict occur at position integer_trail_.size(), so we just refer to</span></div>
|
|
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  <span class="comment">// this index here.</span></div>
|
|
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> trail_index = trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179">Index</a>();</div>
|
|
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  <span class="keywordflow">if</span> (trail_index >= boolean_trail_index_to_integer_one_.size()) {</div>
|
|
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  boolean_trail_index_to_integer_one_.resize(trail_index + 1);</div>
|
|
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  }</div>
|
|
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  boolean_trail_index_to_integer_one_[trail_index] =</div>
|
|
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  trail_index_with_same_reason;</div>
|
|
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a12c36a7cb228d80bcad42fa38a103f92">Enqueue</a>(to_enqueue, <a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a0af2aa6e387b8037179350b735fe127e">propagator_id_</a>);</div>
|
|
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  }</div>
|
|
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  }</div>
|
|
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  }</div>
|
|
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  </div>
|
|
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  <span class="comment">// Special case for level zero.</span></div>
|
|
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  <span class="keywordflow">if</span> (integer_search_levels_.empty()) {</div>
|
|
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  ++num_level_zero_enqueues_;</div>
|
|
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_bound = i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>;</div>
|
|
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  integer_trail_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>.value()].bound = i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>;</div>
|
|
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  </div>
|
|
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  <span class="comment">// We also update the initial domain. If this fail, since we are at level</span></div>
|
|
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <span class="comment">// zero, we don't care about the reason.</span></div>
|
|
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a84f6b2c778ed597c90f98f0329a25713">MutableConflict</a>()->clear();</div>
|
|
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485">UpdateInitialDomain</a>(</div>
|
|
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>,</div>
|
|
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  Domain(<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>).value(), <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>).value()));</div>
|
|
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  }</div>
|
|
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  <a class="code" href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a>(trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>(), 0);</div>
|
|
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  </div>
|
|
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <span class="keywordtype">int</span> reason_index = literals_reason_starts_.size();</div>
|
|
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <span class="keywordflow">if</span> (lazy_reason != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <span class="keywordflow">if</span> (integer_trail_.size() >= lazy_reasons_.size()) {</div>
|
|
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  lazy_reasons_.resize(integer_trail_.size() + 1, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  }</div>
|
|
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  lazy_reasons_[integer_trail_.size()] = lazy_reason;</div>
|
|
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  reason_index = -1;</div>
|
|
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (trail_index_with_same_reason >= integer_trail_.size()) {</div>
|
|
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  <span class="comment">// Save the reason into our internal buffers.</span></div>
|
|
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  literals_reason_starts_.push_back(literals_reason_buffer_.size());</div>
|
|
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  <span class="keywordflow">if</span> (!literal_reason.empty()) {</div>
|
|
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  literals_reason_buffer_.insert(literals_reason_buffer_.end(),</div>
|
|
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  literal_reason.begin(),</div>
|
|
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  literal_reason.end());</div>
|
|
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  }</div>
|
|
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  bounds_reason_starts_.push_back(bounds_reason_buffer_.size());</div>
|
|
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  <span class="keywordflow">if</span> (!integer_reason.empty()) {</div>
|
|
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  bounds_reason_buffer_.insert(bounds_reason_buffer_.end(),</div>
|
|
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  integer_reason.begin(),</div>
|
|
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  integer_reason.end());</div>
|
|
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  }</div>
|
|
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  reason_index = integer_trail_[trail_index_with_same_reason].reason_index;</div>
|
|
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  }</div>
|
|
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  </div>
|
|
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> prev_trail_index = vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_trail_index;</div>
|
|
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  integer_trail_.push_back({<span class="comment">/*bound=*/</span>i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>,</div>
|
|
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  <span class="comment">/*var=*/</span>i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>,</div>
|
|
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  <span class="comment">/*prev_trail_index=*/</span>prev_trail_index,</div>
|
|
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  <span class="comment">/*reason_index=*/</span>reason_index});</div>
|
|
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  </div>
|
|
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_bound = i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">bound</a>;</div>
|
|
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  vars_[i_lit.<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">var</a>].current_trail_index = integer_trail_.size() - 1;</div>
|
|
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span> }</div>
|
|
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  </div>
|
|
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span> <span class="keywordtype">bool</span> IntegerTrail::EnqueueAssociatedIntegerLiteral(IntegerLiteral i_lit,</div>
|
|
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  Literal literal_reason) {</div>
|
|
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(ReasonIsValid({literal_reason.Negated()}, {}));</div>
|
|
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">IsCurrentlyIgnored</a>(i_lit.var));</div>
|
|
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  </div>
|
|
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  <span class="comment">// Nothing to do if the bound is not better than the current one.</span></div>
|
|
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  <span class="keywordflow">if</span> (i_lit.bound <= vars_[i_lit.var].current_bound) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>  ++num_enqueues_;</div>
|
|
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  </div>
|
|
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  <span class="comment">// Check if the integer variable has an empty domain. Note that this should</span></div>
|
|
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  <span class="comment">// happen really rarely since in most situation, pushing the upper bound would</span></div>
|
|
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  <span class="comment">// have resulted in this literal beeing false. Because of this we revert to</span></div>
|
|
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  <span class="comment">// the "generic" Enqueue() to avoid some code duplication.</span></div>
|
|
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  <span class="keywordflow">if</span> (i_lit.bound > <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(i_lit.var)) {</div>
|
|
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">Enqueue</a>(i_lit, {literal_reason.Negated()}, {});</div>
|
|
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  }</div>
|
|
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  </div>
|
|
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  <span class="comment">// Notify the watchers.</span></div>
|
|
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  <span class="keywordflow">for</span> (SparseBitset<IntegerVariable>* bitset : watchers_) {</div>
|
|
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  bitset->Set(i_lit.var);</div>
|
|
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  }</div>
|
|
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  </div>
|
|
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  <span class="comment">// Special case for level zero.</span></div>
|
|
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  <span class="keywordflow">if</span> (integer_search_levels_.empty()) {</div>
|
|
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  vars_[i_lit.var].current_bound = i_lit.bound;</div>
|
|
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  integer_trail_[i_lit.var.value()].bound = i_lit.bound;</div>
|
|
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  </div>
|
|
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  <span class="comment">// We also update the initial domain. If this fail, since we are at level</span></div>
|
|
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  <span class="comment">// zero, we don't care about the reason.</span></div>
|
|
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a84f6b2c778ed597c90f98f0329a25713">MutableConflict</a>()->clear();</div>
|
|
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485">UpdateInitialDomain</a>(</div>
|
|
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  i_lit.var,</div>
|
|
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  Domain(<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(i_lit.var).value(), <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(i_lit.var).value()));</div>
|
|
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  }</div>
|
|
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  <a class="code" href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a>(trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>(), 0);</div>
|
|
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  </div>
|
|
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> reason_index = literals_reason_starts_.size();</div>
|
|
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(reason_index, bounds_reason_starts_.size());</div>
|
|
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  literals_reason_starts_.push_back(literals_reason_buffer_.size());</div>
|
|
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  bounds_reason_starts_.push_back(bounds_reason_buffer_.size());</div>
|
|
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  literals_reason_buffer_.push_back(literal_reason.Negated());</div>
|
|
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  </div>
|
|
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> prev_trail_index = vars_[i_lit.var].current_trail_index;</div>
|
|
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  integer_trail_.push_back({<span class="comment">/*bound=*/</span>i_lit.bound,</div>
|
|
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  <span class="comment">/*var=*/</span>i_lit.var,</div>
|
|
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="comment">/*prev_trail_index=*/</span>prev_trail_index,</div>
|
|
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  <span class="comment">/*reason_index=*/</span>reason_index});</div>
|
|
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  </div>
|
|
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>  vars_[i_lit.var].current_bound = i_lit.bound;</div>
|
|
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  vars_[i_lit.var].current_trail_index = integer_trail_.size() - 1;</div>
|
|
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span> }</div>
|
|
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  </div>
|
|
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span> <span class="keywordtype">void</span> IntegerTrail::ComputeLazyReasonIfNeeded(<span class="keywordtype">int</span> trail_index)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> reason_index = integer_trail_[trail_index].reason_index;</div>
|
|
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>  <span class="keywordflow">if</span> (reason_index == -1) {</div>
|
|
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[trail_index];</div>
|
|
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>  <span class="keyword">const</span> IntegerLiteral <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>(entry.var, entry.bound);</div>
|
|
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  lazy_reasons_[trail_index](<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, trail_index, &lazy_reason_literals_,</div>
|
|
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  &lazy_reason_trail_indices_);</div>
|
|
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  }</div>
|
|
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span> }</div>
|
|
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  </div>
|
|
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span> absl::Span<const int> IntegerTrail::Dependencies(<span class="keywordtype">int</span> trail_index)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> reason_index = integer_trail_[trail_index].reason_index;</div>
|
|
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  <span class="keywordflow">if</span> (reason_index == -1) {</div>
|
|
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  <span class="keywordflow">return</span> absl::Span<const int>(lazy_reason_trail_indices_);</div>
|
|
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  }</div>
|
|
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  </div>
|
|
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> start = bounds_reason_starts_[reason_index];</div>
|
|
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> end = reason_index + 1 < bounds_reason_starts_.size()</div>
|
|
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  ? bounds_reason_starts_[reason_index + 1]</div>
|
|
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  : bounds_reason_buffer_.size();</div>
|
|
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  <span class="keywordflow">if</span> (start == end) <span class="keywordflow">return</span> {};</div>
|
|
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  </div>
|
|
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  <span class="comment">// Cache the result if not already computed. Remark, if the result was never</span></div>
|
|
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  <span class="comment">// computed then the span trail_index_reason_buffer_[start, end) will either</span></div>
|
|
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  <span class="comment">// be non-existent or full of -1.</span></div>
|
|
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>  <span class="comment">// TODO(user): For empty reason, we will always recompute them.</span></div>
|
|
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>  <span class="keywordflow">if</span> (end > trail_index_reason_buffer_.size()) {</div>
|
|
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>  trail_index_reason_buffer_.resize(end, -1);</div>
|
|
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>  }</div>
|
|
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>  <span class="keywordflow">if</span> (trail_index_reason_buffer_[start] == -1) {</div>
|
|
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  <span class="keywordtype">int</span> new_end = start;</div>
|
|
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = start; i < end; ++i) {</div>
|
|
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> dep =</div>
|
|
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>  FindLowestTrailIndexThatExplainBound(bounds_reason_buffer_[i]);</div>
|
|
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  <span class="keywordflow">if</span> (dep >= num_vars) {</div>
|
|
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  trail_index_reason_buffer_[new_end++] = dep;</div>
|
|
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>  }</div>
|
|
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>  }</div>
|
|
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>  <span class="keywordflow">return</span> absl::Span<const int>(&trail_index_reason_buffer_[start],</div>
|
|
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  new_end - start);</div>
|
|
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>  <span class="comment">// TODO(user): We didn't store new_end in a previous call, so end might be</span></div>
|
|
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  <span class="comment">// larger. That is a bit annoying since we have to test for -1 while</span></div>
|
|
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  <span class="comment">// iterating.</span></div>
|
|
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  <span class="keywordflow">return</span> absl::Span<const int>(&trail_index_reason_buffer_[start],</div>
|
|
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  end - start);</div>
|
|
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  }</div>
|
|
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span> }</div>
|
|
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  </div>
|
|
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span> <span class="keywordtype">void</span> IntegerTrail::AppendLiteralsReason(<span class="keywordtype">int</span> trail_index,</div>
|
|
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  std::vector<Literal>* output)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(trail_index, vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
|
|
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> reason_index = integer_trail_[trail_index].reason_index;</div>
|
|
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  <span class="keywordflow">if</span> (reason_index == -1) {</div>
|
|
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal l : lazy_reason_literals_) {</div>
|
|
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>  <span class="keywordflow">if</span> (!added_variables_[l.Variable()]) {</div>
|
|
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  added_variables_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#a41f798a04019147982b29c576ff9d8b7">Set</a>(l.Variable());</div>
|
|
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  output->push_back(l);</div>
|
|
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  }</div>
|
|
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  }</div>
|
|
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  }</div>
|
|
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  </div>
|
|
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> start = literals_reason_starts_[reason_index];</div>
|
|
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> end = reason_index + 1 < literals_reason_starts_.size()</div>
|
|
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  ? literals_reason_starts_[reason_index + 1]</div>
|
|
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  : literals_reason_buffer_.size();</div>
|
|
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = start; i < end; ++i) {</div>
|
|
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>  <span class="keyword">const</span> Literal l = literals_reason_buffer_[i];</div>
|
|
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  <span class="keywordflow">if</span> (!added_variables_[l.Variable()]) {</div>
|
|
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>  added_variables_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#a41f798a04019147982b29c576ff9d8b7">Set</a>(l.Variable());</div>
|
|
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  output->push_back(l);</div>
|
|
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  }</div>
|
|
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  }</div>
|
|
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span> }</div>
|
|
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  </div>
|
|
<div class="line"><a name="l01562"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a430eb799926e49f2339d7f52c01d038b"> 1562</a></span> std::vector<Literal> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a430eb799926e49f2339d7f52c01d038b">IntegerTrail::ReasonFor</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  std::vector<Literal> reason;</div>
|
|
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac7f9c569e2ad83d246e4a17ea303a7ec">MergeReasonInto</a>({<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>}, &reason);</div>
|
|
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  <span class="keywordflow">return</span> reason;</div>
|
|
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span> }</div>
|
|
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  </div>
|
|
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span> <span class="comment">// TODO(user): If this is called many time on the same variables, it could be</span></div>
|
|
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span> <span class="comment">// made faster by using some caching mecanism.</span></div>
|
|
<div class="line"><a name="l01570"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac7f9c569e2ad83d246e4a17ea303a7ec"> 1570</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ac7f9c569e2ad83d246e4a17ea303a7ec">IntegerTrail::MergeReasonInto</a>(absl::Span<const IntegerLiteral> literals,</div>
|
|
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  std::vector<Literal>* output)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(tmp_queue_.empty());</div>
|
|
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a>& <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : literals) {</div>
|
|
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> trail_index = FindLowestTrailIndexThatExplainBound(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  </div>
|
|
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  <span class="comment">// Any indices lower than that means that there is no reason needed.</span></div>
|
|
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  <span class="comment">// Note that it is important for size to be signed because of -1 indices.</span></div>
|
|
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  <span class="keywordflow">if</span> (trail_index >= num_vars) tmp_queue_.push_back(trail_index);</div>
|
|
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  }</div>
|
|
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  <span class="keywordflow">return</span> MergeReasonIntoInternal(output);</div>
|
|
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span> }</div>
|
|
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  </div>
|
|
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span> <span class="comment">// This will expand the reason of the IntegerLiteral already in tmp_queue_ until</span></div>
|
|
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span> <span class="comment">// everything is explained in term of Literal.</span></div>
|
|
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span> <span class="keywordtype">void</span> IntegerTrail::MergeReasonIntoInternal(std::vector<Literal>* output)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  <span class="comment">// All relevant trail indices will be >= vars_.size(), so we can safely use</span></div>
|
|
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  <span class="comment">// zero to means that no literal refering to this variable is in the queue.</span></div>
|
|
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(std::all_of(tmp_var_to_trail_index_in_queue_.<a class="code" href="classabsl_1_1_strong_vector.html#ad69bd11391be1a1dba5c8202259664f8">begin</a>(),</div>
|
|
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  tmp_var_to_trail_index_in_queue_.<a class="code" href="classabsl_1_1_strong_vector.html#acad38d52497a975bfb6f2f6acd76631f">end</a>(),</div>
|
|
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  [](<span class="keywordtype">int</span> v) { return v == 0; }));</div>
|
|
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  </div>
|
|
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  added_variables_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#ae09e38958e558d2c776bc555a0dc2fc7">ClearAndResize</a>(BooleanVariable(trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9d3beb2afe4ae647674b054bf29290e2">NumVariables</a>()));</div>
|
|
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</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 : *output) {</div>
|
|
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  added_variables_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#a41f798a04019147982b29c576ff9d8b7">Set</a>(l.Variable());</div>
|
|
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  }</div>
|
|
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  </div>
|
|
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <span class="comment">// During the algorithm execution, all the queue entries that do not match the</span></div>
|
|
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  <span class="comment">// content of tmp_var_to_trail_index_in_queue_[] will be ignored.</span></div>
|
|
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> trail_index : tmp_queue_) {</div>
|
|
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(trail_index, vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
|
|
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(trail_index, integer_trail_.size());</div>
|
|
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[trail_index];</div>
|
|
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  tmp_var_to_trail_index_in_queue_[entry.var] =</div>
|
|
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(tmp_var_to_trail_index_in_queue_[entry.var], trail_index);</div>
|
|
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  }</div>
|
|
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  </div>
|
|
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  <span class="comment">// We manage our heap by hand so that we can range iterate over it above, and</span></div>
|
|
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  <span class="comment">// this initial heapify is faster.</span></div>
|
|
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  std::make_heap(tmp_queue_.begin(), tmp_queue_.end());</div>
|
|
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  </div>
|
|
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  <span class="comment">// We process the entries by highest trail_index first. The content of the</span></div>
|
|
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  <span class="comment">// queue will always be a valid reason for the literals we already added to</span></div>
|
|
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  <span class="comment">// the output.</span></div>
|
|
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  tmp_to_clear_.clear();</div>
|
|
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  <span class="keywordflow">while</span> (!tmp_queue_.empty()) {</div>
|
|
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> trail_index = tmp_queue_.front();</div>
|
|
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[trail_index];</div>
|
|
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  std::pop_heap(tmp_queue_.begin(), tmp_queue_.end());</div>
|
|
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  tmp_queue_.pop_back();</div>
|
|
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  </div>
|
|
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  <span class="comment">// Skip any stale queue entry. Amongst all the entry refering to a given</span></div>
|
|
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  <span class="comment">// variable, only the latest added to the queue is valid and we detect it</span></div>
|
|
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  <span class="comment">// using its trail index.</span></div>
|
|
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  <span class="keywordflow">if</span> (tmp_var_to_trail_index_in_queue_[entry.var] != trail_index) {</div>
|
|
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  }</div>
|
|
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  </div>
|
|
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  <span class="comment">// Set the cache threshold. Since we process trail indices in decreasing</span></div>
|
|
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  <span class="comment">// order and we only have single linked list, we only want to advance the</span></div>
|
|
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  <span class="comment">// "cache" up to this threshold.</span></div>
|
|
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  var_trail_index_cache_threshold_ = trail_index;</div>
|
|
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  </div>
|
|
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  <span class="comment">// If this entry has an associated literal, then it should always be the</span></div>
|
|
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  <span class="comment">// one we used for the reason. This code DCHECK that.</span></div>
|
|
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  <span class="keywordflow">if</span> (<a class="code" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a>) {</div>
|
|
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  <span class="keyword">const</span> LiteralIndex associated_lit =</div>
|
|
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  encoder_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1f45fc78bc701ed536087a92557a1fe7">GetAssociatedLiteral</a>(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(</div>
|
|
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  IntegerVariable(entry.var), entry.bound));</div>
|
|
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keywordflow">if</span> (associated_lit != <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>) {</div>
|
|
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  <span class="comment">// We check that the reason is the same!</span></div>
|
|
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> reason_index = integer_trail_[trail_index].reason_index;</div>
|
|
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  <a class="code" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(reason_index, -1);</div>
|
|
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  {</div>
|
|
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> start = literals_reason_starts_[reason_index];</div>
|
|
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> end = reason_index + 1 < literals_reason_starts_.size()</div>
|
|
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>  ? literals_reason_starts_[reason_index + 1]</div>
|
|
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>  : literals_reason_buffer_.size();</div>
|
|
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(start + 1, end);</div>
|
|
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(literals_reason_buffer_[start],</div>
|
|
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  Literal(associated_lit).Negated());</div>
|
|
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>  }</div>
|
|
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  {</div>
|
|
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> start = bounds_reason_starts_[reason_index];</div>
|
|
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> end = reason_index + 1 < bounds_reason_starts_.size()</div>
|
|
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>  ? bounds_reason_starts_[reason_index + 1]</div>
|
|
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  : bounds_reason_buffer_.size();</div>
|
|
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(start, end);</div>
|
|
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  }</div>
|
|
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  }</div>
|
|
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  }</div>
|
|
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  </div>
|
|
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  <span class="comment">// Process this entry. Note that if any of the next expansion include the</span></div>
|
|
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  <span class="comment">// variable entry.var in their reason, we must process it again because we</span></div>
|
|
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  <span class="comment">// cannot easily detect if it was needed to infer the current entry.</span></div>
|
|
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  <span class="comment">// Important: the queue might already contains entries refering to the same</span></div>
|
|
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  <span class="comment">// variable. The code act like if we deleted all of them at this point, we</span></div>
|
|
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>  <span class="comment">// just do that lazily. tmp_var_to_trail_index_in_queue_[var] will</span></div>
|
|
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>  <span class="comment">// only refer to newly added entries.</span></div>
|
|
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>  tmp_var_to_trail_index_in_queue_[entry.var] = 0;</div>
|
|
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  has_dependency_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>  </div>
|
|
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  ComputeLazyReasonIfNeeded(trail_index);</div>
|
|
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  AppendLiteralsReason(trail_index, output);</div>
|
|
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> next_trail_index : Dependencies(trail_index)) {</div>
|
|
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  <span class="keywordflow">if</span> (next_trail_index < 0) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>  <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(next_trail_index, trail_index);</div>
|
|
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  <span class="keyword">const</span> TrailEntry& next_entry = integer_trail_[next_trail_index];</div>
|
|
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  </div>
|
|
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>  <span class="comment">// Only add literals that are not "implied" by the ones already present.</span></div>
|
|
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  <span class="comment">// For instance, do not add (x >= 4) if we already have (x >= 7). This</span></div>
|
|
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  <span class="comment">// translate into only adding a trail index if it is larger than the one</span></div>
|
|
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  <span class="comment">// in the queue refering to the same variable.</span></div>
|
|
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_in_queue =</div>
|
|
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  tmp_var_to_trail_index_in_queue_[next_entry.var];</div>
|
|
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>  <span class="keywordflow">if</span> (index_in_queue != <a class="code" href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a>) has_dependency_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>  <span class="keywordflow">if</span> (next_trail_index > index_in_queue) {</div>
|
|
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  tmp_var_to_trail_index_in_queue_[next_entry.var] = next_trail_index;</div>
|
|
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>  tmp_queue_.<a class="code" href="classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b">push_back</a>(next_trail_index);</div>
|
|
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  std::push_heap(tmp_queue_.begin(), tmp_queue_.end());</div>
|
|
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  }</div>
|
|
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  }</div>
|
|
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  </div>
|
|
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  <span class="comment">// Special case for a "leaf", we will never need this variable again.</span></div>
|
|
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  <span class="keywordflow">if</span> (!has_dependency_) {</div>
|
|
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  tmp_to_clear_.push_back(entry.var);</div>
|
|
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  tmp_var_to_trail_index_in_queue_[entry.var] = <a class="code" href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a>;</div>
|
|
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  }</div>
|
|
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  }</div>
|
|
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  </div>
|
|
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  <span class="comment">// clean-up.</span></div>
|
|
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : tmp_to_clear_) {</div>
|
|
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  tmp_var_to_trail_index_in_queue_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = 0;</div>
|
|
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  }</div>
|
|
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span> }</div>
|
|
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  </div>
|
|
<div class="line"><a name="l01708"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#a5aa25e6e306c7158c11d2053170379a2"> 1708</a></span> absl::Span<const Literal> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a5aa25e6e306c7158c11d2053170379a2">IntegerTrail::Reason</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>& trail,</div>
|
|
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  <span class="keywordtype">int</span> trail_index)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = boolean_trail_index_to_integer_one_[trail_index];</div>
|
|
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  std::vector<Literal>* reason = trail.<a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a70e532a108e1f03d6f9112c770ffbedb">GetEmptyVectorToStoreReason</a>(trail_index);</div>
|
|
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  added_variables_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#ae09e38958e558d2c776bc555a0dc2fc7">ClearAndResize</a>(BooleanVariable(trail_-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a9d3beb2afe4ae647674b054bf29290e2">NumVariables</a>()));</div>
|
|
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  </div>
|
|
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  ComputeLazyReasonIfNeeded(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  AppendLiteralsReason(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, reason);</div>
|
|
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(tmp_queue_.empty());</div>
|
|
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> prev_trail_index : Dependencies(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
|
|
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  <span class="keywordflow">if</span> (prev_trail_index < 0) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(prev_trail_index, vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
|
|
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>  tmp_queue_.push_back(prev_trail_index);</div>
|
|
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  }</div>
|
|
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  MergeReasonIntoInternal(reason);</div>
|
|
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  <span class="keywordflow">return</span> *reason;</div>
|
|
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span> }</div>
|
|
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  </div>
|
|
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span> <span class="comment">// TODO(user): Implement a dense version if there is more trail entries</span></div>
|
|
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span> <span class="comment">// than variables!</span></div>
|
|
<div class="line"><a name="l01728"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_integer_trail.html#aab182be7f1a6eccbc2b14c21fce5e9dd"> 1728</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#aab182be7f1a6eccbc2b14c21fce5e9dd">IntegerTrail::AppendNewBounds</a>(std::vector<IntegerLiteral>* output)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  tmp_marked_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#ae09e38958e558d2c776bc555a0dc2fc7">ClearAndResize</a>(IntegerVariable(vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()));</div>
|
|
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>  </div>
|
|
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  <span class="comment">// In order to push the best bound for each variable, we loop backward.</span></div>
|
|
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> end = vars_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>();</div>
|
|
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = integer_trail_.size(); --i >= end;) {</div>
|
|
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  <span class="keyword">const</span> TrailEntry& entry = integer_trail_[i];</div>
|
|
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>  <span class="keywordflow">if</span> (entry.var == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  <span class="keywordflow">if</span> (tmp_marked_[entry.var]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  </div>
|
|
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  tmp_marked_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#a41f798a04019147982b29c576ff9d8b7">Set</a>(entry.var);</div>
|
|
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  output->push_back(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(entry.var, entry.bound));</div>
|
|
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  }</div>
|
|
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span> }</div>
|
|
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  </div>
|
|
<div class="line"><a name="l01743"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#ab0e5f5a9066ecab18c474d867d7ea8d1"> 1743</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#ab0e5f5a9066ecab18c474d867d7ea8d1">GenericLiteralWatcher::GenericLiteralWatcher</a>(<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="l01744"></a><span class="lineno"> 1744</span>  : <a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html">SatPropagator</a>(<span class="stringliteral">"GenericLiteralWatcher"</span>),</div>
|
|
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  time_limit_(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>>()),</div>
|
|
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  integer_trail_(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>>()),</div>
|
|
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  rev_int_repository_(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_rev_int_repository.html">RevIntRepository</a>>()) {</div>
|
|
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  <span class="comment">// TODO(user): This propagator currently needs to be last because it is the</span></div>
|
|
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  <span class="comment">// only one enforcing that a fix-point is reached on the integer variables.</span></div>
|
|
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>  <span class="comment">// Figure out a better interaction between the sat propagation loop and</span></div>
|
|
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  <span class="comment">// this one.</span></div>
|
|
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">SatSolver</a>>()->AddLastPropagator(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  </div>
|
|
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  integer_trail_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ae517412fa6f592ccb7c8e0f1569ba983">RegisterReversibleClass</a>(</div>
|
|
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>  &id_to_greatest_common_level_since_last_call_);</div>
|
|
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  integer_trail_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a1eb60e3eca768de339988b37c6f1fd0b">RegisterWatcher</a>(&modified_vars_);</div>
|
|
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  queue_by_priority_.resize(2); <span class="comment">// Because default priority is 1.</span></div>
|
|
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span> }</div>
|
|
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  </div>
|
|
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span> <span class="keywordtype">void</span> GenericLiteralWatcher::UpdateCallingNeeds(<a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail) {</div>
|
|
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  <span class="comment">// Process any new Literal on the trail.</span></div>
|
|
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  <span class="keywordflow">while</span> (propagation_trail_index_ < trail-><a class="code" href="namespaceoperations__research_1_1glop.html#abec9e934a51aa2ab519684cc0f446a41">Index</a>()) {</div>
|
|
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = (*trail)[<a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">propagation_trail_index_</a>++];</div>
|
|
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  <span class="keywordflow">if</span> (<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index() >= literal_to_watcher_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) <span class="keywordflow">continue</span>;</div>
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|
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> entry : literal_to_watcher_[<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.Index()]) {</div>
|
|
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  <span class="keywordflow">if</span> (!in_queue_[entry.id]) {</div>
|
|
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>  in_queue_[entry.id] = <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>  queue_by_priority_[id_to_priority_[entry.id]].push_back(entry.id);</div>
|
|
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  }</div>
|
|
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>  <span class="keywordflow">if</span> (entry.watch_index >= 0) {</div>
|
|
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  id_to_watch_indices_[entry.id].push_back(entry.watch_index);</div>
|
|
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  }</div>
|
|
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  }</div>
|
|
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>  }</div>
|
|
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>  </div>
|
|
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>  <span class="comment">// Process the newly changed variables lower bounds.</span></div>
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|
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : modified_vars_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#a1e5ae9fb14fd6b25919148ae8bbaf050">PositionsSetAtLeastOnce</a>()) {</div>
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|
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value() >= var_to_watcher_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>()) <span class="keywordflow">continue</span>;</div>
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|
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> entry : var_to_watcher_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) {</div>
|
|
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>  <span class="keywordflow">if</span> (!in_queue_[entry.id]) {</div>
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|
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>  in_queue_[entry.id] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>  queue_by_priority_[id_to_priority_[entry.id]].push_back(entry.id);</div>
|
|
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  }</div>
|
|
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  <span class="keywordflow">if</span> (entry.watch_index >= 0) {</div>
|
|
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  id_to_watch_indices_[entry.id].push_back(entry.watch_index);</div>
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|
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  }</div>
|
|
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  }</div>
|
|
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>  }</div>
|
|
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  </div>
|
|
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  <span class="keywordflow">if</span> (trail-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>() == 0) {</div>
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|
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  <span class="keyword">const</span> std::vector<IntegerVariable>& modified_vars =</div>
|
|
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  modified_vars_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#a1e5ae9fb14fd6b25919148ae8bbaf050">PositionsSetAtLeastOnce</a>();</div>
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|
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a> : level_zero_modified_variable_callback_) {</div>
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|
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>(modified_vars);</div>
|
|
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  }</div>
|
|
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  }</div>
|
|
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  </div>
|
|
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  modified_vars_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#ae09e38958e558d2c776bc555a0dc2fc7">ClearAndResize</a>(integer_trail_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af88a18429909498405c450015f0a223a">NumIntegerVariables</a>());</div>
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|
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span> }</div>
|
|
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  </div>
|
|
<div class="line"><a name="l01801"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a1f591be5334541874ba049873235f0a9"> 1801</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a1f591be5334541874ba049873235f0a9">GenericLiteralWatcher::Propagate</a>(<a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>* trail) {</div>
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|
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  <span class="comment">// Only once per call to Propagate(), if we are at level zero, we might want</span></div>
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|
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  <span class="comment">// to call propagators even if the bounds didn't change.</span></div>
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|
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> level = trail-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>();</div>
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|
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  <span class="keywordflow">if</span> (level == 0) {</div>
|
|
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> : propagator_ids_to_call_at_level_zero_) {</div>
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|
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  <span class="keywordflow">if</span> (in_queue_[<span class="keywordtype">id</span>]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  in_queue_[id] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  queue_by_priority_[id_to_priority_[id]].push_back(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  }</div>
|
|
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>  }</div>
|
|
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  </div>
|
|
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  UpdateCallingNeeds(trail);</div>
|
|
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>  </div>
|
|
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  <span class="comment">// Note that the priority may be set to -1 inside the loop in order to restart</span></div>
|
|
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="comment">// at zero.</span></div>
|
|
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  <span class="keywordtype">int</span> test_limit = 0;</div>
|
|
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> priority = 0; priority < queue_by_priority_.size(); ++priority) {</div>
|
|
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  <span class="comment">// We test the time limit from time to time. This is in order to return in</span></div>
|
|
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  <span class="comment">// case of slow propagation.</span></div>
|
|
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  <span class="comment">// TODO(user): The queue will not be emptied, but I am not sure the solver</span></div>
|
|
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  <span class="comment">// will be left in an usable state. Fix if it become needed to resume</span></div>
|
|
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  <span class="comment">// the solve from the last time it was interupted.</span></div>
|
|
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  <span class="keywordflow">if</span> (test_limit > 100) {</div>
|
|
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  test_limit = 0;</div>
|
|
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>  <span class="keywordflow">if</span> (time_limit_-><a class="code" href="classoperations__research_1_1_time_limit.html#a810d5f7aaf80cc09cf5a094e20c1aaca">LimitReached</a>()) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  }</div>
|
|
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  </div>
|
|
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>  std::deque<int>& queue = queue_by_priority_[priority];</div>
|
|
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>  <span class="keywordflow">while</span> (!queue.empty()) {</div>
|
|
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> = queue.front();</div>
|
|
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  current_id_ = id;</div>
|
|
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  queue.pop_front();</div>
|
|
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  </div>
|
|
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  <span class="comment">// Before we propagate, make sure any reversible structure are up to date.</span></div>
|
|
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>  <span class="comment">// Note that we never do anything expensive more than once per level.</span></div>
|
|
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  {</div>
|
|
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> low =</div>
|
|
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  id_to_greatest_common_level_since_last_call_[IdType(<span class="keywordtype">id</span>)];</div>
|
|
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> high = id_to_level_at_last_call_[id];</div>
|
|
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  <span class="keywordflow">if</span> (low < high || level > low) { <span class="comment">// Equivalent to not all equal.</span></div>
|
|
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  id_to_level_at_last_call_[id] = level;</div>
|
|
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  id_to_greatest_common_level_since_last_call_.<a class="code" href="classoperations__research_1_1_rev_vector.html#a7b929dd334119ace421ff0836393a327">MutableRef</a>(IdType(<span class="keywordtype">id</span>)) =</div>
|
|
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  level;</div>
|
|
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  <span class="keywordflow">for</span> (<a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a>* rev : id_to_reversible_classes_[<span class="keywordtype">id</span>]) {</div>
|
|
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>  <span class="keywordflow">if</span> (low < high) rev->SetLevel(low);</div>
|
|
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>  <span class="keywordflow">if</span> (level > low) rev->SetLevel(level);</div>
|
|
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  }</div>
|
|
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span>* rev_int : id_to_reversible_ints_[<span class="keywordtype">id</span>]) {</div>
|
|
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>  rev_int_repository_-><a class="code" href="classoperations__research_1_1_rev_repository.html#a32476d1fb09b1e06181ee07d30378b02">SaveState</a>(rev_int);</div>
|
|
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>  }</div>
|
|
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>  }</div>
|
|
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>  }</div>
|
|
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>  </div>
|
|
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>  <span class="comment">// This is needed to detect if the propagator propagated anything or not.</span></div>
|
|
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> old_integer_timestamp = integer_trail_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a9974fec8135545ed78d68333b6ec7cec">num_enqueues</a>();</div>
|
|
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> old_boolean_timestamp = trail-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179">Index</a>();</div>
|
|
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  </div>
|
|
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  <span class="comment">// TODO(user): Maybe just provide one function Propagate(watch_indices) ?</span></div>
|
|
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  std::vector<int>& watch_indices_ref = id_to_watch_indices_[id];</div>
|
|
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> result =</div>
|
|
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>  watch_indices_ref.empty()</div>
|
|
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  ? watchers_[id]->Propagate()</div>
|
|
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  : watchers_[id]->IncrementalPropagate(watch_indices_ref);</div>
|
|
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  <span class="keywordflow">if</span> (!result) {</div>
|
|
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  watch_indices_ref.clear();</div>
|
|
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  in_queue_[id] = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  }</div>
|
|
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  </div>
|
|
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>  <span class="comment">// Update the propagation queue. At this point, the propagator has been</span></div>
|
|
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  <span class="comment">// removed from the queue but in_queue_ is still true.</span></div>
|
|
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>  <span class="keywordflow">if</span> (id_to_idempotence_[<span class="keywordtype">id</span>]) {</div>
|
|
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  <span class="comment">// If the propagator is assumed to be idempotent, then we set in_queue_</span></div>
|
|
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>  <span class="comment">// to false after UpdateCallingNeeds() so this later function will never</span></div>
|
|
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  <span class="comment">// add it back.</span></div>
|
|
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>  UpdateCallingNeeds(trail);</div>
|
|
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>  watch_indices_ref.clear();</div>
|
|
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  in_queue_[id] = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>  <span class="comment">// Otherwise, we set in_queue_ to false first so that</span></div>
|
|
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>  <span class="comment">// UpdateCallingNeeds() may add it back if the propagator modified any</span></div>
|
|
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>  <span class="comment">// of its watched variables.</span></div>
|
|
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>  watch_indices_ref.clear();</div>
|
|
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>  in_queue_[id] = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>  UpdateCallingNeeds(trail);</div>
|
|
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  }</div>
|
|
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  </div>
|
|
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>  <span class="comment">// If the propagator pushed a literal, we exit in order to rerun all SAT</span></div>
|
|
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  <span class="comment">// only propagators first. Note that since a literal was pushed we are</span></div>
|
|
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  <span class="comment">// guaranteed to be called again, and we will resume from priority 0.</span></div>
|
|
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  <span class="keywordflow">if</span> (trail-><a class="code" href="classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179">Index</a>() > old_boolean_timestamp) {</div>
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|
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  <span class="comment">// Important: for now we need to re-run the clauses propagator each time</span></div>
|
|
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>  <span class="comment">// we push a new literal because some propagator like the arc consistent</span></div>
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<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  <span class="comment">// all diff relies on this.</span></div>
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|
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>  <span class="comment">// TODO(user): However, on some problem, it seems to work better to not</span></div>
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<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  <span class="comment">// do that. One possible reason is that the reason of a "natural"</span></div>
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|
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>  <span class="comment">// propagation might be better than one we learned.</span></div>
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<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>  }</div>
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<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>  </div>
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<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>  <span class="comment">// If the propagator pushed an integer bound, we revert to priority = 0.</span></div>
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|
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>  <span class="keywordflow">if</span> (integer_trail_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a9974fec8135545ed78d68333b6ec7cec">num_enqueues</a>() > old_integer_timestamp) {</div>
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<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>  ++test_limit;</div>
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<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>  priority = -1; <span class="comment">// Because of the ++priority in the for loop.</span></div>
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<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  }</div>
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<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  }</div>
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<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>  }</div>
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<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span> }</div>
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<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  </div>
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<div class="line"><a name="l01915"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#af46d3e8559a1951914b218e3ef4f34c7"> 1915</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#af46d3e8559a1951914b218e3ef4f34c7">GenericLiteralWatcher::Untrail</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>& trail, <span class="keywordtype">int</span> trail_index) {</div>
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<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">propagation_trail_index_</a> <= trail_index) {</div>
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<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  <span class="comment">// Nothing to do since we found a conflict before Propagate() was called.</span></div>
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<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(<a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">propagation_trail_index_</a>, trail_index);</div>
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|
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>  }</div>
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|
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  </div>
|
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<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>  <span class="comment">// We need to clear the watch indices on untrail.</span></div>
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<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  <span class="keywordflow">for</span> (std::deque<int>& queue : queue_by_priority_) {</div>
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<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> : queue) {</div>
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<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  id_to_watch_indices_[id].clear();</div>
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<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>  }</div>
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<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>  queue.clear();</div>
|
|
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  }</div>
|
|
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>  </div>
|
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<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>  <span class="comment">// This means that we already propagated all there is to propagate</span></div>
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<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>  <span class="comment">// at the level trail_index, so we can safely clear modified_vars_ in case</span></div>
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|
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>  <span class="comment">// it wasn't already done.</span></div>
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<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">propagation_trail_index_</a> = trail_index;</div>
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<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>  modified_vars_.<a class="code" href="classoperations__research_1_1_sparse_bitset.html#ae09e38958e558d2c776bc555a0dc2fc7">ClearAndResize</a>(integer_trail_-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#af88a18429909498405c450015f0a223a">NumIntegerVariables</a>());</div>
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|
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>  in_queue_.assign(watchers_.size(), <span class="keyword">false</span>);</div>
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|
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span> }</div>
|
|
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>  </div>
|
|
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span> <span class="comment">// Registers a propagator and returns its unique ids.</span></div>
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|
<div class="line"><a name="l01939"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adeee4ac52bfe0f1b48ee8958bb88b4e3"> 1939</a></span> <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adeee4ac52bfe0f1b48ee8958bb88b4e3">GenericLiteralWatcher::Register</a>(<a class="code" href="classoperations__research_1_1sat_1_1_propagator_interface.html">PropagatorInterface</a>* propagator) {</div>
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|
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> = watchers_.size();</div>
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|
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>  watchers_.push_back(propagator);</div>
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|
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>  id_to_level_at_last_call_.push_back(0);</div>
|
|
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  id_to_greatest_common_level_since_last_call_.<a class="code" href="classoperations__research_1_1_rev_vector.html#a5b35eda9cbed0426e4aa37f8f309a351">GrowByOne</a>();</div>
|
|
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>  id_to_reversible_classes_.push_back(std::vector<ReversibleInterface*>());</div>
|
|
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  id_to_reversible_ints_.push_back(std::vector<int*>());</div>
|
|
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>  id_to_watch_indices_.push_back(std::vector<int>());</div>
|
|
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>  id_to_priority_.push_back(1);</div>
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|
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  id_to_idempotence_.push_back(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>  </div>
|
|
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>  <span class="comment">// Call this propagator at least once the next time Propagate() is called.</span></div>
|
|
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>  <span class="comment">// TODO(user): This initial propagation does not respect any later priority</span></div>
|
|
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>  <span class="comment">// settings. Fix this. Maybe we should force users to pass the priority at</span></div>
|
|
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>  <span class="comment">// registration. For now I didn't want to change the interface because there</span></div>
|
|
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>  <span class="comment">// are plans to implement a kind of "dynamic" priority, and if it works we may</span></div>
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|
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>  <span class="comment">// want to get rid of this altogether.</span></div>
|
|
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>  in_queue_.push_back(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>  queue_by_priority_[1].push_back(<span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>  <span class="keywordflow">return</span> id;</div>
|
|
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span> }</div>
|
|
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>  </div>
|
|
<div class="line"><a name="l01962"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adc5598223a363c10d95c00395145bcc6"> 1962</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adc5598223a363c10d95c00395145bcc6">GenericLiteralWatcher::SetPropagatorPriority</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">int</span> priority) {</div>
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|
<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>  id_to_priority_[id] = priority;</div>
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|
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span>  <span class="keywordflow">if</span> (priority >= queue_by_priority_.size()) {</div>
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|
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>  queue_by_priority_.resize(priority + 1);</div>
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|
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>  }</div>
|
|
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span> }</div>
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|
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>  </div>
|
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<div class="line"><a name="l01969"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#aef66ce77e5b87afecf1c5696f44d4d1c"> 1969</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#aef66ce77e5b87afecf1c5696f44d4d1c">GenericLiteralWatcher::NotifyThatPropagatorMayNotReachFixedPointInOnePass</a>(</div>
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<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>  <span class="keywordtype">int</span> <span class="keywordtype">id</span>) {</div>
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|
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>  id_to_idempotence_[id] = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span> }</div>
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|
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  </div>
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<div class="line"><a name="l01974"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a2f8078e3c74ab15964ea42801732313a"> 1974</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a2f8078e3c74ab15964ea42801732313a">GenericLiteralWatcher::AlwaysCallAtLevelZero</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>) {</div>
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<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>  propagator_ids_to_call_at_level_zero_.push_back(<span class="keywordtype">id</span>);</div>
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|
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span> }</div>
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|
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>  </div>
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<div class="line"><a name="l01978"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8b8fcdc97976ca46ea04a03fd874d9b3"> 1978</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8b8fcdc97976ca46ea04a03fd874d9b3">GenericLiteralWatcher::RegisterReversibleClass</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>,</div>
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|
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>  <a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a>* rev) {</div>
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|
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>  id_to_reversible_classes_[id].push_back(rev);</div>
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|
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span> }</div>
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<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>  </div>
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|
<div class="line"><a name="l01983"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8963fd33e7bd70e749b2a37060ef1274"> 1983</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8963fd33e7bd70e749b2a37060ef1274">GenericLiteralWatcher::RegisterReversibleInt</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">int</span>* rev) {</div>
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|
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  id_to_reversible_ints_[id].push_back(rev);</div>
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|
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span> }</div>
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<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>  </div>
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<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span> <span class="comment">// This is really close to ExcludeCurrentSolutionAndBacktrack().</span></div>
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<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span> std::function<void(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)></div>
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<div class="line"><a name="l01989"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355"> 1989</a></span> <a class="code" href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355">ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack</a>() {</div>
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<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>  <span class="keywordflow">return</span> [=](<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">SatSolver</a>* sat_solver = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">SatSolver</a>>();</div>
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<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>>();</div>
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<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html">IntegerEncoder</a>* encoder = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html">IntegerEncoder</a>>();</div>
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<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>  </div>
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<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> current_level = sat_solver-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">CurrentDecisionLevel</a>();</div>
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<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>  std::vector<Literal> clause_to_exclude_solution;</div>
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|
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>  clause_to_exclude_solution.reserve(current_level);</div>
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<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < current_level; ++i) {</div>
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<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>  <span class="keywordtype">bool</span> include_decision = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> decision = sat_solver-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#afb267fc6b043c4e4a15bf0bddd0aaf3f">Decisions</a>()[i].literal;</div>
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<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  </div>
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<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>  <span class="comment">// Tests if this decision is associated to a bound of an ignored variable</span></div>
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<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  <span class="comment">// in the current assignment.</span></div>
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<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>  <span class="keyword">const</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a003e7b51f96dbc816348288532b04b21">InlinedIntegerLiteralVector</a>& associated_literals =</div>
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|
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>  encoder->GetIntegerLiterals(decision);</div>
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<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> : associated_literals) {</div>
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<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>  <span class="keywordflow">if</span> (integer_trail->IsCurrentlyIgnored(<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>.var)) {</div>
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<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  <span class="comment">// In this case we replace the decision (which is a bound on an</span></div>
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<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>  <span class="comment">// ignored variable) with the fact that the integer variable was</span></div>
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<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>  <span class="comment">// ignored. This works because the only impact a bound of an ignored</span></div>
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<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>  <span class="comment">// variable can have on the rest of the model is through the</span></div>
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<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>  <span class="comment">// is_ignored literal.</span></div>
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<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>  clause_to_exclude_solution.push_back(</div>
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<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>  integer_trail->IsIgnoredLiteral(<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>.var).Negated());</div>
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<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>  include_decision = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>  }</div>
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<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>  }</div>
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<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>  </div>
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<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>  <span class="keywordflow">if</span> (include_decision) {</div>
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<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>  clause_to_exclude_solution.push_back(decision.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>());</div>
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<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>  }</div>
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<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>  }</div>
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<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>  </div>
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<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>  <span class="comment">// Note that it is okay to add duplicates literals in ClauseConstraint(),</span></div>
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<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>  <span class="comment">// the clause will be preprocessed correctly.</span></div>
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<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>  sat_solver-><a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#ac035378cea0ed7b0978105547402faa8">Backtrack</a>(0);</div>
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<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1655a9b9673e7c4de940ca6e5e3cf936">ClauseConstraint</a>(clause_to_exclude_solution));</div>
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<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  };</div>
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<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span> }</div>
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<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>  </div>
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<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span> } <span class="comment">// namespace sat</span></div>
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<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37"><div class="ttname"><a href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a></div><div class="ttdeci">int64 min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00138">alldiff_cst.cc:138</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a0581caafbd212149004303f517163b1f"><div class="ttname"><a href="base_2logging_8h.html#a0581caafbd212149004303f517163b1f">DLOG_IF</a></div><div class="ttdeci">#define DLOG_IF(severity, condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00877">base/logging.h:877</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2"><div class="ttname"><a href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a></div><div class="ttdeci">#define DCHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00887">base/logging.h:887</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_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#l00700">base/logging.h:700</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00697">base/logging.h:697</a></div></div>
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<div class="ttc" id="abase_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#l00701">base/logging.h:701</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295"><div class="ttname"><a href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a></div><div class="ttdeci">#define DCHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
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<div class="ttc" id="abase_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#l00698">base/logging.h:698</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab4f56aa24c4c9cddc47a6abd2d747f9a"><div class="ttname"><a href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a></div><div class="ttdeci">#define DCHECK_GT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a"><div class="ttname"><a href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a></div><div class="ttdeci">#define DCHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00888">base/logging.h:888</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00884">base/logging.h:884</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae4db23f10f5d4aad6d735f5a74cd6f8c"><div class="ttname"><a href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a></div><div class="ttdeci">#define CHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00699">base/logging.h:699</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0"><div class="ttname"><a href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a></div><div class="ttdeci">#define DCHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00885">base/logging.h:885</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00978">base/logging.h:978</a></div></div>
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<div class="ttc" id="aclassabsl_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="aclassabsl_1_1_strong_vector_html_a562f7b24b47d3e7632a9896935c14d8b"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a562f7b24b47d3e7632a9896935c14d8b">absl::StrongVector::reserve</a></div><div class="ttdeci">void reserve(size_type n)</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00157">strong_vector.h:157</a></div></div>
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<div class="ttc" id="aclassabsl_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="aclassabsl_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="aclassabsl_1_1_strong_vector_html_acad38d52497a975bfb6f2f6acd76631f"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#acad38d52497a975bfb6f2f6acd76631f">absl::StrongVector::end</a></div><div class="ttdeci">iterator end()</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00140">strong_vector.h:140</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html_ad69bd11391be1a1dba5c8202259664f8"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#ad69bd11391be1a1dba5c8202259664f8">absl::StrongVector::begin</a></div><div class="ttdeci">iterator begin()</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00138">strong_vector.h:138</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html"><div class="ttname"><a href="classoperations__research_1_1_domain.html">operations_research::Domain</a></div><div class="ttdoc">We call domain any subset of Int64 = [kint64min, kint64max].</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8h_source.html#l00081">sorted_interval_list.h:81</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a1e3aa02e2d8300db5f1fc12f6b3228fa"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a1e3aa02e2d8300db5f1fc12f6b3228fa">operations_research::Domain::Negation</a></div><div class="ttdeci">Domain Negation() const</div><div class="ttdoc">Returns {x ∈ Int64, ∃ e ∈ D, x = -e}.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00262">sorted_interval_list.cc:262</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a33fc82d1b38cc54c46504efd8d198686"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a33fc82d1b38cc54c46504efd8d198686">operations_research::Domain::end</a></div><div class="ttdeci">absl::InlinedVector< ClosedInterval, 1 >::const_iterator end() const</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8h_source.html#l00346">sorted_interval_list.h:346</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a3dcbf23ccbed61ee64ec08a934f57a9c"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a3dcbf23ccbed61ee64ec08a934f57a9c">operations_research::Domain::NumIntervals</a></div><div class="ttdeci">int NumIntervals() const</div><div class="ttdoc">Basic read-only std::vector<> wrapping to view a Domain as a sorted list of non-adjacent intervals.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8h_source.html#l00339">sorted_interval_list.h:339</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a53e9735282c0bf0769962bd1b6a643bc"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">operations_research::Domain::Min</a></div><div class="ttdeci">int64 Min() const</div><div class="ttdoc">Returns the min value of the domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00207">sorted_interval_list.cc:207</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a5fa627799e723b650fe562b05e1fef5f"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">operations_research::Domain::Max</a></div><div class="ttdeci">int64 Max() const</div><div class="ttdoc">Returns the max value of the domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00212">sorted_interval_list.cc:212</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a835826c4c5129b74553042a357a721ff"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a835826c4c5129b74553042a357a721ff">operations_research::Domain::IntersectionWith</a></div><div class="ttdeci">Domain IntersectionWith(const Domain &domain) const</div><div class="ttdoc">Returns the intersection of D and domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00283">sorted_interval_list.cc:283</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a8e12342fc420701fbffd97025421575a"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">operations_research::Domain::IsEmpty</a></div><div class="ttdeci">bool IsEmpty() const</div><div class="ttdoc">Returns true if this is the empty set.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00191">sorted_interval_list.cc:191</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_ab5228a93ebd3b866fc792ad8e5fe8fdc"><div class="ttname"><a href="classoperations__research_1_1_domain.html#ab5228a93ebd3b866fc792ad8e5fe8fdc">operations_research::Domain::Contains</a></div><div class="ttdeci">bool Contains(int64 value) const</div><div class="ttdoc">Returns true iff value is in Domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00222">sorted_interval_list.cc:222</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a09fa0047cdf0426ecf46dc2354a1a128"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128">operations_research::RevMap::Set</a></div><div class="ttdeci">void Set(key_type key, mapped_type value)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00238">rev.h:238</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a176d2c659864433ccd869b5fba8d57af"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af">operations_research::RevMap::SetLevel</a></div><div class="ttdeci">void SetLevel(int level) final</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00206">rev.h:206</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a4f5ea994c5a512b046b9b1291de364e6"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a4f5ea994c5a512b046b9b1291de364e6">operations_research::RevMap::FindOrDie</a></div><div class="ttdeci">const mapped_type & FindOrDie(key_type key) const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00172">rev.h:172</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_repository_html_a32476d1fb09b1e06181ee07d30378b02"><div class="ttname"><a href="classoperations__research_1_1_rev_repository.html#a32476d1fb09b1e06181ee07d30378b02">operations_research::RevRepository::SaveState</a></div><div class="ttdeci">void SaveState(T *object)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00061">rev.h:61</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_a5b35eda9cbed0426e4aa37f8f309a351"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#a5b35eda9cbed0426e4aa37f8f309a351">operations_research::RevVector::GrowByOne</a></div><div class="ttdeci">void GrowByOne()</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00108">rev.h:108</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_a7b929dd334119ace421ff0836393a327"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#a7b929dd334119ace421ff0836393a327">operations_research::RevVector::MutableRef</a></div><div class="ttdeci">T & MutableRef(IndexType index)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00095">rev.h:95</a></div></div>
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<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>
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<div class="ttc" id="aclassoperations__research_1_1_sparse_bitset_html"><div class="ttname"><a href="classoperations__research_1_1_sparse_bitset.html">operations_research::SparseBitset< IntegerVariable ></a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_sparse_bitset_html_a1e5ae9fb14fd6b25919148ae8bbaf050"><div class="ttname"><a href="classoperations__research_1_1_sparse_bitset.html#a1e5ae9fb14fd6b25919148ae8bbaf050">operations_research::SparseBitset::PositionsSetAtLeastOnce</a></div><div class="ttdeci">const std::vector< IntegerType > & PositionsSetAtLeastOnce() const</div><div class="ttdef"><b>Definition:</b> <a href="bitset_8h_source.html#l00815">bitset.h:815</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_sparse_bitset_html_a41f798a04019147982b29c576ff9d8b7"><div class="ttname"><a href="classoperations__research_1_1_sparse_bitset.html#a41f798a04019147982b29c576ff9d8b7">operations_research::SparseBitset::Set</a></div><div class="ttdeci">void Set(IntegerType index)</div><div class="ttdef"><b>Definition:</b> <a href="bitset_8h_source.html#l00805">bitset.h:805</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_sparse_bitset_html_ae09e38958e558d2c776bc555a0dc2fc7"><div class="ttname"><a href="classoperations__research_1_1_sparse_bitset.html#ae09e38958e558d2c776bc555a0dc2fc7">operations_research::SparseBitset::ClearAndResize</a></div><div class="ttdeci">void ClearAndResize(IntegerType size)</div><div class="ttdef"><b>Definition:</b> <a href="bitset_8h_source.html#l00780">bitset.h:780</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html">operations_research::TimeLimit</a></div><div class="ttdoc">A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00105">time_limit.h:105</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_time_limit_html_a810d5f7aaf80cc09cf5a094e20c1aaca"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html#a810d5f7aaf80cc09cf5a094e20c1aaca">operations_research::TimeLimit::LimitReached</a></div><div class="ttdeci">bool LimitReached()</div><div class="ttdoc">Returns true when the external limit is true, or the deterministic time is over the deterministic lim...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00532">time_limit.h:532</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_a1f591be5334541874ba049873235f0a9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a1f591be5334541874ba049873235f0a9">operations_research::sat::GenericLiteralWatcher::Propagate</a></div><div class="ttdeci">bool Propagate(Trail *trail) final</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01801">integer.cc:1801</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_a2f8078e3c74ab15964ea42801732313a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a2f8078e3c74ab15964ea42801732313a">operations_research::sat::GenericLiteralWatcher::AlwaysCallAtLevelZero</a></div><div class="ttdeci">void AlwaysCallAtLevelZero(int id)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01974">integer.cc:1974</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_a8963fd33e7bd70e749b2a37060ef1274"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8963fd33e7bd70e749b2a37060ef1274">operations_research::sat::GenericLiteralWatcher::RegisterReversibleInt</a></div><div class="ttdeci">void RegisterReversibleInt(int id, int *rev)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01983">integer.cc:1983</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_a8b8fcdc97976ca46ea04a03fd874d9b3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#a8b8fcdc97976ca46ea04a03fd874d9b3">operations_research::sat::GenericLiteralWatcher::RegisterReversibleClass</a></div><div class="ttdeci">void RegisterReversibleClass(int id, ReversibleInterface *rev)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01978">integer.cc:1978</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_ab0e5f5a9066ecab18c474d867d7ea8d1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#ab0e5f5a9066ecab18c474d867d7ea8d1">operations_research::sat::GenericLiteralWatcher::GenericLiteralWatcher</a></div><div class="ttdeci">GenericLiteralWatcher(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01743">integer.cc:1743</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_adc5598223a363c10d95c00395145bcc6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adc5598223a363c10d95c00395145bcc6">operations_research::sat::GenericLiteralWatcher::SetPropagatorPriority</a></div><div class="ttdeci">void SetPropagatorPriority(int id, int priority)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01962">integer.cc:1962</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_adeee4ac52bfe0f1b48ee8958bb88b4e3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#adeee4ac52bfe0f1b48ee8958bb88b4e3">operations_research::sat::GenericLiteralWatcher::Register</a></div><div class="ttdeci">int Register(PropagatorInterface *propagator)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01939">integer.cc:1939</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_aef66ce77e5b87afecf1c5696f44d4d1c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#aef66ce77e5b87afecf1c5696f44d4d1c">operations_research::sat::GenericLiteralWatcher::NotifyThatPropagatorMayNotReachFixedPointInOnePass</a></div><div class="ttdeci">void NotifyThatPropagatorMayNotReachFixedPointInOnePass(int id)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01969">integer.cc:1969</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html_af46d3e8559a1951914b218e3ef4f34c7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_generic_literal_watcher.html#af46d3e8559a1951914b218e3ef4f34c7">operations_research::sat::GenericLiteralWatcher::Untrail</a></div><div class="ttdeci">void Untrail(const Trail &trail, int literal_trail_index) final</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01915">integer.cc:1915</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html">operations_research::sat::IntegerEncoder</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00276">integer.h:276</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a074fe196a1aaff1dd5fd73e0b3bb1f0e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a074fe196a1aaff1dd5fd73e0b3bb1f0e">operations_research::sat::IntegerEncoder::GetOrCreateLiteralAssociatedToEquality</a></div><div class="ttdeci">Literal GetOrCreateLiteralAssociatedToEquality(IntegerVariable var, IntegerValue value)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00248">integer.cc:248</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a18be901ad3327dbba70128fcb601c960"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a18be901ad3327dbba70128fcb601c960">operations_research::sat::IntegerEncoder::SearchForLiteralAtOrBefore</a></div><div class="ttdeci">LiteralIndex SearchForLiteralAtOrBefore(IntegerLiteral i, IntegerValue *bound) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00460">integer.cc:460</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a1f45fc78bc701ed536087a92557a1fe7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1f45fc78bc701ed536087a92557a1fe7">operations_research::sat::IntegerEncoder::GetAssociatedLiteral</a></div><div class="ttdeci">LiteralIndex GetAssociatedLiteral(IntegerLiteral i_lit) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00452">integer.cc:452</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a1fc2c45d01fd348f668c2f7407015a20"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a1fc2c45d01fd348f668c2f7407015a20">operations_research::sat::IntegerEncoder::FullyEncodeVariable</a></div><div class="ttdeci">void FullyEncodeVariable(IntegerVariable var)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00036">integer.cc:36</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a299520ab923d28b4ee3051fe476d69fe"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a299520ab923d28b4ee3051fe476d69fe">operations_research::sat::IntegerEncoder::GetFalseLiteral</a></div><div class="ttdeci">Literal GetFalseLiteral()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00454">integer.h:454</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a4a1c84558c01bae528113b50c0611564"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a4a1c84558c01bae528113b50c0611564">operations_research::sat::IntegerEncoder::Canonicalize</a></div><div class="ttdeci">std::pair< IntegerLiteral, IntegerLiteral > Canonicalize(IntegerLiteral i_lit) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00184">integer.cc:184</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a514abe3126a2c805879836d2b24fa2a6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a514abe3126a2c805879836d2b24fa2a6">operations_research::sat::IntegerEncoder::ClearNewlyFixedIntegerLiterals</a></div><div class="ttdeci">void ClearNewlyFixedIntegerLiterals()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00412">integer.h:412</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a52b7cb1c1d49421f48b583e4aaa550d8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a52b7cb1c1d49421f48b583e4aaa550d8">operations_research::sat::IntegerEncoder::NewlyFixedIntegerLiterals</a></div><div class="ttdeci">const std::vector< IntegerLiteral > NewlyFixedIntegerLiterals() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00409">integer.h:409</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a5d4a4c93f937463d529aabb222804816"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a5d4a4c93f937463d529aabb222804816">operations_research::sat::IntegerEncoder::AssociateToIntegerEqualValue</a></div><div class="ttdeci">void AssociateToIntegerEqualValue(Literal literal, IntegerVariable var, IntegerValue value)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00308">integer.cc:308</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a6214f11086b9e522d69b127d1d1b8541"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a6214f11086b9e522d69b127d1d1b8541">operations_research::sat::IntegerEncoder::GetTrueLiteral</a></div><div class="ttdeci">Literal GetTrueLiteral()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00444">integer.h:444</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a82ec3cdecf098fb24fdb467d334d3da3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a82ec3cdecf098fb24fdb467d334d3da3">operations_research::sat::IntegerEncoder::GetIntegerLiterals</a></div><div class="ttdeci">const InlinedIntegerLiteralVector & GetIntegerLiterals(Literal lit) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00390">integer.h:390</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a8c19f2eec83fb50364c047f113e6dd5d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a8c19f2eec83fb50364c047f113e6dd5d">operations_research::sat::IntegerEncoder::LiteralIsAssociated</a></div><div class="ttdeci">bool LiteralIsAssociated(IntegerLiteral i_lit) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00446">integer.cc:446</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_aa0a8be7c97692d0b4fdb2f13ba303f36"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#aa0a8be7c97692d0b4fdb2f13ba303f36">operations_research::sat::IntegerEncoder::FullDomainEncoding</a></div><div class="ttdeci">std::vector< ValueLiteralPair > FullDomainEncoding(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00106">integer.cc:106</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_ab201ab39898b8838654873c79086af7d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#ab201ab39898b8838654873c79086af7d">operations_research::sat::IntegerEncoder::PartialDomainEncoding</a></div><div class="ttdeci">std::vector< ValueLiteralPair > PartialDomainEncoding(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00112">integer.cc:112</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_abed80d7a82e03859d7abc22f93d1af81"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#abed80d7a82e03859d7abc22f93d1af81">operations_research::sat::IntegerEncoder::AddAllImplicationsBetweenAssociatedLiterals</a></div><div class="ttdeci">void AddAllImplicationsBetweenAssociatedLiterals()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00168">integer.cc:168</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_ac9e262bbda19ec4b7d51bd77b70bb363"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#ac9e262bbda19ec4b7d51bd77b70bb363">operations_research::sat::IntegerEncoder::VariableIsFullyEncoded</a></div><div class="ttdeci">bool VariableIsFullyEncoded(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00068">integer.cc:68</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_aeb5e5f3cc640cb66579413a29528d223"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#aeb5e5f3cc640cb66579413a29528d223">operations_research::sat::IntegerEncoder::GetAssociatedEqualityLiteral</a></div><div class="ttdeci">LiteralIndex GetAssociatedEqualityLiteral(IntegerVariable var, IntegerValue value) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00238">integer.cc:238</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_af2f5ad9df8701dacbf53b9a6159d903d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#af2f5ad9df8701dacbf53b9a6159d903d">operations_research::sat::IntegerEncoder::AssociateToIntegerLiteral</a></div><div class="ttdeci">void AssociateToIntegerLiteral(Literal literal, IntegerLiteral i_lit)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00282">integer.cc:282</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_afcd4038298bec97a2f7a61274c6ef8c7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#afcd4038298bec97a2f7a61274c6ef8c7">operations_research::sat::IntegerEncoder::GetOrCreateAssociatedLiteral</a></div><div class="ttdeci">Literal GetOrCreateAssociatedLiteral(IntegerLiteral i_lit)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00202">integer.cc:202</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html">operations_research::sat::IntegerTrail</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00540">integer.h:540</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a05cc8990d6a349e0c5960019ee47b687"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a05cc8990d6a349e0c5960019ee47b687">operations_research::sat::IntegerTrail::FirstUnassignedVariable</a></div><div class="ttdeci">IntegerVariable FirstUnassignedVariable() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01190">integer.cc:1190</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a05e837bb93eeabbbd94e8f690dd59d32"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a05e837bb93eeabbbd94e8f690dd59d32">operations_research::sat::IntegerTrail::Enqueue</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool Enqueue(IntegerLiteral i_lit, absl::Span< const Literal > literal_reason, absl::Span< const IntegerLiteral > integer_reason)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00989">integer.cc:989</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a161bb1bb07b668c21249a7ffb6958fb1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a161bb1bb07b668c21249a7ffb6958fb1">operations_research::sat::IntegerTrail::GetOrCreateConstantIntegerVariable</a></div><div class="ttdeci">IntegerVariable GetOrCreateConstantIntegerVariable(IntegerValue value)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00695">integer.cc:695</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a1eb60e3eca768de339988b37c6f1fd0b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a1eb60e3eca768de339988b37c6f1fd0b">operations_research::sat::IntegerTrail::RegisterWatcher</a></div><div class="ttdeci">void RegisterWatcher(SparseBitset< IntegerVariable > *p)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00803">integer.h:803</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a1f591be5334541874ba049873235f0a9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a1f591be5334541874ba049873235f0a9">operations_research::sat::IntegerTrail::Propagate</a></div><div class="ttdeci">bool Propagate(Trail *trail) final</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00480">integer.cc:480</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a267d05a02fdcc9439a5a54bf9f0ccd3c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a267d05a02fdcc9439a5a54bf9f0ccd3c">operations_research::sat::IntegerTrail::ReserveSpaceForNumVariables</a></div><div class="ttdeci">void ReserveSpaceForNumVariables(int num_vars)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00592">integer.cc:592</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a2df75a6456eaa2a1c2cc3255e4a91f29"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a2df75a6456eaa2a1c2cc3255e4a91f29">operations_research::sat::IntegerTrail::FindTrailIndexOfVarBefore</a></div><div class="ttdeci">int FindTrailIndexOfVarBefore(IntegerVariable var, int threshold) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00716">integer.cc:716</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a309d057e12c8d4d393f13975eea2e2a9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">operations_research::sat::IntegerTrail::IsCurrentlyIgnored</a></div><div class="ttdeci">bool IsCurrentlyIgnored(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00625">integer.h:625</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a430eb799926e49f2339d7f52c01d038b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a430eb799926e49f2339d7f52c01d038b">operations_research::sat::IntegerTrail::ReasonFor</a></div><div class="ttdeci">std::vector< Literal > ReasonFor(IntegerLiteral literal) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01562">integer.cc:1562</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a49ff19c4851c879436507391ea8dd675"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a49ff19c4851c879436507391ea8dd675">operations_research::sat::IntegerTrail::LazyReasonFunction</a></div><div class="ttdeci">std::function< void(IntegerLiteral literal_to_explain, int trail_index_of_literal, std::vector< Literal > *literals, std::vector< int > *dependencies)> LazyReasonFunction</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00767">integer.h:769</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a523501d854b2ca8034d37c15e7c89117"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a523501d854b2ca8034d37c15e7c89117">operations_research::sat::IntegerTrail::IsFixed</a></div><div class="ttdeci">bool IsFixed(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01308">integer.h:1308</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a554451dc5db1b8d233556d0b217c8a68"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a554451dc5db1b8d233556d0b217c8a68">operations_research::sat::IntegerTrail::OptionalLiteralIndex</a></div><div class="ttdeci">LiteralIndex OptionalLiteralIndex(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00634">integer.h:634</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a5aa25e6e306c7158c11d2053170379a2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a5aa25e6e306c7158c11d2053170379a2">operations_research::sat::IntegerTrail::Reason</a></div><div class="ttdeci">absl::Span< const Literal > Reason(const Trail &trail, int trail_index) const final</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01708">integer.cc:1708</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a6554c3addb8705b1ba60140a175de110"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a6554c3addb8705b1ba60140a175de110">operations_research::sat::IntegerTrail::CurrentBranchHadAnIncompletePropagation</a></div><div class="ttdeci">bool CurrentBranchHadAnIncompletePropagation()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01186">integer.cc:1186</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a697964c4df6330b5d4720be3658ac35a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a697964c4df6330b5d4720be3658ac35a">operations_research::sat::IntegerTrail::InPropagationLoop</a></div><div class="ttdeci">bool InPropagationLoop() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01147">integer.cc:1147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a6d55b5b9adc499095dd57dd0c2b6c7df"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a6d55b5b9adc499095dd57dd0c2b6c7df">operations_research::sat::IntegerTrail::ReportConflict</a></div><div class="ttdeci">bool ReportConflict(absl::Span< const Literal > literal_reason, absl::Span< const IntegerLiteral > integer_reason)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00810">integer.h:810</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a79322fd8dff49ab2eab22c0570aba594"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a79322fd8dff49ab2eab22c0570aba594">operations_research::sat::IntegerTrail::EnqueueLiteral</a></div><div class="ttdeci">void EnqueueLiteral(Literal literal, absl::Span< const Literal > literal_reason, absl::Span< const IntegerLiteral > integer_reason)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01087">integer.cc:1087</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a8ae8e206270e3bb10251a6fadbdc06e7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a8ae8e206270e3bb10251a6fadbdc06e7">operations_research::sat::IntegerTrail::NextVariableToBranchOnInPropagationLoop</a></div><div class="ttdeci">IntegerVariable NextVariableToBranchOnInPropagationLoop() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01157">integer.cc:1157</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a8b6d5a25e6ad3d28a85b1924471e2cac"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">operations_research::sat::IntegerTrail::UpperBound</a></div><div class="ttdeci">IntegerValue UpperBound(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01304">integer.h:1304</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a8ef12397d1682615bc3108c397734179"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a8ef12397d1682615bc3108c397734179">operations_research::sat::IntegerTrail::Index</a></div><div class="ttdeci">int Index() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00837">integer.h:837</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a9974fec8135545ed78d68333b6ec7cec"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a9974fec8135545ed78d68333b6ec7cec">operations_research::sat::IntegerTrail::num_enqueues</a></div><div class="ttdeci">int64 num_enqueues() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00794">integer.h:794</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_aa527950bda17efaeae8589c561d1b453"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#aa527950bda17efaeae8589c561d1b453">operations_research::sat::IntegerTrail::AppendRelaxedLinearReason</a></div><div class="ttdeci">void AppendRelaxedLinearReason(IntegerValue slack, absl::Span< const IntegerValue > coeffs, absl::Span< const IntegerVariable > vars, std::vector< IntegerLiteral > *reason) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00807">integer.cc:807</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_aa68cc40c827bff2fb311040e2b848f9b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#aa68cc40c827bff2fb311040e2b848f9b">operations_research::sat::IntegerTrail::LevelZeroLowerBound</a></div><div class="ttdeci">IntegerValue LevelZeroLowerBound(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01350">integer.h:1350</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_aa981297d0a648cd5c3fef40e2edebf8a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#aa981297d0a648cd5c3fef40e2edebf8a">operations_research::sat::IntegerTrail::RelaxLinearReason</a></div><div class="ttdeci">void RelaxLinearReason(IntegerValue slack, absl::Span< const IntegerValue > coeffs, std::vector< IntegerLiteral > *reason) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00785">integer.cc:785</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_aab182be7f1a6eccbc2b14c21fce5e9dd"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#aab182be7f1a6eccbc2b14c21fce5e9dd">operations_research::sat::IntegerTrail::AppendNewBounds</a></div><div class="ttdeci">void AppendNewBounds(std::vector< IntegerLiteral > *output) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01728">integer.cc:1728</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ab857cd2aead68952d9fe92a8ad8d3ac9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">operations_research::sat::IntegerTrail::LowerBound</a></div><div class="ttdeci">IntegerValue LowerBound(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01300">integer.h:1300</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ac5b0e86a4e870b2198a8d866efa51463"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ac5b0e86a4e870b2198a8d866efa51463">operations_research::sat::IntegerTrail::NumConstantVariables</a></div><div class="ttdeci">int NumConstantVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00710">integer.cc:710</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ac72fc3390d9ea9586c9f6a7623301b78"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ac72fc3390d9ea9586c9f6a7623301b78">operations_research::sat::IntegerTrail::~IntegerTrail</a></div><div class="ttdeci">~IntegerTrail() final</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00473">integer.cc:473</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ac7f9c569e2ad83d246e4a17ea303a7ec"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ac7f9c569e2ad83d246e4a17ea303a7ec">operations_research::sat::IntegerTrail::MergeReasonInto</a></div><div class="ttdeci">void MergeReasonInto(absl::Span< const IntegerLiteral > literals, std::vector< Literal > *output) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01570">integer.cc:1570</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ac8db20a5dab063aa3ca64a4ae1202d4c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ac8db20a5dab063aa3ca64a4ae1202d4c">operations_research::sat::IntegerTrail::IsIgnoredLiteral</a></div><div class="ttdeci">Literal IsIgnoredLiteral(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00630">integer.h:630</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_acc1aaae243ed4381e84f8309aacb3bbc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#acc1aaae243ed4381e84f8309aacb3bbc">operations_research::sat::IntegerTrail::IsOptional</a></div><div class="ttdeci">bool IsOptional(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00622">integer.h:622</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ad2f3825d33cbc805d2f490d324bd363c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ad2f3825d33cbc805d2f490d324bd363c">operations_research::sat::IntegerTrail::ConditionalEnqueue</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool ConditionalEnqueue(Literal lit, IntegerLiteral i_lit, std::vector< Literal > *literal_reason, std::vector< IntegerLiteral > *integer_reason)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00996">integer.cc:996</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_adf3a30cc102861886504a5db480fdaad"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#adf3a30cc102861886504a5db480fdaad">operations_research::sat::IntegerTrail::IntegerLiteralIsFalse</a></div><div class="ttdeci">bool IntegerLiteralIsFalse(IntegerLiteral l) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01344">integer.h:1344</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_adfce09ac65fc660f8a4f019f4072c6a7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#adfce09ac65fc660f8a4f019f4072c6a7">operations_research::sat::IntegerTrail::RemoveLevelZeroBounds</a></div><div class="ttdeci">void RemoveLevelZeroBounds(std::vector< IntegerLiteral > *reason) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00919">integer.cc:919</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ae0185af3cf5bae9f1a3b7dc646a305dc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ae0185af3cf5bae9f1a3b7dc646a305dc">operations_research::sat::IntegerTrail::AddIntegerVariable</a></div><div class="ttdeci">IntegerVariable AddIntegerVariable()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00613">integer.h:613</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ae517412fa6f592ccb7c8e0f1569ba983"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ae517412fa6f592ccb7c8e0f1569ba983">operations_research::sat::IntegerTrail::RegisterReversibleClass</a></div><div class="ttdeci">void RegisterReversibleClass(ReversibleInterface *rev)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00833">integer.h:833</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_af4303d31360f06c50729f156b1fbc2a9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#af4303d31360f06c50729f156b1fbc2a9">operations_research::sat::IntegerTrail::InitialVariableDomain</a></div><div class="ttdeci">const Domain & InitialVariableDomain(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00644">integer.cc:644</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_af46d3e8559a1951914b218e3ef4f34c7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#af46d3e8559a1951914b218e3ef4f34c7">operations_research::sat::IntegerTrail::Untrail</a></div><div class="ttdeci">void Untrail(const Trail &trail, int literal_trail_index) final</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00543">integer.cc:543</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_af88a18429909498405c450015f0a223a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#af88a18429909498405c450015f0a223a">operations_research::sat::IntegerTrail::NumIntegerVariables</a></div><div class="ttdeci">IntegerVariable NumIntegerVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00565">integer.h:565</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_af931801f592e954a6623cab8cf9a4485"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485">operations_research::sat::IntegerTrail::UpdateInitialDomain</a></div><div class="ttdeci">bool UpdateInitialDomain(IntegerVariable var, Domain domain)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00648">integer.cc:648</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html">operations_research::sat::Literal</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00064">sat_base.h:64</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a4a11c7c4d7706c09de5e18707c3b5c62"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62">operations_research::sat::Literal::Index</a></div><div class="ttdeci">LiteralIndex Index() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00084">sat_base.h:84</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a886e9c024f7209181c0a850b6e90c644"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">operations_research::sat::Literal::Negated</a></div><div class="ttdeci">Literal Negated() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00091">sat_base.h:91</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html">operations_research::sat::Model</a></div><div class="ttdoc">Class that owns everything related to a particular optimization model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00038">sat/model.h:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_propagator_interface_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_propagator_interface.html">operations_research::sat::PropagatorInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01060">integer.h:1060</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_rev_int_repository_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_rev_int_repository.html">operations_research::sat::RevIntRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01091">integer.h:1091</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_propagator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_propagator.html">operations_research::sat::SatPropagator</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00445">sat_base.h:445</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_propagator_html_a06e2c6f3432a89d0160b831d48afd8b7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_propagator.html#a06e2c6f3432a89d0160b831d48afd8b7">operations_research::sat::SatPropagator::propagation_trail_index_</a></div><div class="ttdeci">int propagation_trail_index_</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00507">sat_base.h:507</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_propagator_html_a0af2aa6e387b8037179350b735fe127e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_propagator.html#a0af2aa6e387b8037179350b735fe127e">operations_research::sat::SatPropagator::propagator_id_</a></div><div class="ttdeci">int propagator_id_</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00506">sat_base.h:506</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00057">sat_solver.h:57</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a25eb4ef5875f4884226251b66eb61bc0"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a25eb4ef5875f4884226251b66eb61bc0">operations_research::sat::SatSolver::AddClauseDuringSearch</a></div><div class="ttdeci">bool AddClauseDuringSearch(absl::Span< const Literal > literals)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00134">sat_solver.cc:134</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a43684a0a8ef85b1cea0076dba3fb271d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a43684a0a8ef85b1cea0076dba3fb271d">operations_research::sat::SatSolver::NewBooleanVariable</a></div><div class="ttdeci">BooleanVariable NewBooleanVariable()</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00083">sat_solver.h:83</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a9789bf03dba611e9be5679d6e902d0c8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8">operations_research::sat::SatSolver::Assignment</a></div><div class="ttdeci">const VariablesAssignment & Assignment() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00362">sat_solver.h:362</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_aac912e9410b8989493f492fcbb2d9094"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#aac912e9410b8989493f492fcbb2d9094">operations_research::sat::SatSolver::AddBinaryClause</a></div><div class="ttdeci">bool AddBinaryClause(Literal a, Literal b)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00180">sat_solver.cc:180</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_ac035378cea0ed7b0978105547402faa8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#ac035378cea0ed7b0978105547402faa8">operations_research::sat::SatSolver::Backtrack</a></div><div class="ttdeci">void Backtrack(int target_level)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00888">sat_solver.cc:888</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_ad63c4461a1384629cb99413c6df8b9ca"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca">operations_research::sat::SatSolver::CurrentDecisionLevel</a></div><div class="ttdeci">int CurrentDecisionLevel() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00360">sat_solver.h:360</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_afb267fc6b043c4e4a15bf0bddd0aaf3f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#afb267fc6b043c4e4a15bf0bddd0aaf3f">operations_research::sat::SatSolver::Decisions</a></div><div class="ttdeci">const std::vector< Decision > & Decisions() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00359">sat_solver.h:359</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_afbbbc2f0845a82a5a5cfb3f00a61abe9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#afbbbc2f0845a82a5a5cfb3f00a61abe9">operations_research::sat::SatSolver::AddUnitClause</a></div><div class="ttdeci">bool AddUnitClause(Literal true_literal)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8cc_source.html#l00164">sat_solver.cc:164</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html">operations_research::sat::Trail</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00233">sat_base.h:233</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a12c36a7cb228d80bcad42fa38a103f92"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a12c36a7cb228d80bcad42fa38a103f92">operations_research::sat::Trail::Enqueue</a></div><div class="ttdeci">void Enqueue(Literal true_literal, int propagator_id)</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00250">sat_base.h:250</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a29be1a6b9ba823a6fffb927609d18599"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a29be1a6b9ba823a6fffb927609d18599">operations_research::sat::Trail::Info</a></div><div class="ttdeci">const AssignmentInfo & Info(BooleanVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00381">sat_base.h:381</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a70e532a108e1f03d6f9112c770ffbedb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a70e532a108e1f03d6f9112c770ffbedb">operations_research::sat::Trail::GetEmptyVectorToStoreReason</a></div><div class="ttdeci">std::vector< Literal > * GetEmptyVectorToStoreReason(int trail_index) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00320">sat_base.h:320</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a84f6b2c778ed597c90f98f0329a25713"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a84f6b2c778ed597c90f98f0329a25713">operations_research::sat::Trail::MutableConflict</a></div><div class="ttdeci">std::vector< Literal > * MutableConflict()</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00361">sat_base.h:361</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a8ef12397d1682615bc3108c397734179"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179">operations_research::sat::Trail::Index</a></div><div class="ttdeci">int Index() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00378">sat_base.h:378</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a9789bf03dba611e9be5679d6e902d0c8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8">operations_research::sat::Trail::Assignment</a></div><div class="ttdeci">const VariablesAssignment & Assignment() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00380">sat_base.h:380</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_a9d3beb2afe4ae647674b054bf29290e2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#a9d3beb2afe4ae647674b054bf29290e2">operations_research::sat::Trail::NumVariables</a></div><div class="ttdeci">int NumVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00376">sat_base.h:376</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_ad63c4461a1384629cb99413c6df8b9ca"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#ad63c4461a1384629cb99413c6df8b9ca">operations_research::sat::Trail::CurrentDecisionLevel</a></div><div class="ttdeci">int CurrentDecisionLevel() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00355">sat_base.h:355</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html_afb89e56bea39296ff292b51a84491875"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html#afb89e56bea39296ff292b51a84491875">operations_research::sat::Trail::EnqueueWithUnitReason</a></div><div class="ttdeci">void EnqueueWithUnitReason(Literal true_literal)</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00265">sat_base.h:265</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html">operations_research::sat::VariablesAssignment</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00122">sat_base.h:122</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_a142694366986039454f53b38e8378815"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815">operations_research::sat::VariablesAssignment::LiteralIsAssigned</a></div><div class="ttdeci">bool LiteralIsAssigned(Literal literal) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00153">sat_base.h:153</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_a5300129913f51dcb0b1c531e3248490e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">operations_research::sat::VariablesAssignment::LiteralIsTrue</a></div><div class="ttdeci">bool LiteralIsTrue(Literal literal) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00150">sat_base.h:150</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_acfd1646011e643f58fd7dc66d9cc90a5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">operations_research::sat::VariablesAssignment::LiteralIsFalse</a></div><div class="ttdeci">bool LiteralIsFalse(Literal literal) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00147">sat_base.h:147</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a344010e26426d6a13411648d988bc9b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a></div><div class="ttdeci">int64 b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00043">constraint_solver/table.cc:43</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_af730895c6c6ef6e03caaf6251192dfd2"><div class="ttname"><a href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a></div><div class="ttdeci">int64 a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00042">constraint_solver/table.cc:42</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01858">expr_array.cc:1858</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00272">gurobi_interface.cc:272</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a6627a3800ac768bb5528ef54c9cace36"><div class="ttname"><a href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a></div><div class="ttdeci">MPCallback * callback</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00513">gurobi_interface.cc:513</a></div></div>
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<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719"><div class="ttname"><a href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a></div><div class="ttdeci">static const int64 kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00062">integral_types.h:62</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="aintegral__types_8h_html_ab0cfc59ab5792086f6f8b9234320fd33"><div class="ttname"><a href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a></div><div class="ttdeci">static const int32 kint32max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00059">integral_types.h:59</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_af458164b470cbba416d5ed579e00ff60"><div class="ttname"><a href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a></div><div class="ttdeci">static const int64 kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00060">integral_types.h:60</a></div></div>
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<div class="ttc" id="aiterator__adaptors_8h_html"><div class="ttname"><a href="iterator__adaptors_8h.html">iterator_adaptors.h</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="amacros_8h_html_a7f536a3b33f9bed8f75734e035d30725"><div class="ttname"><a href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a></div><div class="ttdeci">const bool DEBUG_MODE</div><div class="ttdef"><b>Definition:</b> <a href="macros_8h_source.html#l00024">macros.h:24</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a5c0d4dea208db4deaa285c06b78d8181"><div class="ttname"><a href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a></div><div class="ttdeci">void InsertOrDie(Collection *const collection, const typename Collection::value_type &value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00135">map_util.h:135</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_abec9e934a51aa2ab519684cc0f446a41"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#abec9e934a51aa2ab519684cc0f446a41">operations_research::glop::Index</a></div><div class="ttdeci">int32 Index</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00037">lp_types.h:37</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a003e7b51f96dbc816348288532b04b21"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a003e7b51f96dbc816348288532b04b21">operations_research::sat::InlinedIntegerLiteralVector</a></div><div class="ttdeci">absl::InlinedVector< IntegerLiteral, 2 > InlinedIntegerLiteralVector</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00198">integer.h:198</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1227e67513602591fb959e35c9de66e8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">operations_research::sat::kMaxIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMaxIntegerValue(std::numeric_limits< IntegerValue::ValueType >::max() - 1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1655a9b9673e7c4de940ca6e5e3cf936"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1655a9b9673e7c4de940ca6e5e3cf936">operations_research::sat::ClauseConstraint</a></div><div class="ttdeci">std::function< void(Model *)> ClauseConstraint(absl::Span< const Literal > literals)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00904">sat_solver.h:904</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a2dbcb7017d468a17bdb30252af5c6c31"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">operations_research::sat::kNoLiteralIndex</a></div><div class="ttdeci">const LiteralIndex kNoLiteralIndex(-1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a355a62f25cfadeccfb164ab9fb867c81"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">operations_research::sat::kMinIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMinIntegerValue(-kMaxIntegerValue)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5bd8c44473618b7eafd33ba978db2f06"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">operations_research::sat::kNoIntegerVariable</a></div><div class="ttdeci">const IntegerVariable kNoIntegerVariable(-1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7f1ac774d4646a83631f8117f4ea03f5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">operations_research::sat::PositiveVariable</a></div><div class="ttdeci">IntegerVariable PositiveVariable(IntegerVariable i)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00134">integer.h:134</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aae43e784db06c0974ce59ebbe8dd2b22"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">operations_research::sat::NegationOf</a></div><div class="ttdeci">std::vector< IntegerVariable > NegationOf(const std::vector< IntegerVariable > &vars)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00027">integer.cc:27</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab052eee1f91ef47d1e5a162c2dfdd355"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355">operations_research::sat::ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack</a></div><div class="ttdeci">std::function< void(Model *)> ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l01989">integer.cc:1989</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acf09b937c4d7439804c0fc61afcb7008"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acf09b937c4d7439804c0fc61afcb7008">operations_research::sat::GetPositiveOnlyIndex</a></div><div class="ttdeci">PositiveOnlyIndex GetPositiveOnlyIndex(IntegerVariable var)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00140">integer.h:140</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae2544d2a3a5ef4c78f8e5891f104ab41"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae2544d2a3a5ef4c78f8e5891f104ab41">operations_research::sat::VariableIsPositive</a></div><div class="ttdeci">bool VariableIsPositive(IntegerVariable i)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00130">integer.h:130</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="anamespaceoperations__research_html_ab216763dccd16f5060d2fbcfb08173fb"><div class="ttname"><a href="namespaceoperations__research.html#ab216763dccd16f5060d2fbcfb08173fb">operations_research::CapProd</a></div><div class="ttdeci">int64 CapProd(int64 x, int64 y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00231">saturated_arithmetic.h:231</a></div></div>
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<div class="ttc" id="aoptimization_8cc_html_af63dcc00f2023fdf498e0829e6fb8a6b"><div class="ttname"><a href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a></div><div class="ttdeci">Literal literal</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l00084">optimization.cc:84</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00508">pack.cc:508</a></div></div>
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<div class="ttc" id="apreprocessor_8cc_html_abcdbe46fb8451a69d42c17abdb920021"><div class="ttname"><a href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a></div><div class="ttdeci">ColIndex representative</div><div class="ttdef"><b>Definition:</b> <a href="preprocessor_8cc_source.html#l00430">preprocessor.cc:430</a></div></div>
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<div class="ttc" id="aresource_8cc_html_af92a8383a05fdf586a52263d358f5ada"><div class="ttname"><a href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a></div><div class="ttdeci">IntervalVar * interval</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l00098">resource.cc:98</a></div></div>
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<div class="ttc" id="arouting__search_8cc_html_a204f9b990226e8288e1aaecbb496cbf8"><div class="ttname"><a href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a></div><div class="ttdeci">int64 bound</div><div class="ttdef"><b>Definition:</b> <a href="routing__search_8cc_source.html#l00972">routing_search.cc:972</a></div></div>
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<div class="ttc" id="astl__util_8h_html"><div class="ttname"><a href="stl__util_8h.html">stl_util.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_closed_interval_html"><div class="ttname"><a href="structoperations__research_1_1_closed_interval.html">operations_research::ClosedInterval</a></div><div class="ttdoc">Represents a closed interval [start, end].</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8h_source.html#l00033">sorted_interval_list.h:33</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_assignment_info_html_afefd28242df91e46e762af1f7eaf623f"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_assignment_info.html#afefd28242df91e46e762af1f7eaf623f">operations_research::sat::AssignmentInfo::level</a></div><div class="ttdeci">uint32 level</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00199">sat_base.h:199</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html">operations_research::sat::IntegerEncoder::ValueLiteralPair</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00316">integer.h:316</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair_html_af63dcc00f2023fdf498e0829e6fb8a6b"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_encoder_1_1_value_literal_pair.html#af63dcc00f2023fdf498e0829e6fb8a6b">operations_research::sat::IntegerEncoder::ValueLiteralPair::literal</a></div><div class="ttdeci">Literal literal</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00325">integer.h:325</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html">operations_research::sat::IntegerLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00153">integer.h:153</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a3e2eb445631727dd4abf1d5343f16b2f"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">operations_research::sat::IntegerLiteral::LowerOrEqual</a></div><div class="ttdeci">static IntegerLiteral LowerOrEqual(IntegerVariable i, IntegerValue bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01270">integer.h:1270</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a6c233aafac25ea66d69de93a83c9be63"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">operations_research::sat::IntegerLiteral::GreaterOrEqual</a></div><div class="ttdeci">static IntegerLiteral GreaterOrEqual(IntegerVariable i, IntegerValue bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01264">integer.h:1264</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a764be64f3029f8b8e23511061d8de355"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a764be64f3029f8b8e23511061d8de355">operations_research::sat::IntegerLiteral::DebugString</a></div><div class="ttdeci">std::string DebugString() const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00182">integer.h:182</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_aa130e84323404df15a838f6d07e9c775"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#aa130e84323404df15a838f6d07e9c775">operations_research::sat::IntegerLiteral::bound</a></div><div class="ttdeci">IntegerValue bound</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00190">integer.h:190</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_ab6516f556b715738034b30d290c40214"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214">operations_research::sat::IntegerLiteral::var</a></div><div class="ttdeci">IntegerVariable var</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00189">integer.h:189</a></div></div>
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<div class="ttc" id="atime__limit_8h_html"><div class="ttname"><a href="time__limit_8h.html">time_limit.h</a></div></div>
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