1302 lines
250 KiB
HTML
1302 lines
250 KiB
HTML
<!-- HTML header for doxygen 1.8.18-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.20"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>OR-Tools: var_domination.cc Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="resize.js"></script>
|
|
<script type="text/javascript" src="navtreedata.js"></script>
|
|
<script type="text/javascript" src="navtree.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="styleSheet.tmp.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectlogo"><img alt="Logo" src="orLogo.png"/></td>
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">OR-Tools
|
|
 <span id="projectnumber">8.1</span>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.20 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(document).ready(function(){initNavTree('var__domination_8cc_source.html',''); initResizable(); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">var_domination.cc</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="var__domination_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
|
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
|
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="var__domination_8h.html">ortools/sat/var_domination.h</a>"</span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="stl__util_8h.html">ortools/base/stl_util.h</a>"</span></div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>sat {</div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a60fd6d5f0e8bba9b7a51b86edb7dcf79"> 21</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a60fd6d5f0e8bba9b7a51b86edb7dcf79">VarDomination::Reset</a>(<span class="keywordtype">int</span> num_variables) {</div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  phase_ = 0;</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  num_vars_with_negation_ = 2 * num_variables;</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  partition_ = absl::make_unique<DynamicPartition>(num_vars_with_negation_);</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  can_freely_decrease_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a184fe69018ae421dcf31c964bfe40576">assign</a>(num_vars_with_negation_, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  shared_buffer_.clear();</div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  initial_candidates_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a184fe69018ae421dcf31c964bfe40576">assign</a>(num_vars_with_negation_, IntegerVariableSpan());</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  buffer_.clear();</div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  dominating_vars_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a184fe69018ae421dcf31c964bfe40576">assign</a>(num_vars_with_negation_, IntegerVariableSpan());</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  ct_index_for_signature_ = 0;</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  block_down_signatures_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a184fe69018ae421dcf31c964bfe40576">assign</a>(num_vars_with_negation_, 0);</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keywordtype">void</span> VarDomination::RefinePartition(std::vector<int>* vars) {</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (vars->empty()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  partition_->Refine(*vars);</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span>& <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : *vars) {</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">const</span> IntegerVariable wrapped(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  can_freely_decrease_[wrapped] = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  can_freely_decrease_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(wrapped)] = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(wrapped).value();</div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  partition_->Refine(*vars);</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> }</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3"> 50</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">VarDomination::CanOnlyDominateEachOther</a>(absl::Span<const int> refs) {</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (phase_ != 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  tmp_vars_.clear();</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : refs) {</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  tmp_vars_.push_back(<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">RefToIntegerVariable</a>(ref).<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>());</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  RefinePartition(&tmp_vars_);</div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  tmp_vars_.clear();</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> }</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a7b3e19ea0bc9643cd98679632fb72c13"> 60</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a7b3e19ea0bc9643cd98679632fb72c13">VarDomination::ActivityShouldNotChange</a>(absl::Span<const int> refs,</div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  absl::Span<const int64> coeffs) {</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (phase_ != 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  FillTempRanks(<span class="comment">/*reverse_references=*/</span><span class="keyword">false</span>, <span class="comment">/*enforcements=*/</span>{}, refs,</div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  coeffs);</div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  tmp_vars_.clear();</div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < tmp_ranks_.size(); ++i) {</div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (i > 0 && tmp_ranks_[i].rank != tmp_ranks_[i - 1].rank) {</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  RefinePartition(&tmp_vars_);</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  tmp_vars_.clear();</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  tmp_vars_.push_back(tmp_ranks_[i].<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value());</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  RefinePartition(&tmp_vars_);</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  tmp_vars_.clear();</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// This correspond to a lower bounded constraint.</span></div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">void</span> VarDomination::ProcessTempRanks() {</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (phase_ == 0) {</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// We actually "split" tmp_ranks_ according to the current partition and</span></div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// process each resulting list independently for a faster algo.</span></div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  ++ct_index_for_signature_;</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">for</span> (IntegerVariableWithRank& entry : tmp_ranks_) {</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  can_freely_decrease_[entry.var] = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  block_down_signatures_[entry.var] |= <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a>{1}</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  << (ct_index_for_signature_ % 64);</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  entry.part = partition_->PartOf(entry.var.value());</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  std::stable_sort(</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  tmp_ranks_.begin(), tmp_ranks_.end(),</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  [](<span class="keyword">const</span> IntegerVariableWithRank& <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <span class="keyword">const</span> IntegerVariableWithRank& <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>) {</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  return a.part < b.part;</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  });</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> start = 0;</div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < tmp_ranks_.size(); ++i) {</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (tmp_ranks_[i].part != tmp_ranks_[start].part) {</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Initialize({&tmp_ranks_[start], <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(i - start)});</div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  start = i;</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (start < tmp_ranks_.size()) {</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  Initialize({&tmp_ranks_[start], tmp_ranks_.size() - start});</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phase_ == 1) {</div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  FilterUsingTempRanks();</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// This is only used for debugging, and we shouldn't reach here in prod.</span></div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  CheckUsingTempRanks();</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a00174020e05dcb9b7b5270f5f99ef7ae"> 112</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a00174020e05dcb9b7b5270f5f99ef7ae">VarDomination::ActivityShouldNotDecrease</a>(</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  absl::Span<const int> enforcements, absl::Span<const int> refs,</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  absl::Span<const int64> coeffs) {</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  FillTempRanks(<span class="comment">/*reverse_references=*/</span><span class="keyword">false</span>, enforcements, refs, coeffs);</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  ProcessTempRanks();</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> }</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a3c403add1108067dbdbcf06bcc564086"> 119</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a3c403add1108067dbdbcf06bcc564086">VarDomination::ActivityShouldNotIncrease</a>(</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  absl::Span<const int> enforcements, absl::Span<const int> refs,</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  absl::Span<const int64> coeffs) {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  FillTempRanks(<span class="comment">/*reverse_references=*/</span><span class="keyword">true</span>, enforcements, refs, coeffs);</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ProcessTempRanks();</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keywordtype">void</span> VarDomination::MakeRankEqualToStartOfPart(</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  absl::Span<IntegerVariableWithRank> span) {</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = span.size();</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">int</span> start = 0;</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">int</span> previous_value = 0;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = span[i].rank;</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> != previous_value) {</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  previous_value = <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  start = i;</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  span[i].rank = start;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">void</span> VarDomination::Initialize(absl::Span<IntegerVariableWithRank> span) {</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// The rank can be wrong and need to be recomputed because of how we splitted</span></div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// tmp_ranks_ into spans.</span></div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  MakeRankEqualToStartOfPart(span);</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> future_start = shared_buffer_.size();</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">int</span> first_start = -1;</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// This is mainly to avoid corner case and hopefully, it should be big enough</span></div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// to not matter too much.</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kSizeThreshold = 1000;</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = span.size();</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(0, size - kSizeThreshold); i < size; ++i) {</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> IntegerVariableWithRank entry = span[i];</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_candidates = size - entry.rank;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> (num_candidates >= kSizeThreshold) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Compute size to beat.</span></div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> size_threshold = kSizeThreshold;</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// Take into account the current partition size.</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_part = partition_->PartOf(entry.var.value());</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> part_size = partition_->SizeOfPart(var_part);</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  size_threshold = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(size_threshold, part_size);</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Take into account our current best candidate if there is one.</span></div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> current_num_candidates = initial_candidates_[entry.var].<a class="code" href="classgtl_1_1_i_t_i_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>;</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (current_num_candidates != 0) {</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  size_threshold = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(size_threshold, current_num_candidates);</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (num_candidates < size_threshold) {</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (first_start == -1) first_start = entry.rank;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  initial_candidates_[entry.var] = {</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  future_start - first_start + <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(entry.rank),</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  num_candidates};</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Only store what is necessary.</span></div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (first_start == -1) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = first_start; i < size; ++i) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  shared_buffer_.push_back(span[i].<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment">// TODO(user): Use more heuristics to not miss as much dominance relation when</span></div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">// we crop initial lists.</span></div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a32332368969953470357bea5af9d60db"> 189</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a32332368969953470357bea5af9d60db">VarDomination::EndFirstPhase</a>() {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(phase_, 0);</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  phase_ = 1;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// Some initial lists ar too long and will be cropped to this size.</span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// We will handle them slightly differently.</span></div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// TODO(user): Tune the initial size, 50 might be a bit large, since our</span></div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// complexity is borned by this number times the number of entries in the</span></div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// constraints. Still we should in most situation be a lot lower than that.</span></div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kMaxInitialSize = 50;</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  std::vector<IntegerVariable> cropped_lists;</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector<IntegerVariable, bool></a> is_cropped(num_vars_with_negation_,</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// Fill the initial domination candidates.</span></div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars_with_negation_; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (can_freely_decrease_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> part = partition_->PartOf(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value());</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> part_size = partition_->SizeOfPart(part);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> start = buffer_.size();</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">int</span> new_size = 0;</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> var_sig = block_down_signatures_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> not_var_sig = block_down_signatures_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)];</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> stored_size = initial_candidates_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].<a class="code" href="classgtl_1_1_i_t_i_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (stored_size == 0 || part_size < stored_size) {</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// We start with the partition part.</span></div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// Note that all constraint will be filtered again in the second pass.</span></div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">int</span> num_tested = 0;</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : partition_->ElementsInPart(part)) {</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> IntegerVariable c = IntegerVariable(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// This is to limit the complexity to 1k * num_vars. We fill the list</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// with dummy node so that the heuristic below will fill it with</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// potential transpose candidates.</span></div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (++num_tested > 1000) {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  is_cropped[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  cropped_lists.push_back(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">int</span> extra = new_size;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">while</span> (extra < kMaxInitialSize) {</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  ++extra;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  buffer_.push_back(<a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>);</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">PositiveVariable</a>(c) == <a class="code" href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">PositiveVariable</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (can_freely_decrease_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(c)]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (var_sig & ~block_down_signatures_[c]) <span class="keywordflow">continue</span>; <span class="comment">// !included.</span></div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (block_down_signatures_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(c)] & ~not_var_sig) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  ++new_size;</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  buffer_.push_back(c);</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// We do not want too many candidates per variables.</span></div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">// TODO(user): randomize?</span></div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (new_size > kMaxInitialSize) {</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  is_cropped[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  cropped_lists.push_back(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// Copy the one that are in the same partition_ part.</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// TODO(user): This can be too long maybe? even if we have list of at</span></div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// most 1000 at this point, see InitializeUsingTempRanks().</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable c : InitialDominatingCandidates(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">PositiveVariable</a>(c) == <a class="code" href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">PositiveVariable</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (can_freely_decrease_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(c)]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (partition_->PartOf(c.value()) != part) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (var_sig & ~block_down_signatures_[c]) <span class="keywordflow">continue</span>; <span class="comment">// !included.</span></div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (block_down_signatures_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(c)] & ~not_var_sig) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  ++new_size;</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  buffer_.push_back(c);</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// We do not want too many candidates per variables.</span></div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// TODO(user): randomize?</span></div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">if</span> (new_size > kMaxInitialSize) {</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  is_cropped[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  cropped_lists.push_back(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  dominating_vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = {start, new_size};</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// Heuristic: To try not to remove domination relations corresponding to short</span></div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// lists during transposition (see EndSecondPhase()), we fill half of the</span></div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// cropped list with the transpose of the short list relations. This helps</span></div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// finding more relation in the presence of cropped lists.</span></div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : cropped_lists) {</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">if</span> (kMaxInitialSize / 2 < dominating_vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].size) {</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  dominating_vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].<a class="code" href="classgtl_1_1_i_t_i_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a> = kMaxInitialSize / 2; <span class="comment">// Restrict.</span></div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars_with_negation_; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span> (!is_cropped[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(dom)]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  IntegerVariableSpan& s = dominating_vars_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(dom)];</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">if</span> (s.size >= kMaxInitialSize) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  buffer_[s.start + s.size++] = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  }</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  </div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// Remove any duplicates.</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// TODO(user): Maybe we should do that with all lists in case the</span></div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// input function are called with duplicates too.</span></div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : cropped_lists) {</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">if</span> (!is_cropped[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  IntegerVariableSpan& s = dominating_vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  std::sort(&buffer_[s.start], &buffer_[s.start + s.size]);</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keyword">const</span> <span class="keyword">auto</span> p = std::unique(&buffer_[s.start], &buffer_[s.start + s.size]);</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  s.size = p - &buffer_[s.start];</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// We no longer need the first phase memory.</span></div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Num initial list that where cropped: "</span> << cropped_lists.size();</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Shared buffer size: "</span> << shared_buffer_.size();</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Buffer size: "</span> << buffer_.size();</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="namespacegtl.html#a92a0e7b0e74024284adc849a4499940f">gtl::STLClearObject</a>(&initial_candidates_);</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <a class="code" href="namespacegtl.html#a92a0e7b0e74024284adc849a4499940f">gtl::STLClearObject</a>(&shared_buffer_);</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> }</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  </div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a3bfa5866e3b1d860a23ca23c8c29fcdc"> 316</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a3bfa5866e3b1d860a23ca23c8c29fcdc">VarDomination::EndSecondPhase</a>() {</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(phase_, 1);</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  phase_ = 2;</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  </div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="comment">// Perform intersection with transpose.</span></div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  shared_buffer_.clear();</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  initial_candidates_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a184fe69018ae421dcf31c964bfe40576">assign</a>(num_vars_with_negation_, IntegerVariableSpan());</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  </div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// Pass 1: count.</span></div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars_with_negation_; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  ++initial_candidates_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(dom)].<a class="code" href="classgtl_1_1_i_t_i_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>;</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// Pass 2: compute starts.</span></div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordtype">int</span> start = 0;</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars_with_negation_; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  initial_candidates_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].start = start;</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  start += initial_candidates_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].<a class="code" href="classgtl_1_1_i_t_i_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>;</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  initial_candidates_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].<a class="code" href="classgtl_1_1_i_t_i_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a> = 0;</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  shared_buffer_.resize(start);</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  </div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// Pass 3: transpose.</span></div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars_with_negation_; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  IntegerVariableSpan& span = initial_candidates_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(dom)];</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  shared_buffer_[span.start + span.size++] = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// Pass 4: intersect.</span></div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordtype">int</span> num_removed = 0;</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  tmp_var_to_rank_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(num_vars_with_negation_, -1);</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars_with_negation_; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : InitialDominatingCandidates(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  tmp_var_to_rank_[dom] = 1;</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  </div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordtype">int</span> new_size = 0;</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  IntegerVariableSpan& span = dominating_vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">if</span> (tmp_var_to_rank_[dom] != 1) {</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  ++num_removed;</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  buffer_[span.start + new_size++] = dom;</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  }</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  span.size = new_size;</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : InitialDominatingCandidates(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  tmp_var_to_rank_[dom] = -1;</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  }</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  </div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Transpose removed "</span> << num_removed;</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <a class="code" href="namespacegtl.html#a92a0e7b0e74024284adc849a4499940f">gtl::STLClearObject</a>(&initial_candidates_);</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="namespacegtl.html#a92a0e7b0e74024284adc849a4499940f">gtl::STLClearObject</a>(&shared_buffer_);</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> }</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  </div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="keywordtype">void</span> VarDomination::FillTempRanks(<span class="keywordtype">bool</span> reverse_references,</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  absl::Span<const int> enforcements,</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  absl::Span<const int> refs,</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  absl::Span<const int64> coeffs) {</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  tmp_ranks_.clear();</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (coeffs.empty()) {</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="comment">// Simple case: all coefficients are assumed to be the same.</span></div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : refs) {</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> =</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">RefToIntegerVariable</a>(reverse_references ? <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref) : ref);</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  tmp_ranks_.push_back({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, 0, 0});</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">// Complex case: different coefficients.</span></div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < refs.size(); ++i) {</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">if</span> (coeffs[i] == 0) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">RefToIntegerVariable</a>(</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  reverse_references ? <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(refs[i]) : refs[i]);</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (coeffs[i] > 0) {</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  tmp_ranks_.push_back({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, 0, coeffs[i]});</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  tmp_ranks_.push_back({<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), 0, -coeffs[i]});</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  }</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  std::sort(tmp_ranks_.begin(), tmp_ranks_.end());</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  MakeRankEqualToStartOfPart({&tmp_ranks_[0], tmp_ranks_.size()});</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  </div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">// Add the enforcement last with a new rank. We add their negation since</span></div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">// we want the activity to not decrease, and we want to allow any</span></div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="comment">// enforcement-- to dominate a variable in the constraint.</span></div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> enforcement_rank = tmp_ranks_.size();</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : enforcements) {</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  tmp_ranks_.push_back(</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">RefToIntegerVariable</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref)), 0, enforcement_rank});</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> }</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// We take the intersection of the current dominating candidate with the</span></div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment">// restriction imposed by the current content of tmp_ranks_.</span></div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="keywordtype">void</span> VarDomination::FilterUsingTempRanks() {</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">// Expand ranks in temp vector.</span></div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  tmp_var_to_rank_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(num_vars_with_negation_, -1);</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableWithRank entry : tmp_ranks_) {</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  tmp_var_to_rank_[entry.var] = entry.rank;</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">// The activity of the variable in tmp_rank must not decrease.</span></div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableWithRank entry : tmp_ranks_) {</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="comment">// The only variables that can be paired with a var-- in the constriants are</span></div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">// the var++ in the constraints with the same rank or higher.</span></div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">// Note that we only filter the var-- domination lists here, we do not</span></div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">// remove the var-- appearing in all the lists corresponding to wrong var++.</span></div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="comment">// This is left to the tranpose operation in EndSecondPhase().</span></div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  {</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  IntegerVariableSpan& span = dominating_vars_[entry.var];</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> (span.size == 0) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordtype">int</span> new_size = 0;</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable candidate : <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(entry.var)) {</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (tmp_var_to_rank_[candidate] < entry.rank) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  buffer_[span.start + new_size++] = candidate;</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  span.size = new_size;</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  </div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">// Reset temporary vector to all -1.</span></div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableWithRank entry : tmp_ranks_) {</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  tmp_var_to_rank_[entry.var] = -1;</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  }</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> }</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  </div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment">// Slow: This is for debugging only.</span></div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="keywordtype">void</span> VarDomination::CheckUsingTempRanks() {</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  tmp_var_to_rank_.<a class="code" href="classgtl_1_1_i_t_i_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(num_vars_with_negation_, -1);</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableWithRank entry : tmp_ranks_) {</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  tmp_var_to_rank_[entry.var] = entry.rank;</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  </div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="comment">// The activity of the variable in tmp_rank must not decrease.</span></div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">for</span> (IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars_with_negation_; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_rank = tmp_var_to_rank_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> negated_var_rank = tmp_var_to_rank_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)];</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!can_freely_decrease_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(dom)]);</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">// Doing X--, Y++ is compatible if the rank[X] <= rank[Y]. But we also</span></div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="comment">// need to check if doing Not(Y)-- is compatible with Not(X)++.</span></div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(var_rank, tmp_var_to_rank_[dom]);</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(tmp_var_to_rank_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(dom)], negated_var_rank);</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  }</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  }</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  </div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableWithRank entry : tmp_ranks_) {</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  tmp_var_to_rank_[entry.var] = -1;</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> }</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  </div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a389ac04ee9f0eddeadb87a8ef5af6dad"> 476</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a389ac04ee9f0eddeadb87a8ef5af6dad">VarDomination::CanFreelyDecrease</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a389ac04ee9f0eddeadb87a8ef5af6dad">CanFreelyDecrease</a>(<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">RefToIntegerVariable</a>(ref));</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> }</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  </div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a0655355d0154d230a263d3fa42ce7ca8"> 480</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a389ac04ee9f0eddeadb87a8ef5af6dad">VarDomination::CanFreelyDecrease</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">return</span> can_freely_decrease_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> }</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  </div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> absl::Span<const IntegerVariable> VarDomination::InitialDominatingCandidates(</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keyword">const</span> IntegerVariableSpan span = initial_candidates_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">if</span> (span.size == 0) <span class="keywordflow">return</span> absl::Span<const IntegerVariable>();</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">return</span> absl::Span<const IntegerVariable>(&shared_buffer_[span.start],</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  span.size);</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> }</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  </div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b"> 492</a></span> absl::Span<const IntegerVariable> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">VarDomination::DominatingVariables</a>(</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">RefToIntegerVariable</a>(ref));</div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> }</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  </div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#a7869ee8fc7582b79ea9266dec2cd909d"> 497</a></span> absl::Span<const IntegerVariable> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">VarDomination::DominatingVariables</a>(</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keyword">const</span> IntegerVariableSpan span = dominating_vars_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">if</span> (span.size == 0) <span class="keywordflow">return</span> absl::Span<const IntegerVariable>();</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">return</span> absl::Span<const IntegerVariable>(&buffer_[span.start], span.size);</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> }</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  </div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_var_domination.html#abac7359a6d4028ceb620882c963abbd5"> 504</a></span> std::string <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#abac7359a6d4028ceb620882c963abbd5">VarDomination::DominationDebugString</a>(IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a4e3d2a5f5d96d1c22e6e0744a9b8db05">IntegerVariableToRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  std::string result =</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  absl::StrCat(<a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref), <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? <span class="stringliteral">"--"</span> : <span class="stringliteral">"++"</span>, <span class="stringliteral">" : "</span>);</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom : <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> dom_ref = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a4e3d2a5f5d96d1c22e6e0744a9b8db05">IntegerVariableToRef</a>(dom);</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  absl::StrAppend(&result, <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(dom_ref),</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(dom_ref) ? <span class="stringliteral">"++"</span> : <span class="stringliteral">"--"</span>, <span class="stringliteral">" "</span>);</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  }</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> }</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  </div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#aa59de7559331f128a4eb2c5f3d1fce86"> 516</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#aa59de7559331f128a4eb2c5f3d1fce86">DualBoundStrengthening::CannotDecrease</a>(absl::Span<const int> refs) {</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : refs) {</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = RefToIntegerVariable(ref);</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  can_freely_decrease_until_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>;</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  }</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> }</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  </div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a97559debfe845036698973f65024241b"> 523</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a97559debfe845036698973f65024241b">DualBoundStrengthening::CannotIncrease</a>(absl::Span<const int> refs) {</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : refs) {</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = RefToIntegerVariable(ref);</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  can_freely_decrease_until_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)] = <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>;</div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  }</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> }</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  </div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a9ecedf5a2848b791246943eac3c970bd"> 530</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a9ecedf5a2848b791246943eac3c970bd">DualBoundStrengthening::CannotMove</a>(absl::Span<const int> refs) {</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : refs) {</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = RefToIntegerVariable(ref);</div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  can_freely_decrease_until_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>;</div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  can_freely_decrease_until_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)] = <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>;</div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  }</div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> }</div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  </div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="keyword">template</span> <<span class="keyword">typename</span> LinearProto></div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#ab14596ec39167d71f8789daa27ca7ef2"> 539</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#ab14596ec39167d71f8789daa27ca7ef2">DualBoundStrengthening::ProcessLinearConstraint</a>(</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordtype">bool</span> is_objective, <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keyword">const</span> LinearProto& linear, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_activity, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_activity) {</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> lb_limit = linear.domain(linear.domain_size() - 2);</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ub_limit = linear.domain(1);</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_terms = linear.vars_size();</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_terms; ++i) {</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordtype">int</span> ref = linear.vars(i);</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = linear.coeffs(i);</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">if</span> (coeff < 0) {</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  ref = <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref);</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  coeff = -coeff;</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  }</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  </div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_term = coeff * <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.MinOf(ref);</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_term = coeff * <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.MaxOf(ref);</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> term_diff = max_term - min_term;</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = RefToIntegerVariable(ref);</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  </div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">// lb side.</span></div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">if</span> (min_activity < lb_limit) {</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">if</span> (min_activity + term_diff < lb_limit) {</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  can_freely_decrease_until_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>;</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keyword">const</span> IntegerValue slack(lb_limit - min_activity);</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keyword">const</span> IntegerValue var_diff =</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a29b96869d2a821cf1d2e6099e7a0f51b">CeilRatio</a>(IntegerValue(slack), IntegerValue(coeff));</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  can_freely_decrease_until_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] =</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(can_freely_decrease_until_[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>],</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  IntegerValue(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.MinOf(ref)) + var_diff);</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  </div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">if</span> (is_objective) {</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="comment">// We never want to increase the objective value.</span></div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  can_freely_decrease_until_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)] = <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>;</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  }</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  </div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="comment">// ub side.</span></div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">if</span> (max_activity > ub_limit) {</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">if</span> (max_activity - term_diff > ub_limit) {</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  can_freely_decrease_until_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)] = <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>;</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keyword">const</span> IntegerValue slack(max_activity - ub_limit);</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="keyword">const</span> IntegerValue var_diff =</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a29b96869d2a821cf1d2e6099e7a0f51b">CeilRatio</a>(IntegerValue(slack), IntegerValue(coeff));</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  can_freely_decrease_until_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)] =</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(can_freely_decrease_until_[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)],</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  -IntegerValue(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.MaxOf(ref)) + var_diff);</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  }</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  }</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  }</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> }</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  </div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a48e1c2fbd4e1fe926ce841260ac8ba43"> 594</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a48e1c2fbd4e1fe926ce841260ac8ba43">DualBoundStrengthening::Strengthen</a>(<a class="code" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>* <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keyword">const</span> CpModelProto& cp_model = *<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model;</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = cp_model.variables_size();</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = 0; <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  </div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="comment">// Fix to lb?</span></div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> lb = <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MinOf(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ub_limit = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(lb, <a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a371b965e1bac74fc37e26513ff63c03b">CanFreelyDecreaseUntil</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keywordflow">if</span> (ub_limit == lb) {</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"dual: fix variable"</span>);</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(lb)));</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  }</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  </div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">// Fix to ub?</span></div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ub = <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MaxOf(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> lb_limit =</div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(ub, -<a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a371b965e1bac74fc37e26513ff63c03b">CanFreelyDecreaseUntil</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)));</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordflow">if</span> (lb_limit == ub) {</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"dual: fix variable"</span>);</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(ub)));</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  }</div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  </div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="comment">// Here we can fix to any value in [ub_limit, lb_limit] that is compatible</span></div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// with the current domain. We prefer zero or the lowest possible magnitude.</span></div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">if</span> (lb_limit > ub_limit) {</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a> domain =</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).IntersectionWith(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(ub_limit, lb_limit));</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordflow">if</span> (!domain.<a class="code" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>()) {</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = domain.<a class="code" href="classoperations__research_1_1_domain.html#ab5228a93ebd3b866fc792ad8e5fe8fdc">Contains</a>(0) ? 0 : domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>();</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> != 0) {</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> : domain.<a class="code" href="classoperations__research_1_1_domain.html#a8c44a09364007a0ef983dc4f85766b28">FlattenedIntervals</a>()) {</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">if</span> (std::abs(<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>) < std::abs(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>)) <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>;</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  }</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  }</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"dual: fix variable with multiple choices"</span>);</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>)));</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  }</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  }</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  </div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="comment">// Here we can reduce the domain, but we must be careful when the domain</span></div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="comment">// has holes.</span></div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">if</span> (lb_limit > lb || ub_limit < ub) {</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_ub =</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  ub_limit < ub ? <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  .IntersectionWith(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(ub_limit, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>))</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  .Min()</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  : ub;</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_lb =</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  lb_limit > lb ? <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  .IntersectionWith(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>, lb_limit))</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  .Max()</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  : lb;</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"dual: reduced domain"</span>);</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(new_lb, new_ub)));</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  }</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> }</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  </div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  </div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> <span class="comment">// TODO(user): Maybe we should avoid recomputing that here.</span></div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="keyword">template</span> <<span class="keyword">typename</span> LinearExprProto></div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="keywordtype">void</span> FillMinMaxActivity(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>,</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keyword">const</span> LinearExprProto& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* min_activity,</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* max_activity) {</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  *min_activity = 0;</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  *max_activity = 0;</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.vars().size();</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a> = <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.coeffs(i) * <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.MinOf(<a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.vars(i));</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> = <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.coeffs(i) * <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.MaxOf(<a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.vars(i));</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  *min_activity += <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>);</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  *max_activity += <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>);</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  }</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> }</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  </div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  </div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a747d1194d3ad5967b690d046ebb0c2eb"> 677</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a747d1194d3ad5967b690d046ebb0c2eb">DetectDominanceRelations</a>(</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>& <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html">VarDomination</a>* var_domination,</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html">DualBoundStrengthening</a>* dual_bound_strengthening) {</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keyword">const</span> CpModelProto& cp_model = *<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.working_model;</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = cp_model.variables().size();</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a60fd6d5f0e8bba9b7a51b86edb7dcf79">Reset</a>(num_vars);</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a60fd6d5f0e8bba9b7a51b86edb7dcf79">Reset</a>(num_vars);</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  </div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_activity = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_activity = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  </div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = 0; <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="comment">// Deal with the affine relations that are not part of the proto.</span></div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="comment">// Those only need to be processed in the first pass.</span></div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="comment">// TODO(user): This is not ideal since if only the representative is still</span></div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="comment">// used, we shouldn't restrict any dominance relation involving it.</span></div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.GetAffineRelation(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">if</span> (r.<a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> != <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a9ecedf5a2848b791246943eac3c970bd">CannotMove</a>({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, r.<a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>});</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="keywordflow">if</span> (r.<a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a03e44d5423c90c458e450c3230d71045">coeff</a> == 1) {</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">CanOnlyDominateEachOther</a>(</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  {<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), r.<a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>});</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r.<a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a03e44d5423c90c458e450c3230d71045">coeff</a> == -1) {</div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">CanOnlyDominateEachOther</a>({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, r.<a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>});</div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">CanOnlyDominateEachOther</a>({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>});</div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">CanOnlyDominateEachOther</a>({r.<a class="code" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>});</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  }</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  }</div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  </div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="comment">// Also ignore variables that have been substitued already or are unused.</span></div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.IsFixed(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) || <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.VariableWasRemoved(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) ||</div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.VariableIsNotUsedAnymore(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a9ecedf5a2848b791246943eac3c970bd">CannotMove</a>({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>});</div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">CanOnlyDominateEachOther</a>({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>});</div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  }</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  }</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  </div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">// TODO(user): Benchmark and experiment with 3 phases algo:</span></div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="comment">// - Only ActivityShouldNotChange()/CanOnlyDominateEachOther().</span></div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="comment">// - The other cases once.</span></div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="comment">// - EndFirstPhase() and then the other cases a second time.</span></div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  std::vector<int> tmp;</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_constraints = cp_model.constraints_size();</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> = 0; <a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> < 2; <a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a>++) {</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < num_constraints; ++c) {</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model.constraints(c);</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) {</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a97559debfe845036698973f65024241b">CannotIncrease</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal());</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  }</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="keywordflow">switch</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) {</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">case</span> ConstraintProto::kBoolOr:</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) {</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#aa59de7559331f128a4eb2c5f3d1fce86">CannotDecrease</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals());</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  }</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a00174020e05dcb9b7b5270f5f99ef7ae">ActivityShouldNotDecrease</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(),</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals(),</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="comment">/*coeffs=*/</span>{});</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keywordflow">case</span> ConstraintProto::kBoolAnd:</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) {</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#aa59de7559331f128a4eb2c5f3d1fce86">CannotDecrease</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals());</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  }</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  </div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="comment">// We process it like n clauses.</span></div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="comment">// TODO(user): the way we process that is a bit restrictive. By</span></div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="comment">// working on the implication graph we could detect more dominance</span></div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="comment">// relations. Since if a => b we say that a++ can only be paired with</span></div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="comment">// b--, but it could actually be paired with any variables that when</span></div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="comment">// dereased implies b = 0. This is a bit mitigated by the fact that</span></div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="comment">// we regroup when we can such implications into big at most ones.</span></div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  tmp.clear();</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal()) {</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  tmp.push_back(<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref));</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  }</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  tmp.push_back(ref);</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a00174020e05dcb9b7b5270f5f99ef7ae">ActivityShouldNotDecrease</a>(<span class="comment">/*enforcements=*/</span>{}, tmp,</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="comment">/*coeffs=*/</span>{});</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  tmp.pop_back();</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  }</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keywordflow">case</span> ConstraintProto::kAtMostOne:</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) {</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a97559debfe845036698973f65024241b">CannotIncrease</a>(</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.at_most_one().literals());</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  }</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a3c403add1108067dbdbcf06bcc564086">ActivityShouldNotIncrease</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(),</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.at_most_one().literals(),</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="comment">/*coeffs=*/</span>{});</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="keywordflow">case</span> ConstraintProto::kLinear: {</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  FillMinMaxActivity(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear(), &min_activity,</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  &max_activity);</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) {</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#ab14596ec39167d71f8789daa27ca7ef2">ProcessLinearConstraint</a>(</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keyword">false</span>, <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear(), min_activity, max_activity);</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  }</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> domain_is_simple = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().domain().size() == 2;</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> free_to_increase =</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  domain_is_simple && <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().domain(1) >= max_activity;</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> free_to_decrease =</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  domain_is_simple && <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().domain(0) <= min_activity;</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keywordflow">if</span> (free_to_decrease && free_to_increase) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <span class="keywordflow">if</span> (free_to_increase) {</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a00174020e05dcb9b7b5270f5f99ef7ae">ActivityShouldNotDecrease</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(),</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars(),</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().coeffs());</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (free_to_decrease) {</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a3c403add1108067dbdbcf06bcc564086">ActivityShouldNotIncrease</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(),</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars(),</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().coeffs());</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="comment">// TODO(user): Handle enforcement better here.</span></div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keywordflow">if</span> (!<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal().empty()) {</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a3c403add1108067dbdbcf06bcc564086">ActivityShouldNotIncrease</a>(</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="comment">/*enforcements=*/</span>{}, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(), <span class="comment">/*coeffs=*/</span>{});</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  }</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a7b3e19ea0bc9643cd98679632fb72c13">ActivityShouldNotChange</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars(),</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().coeffs());</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  }</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  }</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="comment">// We cannot infer anything if we don't know the constraint.</span></div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="comment">// TODO(user): Handle enforcement better here.</span></div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) {</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a9ecedf5a2848b791246943eac3c970bd">CannotMove</a>(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.ConstraintToVars(c));</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  }</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.ConstraintToVars(c)) {</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">CanOnlyDominateEachOther</a>({<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>});</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  }</div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  }</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  }</div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  </div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="comment">// The objective is handled like a <= constraints, or an == constraint if</span></div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="comment">// there is a non-trivial domain.</span></div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">if</span> (cp_model.has_objective()) {</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="comment">// WARNING: The proto objective might not be up to date, so we need to</span></div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="comment">// write it first.</span></div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.WriteObjectiveToProto();</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  FillMinMaxActivity(<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, cp_model.objective(), &min_activity,</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  &max_activity);</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  dual_bound_strengthening-><a class="code" href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#ab14596ec39167d71f8789daa27ca7ef2">ProcessLinearConstraint</a>(</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keyword">true</span>, <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, cp_model.objective(), min_activity, max_activity);</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& domain = cp_model.objective().domain();</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordflow">if</span> (domain.empty() || (domain.size() == 2 && domain[0] <= min_activity)) {</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a3c403add1108067dbdbcf06bcc564086">ActivityShouldNotIncrease</a>(</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="comment">/*enforcements=*/</span>{}, cp_model.objective().vars(),</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  cp_model.objective().coeffs());</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a7b3e19ea0bc9643cd98679632fb72c13">ActivityShouldNotChange</a>(cp_model.objective().vars(),</div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  cp_model.objective().coeffs());</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  }</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  }</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  </div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 0) var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a32332368969953470357bea5af9d60db">EndFirstPhase</a>();</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">if</span> (<a class="code" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a> == 1) var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a3bfa5866e3b1d860a23ca23c8c29fcdc">EndSecondPhase</a>();</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  }</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  </div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="comment">// Some statistics.</span></div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_unconstrained_refs = 0;</div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_dominated_refs = 0;</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_dominance_relations = 0;</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = 0; <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.IsFixed(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  </div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : {<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)}) {</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="keywordflow">if</span> (var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a389ac04ee9f0eddeadb87a8ef5af6dad">CanFreelyDecrease</a>(ref)) {</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  num_unconstrained_refs++;</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(ref).empty()) {</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  num_dominated_refs++;</div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  num_dominance_relations +=</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  var_domination-><a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(ref).size();</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  }</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  }</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  }</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordflow">if</span> (num_unconstrained_refs == 0 && num_dominated_refs == 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Dominance:"</span></div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  << <span class="stringliteral">" num_unconstrained_refs="</span> << num_unconstrained_refs</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  << <span class="stringliteral">" num_dominated_refs="</span> << num_dominated_refs</div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  << <span class="stringliteral">" num_dominance_relations="</span> << num_dominance_relations;</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> }</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  </div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#ad9fac07c1db385b6e80e268c0a2109d3"> 864</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research_1_1sat.html#ad9fac07c1db385b6e80e268c0a2109d3">ExploitDominanceRelations</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html">VarDomination</a>& var_domination,</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <a class="code" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>* <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keyword">const</span> CpModelProto& cp_model = *<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model;</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = cp_model.variables_size();</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  </div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="comment">// Abort early if there is nothing to do.</span></div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordtype">bool</span> work_to_do = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = 0; <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars; ++<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keywordflow">if</span> (!var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).empty() ||</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  !var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)).empty()) {</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  work_to_do = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  }</div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  }</div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">if</span> (!work_to_do) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  </div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <a class="code" href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector<IntegerVariable, int64></a> var_lb_to_ub_diff(num_vars * 2, 0);</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <a class="code" href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector<IntegerVariable, bool></a> in_constraints(num_vars * 2, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  </div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_constraints = cp_model.constraints_size();</div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < num_constraints; ++c) {</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model.constraints(c);</div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  </div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::kBoolAnd) {</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal().size() != 1) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a> = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(0);</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  </div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <span class="comment">// If (a--, b--) is valid, we can always set a to false.</span></div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable ivar :</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>)) {</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a4e3d2a5f5d96d1c22e6e0744a9b8db05">VarDomination::IntegerVariableToRef</a>(ivar);</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="keywordflow">if</span> (ref == <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>)) {</div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"domination: in implication"</span>);</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->SetLiteralToFalse(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  }</div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  }</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>)) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  </div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="comment">// If (b++, a++) is valid, then we can always set b to true.</span></div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable ivar :</div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>))) {</div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a4e3d2a5f5d96d1c22e6e0744a9b8db05">VarDomination::IntegerVariableToRef</a>(ivar);</div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordflow">if</span> (ref == <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>) {</div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"domination: in implication"</span>);</div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->SetLiteralToTrue(<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  }</div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  }</div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  }</div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  }</div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  </div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="keywordflow">if</span> (!<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal().empty()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  </div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::kAtMostOne) {</div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.at_most_one().literals()) {</div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  in_constraints[<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">VarDomination::RefToIntegerVariable</a>(ref)] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  }</div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.at_most_one().literals()) {</div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(ref)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  </div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="keyword">const</span> <span class="keyword">auto</span> dominating_ivars = var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(ref);</div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <span class="keywordflow">if</span> (dominating_ivars.empty()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable ivar : dominating_ivars) {</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="keywordflow">if</span> (!in_constraints[ivar]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a4e3d2a5f5d96d1c22e6e0744a9b8db05">VarDomination::IntegerVariableToRef</a>(ivar))) {</div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  }</div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  </div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <span class="comment">// We can set the dominated variable to false.</span></div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"domination: in at most one"</span>);</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->SetLiteralToFalse(ref)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  }</div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  }</div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.at_most_one().literals()) {</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  in_constraints[<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">VarDomination::RefToIntegerVariable</a>(ref)] = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  }</div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  }</div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  </div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() != ConstraintProto::kLinear) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  </div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="keywordtype">int</span> num_dominated = 0;</div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ConstraintToVars(c)) {</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  <span class="keywordflow">if</span> (!var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).empty()) ++num_dominated;</div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="keywordflow">if</span> (!var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)).empty()) {</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  ++num_dominated;</div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  }</div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  }</div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="keywordflow">if</span> (num_dominated == 0) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  </div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="comment">// Precompute.</span></div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_activity = 0;</div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_activity = 0;</div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_terms = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size();</div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_terms; ++i) {</div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordtype">int</span> ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars(i);</div>
|
|
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().coeffs(i);</div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <span class="keywordflow">if</span> (coeff < 0) {</div>
|
|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  ref = <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref);</div>
|
|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  coeff = -coeff;</div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  }</div>
|
|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_term = coeff * <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MinOf(ref);</div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_term = coeff * <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MaxOf(ref);</div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  min_activity += min_term;</div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  max_activity += max_term;</div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <span class="keyword">const</span> IntegerVariable ivar = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">VarDomination::RefToIntegerVariable</a>(ref);</div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  var_lb_to_ub_diff[ivar] = max_term - min_term;</div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  var_lb_to_ub_diff[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(ivar)] = min_term - max_term;</div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  }</div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> rhs_lb = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().domain(0);</div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> rhs_ub = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().domain(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().domain_size() - 1);</div>
|
|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  <span class="keywordflow">if</span> (max_activity < rhs_lb || min_activity > rhs_ub) {</div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">return</span> <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat(<span class="stringliteral">"linear equation unsat."</span>);</div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  }</div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  </div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <span class="comment">// Look for dominated var.</span></div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_terms; ++i) {</div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars(i);</div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().coeffs(i);</div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="revised__simplex_8cc.html#a773239be94b6b64ba8fa2367b86776be">coeff_magnitude</a> = std::abs(coeff);</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(ref)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  </div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> current_ref : {ref, <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref)}) {</div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="keyword">const</span> absl::Span<const IntegerVariable> dominated_by =</div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(current_ref);</div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  <span class="keywordflow">if</span> (dominated_by.empty()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  </div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> ub_side = (coeff > 0) == (current_ref == ref);</div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  <span class="keywordflow">if</span> (ub_side) {</div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="keywordflow">if</span> (max_activity <= rhs_ub) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  <span class="keywordflow">if</span> (min_activity >= rhs_lb) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  }</div>
|
|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> slack =</div>
|
|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  ub_side ? rhs_ub - min_activity : max_activity - rhs_lb;</div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  </div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="comment">// Compute the delta in activity if all dominating var moves to their</span></div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="comment">// other bound.</span></div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> = 0;</div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable ivar : dominated_by) {</div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="keywordflow">if</span> (ub_side) {</div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> += <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>{0}, var_lb_to_ub_diff[ivar]);</div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> += <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>{0}, -var_lb_to_ub_diff[ivar]);</div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  }</div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  }</div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  </div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> lb = <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MinOf(current_ref);</div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> + <a class="code" href="revised__simplex_8cc.html#a773239be94b6b64ba8fa2367b86776be">coeff_magnitude</a> > slack) {</div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"domination: fixed to lb."</span>);</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(current_ref, <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(lb))) {</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  }</div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  </div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <span class="comment">// We need to update the precomputed quantities.</span></div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  <span class="keyword">const</span> IntegerVariable current_var =</div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">VarDomination::RefToIntegerVariable</a>(current_ref);</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="keywordflow">if</span> (ub_side) {</div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(var_lb_to_ub_diff[current_var], 0);</div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  max_activity -= var_lb_to_ub_diff[current_var];</div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(var_lb_to_ub_diff[current_var], 0);</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  min_activity -= var_lb_to_ub_diff[current_var];</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  }</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  var_lb_to_ub_diff[current_var] = 0;</div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  var_lb_to_ub_diff[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(current_var)] = 0;</div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  </div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  }</div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  </div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  <span class="keyword">const</span> IntegerValue diff = <a class="code" href="namespaceoperations__research_1_1sat.html#a07823d046b027c81155f8a2f322cf813">FloorRatio</a>(IntegerValue(slack - <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>),</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  IntegerValue(<a class="code" href="revised__simplex_8cc.html#a773239be94b6b64ba8fa2367b86776be">coeff_magnitude</a>));</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_ub = lb + diff.value();</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <span class="keywordflow">if</span> (new_ub < context->MaxOf(current_ref)) {</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"domination: reduced ub."</span>);</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(current_ref, <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(lb, new_ub))) {</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  }</div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  </div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  <span class="comment">// We need to update the precomputed quantities.</span></div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  <span class="keyword">const</span> IntegerVariable current_var =</div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">VarDomination::RefToIntegerVariable</a>(current_ref);</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="keywordflow">if</span> (ub_side) {</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(var_lb_to_ub_diff[current_var], 0);</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  max_activity -= var_lb_to_ub_diff[current_var];</div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(var_lb_to_ub_diff[current_var], 0);</div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  min_activity -= var_lb_to_ub_diff[current_var];</div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  }</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_diff = std::abs(<a class="code" href="revised__simplex_8cc.html#a773239be94b6b64ba8fa2367b86776be">coeff_magnitude</a> * (new_ub - lb));</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="keywordflow">if</span> (ub_side) {</div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  var_lb_to_ub_diff[current_var] = new_diff;</div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  var_lb_to_ub_diff[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(current_var)] = -new_diff;</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  max_activity += new_diff;</div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  var_lb_to_ub_diff[current_var] = -new_diff;</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  var_lb_to_ub_diff[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(current_var)] = +new_diff;</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  min_activity -= new_diff;</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  }</div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  }</div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  }</div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  }</div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  </div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="comment">// Restore.</span></div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars()) {</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="keyword">const</span> IntegerVariable ivar = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">VarDomination::RefToIntegerVariable</a>(ref);</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  var_lb_to_ub_diff[ivar] = 0;</div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  var_lb_to_ub_diff[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(ivar)] = 0;</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  }</div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  }</div>
|
|
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  </div>
|
|
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="comment">// For any dominance relation still left (i.e. between non-fixed vars), if</span></div>
|
|
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <span class="comment">// the variable are Boolean and X is dominated by Y, we can add</span></div>
|
|
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <span class="comment">// (X == 1) => (Y = 1). But, as soon as we do that, we break some symmetry</span></div>
|
|
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <span class="comment">// and cannot add any incompatible relations.</span></div>
|
|
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="comment">// EX: It is possible that X dominate Y and Y dominate X if they are both</span></div>
|
|
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <span class="comment">// appearing in exactly the same constraint with the same coefficient.</span></div>
|
|
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="comment">// TODO(user): generalize to non Booleans?</span></div>
|
|
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  <span class="comment">// TODO(user): We always keep adding the same relations. Do that only once!</span></div>
|
|
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <span class="keywordtype">int</span> num_added = 0;</div>
|
|
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  <a class="code" href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector<IntegerVariable, bool></a> increase_is_forbidden(2 * num_vars,</div>
|
|
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> positive_ref = 0; positive_ref < num_vars; ++positive_ref) {</div>
|
|
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(positive_ref)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->CanBeUsedAsLiteral(positive_ref)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : {positive_ref, <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(positive_ref)}) {</div>
|
|
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">VarDomination::RefToIntegerVariable</a>(ref);</div>
|
|
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  <span class="keywordflow">if</span> (increase_is_forbidden[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable dom :</div>
|
|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  var_domination.<a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">DominatingVariables</a>(ref)) {</div>
|
|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <span class="keywordflow">if</span> (increase_is_forbidden[dom]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> dom_ref = <a class="code" href="classoperations__research_1_1sat_1_1_var_domination.html#a4e3d2a5f5d96d1c22e6e0744a9b8db05">VarDomination::IntegerVariableToRef</a>(dom);</div>
|
|
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(dom_ref)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->CanBeUsedAsLiteral(dom_ref)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  ++num_added;</div>
|
|
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->AddImplication(ref, dom_ref);</div>
|
|
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  </div>
|
|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="comment">// dom-- or var++ are now forbidden.</span></div>
|
|
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  increase_is_forbidden[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  increase_is_forbidden[<a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(dom)] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  }</div>
|
|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  }</div>
|
|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  }</div>
|
|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="keywordflow">if</span> (num_added > 0) {</div>
|
|
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Added "</span> << num_added << <span class="stringliteral">" domination implications."</span>;</div>
|
|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateNewConstraintsVariableUsage();</div>
|
|
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"domination: added implications"</span>, num_added);</div>
|
|
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  }</div>
|
|
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  </div>
|
|
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span> }</div>
|
|
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  </div>
|
|
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span> } <span class="comment">// namespace sat</span></div>
|
|
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> } <span class="comment">// namespace operations_research</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<div class="ttc" id="astructoperations__research_1_1_affine_relation_1_1_relation_html_a03e44d5423c90c458e450c3230d71045"><div class="ttname"><a href="structoperations__research_1_1_affine_relation_1_1_relation.html#a03e44d5423c90c458e450c3230d71045">operations_research::AffineRelation::Relation::coeff</a></div><div class="ttdeci">int64 coeff</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00078">affine_relation.h:78</a></div></div>
|
|
<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01858">expr_array.cc:1858</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html_a97559debfe845036698973f65024241b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a97559debfe845036698973f65024241b">operations_research::sat::DualBoundStrengthening::CannotIncrease</a></div><div class="ttdeci">void CannotIncrease(absl::Span< const int > refs)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00523">var_domination.cc:523</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html_a48e1c2fbd4e1fe926ce841260ac8ba43"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a48e1c2fbd4e1fe926ce841260ac8ba43">operations_research::sat::DualBoundStrengthening::Strengthen</a></div><div class="ttdeci">bool Strengthen(PresolveContext *context)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00594">var_domination.cc:594</a></div></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37"><div class="ttname"><a href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a></div><div class="ttdeci">int64 min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00138">alldiff_cst.cc:138</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html_a9ecedf5a2848b791246943eac3c970bd"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a9ecedf5a2848b791246943eac3c970bd">operations_research::sat::DualBoundStrengthening::CannotMove</a></div><div class="ttdeci">void CannotMove(absl::Span< const int > refs)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00530">var_domination.cc:530</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00978">base/logging.h:978</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5bd8c44473618b7eafd33ba978db2f06"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">operations_research::sat::kNoIntegerVariable</a></div><div class="ttdeci">const IntegerVariable kNoIntegerVariable(-1)</div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a07823d046b027c81155f8a2f322cf813"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a07823d046b027c81155f8a2f322cf813">operations_research::sat::FloorRatio</a></div><div class="ttdeci">IntegerValue FloorRatio(IntegerValue dividend, IntegerValue positive_divisor)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00090">integer.h:90</a></div></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
|
|
<div class="ttc" id="arouting__search_8cc_html_a204f9b990226e8288e1aaecbb496cbf8"><div class="ttname"><a href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a></div><div class="ttdeci">int64 bound</div><div class="ttdef"><b>Definition:</b> <a href="routing__search_8cc_source.html#l00969">routing_search.cc:969</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a4e3d2a5f5d96d1c22e6e0744a9b8db05"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a4e3d2a5f5d96d1c22e6e0744a9b8db05">operations_research::sat::VarDomination::IntegerVariableToRef</a></div><div class="ttdeci">static int IntegerVariableToRef(IntegerVariable var)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8h_source.html#l00056">var_domination.h:56</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_domain_html_ab5228a93ebd3b866fc792ad8e5fe8fdc"><div class="ttname"><a href="classoperations__research_1_1_domain.html#ab5228a93ebd3b866fc792ad8e5fe8fdc">operations_research::Domain::Contains</a></div><div class="ttdeci">bool Contains(int64 value) const</div><div class="ttdoc">Returns true iff value is in Domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00221">sorted_interval_list.cc:221</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a29b96869d2a821cf1d2e6099e7a0f51b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a29b96869d2a821cf1d2e6099e7a0f51b">operations_research::sat::CeilRatio</a></div><div class="ttdeci">IntegerValue CeilRatio(IntegerValue dividend, IntegerValue positive_divisor)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00081">integer.h:81</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_domain_html_a8c44a09364007a0ef983dc4f85766b28"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a8c44a09364007a0ef983dc4f85766b28">operations_research::Domain::FlattenedIntervals</a></div><div class="ttdeci">std::vector< int64 > FlattenedIntervals() const</div><div class="ttdoc">This method returns the flattened list of interval bounds of the domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00509">sorted_interval_list.cc:509</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9"><div class="ttname"><a href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a></div><div class="ttdeci">#define CHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00701">base/logging.h:701</a></div></div>
|
|
<div class="ttc" id="aclassgtl_1_1_i_t_i_vector_html"><div class="ttname"><a href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector< IntegerVariable, bool ></a></div></div>
|
|
<div class="ttc" id="anamespacegtl_html_a92a0e7b0e74024284adc849a4499940f"><div class="ttname"><a href="namespacegtl.html#a92a0e7b0e74024284adc849a4499940f">gtl::STLClearObject</a></div><div class="ttdeci">void STLClearObject(T *obj)</div><div class="ttdef"><b>Definition:</b> <a href="stl__util_8h_source.html#l00123">stl_util.h:123</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_afa29fae25851a59b7484122a8ecfbf8b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#afa29fae25851a59b7484122a8ecfbf8b">operations_research::sat::VarDomination::RefToIntegerVariable</a></div><div class="ttdeci">static IntegerVariable RefToIntegerVariable(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8h_source.html#l00052">var_domination.h:52</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html">operations_research::sat::VarDomination</a></div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8h_source.html#l00045">var_domination.h:45</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_domain_html_a8e12342fc420701fbffd97025421575a"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">operations_research::Domain::IsEmpty</a></div><div class="ttdeci">bool IsEmpty() const</div><div class="ttdoc">Returns true if this is the empty set.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00190">sorted_interval_list.cc:190</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a3c403add1108067dbdbcf06bcc564086"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a3c403add1108067dbdbcf06bcc564086">operations_research::sat::VarDomination::ActivityShouldNotIncrease</a></div><div class="ttdeci">void ActivityShouldNotIncrease(absl::Span< const int > enforcements, absl::Span< const int > refs, absl::Span< const int64 > coeffs)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00119">var_domination.cc:119</a></div></div>
|
|
<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
|
|
<div class="ttc" id="arevised__simplex_8cc_html_a773239be94b6b64ba8fa2367b86776be"><div class="ttname"><a href="revised__simplex_8cc.html#a773239be94b6b64ba8fa2367b86776be">coeff_magnitude</a></div><div class="ttdeci">Fractional coeff_magnitude</div><div class="ttdef"><b>Definition:</b> <a href="revised__simplex_8cc_source.html#l01803">revised_simplex.cc:1803</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a60fd6d5f0e8bba9b7a51b86edb7dcf79"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a60fd6d5f0e8bba9b7a51b86edb7dcf79">operations_research::sat::VarDomination::Reset</a></div><div class="ttdeci">void Reset(int num_variables)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00021">var_domination.cc:21</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aae43e784db06c0974ce59ebbe8dd2b22"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">operations_research::sat::NegationOf</a></div><div class="ttdeci">std::vector< IntegerVariable > NegationOf(const std::vector< IntegerVariable > &vars)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00042">integer.cc:42</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_af458164b470cbba416d5ed579e00ff60"><div class="ttname"><a href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a></div><div class="ttdeci">static const int64 kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00060">integral_types.h:60</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html_aa59de7559331f128a4eb2c5f3d1fce86"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#aa59de7559331f128a4eb2c5f3d1fce86">operations_research::sat::DualBoundStrengthening::CannotDecrease</a></div><div class="ttdeci">void CannotDecrease(absl::Span< const int > refs)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00516">var_domination.cc:516</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_domain_html"><div class="ttname"><a href="classoperations__research_1_1_domain.html">operations_research::Domain</a></div><div class="ttdoc">We call domain any subset of Int64 = [kint64min, kint64max].</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8h_source.html#l00081">sorted_interval_list.h:81</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7f1ac774d4646a83631f8117f4ea03f5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">operations_research::sat::PositiveVariable</a></div><div class="ttdeci">IntegerVariable PositiveVariable(IntegerVariable i)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00134">integer.h:134</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
|
|
<div class="ttc" id="agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6"><div class="ttname"><a href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a></div><div class="ttdeci">GurobiMPCallbackContext * context</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00509">gurobi_interface.cc:509</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acdbc8ad33149d45a6e6fcd8b72fd68ed"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">operations_research::sat::PositiveRef</a></div><div class="ttdeci">int PositiveRef(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00033">cp_model_utils.h:33</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_abac7359a6d4028ceb620882c963abbd5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#abac7359a6d4028ceb620882c963abbd5">operations_research::sat::VarDomination::DominationDebugString</a></div><div class="ttdeci">std::string DominationDebugString(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00504">var_domination.cc:504</a></div></div>
|
|
<div class="ttc" id="aconstraint__solver_2table_8cc_html_af730895c6c6ef6e03caaf6251192dfd2"><div class="ttname"><a href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a></div><div class="ttdeci">int64 a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00042">constraint_solver/table.cc:42</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ad9fac07c1db385b6e80e268c0a2109d3"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ad9fac07c1db385b6e80e268c0a2109d3">operations_research::sat::ExploitDominanceRelations</a></div><div class="ttdeci">bool ExploitDominanceRelations(const VarDomination &var_domination, PresolveContext *context)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00864">var_domination.cc:864</a></div></div>
|
|
<div class="ttc" id="avar__domination_8h_html"><div class="ttname"><a href="var__domination_8h.html">var_domination.h</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_afe7098f5dfd54c7383692e28fad65dc3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#afe7098f5dfd54c7383692e28fad65dc3">operations_research::sat::VarDomination::CanOnlyDominateEachOther</a></div><div class="ttdeci">void CanOnlyDominateEachOther(absl::Span< const int > refs)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00050">var_domination.cc:50</a></div></div>
|
|
<div class="ttc" id="astructoperations__research_1_1_affine_relation_1_1_relation_html"><div class="ttname"><a href="structoperations__research_1_1_affine_relation_1_1_relation.html">operations_research::AffineRelation::Relation</a></div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00076">affine_relation.h:76</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1227e67513602591fb959e35c9de66e8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">operations_research::sat::kMaxIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMaxIntegerValue(std::numeric_limits< IntegerValue::ValueType >::max() - 1)</div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00697">base/logging.h:697</a></div></div>
|
|
<div class="ttc" id="ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00042">demon_profiler.cc:42</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a3bfa5866e3b1d860a23ca23c8c29fcdc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a3bfa5866e3b1d860a23ca23c8c29fcdc">operations_research::sat::VarDomination::EndSecondPhase</a></div><div class="ttdeci">void EndSecondPhase()</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00316">var_domination.cc:316</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a7b3e19ea0bc9643cd98679632fb72c13"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a7b3e19ea0bc9643cd98679632fb72c13">operations_research::sat::VarDomination::ActivityShouldNotChange</a></div><div class="ttdeci">void ActivityShouldNotChange(absl::Span< const int > refs, absl::Span< const int64 > coeffs)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00060">var_domination.cc:60</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_abc0f5bc07737e498f287334775dff2b6"><div class="ttname"><a href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a></div><div class="ttdeci">uint64_t uint64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00039">integral_types.h:39</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae0803b8198728cd4f6e58498d9c60091"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">operations_research::sat::NegatedRef</a></div><div class="ttdeci">int NegatedRef(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00032">cp_model_utils.h:32</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_ae4db23f10f5d4aad6d735f5a74cd6f8c"><div class="ttname"><a href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a></div><div class="ttdeci">#define CHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00699">base/logging.h:699</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_domain_html_a53e9735282c0bf0769962bd1b6a643bc"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">operations_research::Domain::Min</a></div><div class="ttdeci">int64 Min() const</div><div class="ttdoc">Returns the min value of the domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00206">sorted_interval_list.cc:206</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html">operations_research::sat::PresolveContext</a></div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00072">presolve_context.h:72</a></div></div>
|
|
<div class="ttc" id="aclassgtl_1_1_i_t_i_vector_html_a60304b65bf89363bcc3165d3cde67f86"><div class="ttname"><a href="classgtl_1_1_i_t_i_vector.html#a60304b65bf89363bcc3165d3cde67f86">gtl::ITIVector::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdef"><b>Definition:</b> <a href="int__type__indexed__vector_8h_source.html#l00146">int_type_indexed_vector.h:146</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a00174020e05dcb9b7b5270f5f99ef7ae"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a00174020e05dcb9b7b5270f5f99ef7ae">operations_research::sat::VarDomination::ActivityShouldNotDecrease</a></div><div class="ttdeci">void ActivityShouldNotDecrease(absl::Span< const int > enforcements, absl::Span< const int > refs, absl::Span< const int64 > coeffs)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00112">var_domination.cc:112</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html">operations_research::sat::DualBoundStrengthening</a></div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8h_source.html#l00209">var_domination.h:209</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a217338425de4389014563f1f24331713"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">operations_research::sat::RefIsPositive</a></div><div class="ttdeci">bool RefIsPositive(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00034">cp_model_utils.h:34</a></div></div>
|
|
<div class="ttc" id="astructoperations__research_1_1_affine_relation_1_1_relation_html_af5eb1e0745f18d589b9c552215bef515"><div class="ttname"><a href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">operations_research::AffineRelation::Relation::representative</a></div><div class="ttdeci">int representative</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00077">affine_relation.h:77</a></div></div>
|
|
<div class="ttc" id="astl__util_8h_html"><div class="ttname"><a href="stl__util_8h.html">stl_util.h</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html_a60fd6d5f0e8bba9b7a51b86edb7dcf79"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a60fd6d5f0e8bba9b7a51b86edb7dcf79">operations_research::sat::DualBoundStrengthening::Reset</a></div><div class="ttdeci">void Reset(int num_variables)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8h_source.html#l00213">var_domination.h:213</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html_ab14596ec39167d71f8789daa27ca7ef2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#ab14596ec39167d71f8789daa27ca7ef2">operations_research::sat::DualBoundStrengthening::ProcessLinearConstraint</a></div><div class="ttdeci">void ProcessLinearConstraint(bool is_objective, const PresolveContext &context, const LinearProto &linear, int64 min_activity, int64 max_activity)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00539">var_domination.cc:539</a></div></div>
|
|
<div class="ttc" id="adefault__search_8cc_html_ad1547dc5c5aeb23eaccef64028eaef25"><div class="ttname"><a href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a></div><div class="ttdeci">DecisionBuilder *const phase</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00806">default_search.cc:806</a></div></div>
|
|
<div class="ttc" id="aresource_8cc_html_a73461c37822b6ebb75b54ba1a9ffb442"><div class="ttname"><a href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a></div><div class="ttdeci">int64 delta</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l01684">resource.cc:1684</a></div></div>
|
|
<div class="ttc" id="aconstraint__solver_2table_8cc_html_a344010e26426d6a13411648d988bc9b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a></div><div class="ttdeci">int64 b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00043">constraint_solver/table.cc:43</a></div></div>
|
|
<div class="ttc" id="aclassgtl_1_1_i_t_i_vector_html_a4e3670a285a3642eaa07f66766cffa72"><div class="ttname"><a href="classgtl_1_1_i_t_i_vector.html#a4e3670a285a3642eaa07f66766cffa72">gtl::ITIVector::resize</a></div><div class="ttdeci">void resize(size_type new_size)</div><div class="ttdef"><b>Definition:</b> <a href="int__type__indexed__vector_8h_source.html#l00149">int_type_indexed_vector.h:149</a></div></div>
|
|
<div class="ttc" id="aclassgtl_1_1_i_t_i_vector_html_a184fe69018ae421dcf31c964bfe40576"><div class="ttname"><a href="classgtl_1_1_i_t_i_vector.html#a184fe69018ae421dcf31c964bfe40576">gtl::ITIVector::assign</a></div><div class="ttdeci">void assign(size_type n, const value_type &val)</div><div class="ttdef"><b>Definition:</b> <a href="int__type__indexed__vector_8h_source.html#l00130">int_type_indexed_vector.h:130</a></div></div>
|
|
<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00106">cp_model_fz_solver.cc:106</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a747d1194d3ad5967b690d046ebb0c2eb"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a747d1194d3ad5967b690d046ebb0c2eb">operations_research::sat::DetectDominanceRelations</a></div><div class="ttdeci">void DetectDominanceRelations(const PresolveContext &context, VarDomination *var_domination, DualBoundStrengthening *dual_bound_strengthening)</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00677">var_domination.cc:677</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a98dafbf843b453fb9f3f822cd948a77b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a98dafbf843b453fb9f3f822cd948a77b">operations_research::sat::VarDomination::DominatingVariables</a></div><div class="ttdeci">absl::Span< const IntegerVariable > DominatingVariables(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00492">var_domination.cc:492</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719"><div class="ttname"><a href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a></div><div class="ttdeci">static const int64 kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00062">integral_types.h:62</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a389ac04ee9f0eddeadb87a8ef5af6dad"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a389ac04ee9f0eddeadb87a8ef5af6dad">operations_research::sat::VarDomination::CanFreelyDecrease</a></div><div class="ttdeci">bool CanFreelyDecrease(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00476">var_domination.cc:476</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_dual_bound_strengthening_html_a371b965e1bac74fc37e26513ff63c03b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_dual_bound_strengthening.html#a371b965e1bac74fc37e26513ff63c03b">operations_research::sat::DualBoundStrengthening::CanFreelyDecreaseUntil</a></div><div class="ttdeci">int64 CanFreelyDecreaseUntil(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8h_source.html#l00235">var_domination.h:235</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_var_domination_html_a32332368969953470357bea5af9d60db"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_var_domination.html#a32332368969953470357bea5af9d60db">operations_research::sat::VarDomination::EndFirstPhase</a></div><div class="ttdeci">void EndFirstPhase()</div><div class="ttdef"><b>Definition:</b> <a href="var__domination_8cc_source.html#l00189">var_domination.cc:189</a></div></div>
|
|
<!-- HTML footer for doxygen 1.8.18-->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_a7cc1eeded8f693d0da6c729bc88c45a.html">ortools</a></li><li class="navelem"><a class="el" href="dir_dddac007a45022d9da6ea1dee012c3b9.html">sat</a></li><li class="navelem"><a class="el" href="var__domination_8cc.html">var_domination.cc</a></li>
|
|
<li class="footer">Generated by
|
|
<a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.20 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|