1464 lines
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1464 lines
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<a href="constraint__solver_2table_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">//</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment">// This file implements the table constraints.</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/strings/str_join.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="constraint__solver_8h.html">ortools/constraint_solver/constraint_solver.h</a>"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="constraint__solveri_8h.html">ortools/constraint_solver/constraint_solveri.h</a>"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="bitset_8h.html">ortools/util/bitset.h</a>"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="string__array_8h.html">ortools/util/string_array.h</a>"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="tuple__set_8h.html">ortools/util/tuple_set.h</a>"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment">// ----- Presolve helpers -----</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="comment">// TODO(user): Move this out of this file.</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="keyword">struct </span>AffineTransformation { <span class="comment">// y == a*x + b.</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> AffineTransformation() : <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>(1), <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>(0) {}</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> AffineTransformation(int64_t aa, int64_t bb) : <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>(aa), <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>(bb) {</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, 0);</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> }</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6"> 46</a></span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683"> 47</a></span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>;</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="namespaceutil.html#a208121f27c615b309e2ab37bb85280f1">Reverse</a>(int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, int64_t* <span class="keyword">const</span> reverse)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">const</span> int64_t temp = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>;</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (temp % <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> == 0) {</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> *reverse = temp / <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>;</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(Forward(*reverse), <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> }</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> int64_t Forward(int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> * <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> + <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>; }</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> int64_t UnsafeReverse(int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>) / <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>; }</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">void</span> Clear() {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> = 1;</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> = 0;</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> }</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> std::string DebugString()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"(%d * x + %d)"</span>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>);</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>};</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="comment">// TODO(user): Move this out too.</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="keyword">class </span>VarLinearizer : <span class="keyword">public</span> ModelParser {</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> VarLinearizer() : <a class="code hl_variable" href="sched__constraints_8cc.html#a527571de51e3f4b1fc9945f3a374faad">target_var_</a>(nullptr), transformation_(nullptr) {}</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> ~VarLinearizer()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">void</span> VisitIntegerVariable(<span class="keyword">const</span> IntVar* <span class="keyword">const</span> variable,</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">const</span> std::string& operation, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>,</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> IntVar* <span class="keyword">const</span> delegate)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (operation == <a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa9467b78ab6f4dcdff8101e452224034">ModelVisitor::kSumOperation</a>) {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> AddConstant(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> delegate->Accept(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (operation == <a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa8d099e997964231052692ee19e80d6c">ModelVisitor::kDifferenceOperation</a>) {</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> AddConstant(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> PushMultiplier(-1);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> delegate->Accept(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> PopMultiplier();</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (operation == <a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a6319006b7a88ede6de0a7e7f54db4f46">ModelVisitor::kProductOperation</a>) {</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> PushMultiplier(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> delegate->Accept(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> PopMultiplier();</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (operation == <a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a7ca935997c56b391df120e44c7dd7961">ModelVisitor::kTraceOperation</a>) {</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> *<a class="code hl_variable" href="sched__constraints_8cc.html#a527571de51e3f4b1fc9945f3a374faad">target_var_</a> = <span class="keyword">const_cast<</span>IntVar*<span class="keyword">></span>(variable);</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> transformation_->a = multipliers_.back();</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> }</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordtype">void</span> VisitIntegerVariable(<span class="keyword">const</span> IntVar* <span class="keyword">const</span> variable,</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> IntExpr* <span class="keyword">const</span> delegate)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> *<a class="code hl_variable" href="sched__constraints_8cc.html#a527571de51e3f4b1fc9945f3a374faad">target_var_</a> = <span class="keyword">const_cast<</span>IntVar*<span class="keyword">></span>(variable);</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> transformation_->a = multipliers_.back();</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordtype">void</span> Visit(<span class="keyword">const</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntVar** <span class="keyword">const</span> target_var,</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> AffineTransformation* <span class="keyword">const</span> transformation) {</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <a class="code hl_variable" href="sched__constraints_8cc.html#a527571de51e3f4b1fc9945f3a374faad">target_var_</a> = target_var;</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> transformation_ = transformation;</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> transformation->Clear();</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> PushMultiplier(1);</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Accept(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> PopMultiplier();</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(multipliers_.empty());</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> }</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"VarLinearizer"</span>; }</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordtype">void</span> AddConstant(int64_t <a class="code hl_variable" href="variable__and__expressions_8cc.html#a98c17ae8d99a73259ea78de8c4b66254">constant</a>) {</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> transformation_->b += <a class="code hl_variable" href="variable__and__expressions_8cc.html#a98c17ae8d99a73259ea78de8c4b66254">constant</a> * multipliers_.back();</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> }</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordtype">void</span> PushMultiplier(int64_t multiplier) {</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (multipliers_.empty()) {</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> multipliers_.push_back(multiplier);</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> multipliers_.push_back(multiplier * multipliers_.back());</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> }</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordtype">void</span> PopMultiplier() { multipliers_.pop_back(); }</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> std::vector<int64_t> multipliers_;</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> IntVar** <a class="code hl_variable" href="sched__constraints_8cc.html#a527571de51e3f4b1fc9945f3a374faad">target_var_</a>;</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> AffineTransformation* transformation_;</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>};</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kBitsInUint64 = 64;</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="comment">// ----- Positive Table Constraint -----</span></div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="comment">// Structure of the constraint:</span></div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="comment">// Tuples are indexed, we maintain a bitset for active tuples.</span></div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="comment">// For each var and each value, we maintain a bitset mask of tuples</span></div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="comment">// containing this value for this variable.</span></div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="comment">// Propagation: When a value is removed, blank all active tuples using the</span></div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="comment">// var-value mask.</span></div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="comment">// Then we scan all other variable/values to see if there is an active</span></div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="comment">// tuple that supports it.</span></div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="keyword">class </span>BasePositiveTableConstraint : <span class="keyword">public</span> Constraint {</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> BasePositiveTableConstraint(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">const</span> IntTupleSet& tuples)</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> : Constraint(s),</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>(tuples.NumTuples()),</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>(vars.size()),</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df">holes_</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> tuples_(tuples),</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> transformations_(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>) {</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="comment">// This constraint is intensive on domain and holes iterations on</span></div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// variables. Thus we can visit all variables to get to the</span></div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// boolean or domain int var beneath it. Then we can reverse</span></div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// process the tupleset to move in parallel to the simplifications</span></div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// of the variables. This way, we can keep the memory efficient</span></div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="comment">// nature of shared tuplesets (especially important for</span></div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// transitions constraints which are a chain of table</span></div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// constraints). The cost in running time is small as the tuples</span></div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// are read only once to construct the bitset data structures.</span></div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> VarLinearizer linearizer;</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> linearizer.Visit(vars[i], &<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i], &transformations_[i]);</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> }</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="comment">// Create hole iterators</span></div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df">holes_</a>[i] = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->MakeHoleIterator(<span class="keyword">true</span>);</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[i] = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->MakeDomainIterator(<span class="keyword">true</span>);</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> }</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> }</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> ~BasePositiveTableConstraint()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"AllowedAssignments(arity = %d, tuple_count = %d)"</span>,</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>);</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> }</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> visitor->BeginVisitConstraint(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa32c8eca7abdafccc3b770bda9847af9">ModelVisitor::kAllowedAssignments</a>, <span class="keyword">this</span>);</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> visitor->VisitIntegerVariableArrayArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa9175e7f7c9d2598d26293435ecd89ce">ModelVisitor::kVarsArgument</a>,</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>);</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> visitor->VisitIntegerMatrixArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a9c6fd6988c30e89f6678e4a687a66585">ModelVisitor::kTuplesArgument</a>, tuples_);</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> visitor->EndVisitConstraint(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa32c8eca7abdafccc3b770bda9847af9">ModelVisitor::kAllowedAssignments</a>, <span class="keyword">this</span>);</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> }</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordtype">bool</span> TupleValue(<span class="keywordtype">int</span> tuple_index, <span class="keywordtype">int</span> var_index, int64_t* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> transformations_[var_index].Reverse(</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> tuples_.Value(tuple_index, var_index), <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> }</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> int64_t UnsafeTupleValue(<span class="keywordtype">int</span> tuple_index, <span class="keywordtype">int</span> var_index)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> transformations_[var_index].UnsafeReverse(</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> tuples_.Value(tuple_index, var_index));</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> }</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordtype">bool</span> IsTupleSupported(<span class="keywordtype">int</span> tuple_index) {</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = 0;</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">if</span> (!TupleValue(tuple_index, var_index, &<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) ||</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> !<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index]->Contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> }</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c"> 225</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>;</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3"> 226</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>;</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61"> 227</a></span> std::vector<IntVar*> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>;</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df"> 228</a></span> std::vector<IntVarIterator*> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df">holes_</a>;</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd"> 229</a></span> std::vector<IntVarIterator*> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>;</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39"> 230</a></span> std::vector<int64_t> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>;</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="comment">// All allowed tuples.</span></div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">const</span> IntTupleSet tuples_;</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// The set of affine transformations that describe the</span></div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// simplification of the variables.</span></div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> std::vector<AffineTransformation> transformations_;</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>};</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><span class="keyword">class </span>PositiveTableConstraint : <span class="keyword">public</span> BasePositiveTableConstraint {</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keyword">typedef</span> absl::flat_hash_map<int, std::vector<uint64_t>> ValueBitset;</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> PositiveTableConstraint(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keyword">const</span> IntTupleSet& tuples)</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> : BasePositiveTableConstraint(s, vars, tuples),</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>(<a class="code hl_function" href="namespaceoperations__research.html#ade9a654d04b140bd2c2fbfb502c3999c">BitLength64</a>(tuples.NumTuples())),</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>(tuples.NumTuples()) {}</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> ~PositiveTableConstraint()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> </div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordtype">void</span> Post()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> Demon* d = <a class="code hl_function" href="namespaceoperations__research.html#a6a001b36b291a4afe7dffdbb9194bc45">MakeDelayedConstraintDemon0</a>(</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> solver(), <span class="keyword">this</span>, &PositiveTableConstraint::Propagate, <span class="stringliteral">"Propagate"</span>);</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->WhenDomain(d);</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> Demon* u = <a class="code hl_function" href="namespaceoperations__research.html#ae0190f4a9c848c207d0bff97f625fcd1">MakeConstraintDemon1</a>(</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> solver(), <span class="keyword">this</span>, &PositiveTableConstraint::Update, <span class="stringliteral">"Update"</span>, i);</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->WhenDomain(u);</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> }</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="comment">// Initialize masks.</span></div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>.clear();</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>.resize(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>);</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>; ++i) {</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> InitializeMask(i);</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> }</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="comment">// Initialize the active tuple bitset.</span></div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> std::vector<uint64_t> actives(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>, 0);</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tuple_index = 0; tuple_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>; ++tuple_index) {</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">if</span> (IsTupleSupported(tuple_index)) {</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <a class="code hl_function" href="namespaceoperations__research.html#aeb19de8c81811a72d9f39aeec6dd60ef">SetBit64</a>(actives.data(), tuple_index);</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> }</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Init(solver(), actives);</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> }</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keywordtype">void</span> InitialPropagate()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// Build active_ structure.</span></div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& it : <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index]) {</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index]->Contains(it.first)) {</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.RevSubtract(solver(), it.second);</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> }</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> }</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> }</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Empty()) {</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> solver()->Fail();</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> }</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="comment">// Remove unreached values.</span></div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keyword">const</span> ValueBitset& mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index];</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.clear();</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keywordflow">if</span> (!mask.contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> }</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> }</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.empty()) {</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->RemoveValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>);</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> }</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> }</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> }</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> </div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordtype">void</span> Propagate() {</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.clear();</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="keywordflow">if</span> (!Supported(var_index, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> }</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> }</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.empty()) {</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->RemoveValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>);</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> }</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> }</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> }</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> </div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keyword">const</span> ValueBitset& var_masks = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keyword">const</span> int64_t old_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->OldMax();</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">const</span> int64_t vmin = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min();</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">const</span> int64_t vmax = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max();</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->OldMin(); <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> < vmin; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keyword">const</span> <span class="keyword">auto</span>& it = var_masks.find(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordflow">if</span> (it != var_masks.end()) {</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> BlankActives(it->second);</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> }</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> }</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df">holes_</a>[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>])) {</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keyword">const</span> <span class="keyword">auto</span>& it = var_masks.find(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">if</span> (it != var_masks.end()) {</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> BlankActives(it->second);</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> }</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = vmax + 1; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> <= old_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keyword">const</span> <span class="keyword">auto</span>& it = var_masks.find(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keywordflow">if</span> (it != var_masks.end()) {</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> BlankActives(it->second);</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> }</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> }</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> }</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> </div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keywordtype">void</span> BlankActives(<span class="keyword">const</span> std::vector<uint64_t>& mask) {</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keywordflow">if</span> (!mask.empty()) {</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.RevSubtract(solver(), mask);</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Empty()) {</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> solver()->Fail();</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> }</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> }</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> }</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> </div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordtype">bool</span> Supported(<span class="keywordtype">int</span> var_index, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <a class="code hl_define" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(var_index, 0);</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(var_index, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>);</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index].contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keyword">const</span> std::vector<uint64_t>& mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>];</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keywordtype">int</span> tmp = 0;</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Intersects(mask, &tmp);</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> }</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> </div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"PositiveTableConstraint([%s], %d tuples)"</span>,</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <a class="code hl_function" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>, <span class="stringliteral">", "</span>), <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>);</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> }</div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> </div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordtype">void</span> InitializeMask(<span class="keywordtype">int</span> tuple_index) {</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> std::vector<int64_t> cache(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>);</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keywordflow">if</span> (!TupleValue(tuple_index, var_index, &cache[var_index])) {</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> }</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> }</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = cache[var_index];</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> std::vector<uint64_t>& mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>];</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">if</span> (mask.empty()) {</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> mask.assign(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>, 0);</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> }</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <a class="code hl_function" href="namespaceoperations__research.html#aeb19de8c81811a72d9f39aeec6dd60ef">SetBit64</a>(mask.data(), tuple_index);</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> }</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> }</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459"> 387</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>;</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4"> 388</a></span> UnsortedNullableRevBitset <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>;</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d"> 389</a></span> std::vector<ValueBitset> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>;</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66"> 390</a></span> std::vector<uint64_t> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>;</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span>};</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span><span class="comment">// ----- Compact Tables -----</span></div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span><span class="keyword">class </span>CompactPositiveTableConstraint : <span class="keyword">public</span> BasePositiveTableConstraint {</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> CompactPositiveTableConstraint(Solver* <span class="keyword">const</span> s,</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keyword">const</span> IntTupleSet& tuples)</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> : BasePositiveTableConstraint(s, vars, tuples),</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>(<a class="code hl_function" href="namespaceoperations__research.html#ade9a654d04b140bd2c2fbfb502c3999c">BitLength64</a>(tuples.NumTuples())),</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>(tuples.NumTuples()),</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> mask_starts_(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> mask_ends_(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> original_min_(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>, 0),</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>, 0),</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <a class="code hl_variable" href="graph__constraints_8cc.html#adee0f668fb19c3cd4247a4fc74bca2d6">supports_</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> demon_(<span class="keyword">nullptr</span>),</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> touched_var_(-1),</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> var_sizes_(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>, 0) {}</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> </div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> ~CompactPositiveTableConstraint()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> </div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keywordtype">void</span> Post()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> demon_ = solver()->RegisterDemon(<a class="code hl_function" href="namespaceoperations__research.html#a6a001b36b291a4afe7dffdbb9194bc45">MakeDelayedConstraintDemon0</a>(</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> solver(), <span class="keyword">this</span>, &CompactPositiveTableConstraint::Propagate,</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="stringliteral">"Propagate"</span>));</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> Demon* <span class="keyword">const</span> u = <a class="code hl_function" href="namespaceoperations__research.html#ae0190f4a9c848c207d0bff97f625fcd1">MakeConstraintDemon1</a>(</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> solver(), <span class="keyword">this</span>, &CompactPositiveTableConstraint::Update, <span class="stringliteral">"Update"</span>, i);</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->WhenDomain(u);</div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> }</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> var_sizes_.SetValue(solver(), i, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Size());</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> }</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> }</div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> </div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordtype">void</span> InitialPropagate()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> BuildMasks();</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> FillMasksAndActiveTuples();</div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> ComputeMasksBoundaries();</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> BuildSupports();</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> RemoveUnsupportedValues();</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> }</div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> </div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="comment">// ----- Propagation -----</span></div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> </div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordtype">void</span> Propagate() {</div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="comment">// Reset touch_var_ if in mode (more than 1 variable was modified).</span></div>
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keywordflow">if</span> (touched_var_ == -2) {</div>
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<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> touched_var_ = -1;</div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> }</div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="comment">// This methods scans all values of all variables to see if they</span></div>
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<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="comment">// are still supported.</span></div>
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<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="comment">// This method is not attached to any particular variable, but is pushed</span></div>
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<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="comment">// at a delayed priority after Update(var_index) is called.</span></div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="comment">// This demons runs in low priority. Thus we know all the</span></div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="comment">// variables that have changed since the last time it was run.</span></div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="comment">// In that case, if only one var was touched, as propagation is</span></div>
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|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="comment">// exact, we do not need to recheck that variable.</span></div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="keywordflow">if</span> (var_index == touched_var_) {</div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> touched_var_ = -1; <span class="comment">// Clean now, it is a 1 time flag.</span></div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> }</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keyword">const</span> int64_t original_min = original_min_[var_index];</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="keyword">const</span> int64_t var_size = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size();</div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> <span class="comment">// The domain iterator is very slow, let's try to see if we can</span></div>
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<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="comment">// work our way around.</span></div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="keywordflow">switch</span> (var_size) {</div>
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">case</span> 1: {</div>
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<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="keywordflow">if</span> (!Supported(var_index, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min() - original_min)) {</div>
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<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> solver()->Fail();</div>
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<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> }</div>
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<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> }</div>
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<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="keywordflow">case</span> 2: {</div>
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<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min();</div>
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<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max();</div>
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<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> min_support = Supported(var_index, var_min - original_min);</div>
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<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> max_support = Supported(var_index, var_max - original_min);</div>
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<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keywordflow">if</span> (!min_support) {</div>
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<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <span class="keywordflow">if</span> (!max_support) {</div>
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<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> solver()->Fail();</div>
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<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetValue(var_max);</div>
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<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> var_sizes_.SetValue(solver(), var_index, 1);</div>
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<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> }</div>
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<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!max_support) {</div>
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<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetValue(var_min);</div>
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<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> var_sizes_.SetValue(solver(), var_index, 1);</div>
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<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> }</div>
|
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<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">break</span>;</div>
|
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<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> }</div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keywordflow">default</span>: {</div>
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<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.clear();</div>
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<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min();</div>
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<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max();</div>
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<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> int64_t new_min = var_min;</div>
|
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<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> int64_t new_max = var_max;</div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="comment">// If the domain of a variable is an interval, it is much</span></div>
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|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="comment">// faster to iterate on that interval instead of using the</span></div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="comment">// iterator.</span></div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keywordflow">if</span> (var_max - var_min + 1 == var_size) {</div>
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<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="keywordflow">for</span> (; new_min <= var_max; ++new_min) {</div>
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<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="keywordflow">if</span> (Supported(var_index, new_min - original_min)) {</div>
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<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> }</div>
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<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> }</div>
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<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="keywordflow">for</span> (; new_max >= new_min; --new_max) {</div>
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|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keywordflow">if</span> (Supported(var_index, new_max - original_min)) {</div>
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|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> }</div>
|
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<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> }</div>
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<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetRange(new_min, new_max);</div>
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|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = new_min + 1; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> < new_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="keywordflow">if</span> (!Supported(var_index, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min)) {</div>
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|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> }</div>
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|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> }</div>
|
|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> } <span class="keywordflow">else</span> { <span class="comment">// Domain is sparse.</span></div>
|
|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="comment">// Let's not collect all values below the first supported</span></div>
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|
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="comment">// value as this can easily and more rapidly be taken care</span></div>
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<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="comment">// of by a SetRange() call.</span></div>
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<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> new_min = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>(); <span class="comment">// escape value.</span></div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> :</div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="keywordflow">if</span> (!Supported(var_index, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min)) {</div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keywordflow">if</span> (new_min == <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()) {</div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> new_min = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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|
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="comment">// This will be covered by the SetRange.</span></div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.clear();</div>
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|
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> }</div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> new_max = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> }</div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> }</div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetRange(new_min, new_max);</div>
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|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <span class="comment">// Trim the to_remove vector.</span></div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.size() - 1;</div>
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|
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> >= 0 && <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] > new_max) {</div>
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<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>--;</div>
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|
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> }</div>
|
|
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.resize(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> + 1);</div>
|
|
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> }</div>
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|
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->RemoveValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>);</div>
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|
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> var_sizes_.SetValue(solver(), var_index, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size());</div>
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|
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> }</div>
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<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> }</div>
|
|
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> }</div>
|
|
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> }</div>
|
|
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> </div>
|
|
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">int</span> var_index) {</div>
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|
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index]->Size() == var_sizes_.Value(var_index)) {</div>
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|
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> }</div>
|
|
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="comment">// This method will update the set of active tuples by masking out all</span></div>
|
|
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="comment">// tuples attached to values of the variables that have been removed.</span></div>
|
|
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> </div>
|
|
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// We first collect the complete set of tuples to blank out in temp_mask_.</span></div>
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|
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
|
|
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keywordtype">bool</span> changed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keyword">const</span> int64_t omin = original_min_[var_index];</div>
|
|
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="keyword">const</span> int64_t var_size = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size();</div>
|
|
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min();</div>
|
|
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max();</div>
|
|
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> </div>
|
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="keywordflow">switch</span> (var_size) {</div>
|
|
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keywordflow">case</span> 1: {</div>
|
|
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> changed = AndMaskWithActive(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][var_min - omin]);</div>
|
|
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> }</div>
|
|
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keywordflow">case</span> 2: {</div>
|
|
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> SetTempMask(var_index, var_min - omin);</div>
|
|
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> OrTempMask(var_index, var_max - omin);</div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> changed = AndMaskWithActive(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>);</div>
|
|
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="keywordflow">break</span>;</div>
|
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> }</div>
|
|
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keyword">const</span> int64_t estimated_hole_size =</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> var_sizes_.Value(var_index) - var_size;</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="keyword">const</span> int64_t old_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->OldMin();</div>
|
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="keyword">const</span> int64_t old_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->OldMax();</div>
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|
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="comment">// Rough estimation of the number of operation if we scan</span></div>
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<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="comment">// deltas in the domain of the variable.</span></div>
|
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<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="keyword">const</span> int64_t number_of_operations =</div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> estimated_hole_size + var_min - old_min + old_max - var_max;</div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keywordflow">if</span> (number_of_operations < var_size) {</div>
|
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="comment">// Let's scan the removed values since last run.</span></div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = old_min; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> < var_min; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> changed |= SubtractMaskFromActive(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - omin]);</div>
|
|
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> }</div>
|
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<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df">holes_</a>[var_index])) {</div>
|
|
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> changed |= SubtractMaskFromActive(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - omin]);</div>
|
|
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> }</div>
|
|
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = var_max + 1; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> <= old_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> changed |= SubtractMaskFromActive(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - omin]);</div>
|
|
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> }</div>
|
|
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> ClearTempMask();</div>
|
|
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="comment">// Let's build the mask of supported tuples from the current</span></div>
|
|
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> <span class="comment">// domain.</span></div>
|
|
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <span class="keywordflow">if</span> (var_max - var_min + 1 == var_size) { <span class="comment">// Contiguous.</span></div>
|
|
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = var_min; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> <= var_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> OrTempMask(var_index, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - omin);</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> }</div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> :</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> OrTempMask(var_index, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - omin);</div>
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|
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> }</div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> }</div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> <span class="comment">// Then we and this mask with active_tuples_.</span></div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> changed = AndMaskWithActive(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>);</div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> }</div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="comment">// We maintain the size of the variables incrementally (when it</span></div>
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|
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="comment">// is > 2).</span></div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> var_sizes_.SetValue(solver(), var_index, var_size);</div>
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|
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> }</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> }</div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="comment">// We push the propagate method only if something has changed.</span></div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="keywordflow">if</span> (changed) {</div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">if</span> (touched_var_ == -1 || touched_var_ == var_index) {</div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> touched_var_ = var_index;</div>
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|
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> touched_var_ = -2; <span class="comment">// more than one var.</span></div>
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|
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> }</div>
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|
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> EnqueueDelayedDemon(demon_);</div>
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|
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> }</div>
|
|
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> }</div>
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|
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> </div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"CompactPositiveTableConstraint([%s], %d tuples)"</span>,</div>
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|
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <a class="code hl_function" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>, <span class="stringliteral">", "</span>), <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>);</div>
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|
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> }</div>
|
|
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> </div>
|
|
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="comment">// ----- Initialization -----</span></div>
|
|
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> </div>
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|
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> <span class="keywordtype">void</span> BuildMasks() {</div>
|
|
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> <span class="comment">// Build masks.</span></div>
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|
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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|
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> original_min_[i] = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Min();</div>
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|
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="keyword">const</span> int64_t span = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Max() - original_min_[i] + 1;</div>
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|
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[i].resize(span);</div>
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|
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> }</div>
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|
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> }</div>
|
|
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> </div>
|
|
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keywordtype">void</span> FillMasksAndActiveTuples() {</div>
|
|
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> std::vector<uint64_t> actives(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>, 0);</div>
|
|
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tuple_index = 0; tuple_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>; ++tuple_index) {</div>
|
|
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="keywordflow">if</span> (IsTupleSupported(tuple_index)) {</div>
|
|
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <a class="code hl_function" href="namespaceoperations__research.html#aeb19de8c81811a72d9f39aeec6dd60ef">SetBit64</a>(actives.data(), tuple_index);</div>
|
|
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> <span class="comment">// Fill in all masks.</span></div>
|
|
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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|
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = UnsafeTupleValue(tuple_index, var_index);</div>
|
|
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> <span class="keyword">const</span> int64_t value_index = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min_[var_index];</div>
|
|
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <a class="code hl_define" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(value_index, 0);</div>
|
|
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(value_index, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index].size());</div>
|
|
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index].empty()) {</div>
|
|
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index].assign(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>, 0);</div>
|
|
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> }</div>
|
|
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <a class="code hl_function" href="namespaceoperations__research.html#aeb19de8c81811a72d9f39aeec6dd60ef">SetBit64</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index].data(), tuple_index);</div>
|
|
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> }</div>
|
|
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> }</div>
|
|
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> }</div>
|
|
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Init(solver(), actives);</div>
|
|
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> }</div>
|
|
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> </div>
|
|
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <span class="keywordtype">void</span> RemoveUnsupportedValues() {</div>
|
|
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="comment">// remove unreached values.</span></div>
|
|
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
|
|
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
|
|
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.clear();</div>
|
|
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
|
|
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min_[var_index]].empty()) {</div>
|
|
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> }</div>
|
|
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> }</div>
|
|
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.empty()) {</div>
|
|
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->RemoveValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>);</div>
|
|
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> }</div>
|
|
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> }</div>
|
|
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> }</div>
|
|
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> </div>
|
|
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="keywordtype">void</span> ComputeMasksBoundaries() {</div>
|
|
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
|
|
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> mask_starts_[var_index].resize(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index].size());</div>
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|
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> mask_ends_[var_index].resize(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index].size());</div>
|
|
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> value_index = 0; value_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index].size();</div>
|
|
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> ++value_index) {</div>
|
|
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> <span class="keyword">const</span> std::vector<uint64_t>& mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index];</div>
|
|
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> <span class="keywordflow">if</span> (mask.empty()) {</div>
|
|
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> }</div>
|
|
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a> = 0;</div>
|
|
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a> < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a> && mask[<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>] == 0) {</div>
|
|
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>++;</div>
|
|
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> }</div>
|
|
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>);</div>
|
|
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a> - 1;</div>
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|
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a> > <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a> && mask[<a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>] == 0) {</div>
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|
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>--;</div>
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|
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> }</div>
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<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <a class="code hl_define" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, <a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>);</div>
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|
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <a class="code hl_define" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(mask[<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>], 0);</div>
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|
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <a class="code hl_define" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(mask[<a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>], 0);</div>
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|
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> mask_starts_[var_index][value_index] = <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>;</div>
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|
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> mask_ends_[var_index][value_index] = <a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>;</div>
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|
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> }</div>
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|
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> }</div>
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|
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> }</div>
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|
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> </div>
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<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> <span class="keywordtype">void</span> BuildSupports() {</div>
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|
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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|
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> <a class="code hl_variable" href="graph__constraints_8cc.html#adee0f668fb19c3cd4247a4fc74bca2d6">supports_</a>[var_index].resize(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index].size());</div>
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|
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> }</div>
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|
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> }</div>
|
|
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> </div>
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|
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> <span class="comment">// ----- Helpers during propagation -----</span></div>
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|
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> </div>
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|
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> <span class="keywordtype">bool</span> AndMaskWithActive(<span class="keyword">const</span> std::vector<uint64_t>& mask) {</div>
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|
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> result = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.RevAnd(solver(), mask);</div>
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|
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Empty()) {</div>
|
|
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> solver()->Fail();</div>
|
|
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> }</div>
|
|
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> }</div>
|
|
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> </div>
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|
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> <span class="keywordtype">bool</span> SubtractMaskFromActive(<span class="keyword">const</span> std::vector<uint64_t>& mask) {</div>
|
|
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> result = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.RevSubtract(solver(), mask);</div>
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|
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Empty()) {</div>
|
|
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> solver()->Fail();</div>
|
|
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> }</div>
|
|
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> }</div>
|
|
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> </div>
|
|
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> <span class="keywordtype">bool</span> Supported(<span class="keywordtype">int</span> var_index, int64_t value_index) {</div>
|
|
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <a class="code hl_define" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(var_index, 0);</div>
|
|
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(var_index, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>);</div>
|
|
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> <a class="code hl_define" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(value_index, 0);</div>
|
|
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(value_index, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index].size());</div>
|
|
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="keyword">const</span> std::vector<uint64_t>& mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index];</div>
|
|
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!mask.empty());</div>
|
|
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.Intersects(mask, &<a class="code hl_variable" href="graph__constraints_8cc.html#adee0f668fb19c3cd4247a4fc74bca2d6">supports_</a>[var_index][value_index]);</div>
|
|
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> }</div>
|
|
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> </div>
|
|
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> <span class="keywordtype">void</span> OrTempMask(<span class="keywordtype">int</span> var_index, int64_t value_index) {</div>
|
|
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> <span class="keyword">const</span> std::vector<uint64_t>& mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index];</div>
|
|
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> <span class="keywordflow">if</span> (!mask.empty()) {</div>
|
|
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> <span class="keyword">const</span> <span class="keywordtype">int</span> mask_span = mask_ends_[var_index][value_index] -</div>
|
|
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> mask_starts_[var_index][value_index] + 1;</div>
|
|
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.ActiveWordSize() < mask_span) {</div>
|
|
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i : <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.active_words()) {</div>
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|
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>[i] |= mask[i];</div>
|
|
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> }</div>
|
|
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = mask_starts_[var_index][value_index];</div>
|
|
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> i <= mask_ends_[var_index][value_index]; ++i) {</div>
|
|
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>[i] |= mask[i];</div>
|
|
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> }</div>
|
|
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> }</div>
|
|
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> }</div>
|
|
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> }</div>
|
|
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> </div>
|
|
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> <span class="keywordtype">void</span> SetTempMask(<span class="keywordtype">int</span> var_index, int64_t value_index) {</div>
|
|
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <span class="comment">// We assume memset is much faster that looping and assigning.</span></div>
|
|
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> <span class="comment">// Still we do want to stay sparse if possible.</span></div>
|
|
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> <span class="comment">// Thus we switch between dense and sparse initialization by</span></div>
|
|
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> <span class="comment">// comparing the number of operations in both case, with constant factor.</span></div>
|
|
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> <span class="comment">// TODO(user): experiment with different constant values.</span></div>
|
|
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.ActiveWordSize() < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a> / 4) {</div>
|
|
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i : <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.active_words()) {</div>
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|
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>[i] = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index][i];</div>
|
|
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> }</div>
|
|
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][value_index];</div>
|
|
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> }</div>
|
|
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> }</div>
|
|
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> </div>
|
|
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> <span class="keywordtype">void</span> ClearTempMask() {</div>
|
|
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="comment">// See comment above.</span></div>
|
|
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.ActiveWordSize() < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a> / 4) {</div>
|
|
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i : <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>.active_words()) {</div>
|
|
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>[i] = 0;</div>
|
|
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> }</div>
|
|
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>.assign(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>, 0);</div>
|
|
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> }</div>
|
|
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> }</div>
|
|
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> </div>
|
|
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> <span class="comment">// The length in 64 bit words of the number of tuples.</span></div>
|
|
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a>;</div>
|
|
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <span class="comment">// The active bitset.</span></div>
|
|
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> UnsortedNullableRevBitset <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>;</div>
|
|
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> <span class="comment">// The masks per value per variable.</span></div>
|
|
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> std::vector<std::vector<std::vector<uint64_t>>> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>;</div>
|
|
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> <span class="comment">// The range of active indices in the masks.</span></div>
|
|
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> std::vector<std::vector<int>> mask_starts_;</div>
|
|
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> std::vector<std::vector<int>> mask_ends_;</div>
|
|
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> <span class="comment">// The min on the vars at creation time.</span></div>
|
|
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> std::vector<int64_t> original_min_;</div>
|
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<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="comment">// A temporary mask use for computation.</span></div>
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<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> std::vector<uint64_t> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a>;</div>
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<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> <span class="comment">// The index of the word in the active bitset supporting each value per</span></div>
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<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">// variable.</span></div>
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<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> std::vector<std::vector<int>> <a class="code hl_variable" href="graph__constraints_8cc.html#adee0f668fb19c3cd4247a4fc74bca2d6">supports_</a>;</div>
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<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> Demon* demon_;</div>
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<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> <span class="keywordtype">int</span> touched_var_;</div>
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<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> RevArray<int64_t> var_sizes_;</div>
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<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span>};</div>
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|
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> </div>
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<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span><span class="comment">// ----- Small Compact Table. -----</span></div>
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<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> </div>
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<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span><span class="comment">// TODO(user): regroup code with CompactPositiveTableConstraint.</span></div>
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<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> </div>
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<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span><span class="keyword">class </span>SmallCompactPositiveTableConstraint : <span class="keyword">public</span> BasePositiveTableConstraint {</div>
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<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> SmallCompactPositiveTableConstraint(Solver* <span class="keyword">const</span> s,</div>
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<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> <span class="keyword">const</span> IntTupleSet& tuples)</div>
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<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> : BasePositiveTableConstraint(s, vars, tuples),</div>
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<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>(0),</div>
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<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> <a class="code hl_variable" href="search_8cc.html#aea630e5fb2cf8a83bf43f5b43d187cda">stamp_</a>(0),</div>
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<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>),</div>
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<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> original_min_(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>, 0),</div>
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|
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> demon_(nullptr),</div>
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|
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> touched_var_(-1) {</div>
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<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> <a class="code hl_define" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>, 0);</div>
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|
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <a class="code hl_define" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>, 0);</div>
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|
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(tuples.NumTuples(), kBitsInUint64);</div>
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|
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> }</div>
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|
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> </div>
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|
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> ~SmallCompactPositiveTableConstraint()<span class="keyword"> override </span>{}</div>
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|
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> </div>
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|
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <span class="keywordtype">void</span> Post()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> demon_ = solver()->RegisterDemon(<a class="code hl_function" href="namespaceoperations__research.html#a6a001b36b291a4afe7dffdbb9194bc45">MakeDelayedConstraintDemon0</a>(</div>
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|
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> solver(), <span class="keyword">this</span>, &SmallCompactPositiveTableConstraint::Propagate,</div>
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|
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> <span class="stringliteral">"Propagate"</span>));</div>
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<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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|
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Bound()) {</div>
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|
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> Demon* <span class="keyword">const</span> update_demon = <a class="code hl_function" href="namespaceoperations__research.html#ae0190f4a9c848c207d0bff97f625fcd1">MakeConstraintDemon1</a>(</div>
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|
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> solver(), <span class="keyword">this</span>, &SmallCompactPositiveTableConstraint::Update,</div>
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|
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> <span class="stringliteral">"Update"</span>, i);</div>
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|
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->WhenDomain(update_demon);</div>
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|
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> }</div>
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|
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> }</div>
|
|
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> <a class="code hl_variable" href="search_8cc.html#aea630e5fb2cf8a83bf43f5b43d187cda">stamp_</a> = 0;</div>
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|
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> }</div>
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|
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> </div>
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<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> <span class="keywordtype">void</span> InitMasks() {</div>
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|
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> <span class="comment">// Build masks.</span></div>
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|
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++i) {</div>
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|
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> original_min_[i] = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Min();</div>
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|
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> <span class="keyword">const</span> int64_t span = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Max() - original_min_[i] + 1;</div>
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|
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[i].assign(span, 0);</div>
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|
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> }</div>
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|
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> }</div>
|
|
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> </div>
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<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> <span class="keywordtype">bool</span> IsTupleSupported(<span class="keywordtype">int</span> tuple_index) {</div>
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|
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
|
|
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = 0;</div>
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|
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> <span class="keywordflow">if</span> (!TupleValue(tuple_index, var_index, &<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) ||</div>
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|
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> !<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index]->Contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
|
|
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> }</div>
|
|
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> }</div>
|
|
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> }</div>
|
|
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> </div>
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|
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <span class="keywordtype">void</span> ComputeActiveTuples() {</div>
|
|
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a> = 0;</div>
|
|
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> <span class="comment">// Compute active_tuples_ and update masks.</span></div>
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|
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tuple_index = 0; tuple_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>; ++tuple_index) {</div>
|
|
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> <span class="keywordflow">if</span> (IsTupleSupported(tuple_index)) {</div>
|
|
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> <span class="keyword">const</span> uint64_t local_mask = <a class="code hl_function" href="namespaceoperations__research.html#ace10d9b6a07c87e11942df49bb04fc71">OneBit64</a>(tuple_index);</div>
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|
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a> |= local_mask;</div>
|
|
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
|
|
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = UnsafeTupleValue(tuple_index, var_index);</div>
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|
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min_[var_index]] |= local_mask;</div>
|
|
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> }</div>
|
|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> }</div>
|
|
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> }</div>
|
|
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>) {</div>
|
|
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> solver()->Fail();</div>
|
|
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> }</div>
|
|
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> }</div>
|
|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> </div>
|
|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> <span class="keywordtype">void</span> RemoveUnsupportedValues() {</div>
|
|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> <span class="comment">// remove unreached values.</span></div>
|
|
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
|
|
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
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|
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> <span class="keyword">const</span> int64_t original_min = original_min_[var_index];</div>
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|
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.clear();</div>
|
|
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
|
|
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min] == 0) {</div>
|
|
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> }</div>
|
|
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> }</div>
|
|
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.empty()) {</div>
|
|
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->RemoveValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>);</div>
|
|
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> }</div>
|
|
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> }</div>
|
|
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> }</div>
|
|
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> </div>
|
|
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <span class="keywordtype">void</span> InitialPropagate()<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> InitMasks();</div>
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|
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> ComputeActiveTuples();</div>
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|
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> RemoveUnsupportedValues();</div>
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|
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> }</div>
|
|
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> </div>
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|
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="keywordtype">void</span> Propagate() {</div>
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|
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> <span class="comment">// This methods scans all the values of all the variables to see if they</span></div>
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|
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> <span class="comment">// are still supported.</span></div>
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|
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> <span class="comment">// This method is not attached to any particular variable, but is pushed</span></div>
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|
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> <span class="comment">// at a delayed priority and awakened by Update(var_index).</span></div>
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|
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> </div>
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|
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> <span class="comment">// Reset touch_var_ if in mode (more than 1 variable was modified).</span></div>
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<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> <span class="keywordflow">if</span> (touched_var_ == -2) {</div>
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|
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> touched_var_ = -1;</div>
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|
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> }</div>
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|
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> </div>
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|
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> <span class="comment">// We cache active_tuples_.</span></div>
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|
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> <span class="keyword">const</span> uint64_t actives = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>;</div>
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|
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> </div>
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|
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> <span class="comment">// We scan all variables and check their domains.</span></div>
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|
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a>; ++var_index) {</div>
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|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> <span class="comment">// This demons runs in low priority. Thus we know all the</span></div>
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|
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> <span class="comment">// variables that have changed since the last time it was run.</span></div>
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|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="comment">// In that case, if only one var was touched, as propagation is</span></div>
|
|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> <span class="comment">// exact, we do not need to recheck that variable.</span></div>
|
|
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> <span class="keywordflow">if</span> (var_index == touched_var_) {</div>
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|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> touched_var_ = -1; <span class="comment">// Clean it, it is a one time flag.</span></div>
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|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> <span class="keywordflow">continue</span>;</div>
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|
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> }</div>
|
|
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <span class="keyword">const</span> std::vector<uint64_t>& var_mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index];</div>
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|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> <span class="keyword">const</span> int64_t original_min = original_min_[var_index];</div>
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|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
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|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="keyword">const</span> int64_t var_size = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size();</div>
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|
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> <span class="keywordflow">switch</span> (var_size) {</div>
|
|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <span class="keywordflow">case</span> 1: {</div>
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|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> <span class="keywordflow">if</span> ((var_mask[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min() - original_min] & actives) == 0) {</div>
|
|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> <span class="comment">// The difference with the non-small version of the table</span></div>
|
|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> <span class="comment">// is that checking the validity of the resulting active</span></div>
|
|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> <span class="comment">// tuples is cheap. Therefore we do not delay the check</span></div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> <span class="comment">// code.</span></div>
|
|
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> solver()->Fail();</div>
|
|
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> }</div>
|
|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> }</div>
|
|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <span class="keywordflow">case</span> 2: {</div>
|
|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min();</div>
|
|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max();</div>
|
|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> min_support =</div>
|
|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> (var_mask[var_min - original_min] & actives) != 0;</div>
|
|
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> max_support =</div>
|
|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> (var_mask[var_max - original_min] & actives) != 0;</div>
|
|
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> <span class="keywordflow">if</span> (!min_support && !max_support) {</div>
|
|
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> solver()->Fail();</div>
|
|
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!min_support) {</div>
|
|
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetValue(var_max);</div>
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|
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!max_support) {</div>
|
|
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetValue(var_min);</div>
|
|
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> }</div>
|
|
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> }</div>
|
|
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.clear();</div>
|
|
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min();</div>
|
|
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max();</div>
|
|
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> int64_t new_min = var_min;</div>
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|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> int64_t new_max = var_max;</div>
|
|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> <span class="keywordflow">if</span> (var_max - var_min + 1 == var_size) {</div>
|
|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> <span class="comment">// Contiguous case.</span></div>
|
|
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> <span class="keywordflow">for</span> (; new_min <= var_max; ++new_min) {</div>
|
|
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> <span class="keywordflow">if</span> ((var_mask[new_min - original_min] & actives) != 0) {</div>
|
|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> }</div>
|
|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> }</div>
|
|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <span class="keywordflow">for</span> (; new_max >= new_min; --new_max) {</div>
|
|
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> <span class="keywordflow">if</span> ((var_mask[new_max - original_min] & actives) != 0) {</div>
|
|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> }</div>
|
|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> }</div>
|
|
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetRange(new_min, new_max);</div>
|
|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = new_min + 1; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> < new_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> <span class="keywordflow">if</span> ((var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min] & actives) == 0) {</div>
|
|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> }</div>
|
|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> }</div>
|
|
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> <span class="keywordtype">bool</span> min_set = <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> <span class="keywordtype">int</span> last_size = 0;</div>
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|
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> :</div>
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|
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
|
|
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> <span class="comment">// The iterator is not safe w.r.t. deletion. Thus we</span></div>
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|
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <span class="comment">// postpone all value removals.</span></div>
|
|
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <span class="keywordflow">if</span> ((var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min] & actives) == 0) {</div>
|
|
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> <span class="keywordflow">if</span> (min_set) {</div>
|
|
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> }</div>
|
|
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <span class="keywordflow">if</span> (!min_set) {</div>
|
|
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> new_min = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> min_set = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> }</div>
|
|
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> new_max = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> last_size = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.size();</div>
|
|
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> }</div>
|
|
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> }</div>
|
|
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> <span class="keywordflow">if</span> (min_set) {</div>
|
|
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->SetRange(new_min, new_max);</div>
|
|
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> solver()->Fail();</div>
|
|
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> }</div>
|
|
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>.resize(last_size);</div>
|
|
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> }</div>
|
|
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->RemoveValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a>);</div>
|
|
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> }</div>
|
|
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> }</div>
|
|
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> }</div>
|
|
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> }</div>
|
|
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> </div>
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<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">int</span> var_index) {</div>
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|
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> <span class="comment">// This method updates the set of active tuples by masking out all</span></div>
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|
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> <span class="comment">// tuples attached to values of the variables that have been removed.</span></div>
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<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> </div>
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<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
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<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> <span class="keyword">const</span> int64_t original_min = original_min_[var_index];</div>
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|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> <span class="keyword">const</span> int64_t var_size = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size();</div>
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|
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> <span class="keywordflow">switch</span> (var_size) {</div>
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|
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> <span class="keywordflow">case</span> 1: {</div>
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|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> ApplyMask(var_index, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min() - original_min]);</div>
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|
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> <span class="keywordflow">return</span>;</div>
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|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> }</div>
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|
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> <span class="keywordflow">case</span> 2: {</div>
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|
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> ApplyMask(var_index, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min() - original_min] |</div>
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|
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index][<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max() - original_min]);</div>
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|
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> }</div>
|
|
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> <span class="comment">// We first collect the complete set of tuples to blank out in</span></div>
|
|
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> <span class="comment">// temp_mask.</span></div>
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|
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> <span class="keyword">const</span> std::vector<uint64_t>& var_mask = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>[var_index];</div>
|
|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> <span class="keyword">const</span> int64_t old_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->OldMin();</div>
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|
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> <span class="keyword">const</span> int64_t old_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->OldMax();</div>
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|
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Min();</div>
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|
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Max();</div>
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|
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> contiguous = var_size == var_max - var_min + 1;</div>
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|
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> nearly_contiguous =</div>
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|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> var_size > (var_max - var_min + 1) * 7 / 10;</div>
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|
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> </div>
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|
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> <span class="comment">// Count the number of masks to collect to compare the deduction</span></div>
|
|
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> <span class="comment">// vs the construction of the new active bitset.</span></div>
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|
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> <span class="comment">// TODO(user): Implement HolesSize() on IntVar* and use it</span></div>
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|
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> <span class="comment">// to remove this code and the var_sizes in the non_small</span></div>
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|
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> <span class="comment">// version.</span></div>
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|
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> uint64_t hole_mask = 0;</div>
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|
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> <span class="keywordflow">if</span> (!contiguous) {</div>
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|
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df">holes_</a>[var_index])) {</div>
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|
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> hole_mask |= var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min];</div>
|
|
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> }</div>
|
|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> }</div>
|
|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> <span class="keyword">const</span> int64_t hole_operations = var_min - old_min + old_max - var_max;</div>
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|
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <span class="comment">// We estimate the domain iterator to be 4x slower.</span></div>
|
|
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keyword">const</span> int64_t domain_operations = contiguous ? var_size : 4 * var_size;</div>
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|
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> <span class="keywordflow">if</span> (hole_operations < domain_operations) {</div>
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|
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = old_min; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> < var_min; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> hole_mask |= var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min];</div>
|
|
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> }</div>
|
|
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = var_max + 1; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> <= old_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> hole_mask |= var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min];</div>
|
|
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> }</div>
|
|
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> <span class="comment">// We reverse the mask as this was negative information.</span></div>
|
|
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> ApplyMask(var_index, ~hole_mask);</div>
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|
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> uint64_t domain_mask = 0;</div>
|
|
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> <span class="keywordflow">if</span> (contiguous) {</div>
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|
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = var_min; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> <= var_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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|
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> domain_mask |= var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min];</div>
|
|
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> }</div>
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|
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (nearly_contiguous) {</div>
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|
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = var_min; <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> <= var_max; ++<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
|
|
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> domain_mask |= var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min];</div>
|
|
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> }</div>
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|
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> }</div>
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|
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> :</div>
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|
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> InitAndGetValues(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[var_index])) {</div>
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|
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> domain_mask |= var_mask[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min];</div>
|
|
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> }</div>
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|
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> }</div>
|
|
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> ApplyMask(var_index, domain_mask);</div>
|
|
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> }</div>
|
|
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> }</div>
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|
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> }</div>
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|
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> }</div>
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|
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> </div>
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<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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|
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> <span class="keywordflow">return</span> absl::StrFormat(</div>
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|
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> <span class="stringliteral">"SmallCompactPositiveTableConstraint([%s], %d tuples)"</span>,</div>
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<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> <a class="code hl_function" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>, <span class="stringliteral">", "</span>), <a class="code hl_variable" href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a>);</div>
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<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> }</div>
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<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> </div>
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<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> <span class="keywordtype">void</span> ApplyMask(<span class="keywordtype">int</span> var_index, uint64_t mask) {</div>
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<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> <span class="keywordflow">if</span> ((~mask & <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>) != 0) {</div>
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|
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> <span class="comment">// Check if we need to save the active_tuples in this node.</span></div>
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|
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> <span class="keyword">const</span> uint64_t current_stamp = solver()->stamp();</div>
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|
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="search_8cc.html#aea630e5fb2cf8a83bf43f5b43d187cda">stamp_</a> < current_stamp) {</div>
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|
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> <a class="code hl_variable" href="search_8cc.html#aea630e5fb2cf8a83bf43f5b43d187cda">stamp_</a> = current_stamp;</div>
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<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> solver()->SaveValue(&<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>);</div>
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|
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> }</div>
|
|
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a> &= mask;</div>
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<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>) {</div>
|
|
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> <span class="comment">// Maintain touched_var_.</span></div>
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|
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> <span class="keywordflow">if</span> (touched_var_ == -1 || touched_var_ == var_index) {</div>
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|
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> touched_var_ = var_index;</div>
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|
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> touched_var_ = -2; <span class="comment">// more than one var.</span></div>
|
|
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> }</div>
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<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> EnqueueDelayedDemon(demon_);</div>
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|
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> <span class="comment">// Clean it before failing.</span></div>
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<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> touched_var_ = -1;</div>
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<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> solver()->Fail();</div>
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<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> }</div>
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<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> }</div>
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<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> }</div>
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<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> </div>
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<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span> <span class="comment">// Bitset of active tuples.</span></div>
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<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> uint64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a>;</div>
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<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> <span class="comment">// Stamp of the active_tuple bitset.</span></div>
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<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span> uint64_t <a class="code hl_variable" href="search_8cc.html#aea630e5fb2cf8a83bf43f5b43d187cda">stamp_</a>;</div>
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<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> <span class="comment">// The masks per value per variable.</span></div>
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<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> std::vector<std::vector<uint64_t>> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a>;</div>
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<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span> <span class="comment">// The min on the vars at creation time.</span></div>
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<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> std::vector<int64_t> original_min_;</div>
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<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span> Demon* demon_;</div>
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<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span> <span class="keywordtype">int</span> touched_var_;</div>
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<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span>};</div>
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<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> </div>
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<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span><span class="keywordtype">bool</span> HasCompactDomains(<span class="keyword">const</span> std::vector<IntVar*>& vars) {</div>
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<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// Always assume compact table.</span></div>
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<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span>}</div>
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<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> </div>
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<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span><span class="comment">// ---------- Deterministic Finite Automaton ----------</span></div>
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<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> </div>
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<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span><span class="comment">// This constraint implements a finite automaton when transitions are</span></div>
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<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span><span class="comment">// the values of the variables in the array.</span></div>
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|
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span><span class="comment">// that is state[i+1] = transition[var[i]][state[i]] if</span></div>
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<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span><span class="comment">// (state[i], var[i], state[i+1]) in the transition table.</span></div>
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|
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span><span class="comment">// There is only one possible transition for a state/value pair.</span></div>
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<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span><span class="keyword">class </span>TransitionConstraint : <span class="keyword">public</span> Constraint {</div>
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<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a4bec3c5af89f109dcb01e906c4f77d1d"> 1150</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a4bec3c5af89f109dcb01e906c4f77d1d">kStatePosition</a>;</div>
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<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a5c9905f38264be04312eef081d629645"> 1151</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5c9905f38264be04312eef081d629645">kNextStatePosition</a>;</div>
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|
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"><a class="line" href="constraint__solver_2table_8cc.html#a11cdf0be64beeb101ad0e11c316424e5"> 1152</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a11cdf0be64beeb101ad0e11c316424e5">kTransitionTupleSize</a>;</div>
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<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> TransitionConstraint(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> <span class="keyword">const</span> IntTupleSet& transition_table,</div>
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|
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> int64_t initial_state,</div>
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|
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> <span class="keyword">const</span> std::vector<int64_t>& final_states)</div>
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|
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> : Constraint(s),</div>
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|
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(vars),</div>
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|
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> transition_table_(transition_table),</div>
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|
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> initial_state_(initial_state),</div>
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|
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> final_states_(final_states) {}</div>
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|
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> </div>
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|
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> TransitionConstraint(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> <span class="keyword">const</span> IntTupleSet& transition_table,</div>
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|
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> int64_t initial_state,</div>
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|
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> <span class="keyword">const</span> std::vector<int>& final_states)</div>
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|
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> : Constraint(s),</div>
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|
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(vars),</div>
|
|
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> transition_table_(transition_table),</div>
|
|
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> initial_state_(initial_state),</div>
|
|
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> final_states_(final_states.size()) {</div>
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|
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < final_states.size(); ++i) {</div>
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|
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span> final_states_[i] = final_states[i];</div>
|
|
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> }</div>
|
|
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> }</div>
|
|
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> </div>
|
|
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> ~TransitionConstraint()<span class="keyword"> override </span>{}</div>
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|
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> </div>
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|
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> <span class="keywordtype">void</span> Post()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> int64_t state_min = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
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|
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> int64_t state_max = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>();</div>
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|
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> <span class="keyword">const</span> <span class="keywordtype">int</span> nb_vars = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size();</div>
|
|
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < transition_table_.NumTuples(); ++i) {</div>
|
|
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> state_max =</div>
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|
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(state_max, transition_table_.Value(i, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a4bec3c5af89f109dcb01e906c4f77d1d">kStatePosition</a>));</div>
|
|
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> state_max =</div>
|
|
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(state_max, transition_table_.Value(i, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5c9905f38264be04312eef081d629645">kNextStatePosition</a>));</div>
|
|
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> state_min =</div>
|
|
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(state_min, transition_table_.Value(i, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a4bec3c5af89f109dcb01e906c4f77d1d">kStatePosition</a>));</div>
|
|
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> state_min =</div>
|
|
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(state_min, transition_table_.Value(i, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5c9905f38264be04312eef081d629645">kNextStatePosition</a>));</div>
|
|
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> }</div>
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|
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> </div>
|
|
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> std::vector<IntVar*> states;</div>
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|
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> states.push_back(s->MakeIntConst(initial_state_));</div>
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|
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 1; var_index < nb_vars; ++var_index) {</div>
|
|
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> states.push_back(s->MakeIntVar(state_min, state_max));</div>
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|
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> }</div>
|
|
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> states.push_back(s->MakeIntVar(final_states_));</div>
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|
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(nb_vars + 1, states.size());</div>
|
|
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> </div>
|
|
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_tuples = transition_table_.NumTuples();</div>
|
|
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> </div>
|
|
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < nb_vars; ++var_index) {</div>
|
|
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> std::vector<IntVar*> tmp_vars(3);</div>
|
|
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> tmp_vars[0] = states[var_index];</div>
|
|
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> tmp_vars[1] = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[var_index];</div>
|
|
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> tmp_vars[2] = states[var_index + 1];</div>
|
|
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> <span class="comment">// We always build the compact versions of the tables.</span></div>
|
|
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span> <span class="keywordflow">if</span> (num_tuples <= kBitsInUint64) {</div>
|
|
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span> s->AddConstraint(s->RevAlloc(<span class="keyword">new</span> SmallCompactPositiveTableConstraint(</div>
|
|
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span> s, tmp_vars, transition_table_)));</div>
|
|
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> s->AddConstraint(s->RevAlloc(<span class="keyword">new</span> CompactPositiveTableConstraint(</div>
|
|
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> s, tmp_vars, transition_table_)));</div>
|
|
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> }</div>
|
|
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> }</div>
|
|
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> }</div>
|
|
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> </div>
|
|
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> <span class="keywordtype">void</span> InitialPropagate()<span class="keyword"> override </span>{}</div>
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|
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span> </div>
|
|
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span> <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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|
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span> visitor->BeginVisitConstraint(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a938ba082d25b344f54d9dd7d2bb700fc">ModelVisitor::kTransition</a>, <span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span> visitor->VisitIntegerVariableArrayArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa9175e7f7c9d2598d26293435ecd89ce">ModelVisitor::kVarsArgument</a>,</div>
|
|
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>);</div>
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|
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> visitor->VisitIntegerArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aef3891d34b3f1428edf4984d0ca037bd">ModelVisitor::kInitialState</a>, initial_state_);</div>
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|
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span> visitor->VisitIntegerArrayArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a188ca3b4a3e145c9ab85bc2b129903b7">ModelVisitor::kFinalStatesArgument</a>,</div>
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|
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span> final_states_);</div>
|
|
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> visitor->VisitIntegerMatrixArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a9c6fd6988c30e89f6678e4a687a66585">ModelVisitor::kTuplesArgument</a>,</div>
|
|
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> transition_table_);</div>
|
|
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> visitor->EndVisitConstraint(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a938ba082d25b344f54d9dd7d2bb700fc">ModelVisitor::kTransition</a>, <span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> }</div>
|
|
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> </div>
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<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> <span class="keywordflow">return</span> absl::StrFormat(</div>
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<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> <span class="stringliteral">"TransitionConstraint([%s], %d transitions, initial = %d, final = "</span></div>
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<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> <span class="stringliteral">"[%s])"</span>,</div>
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<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> <a class="code hl_function" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>, <span class="stringliteral">", "</span>), transition_table_.NumTuples(),</div>
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<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> initial_state_, absl::StrJoin(final_states_, <span class="stringliteral">", "</span>));</div>
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<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> }</div>
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<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> </div>
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<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> <span class="comment">// Variable representing transitions between states. See header file.</span></div>
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<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> <span class="keyword">const</span> std::vector<IntVar*> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>;</div>
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<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> <span class="comment">// The transition as tuples (state, value, next_state).</span></div>
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<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> <span class="keyword">const</span> IntTupleSet transition_table_;</div>
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<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> <span class="comment">// The initial state before the first transition.</span></div>
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<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> <span class="keyword">const</span> int64_t initial_state_;</div>
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<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> <span class="comment">// Vector of final state after the last transision.</span></div>
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<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> std::vector<int64_t> final_states_;</div>
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<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span>};</div>
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<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> </div>
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<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span><span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a4bec3c5af89f109dcb01e906c4f77d1d">TransitionConstraint::kStatePosition</a> = 0;</div>
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<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span><span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a5c9905f38264be04312eef081d629645">TransitionConstraint::kNextStatePosition</a> = 2;</div>
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<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span><span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a11cdf0be64beeb101ad0e11c316424e5">TransitionConstraint::kTransitionTupleSize</a> = 3;</div>
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<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> </div>
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<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span><span class="comment">// --------- API ----------</span></div>
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<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span> </div>
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<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_solver.html#af4c960f5d46ac35f537ade04ff7e2cc3"> 1261</a></span><a class="code hl_class" href="classoperations__research_1_1_constraint.html">Constraint</a>* <a class="code hl_function" href="classoperations__research_1_1_solver.html#af4c960f5d46ac35f537ade04ff7e2cc3">Solver::MakeAllowedAssignments</a>(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_int_tuple_set.html">IntTupleSet</a>& tuples) {</div>
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<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span> <span class="keywordflow">if</span> (HasCompactDomains(vars)) {</div>
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<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span> <span class="keywordflow">if</span> (tuples.<a class="code hl_function" href="classoperations__research_1_1_int_tuple_set.html#ac2a5be9e740d5b60e848ee87eccf3a48">NumTuples</a>() < kBitsInUint64 && parameters_.use_small_table()) {</div>
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<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">RevAlloc</a>(</div>
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<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> <span class="keyword">new</span> SmallCompactPositiveTableConstraint(<span class="keyword">this</span>, vars, tuples));</div>
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<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">RevAlloc</a>(<span class="keyword">new</span> CompactPositiveTableConstraint(<span class="keyword">this</span>, vars, tuples));</div>
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<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> }</div>
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<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> }</div>
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<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">RevAlloc</a>(<span class="keyword">new</span> PositiveTableConstraint(<span class="keyword">this</span>, vars, tuples));</div>
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<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span>}</div>
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<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span> </div>
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<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_solver.html#a7f1d4e45e25d6c7c4c373e5a9677393d"> 1274</a></span><a class="code hl_class" href="classoperations__research_1_1_constraint.html">Constraint</a>* <a class="code hl_function" href="classoperations__research_1_1_solver.html#a7f1d4e45e25d6c7c4c373e5a9677393d">Solver::MakeTransitionConstraint</a>(</div>
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<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> <span class="keyword">const</span> std::vector<IntVar*>& vars, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_int_tuple_set.html">IntTupleSet</a>& transition_table,</div>
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<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> int64_t initial_state, <span class="keyword">const</span> std::vector<int64_t>& final_states) {</div>
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<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">RevAlloc</a>(<span class="keyword">new</span> TransitionConstraint(<span class="keyword">this</span>, vars, transition_table,</div>
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<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span> initial_state, final_states));</div>
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<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span>}</div>
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<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> </div>
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<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_solver.html#a2d98d0213497868803af4120f7bdb082"> 1281</a></span><a class="code hl_class" href="classoperations__research_1_1_constraint.html">Constraint</a>* <a class="code hl_function" href="classoperations__research_1_1_solver.html#a7f1d4e45e25d6c7c4c373e5a9677393d">Solver::MakeTransitionConstraint</a>(</div>
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<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span> <span class="keyword">const</span> std::vector<IntVar*>& vars, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_int_tuple_set.html">IntTupleSet</a>& transition_table,</div>
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<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> int64_t initial_state, <span class="keyword">const</span> std::vector<int>& final_states) {</div>
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<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">RevAlloc</a>(<span class="keyword">new</span> TransitionConstraint(<span class="keyword">this</span>, vars, transition_table,</div>
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|
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> initial_state, final_states));</div>
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<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span>}</div>
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<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> </div>
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<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</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#l00893">base/logging.h:893</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0"><div class="ttname"><a href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a></div><div class="ttdeci">#define DCHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00892">base/logging.h:892</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#l00703">base/logging.h:703</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#l00707">base/logging.h:707</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#l00895">base/logging.h:895</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#l00704">base/logging.h:704</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#l00894">base/logging.h:894</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#l00890">base/logging.h:890</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#l00705">base/logging.h:705</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#l00891">base/logging.h:891</a></div></div>
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<div class="ttc" id="abitset_8h_html"><div class="ttname"><a href="bitset_8h.html">bitset.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_constraint_html"><div class="ttname"><a href="classoperations__research_1_1_constraint.html">operations_research::Constraint</a></div><div class="ttdoc">A constraint is the main modeling object.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03626">constraint_solver.h:3626</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_int_tuple_set_html"><div class="ttname"><a href="classoperations__research_1_1_int_tuple_set.html">operations_research::IntTupleSet</a></div><div class="ttdef"><b>Definition:</b> <a href="tuple__set_8h_source.html#l00049">tuple_set.h:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_int_tuple_set_html_ac2a5be9e740d5b60e848ee87eccf3a48"><div class="ttname"><a href="classoperations__research_1_1_int_tuple_set.html#ac2a5be9e740d5b60e848ee87eccf3a48">operations_research::IntTupleSet::NumTuples</a></div><div class="ttdeci">int NumTuples() const</div><div class="ttdef"><b>Definition:</b> <a href="tuple__set_8h_source.html#l00348">tuple_set.h:348</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a188ca3b4a3e145c9ab85bc2b129903b7"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a188ca3b4a3e145c9ab85bc2b129903b7">operations_research::ModelVisitor::kFinalStatesArgument</a></div><div class="ttdeci">static const char kFinalStatesArgument[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03495">constraint_solver.h:3495</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a6319006b7a88ede6de0a7e7f54db4f46"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a6319006b7a88ede6de0a7e7f54db4f46">operations_research::ModelVisitor::kProductOperation</a></div><div class="ttdeci">static const char kProductOperation[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03544">constraint_solver.h:3544</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a7ca935997c56b391df120e44c7dd7961"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a7ca935997c56b391df120e44c7dd7961">operations_research::ModelVisitor::kTraceOperation</a></div><div class="ttdeci">static const char kTraceOperation[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03547">constraint_solver.h:3547</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a938ba082d25b344f54d9dd7d2bb700fc"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a938ba082d25b344f54d9dd7d2bb700fc">operations_research::ModelVisitor::kTransition</a></div><div class="ttdeci">static const char kTransition[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03456">constraint_solver.h:3456</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a9c6fd6988c30e89f6678e4a687a66585"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a9c6fd6988c30e89f6678e4a687a66585">operations_research::ModelVisitor::kTuplesArgument</a></div><div class="ttdeci">static const char kTuplesArgument[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03531">constraint_solver.h:3531</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_aa32c8eca7abdafccc3b770bda9847af9"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#aa32c8eca7abdafccc3b770bda9847af9">operations_research::ModelVisitor::kAllowedAssignments</a></div><div class="ttdeci">static const char kAllowedAssignments[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03381">constraint_solver.h:3381</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_aa8d099e997964231052692ee19e80d6c"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#aa8d099e997964231052692ee19e80d6c">operations_research::ModelVisitor::kDifferenceOperation</a></div><div class="ttdeci">static const char kDifferenceOperation[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03543">constraint_solver.h:3543</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_aa9175e7f7c9d2598d26293435ecd89ce"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#aa9175e7f7c9d2598d26293435ecd89ce">operations_research::ModelVisitor::kVarsArgument</a></div><div class="ttdeci">static const char kVarsArgument[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03535">constraint_solver.h:3535</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_aa9467b78ab6f4dcdff8101e452224034"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#aa9467b78ab6f4dcdff8101e452224034">operations_research::ModelVisitor::kSumOperation</a></div><div class="ttdeci">static const char kSumOperation[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03542">constraint_solver.h:3542</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_aef3891d34b3f1428edf4984d0ca037bd"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#aef3891d34b3f1428edf4984d0ca037bd">operations_research::ModelVisitor::kInitialState</a></div><div class="ttdeci">static const char kInitialState[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03499">constraint_solver.h:3499</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_a7f1d4e45e25d6c7c4c373e5a9677393d"><div class="ttname"><a href="classoperations__research_1_1_solver.html#a7f1d4e45e25d6c7c4c373e5a9677393d">operations_research::Solver::MakeTransitionConstraint</a></div><div class="ttdeci">Constraint * MakeTransitionConstraint(const std::vector< IntVar * > &vars, const IntTupleSet &transition_table, int64_t initial_state, const std::vector< int64_t > &final_states)</div><div class="ttdoc">This constraint create a finite automaton that will check the sequence of variables vars.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l01274">constraint_solver/table.cc:1274</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_af4c960f5d46ac35f537ade04ff7e2cc3"><div class="ttname"><a href="classoperations__research_1_1_solver.html#af4c960f5d46ac35f537ade04ff7e2cc3">operations_research::Solver::MakeAllowedAssignments</a></div><div class="ttdeci">Constraint * MakeAllowedAssignments(const std::vector< IntVar * > &vars, const IntTupleSet &tuples)</div><div class="ttdoc">This method creates a constraint where the graph of the relation between the variables is given in ex...</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l01261">constraint_solver/table.cc:1261</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_af5a1f8b1ea0ab0796c8667b9e2ef0ce7"><div class="ttname"><a href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">operations_research::Solver::RevAlloc</a></div><div class="ttdeci">T * RevAlloc(T *object)</div><div class="ttdoc">Registers the given object as being reversible.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00791">constraint_solver.h:791</a></div></div>
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<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a11cdf0be64beeb101ad0e11c316424e5"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a11cdf0be64beeb101ad0e11c316424e5">kTransitionTupleSize</a></div><div class="ttdeci">static const int kTransitionTupleSize</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l01152">constraint_solver/table.cc:1152</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a1c800eeef507295e3374f6f1c97d5459"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a1c800eeef507295e3374f6f1c97d5459">word_length_</a></div><div class="ttdeci">const int word_length_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00387">constraint_solver/table.cc:387</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a4bec3c5af89f109dcb01e906c4f77d1d"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a4bec3c5af89f109dcb01e906c4f77d1d">kStatePosition</a></div><div class="ttdeci">static const int kStatePosition</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l01150">constraint_solver/table.cc:1150</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a5889398aa7aa6ccf7b24b80bdd95e9c3"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a5889398aa7aa6ccf7b24b80bdd95e9c3">arity_</a></div><div class="ttdeci">const int arity_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00226">constraint_solver/table.cc:226</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a5c9905f38264be04312eef081d629645"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a5c9905f38264be04312eef081d629645">kNextStatePosition</a></div><div class="ttdeci">static const int kNextStatePosition</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l01151">constraint_solver/table.cc:1151</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a70ab13fe6fc1facd5b81e3ea4127203d"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a70ab13fe6fc1facd5b81e3ea4127203d">masks_</a></div><div class="ttdeci">std::vector< ValueBitset > masks_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00389">constraint_solver/table.cc:389</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a></div><div class="ttdeci">int64_t b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00047">constraint_solver/table.cc:47</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a9b229f7e8aa2b819b08a9eef9b39df61"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a></div><div class="ttdeci">std::vector< IntVar * > vars_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00227">constraint_solver/table.cc:227</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a9ea6e0a7e183dca3a31ee9e998d8b4df"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9ea6e0a7e183dca3a31ee9e998d8b4df">holes_</a></div><div class="ttdeci">std::vector< IntVarIterator * > holes_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00228">constraint_solver/table.cc:228</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_ab2444961c97f3001b2af69be5100a69c"><div class="ttname"><a href="constraint__solver_2table_8cc.html#ab2444961c97f3001b2af69be5100a69c">tuple_count_</a></div><div class="ttdeci">const int tuple_count_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00225">constraint_solver/table.cc:225</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a></div><div class="ttdeci">int64_t a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00046">constraint_solver/table.cc:46</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_ace49187800bab1a967e655278e69ca39"><div class="ttname"><a href="constraint__solver_2table_8cc.html#ace49187800bab1a967e655278e69ca39">to_remove_</a></div><div class="ttdeci">std::vector< int64_t > to_remove_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00230">constraint_solver/table.cc:230</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_ad74a8a202ac114f6cd7a00a1345fbf66"><div class="ttname"><a href="constraint__solver_2table_8cc.html#ad74a8a202ac114f6cd7a00a1345fbf66">temp_mask_</a></div><div class="ttdeci">std::vector< uint64_t > temp_mask_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00390">constraint_solver/table.cc:390</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_add5bd7902ae98c66c7af7c7bdd639bf4"><div class="ttname"><a href="constraint__solver_2table_8cc.html#add5bd7902ae98c66c7af7c7bdd639bf4">active_tuples_</a></div><div class="ttdeci">UnsortedNullableRevBitset active_tuples_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00388">constraint_solver/table.cc:388</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_af6a9149207c05695bc2e26a658461abd"><div class="ttname"><a href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a></div><div class="ttdeci">std::vector< IntVarIterator * > iterators_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00229">constraint_solver/table.cc:229</a></div></div>
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<div class="ttc" id="aconstraint__solver_8h_html"><div class="ttname"><a href="constraint__solver_8h.html">constraint_solver.h</a></div></div>
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<div class="ttc" id="aconstraint__solveri_8h_html"><div class="ttname"><a href="constraint__solveri_8h.html">constraint_solveri.h</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="agraph__constraints_8cc_html_adee0f668fb19c3cd4247a4fc74bca2d6"><div class="ttname"><a href="graph__constraints_8cc.html#adee0f668fb19c3cd4247a4fc74bca2d6">supports_</a></div><div class="ttdeci">std::vector< int > supports_</div><div class="ttdef"><b>Definition:</b> <a href="graph__constraints_8cc_source.html#l00673">graph_constraints.cc:673</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6a001b36b291a4afe7dffdbb9194bc45"><div class="ttname"><a href="namespaceoperations__research.html#a6a001b36b291a4afe7dffdbb9194bc45">operations_research::MakeDelayedConstraintDemon0</a></div><div class="ttdeci">Demon * MakeDelayedConstraintDemon0(Solver *const s, T *const ct, void(T::*method)(), const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solveri_8h_source.html#l00682">constraint_solveri.h:682</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a9be76edcbd5ccb982d92c8d90421a73c"><div class="ttname"><a href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">operations_research::JoinDebugStringPtr</a></div><div class="ttdeci">std::string JoinDebugStringPtr(const std::vector< T > &v, const std::string &separator)</div><div class="ttdef"><b>Definition:</b> <a href="string__array_8h_source.html#l00045">string_array.h:45</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ace10d9b6a07c87e11942df49bb04fc71"><div class="ttname"><a href="namespaceoperations__research.html#ace10d9b6a07c87e11942df49bb04fc71">operations_research::OneBit64</a></div><div class="ttdeci">uint64_t OneBit64(int pos)</div><div class="ttdef"><b>Definition:</b> <a href="bitset_8h_source.html#l00038">bitset.h:38</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ade9a654d04b140bd2c2fbfb502c3999c"><div class="ttname"><a href="namespaceoperations__research.html#ade9a654d04b140bd2c2fbfb502c3999c">operations_research::BitLength64</a></div><div class="ttdeci">uint64_t BitLength64(uint64_t size)</div><div class="ttdef"><b>Definition:</b> <a href="bitset_8h_source.html#l00338">bitset.h:338</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ae0190f4a9c848c207d0bff97f625fcd1"><div class="ttname"><a href="namespaceoperations__research.html#ae0190f4a9c848c207d0bff97f625fcd1">operations_research::MakeConstraintDemon1</a></div><div class="ttdeci">Demon * MakeConstraintDemon1(Solver *const s, T *const ct, void(T::*method)(P), const std::string &name, P param1)</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solveri_8h_source.html#l00560">constraint_solveri.h:560</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeb19de8c81811a72d9f39aeec6dd60ef"><div class="ttname"><a href="namespaceoperations__research.html#aeb19de8c81811a72d9f39aeec6dd60ef">operations_research::SetBit64</a></div><div class="ttdeci">void SetBit64(uint64_t *const bitset, uint64_t pos)</div><div class="ttdef"><b>Definition:</b> <a href="bitset_8h_source.html#l00354">bitset.h:354</a></div></div>
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<div class="ttc" id="anamespaceutil_html_a208121f27c615b309e2ab37bb85280f1"><div class="ttname"><a href="namespaceutil.html#a208121f27c615b309e2ab37bb85280f1">util::Reverse</a></div><div class="ttdeci">BeginEndReverseIteratorWrapper< Container > Reverse(const Container &c)</div><div class="ttdef"><b>Definition:</b> <a href="iterators_8h_source.html#l00098">iterators.h:98</a></div></div>
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<div class="ttc" id="asched__constraints_8cc_html_a527571de51e3f4b1fc9945f3a374faad"><div class="ttname"><a href="sched__constraints_8cc.html#a527571de51e3f4b1fc9945f3a374faad">target_var_</a></div><div class="ttdeci">IntervalVar *const target_var_</div><div class="ttdef"><b>Definition:</b> <a href="sched__constraints_8cc_source.html#l00232">sched_constraints.cc:232</a></div></div>
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<div class="ttc" id="asearch_8cc_html_aea630e5fb2cf8a83bf43f5b43d187cda"><div class="ttname"><a href="search_8cc.html#aea630e5fb2cf8a83bf43f5b43d187cda">stamp_</a></div><div class="ttdeci">const int64_t stamp_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03105">search.cc:3105</a></div></div>
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<div class="ttc" id="asparse__submatrix_8cc_html_a4d53eac2ef2732c28fa9fb663e0c19a7"><div class="ttname"><a href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a></div><div class="ttdeci">std::optional< int64_t > end</div><div class="ttdef"><b>Definition:</b> <a href="sparse__submatrix_8cc_source.html#l00036">sparse_submatrix.cc:36</a></div></div>
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<div class="ttc" id="asparse__submatrix_8cc_html_a9b7656b922ea4ec96097d7380c0e61fe"><div class="ttname"><a href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a></div><div class="ttdeci">int64_t start</div><div class="ttdef"><b>Definition:</b> <a href="sparse__submatrix_8cc_source.html#l00035">sparse_submatrix.cc:35</a></div></div>
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<div class="ttc" id="astring__array_8h_html"><div class="ttname"><a href="string__array_8h.html">string_array.h</a></div></div>
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<div class="ttc" id="atuple__set_8h_html"><div class="ttname"><a href="tuple__set_8h.html">tuple_set.h</a></div></div>
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<div class="ttc" id="avariable__and__expressions_8cc_html_a98c17ae8d99a73259ea78de8c4b66254"><div class="ttname"><a href="variable__and__expressions_8cc.html#a98c17ae8d99a73259ea78de8c4b66254">constant</a></div><div class="ttdeci">const double constant</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8cc_source.html#l00140">variable_and_expressions.cc:140</a></div></div>
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