1764 lines
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1764 lines
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<a href="cp__model__expand_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
|
||
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
|
||
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
|
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
|
||
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
|
||
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
|
||
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="cp__model__expand_8h.html">ortools/sat/cp_model_expand.h</a>"</span></div>
|
||
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
|
||
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <algorithm></span></div>
|
||
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cstdint></span></div>
|
||
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <limits></span></div>
|
||
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <string></span></div>
|
||
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <utility></span></div>
|
||
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <vector></span></div>
|
||
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
|
||
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "absl/container/btree_map.h"</span></div>
|
||
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
|
||
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
|
||
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/meta/type_traits.h"</span></div>
|
||
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
|
||
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "absl/types/span.h"</span></div>
|
||
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
|
||
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
|
||
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</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 id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
|
||
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "ortools/sat/cp_model.pb.h"</span></div>
|
||
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="cp__model__utils_8h.html">ortools/sat/cp_model_utils.h</a>"</span></div>
|
||
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="presolve__context_8h.html">ortools/sat/presolve_context.h</a>"</span></div>
|
||
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "ortools/sat/sat_parameters.pb.h"</span></div>
|
||
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "<a class="code" href="sat_2util_8h.html">ortools/sat/util.h</a>"</span></div>
|
||
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="util_2logging_8h.html">ortools/util/logging.h</a>"</span></div>
|
||
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="saturated__arithmetic_8h.html">ortools/util/saturated_arithmetic.h</a>"</span></div>
|
||
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "<a class="code" href="sorted__interval__list_8h.html">ortools/util/sorted_interval_list.h</a>"</span></div>
|
||
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
|
||
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
|
||
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">namespace </span>sat {</div>
|
||
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keyword">namespace </span>{</div>
|
||
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
|
||
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keywordtype">void</span> ExpandReservoir(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->reservoir().min_level() > <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->reservoir().max_level()) {</div>
|
||
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Empty level domain in reservoir constraint."</span>;</div>
|
||
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>)<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat();</div>
|
||
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
|
||
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
|
||
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">const</span> ReservoirConstraintProto& reservoir = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->reservoir();</div>
|
||
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_events = reservoir.time_exprs_size();</div>
|
||
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
|
||
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">const</span> <span class="keywordtype">int</span> true_literal = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateConstantVar(1);</div>
|
||
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
|
||
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">const</span> <span class="keyword">auto</span> is_active_literal = [&reservoir, true_literal](<span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
|
||
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">if</span> (reservoir.active_literals_size() == 0) <span class="keywordflow">return</span> true_literal;</div>
|
||
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">return</span> reservoir.active_literals(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
||
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> };</div>
|
||
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
|
||
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordtype">int</span> num_positives = 0;</div>
|
||
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">int</span> num_negatives = 0;</div>
|
||
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a> : reservoir.level_changes()) {</div>
|
||
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a> > 0) {</div>
|
||
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> num_positives++;</div>
|
||
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a> < 0) {</div>
|
||
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> num_negatives++;</div>
|
||
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
|
||
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
|
||
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
|
||
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> absl::flat_hash_map<std::pair<int, int>, <span class="keywordtype">int</span>> precedence_cache;</div>
|
||
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
|
||
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (num_positives > 0 && num_negatives > 0) {</div>
|
||
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// Creates Boolean variables equivalent to (start[i] <= start[j]) i != j</span></div>
|
||
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_events - 1; ++i) {</div>
|
||
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">const</span> <span class="keywordtype">int</span> active_i = is_active_literal(i);</div>
|
||
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->LiteralIsFalse(active_i)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">const</span> LinearExpressionProto& time_i = reservoir.time_exprs(i);</div>
|
||
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
|
||
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = i + 1; j < num_events; ++j) {</div>
|
||
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">const</span> <span class="keywordtype">int</span> active_j = is_active_literal(j);</div>
|
||
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->LiteralIsFalse(active_j)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">const</span> LinearExpressionProto& time_j = reservoir.time_exprs(j);</div>
|
||
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
|
||
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">const</span> <span class="keywordtype">int</span> i_lesseq_j = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateReifiedPrecedenceLiteral(</div>
|
||
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> time_i, time_j, active_i, active_j);</div>
|
||
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->mutable_variables(i_lesseq_j)</div>
|
||
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> ->set_name(absl::StrCat(i, <span class="stringliteral">" before "</span>, j));</div>
|
||
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> precedence_cache[{i, j}] = i_lesseq_j;</div>
|
||
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">const</span> <span class="keywordtype">int</span> j_lesseq_i = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateReifiedPrecedenceLiteral(</div>
|
||
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> time_j, time_i, active_j, active_i);</div>
|
||
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->mutable_variables(j_lesseq_i)</div>
|
||
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> ->set_name(absl::StrCat(j, <span class="stringliteral">" before "</span>, i));</div>
|
||
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> precedence_cache[{j, i}] = j_lesseq_i;</div>
|
||
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
|
||
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
|
||
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
|
||
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// Constrains the running level to be consistent at all time_exprs.</span></div>
|
||
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// For this we only add a constraint at the time a given demand</span></div>
|
||
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// take place. We also have a constraint for time zero if needed</span></div>
|
||
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// (added below).</span></div>
|
||
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_events; ++i) {</div>
|
||
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">const</span> <span class="keywordtype">int</span> active_i = is_active_literal(i);</div>
|
||
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->LiteralIsFalse(active_i)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
|
||
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// Accumulates level_changes of all predecessors.</span></div>
|
||
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> ConstraintProto* <span class="keyword">const</span> level = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints();</div>
|
||
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> level->add_enforcement_literal(active_i);</div>
|
||
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
|
||
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// Add contributions from previous events.</span></div>
|
||
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> int64_t offset = 0;</div>
|
||
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < num_events; ++j) {</div>
|
||
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">if</span> (i == j) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> <span class="keywordtype">int</span> active_j = is_active_literal(j);</div>
|
||
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->LiteralIsFalse(active_j)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
|
||
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">const</span> <span class="keyword">auto</span> prec_it = precedence_cache.find({j, i});</div>
|
||
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(prec_it != precedence_cache.end());</div>
|
||
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">const</span> <span class="keywordtype">int</span> prec_lit = prec_it->second;</div>
|
||
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a> = reservoir.level_changes(j);</div>
|
||
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(prec_lit)) {</div>
|
||
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> level->mutable_linear()->add_vars(prec_lit);</div>
|
||
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> level->mutable_linear()->add_coeffs(<a class="code hl_variable" href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a>);</div>
|
||
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> level->mutable_linear()->add_vars(prec_lit);</div>
|
||
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> level->mutable_linear()->add_coeffs(-<a class="code hl_variable" href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a>);</div>
|
||
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> offset -= <a class="code hl_variable" href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a>;</div>
|
||
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
|
||
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
|
||
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
|
||
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// Accounts for own demand in the domain of the sum.</span></div>
|
||
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">const</span> int64_t demand_i = reservoir.level_changes(i);</div>
|
||
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> level->mutable_linear()->add_domain(</div>
|
||
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <a class="code hl_function" href="namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291">CapAdd</a>(<a class="code hl_function" href="namespaceoperations__research.html#a4a43d435871f16c321861fa5de32df82">CapSub</a>(reservoir.min_level(), demand_i), offset));</div>
|
||
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> level->mutable_linear()->add_domain(</div>
|
||
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_function" href="namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291">CapAdd</a>(<a class="code hl_function" href="namespaceoperations__research.html#a4a43d435871f16c321861fa5de32df82">CapSub</a>(reservoir.max_level(), demand_i), offset));</div>
|
||
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> }</div>
|
||
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// If all level_changes have the same sign, we do not care about the order,</span></div>
|
||
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// just the sum.</span></div>
|
||
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">auto</span>* <span class="keyword">const</span> sum =</div>
|
||
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_linear();</div>
|
||
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_events; ++i) {</div>
|
||
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> sum->add_vars(is_active_literal(i));</div>
|
||
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> sum->add_coeffs(reservoir.level_changes(i));</div>
|
||
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> }</div>
|
||
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> sum->add_domain(reservoir.min_level());</div>
|
||
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> sum->add_domain(reservoir.max_level());</div>
|
||
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div>
|
||
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
|
||
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"reservoir: expanded"</span>);</div>
|
||
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span>}</div>
|
||
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
|
||
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="keywordtype">void</span> ExpandIntMod(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">const</span> LinearArgumentProto& int_mod = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->int_mod();</div>
|
||
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">const</span> LinearExpressionProto& mod_expr = int_mod.exprs(1);</div>
|
||
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(mod_expr)) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
|
||
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">const</span> LinearExpressionProto& expr = int_mod.exprs(0);</div>
|
||
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">const</span> LinearExpressionProto& target_expr = int_mod.target();</div>
|
||
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
|
||
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="comment">// We reduce the domain of target_expr to avoid later overflow.</span></div>
|
||
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(</div>
|
||
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> target_expr, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(expr).PositiveModuloBySuperset(</div>
|
||
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(mod_expr)))) {</div>
|
||
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> }</div>
|
||
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
|
||
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// Create a new constraint with the same enforcement as ct.</span></div>
|
||
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">auto</span> new_enforced_constraint = [&]() {</div>
|
||
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> ConstraintProto* new_ct = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints();</div>
|
||
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> *new_ct->mutable_enforcement_literal() = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->enforcement_literal();</div>
|
||
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">return</span> new_ct;</div>
|
||
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> };</div>
|
||
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
|
||
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// div_expr = expr / mod_expr.</span></div>
|
||
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">const</span> <span class="keywordtype">int</span> div_var = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NewIntVar(</div>
|
||
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(expr).PositiveDivisionBySuperset(</div>
|
||
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(mod_expr)));</div>
|
||
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> LinearExpressionProto div_expr;</div>
|
||
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> div_expr.add_vars(div_var);</div>
|
||
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> div_expr.add_coeffs(1);</div>
|
||
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
|
||
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> LinearArgumentProto* <span class="keyword">const</span> div_proto =</div>
|
||
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> new_enforced_constraint()->mutable_int_div();</div>
|
||
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> *div_proto->mutable_target() = div_expr;</div>
|
||
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> *div_proto->add_exprs() = expr;</div>
|
||
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> *div_proto->add_exprs() = mod_expr;</div>
|
||
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
|
||
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// Create prod_expr = div_expr * mod_expr.</span></div>
|
||
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">const</span> Domain prod_domain =</div>
|
||
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(div_var)</div>
|
||
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> .ContinuousMultiplicationBy(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(mod_expr))</div>
|
||
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> .IntersectionWith(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(expr).AdditionWith(</div>
|
||
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(target_expr).Negation()));</div>
|
||
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">const</span> <span class="keywordtype">int</span> prod_var = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NewIntVar(prod_domain);</div>
|
||
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> LinearExpressionProto prod_expr;</div>
|
||
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> prod_expr.add_vars(prod_var);</div>
|
||
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> prod_expr.add_coeffs(1);</div>
|
||
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
|
||
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> LinearArgumentProto* <span class="keyword">const</span> int_prod =</div>
|
||
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> new_enforced_constraint()->mutable_int_prod();</div>
|
||
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> *int_prod->mutable_target() = prod_expr;</div>
|
||
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> *int_prod->add_exprs() = div_expr;</div>
|
||
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> *int_prod->add_exprs() = mod_expr;</div>
|
||
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
|
||
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// expr - prod_expr = target_expr.</span></div>
|
||
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> LinearConstraintProto* <span class="keyword">const</span> lin =</div>
|
||
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> new_enforced_constraint()->mutable_linear();</div>
|
||
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> lin->add_domain(0);</div>
|
||
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> lin->add_domain(0);</div>
|
||
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aced7df5982ab26894efec32543e459f7">AddLinearExpressionToLinearConstraint</a>(expr, 1, lin);</div>
|
||
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aced7df5982ab26894efec32543e459f7">AddLinearExpressionToLinearConstraint</a>(prod_expr, -1, lin);</div>
|
||
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aced7df5982ab26894efec32543e459f7">AddLinearExpressionToLinearConstraint</a>(target_expr, -1, lin);</div>
|
||
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
|
||
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"int_mod: expanded"</span>);</div>
|
||
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>}</div>
|
||
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
|
||
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="comment">// TODO(user): Move this into the presolve instead?</span></div>
|
||
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="keywordtype">void</span> ExpandIntProdWithBoolean(<span class="keywordtype">int</span> bool_ref,</div>
|
||
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">const</span> LinearExpressionProto& int_expr,</div>
|
||
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keyword">const</span> LinearExpressionProto& product_expr,</div>
|
||
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> ConstraintProto* <span class="keyword">const</span> one = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints();</div>
|
||
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> one->add_enforcement_literal(bool_ref);</div>
|
||
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> one->mutable_linear()->add_domain(0);</div>
|
||
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> one->mutable_linear()->add_domain(0);</div>
|
||
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aced7df5982ab26894efec32543e459f7">AddLinearExpressionToLinearConstraint</a>(int_expr, 1, one->mutable_linear());</div>
|
||
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aced7df5982ab26894efec32543e459f7">AddLinearExpressionToLinearConstraint</a>(product_expr, -1,</div>
|
||
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> one->mutable_linear());</div>
|
||
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
|
||
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> ConstraintProto* <span class="keyword">const</span> zero = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints();</div>
|
||
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> zero->add_enforcement_literal(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(bool_ref));</div>
|
||
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> zero->mutable_linear()->add_domain(0);</div>
|
||
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> zero->mutable_linear()->add_domain(0);</div>
|
||
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aced7df5982ab26894efec32543e459f7">AddLinearExpressionToLinearConstraint</a>(product_expr, 1,</div>
|
||
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> zero->mutable_linear());</div>
|
||
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span>}</div>
|
||
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
|
||
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span><span class="keywordtype">void</span> ExpandIntProd(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keyword">const</span> LinearArgumentProto& int_prod = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->int_prod();</div>
|
||
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (int_prod.exprs_size() != 2) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keyword">const</span> LinearExpressionProto& <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> = int_prod.exprs(0);</div>
|
||
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">const</span> LinearExpressionProto& <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> = int_prod.exprs(1);</div>
|
||
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">const</span> LinearExpressionProto& p = int_prod.target();</div>
|
||
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>;</div>
|
||
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> a_is_literal = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ExpressionIsALiteral(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, &<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
||
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> b_is_literal = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ExpressionIsALiteral(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>, &<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
||
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
|
||
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// We expand if exactly one of {a, b} is a literal. If both are literals, it</span></div>
|
||
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// will be presolved into a better version.</span></div>
|
||
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordflow">if</span> (a_is_literal && !b_is_literal) {</div>
|
||
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> ExpandIntProdWithBoolean(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>, p, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"int_prod: expanded product with Boolean var"</span>);</div>
|
||
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b_is_literal) {</div>
|
||
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> ExpandIntProdWithBoolean(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, p, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"int_prod: expanded product with Boolean var"</span>);</div>
|
||
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> }</div>
|
||
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span>}</div>
|
||
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
|
||
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><span class="keywordtype">void</span> ExpandInverse(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">const</span> <span class="keyword">auto</span>& f_direct = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->inverse().f_direct();</div>
|
||
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keyword">const</span> <span class="keyword">auto</span>& f_inverse = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->inverse().f_inverse();</div>
|
||
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">const</span> <span class="keywordtype">int</span> n = f_direct.size();</div>
|
||
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(n, f_inverse.size());</div>
|
||
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> </div>
|
||
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// Make sure the domains are included in [0, n - 1).</span></div>
|
||
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// Note that if a variable and its negation appear, the domains will be set to</span></div>
|
||
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="comment">// zero here.</span></div>
|
||
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// TODO(user): Add support for UNSAT at expansion. This should create empty</span></div>
|
||
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// domain if UNSAT, so it should still work correctly.</span></div>
|
||
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> absl::flat_hash_set<int> used_variables;</div>
|
||
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : f_direct) {</div>
|
||
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> used_variables.insert(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
|
||
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(ref, Domain(0, n - 1))) {</div>
|
||
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Empty domain for a variable in ExpandInverse()"</span>;</div>
|
||
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> }</div>
|
||
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> }</div>
|
||
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : f_inverse) {</div>
|
||
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> used_variables.insert(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
|
||
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(ref, Domain(0, n - 1))) {</div>
|
||
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Empty domain for a variable in ExpandInverse()"</span>;</div>
|
||
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> }</div>
|
||
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> }</div>
|
||
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
|
||
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="comment">// If we have duplicate variables, we make sure the domain are reduced</span></div>
|
||
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="comment">// as the loop below might not detect incompatibilities.</span></div>
|
||
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">if</span> (used_variables.size() != 2 * n) {</div>
|
||
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div>
|
||
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < n; ++j) {</div>
|
||
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// Note that if we don't have the same sign, both domain are at zero.</span></div>
|
||
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(f_direct[i]) != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(f_inverse[j])) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
|
||
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="comment">// We can't have i or j as value if i != j.</span></div>
|
||
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">if</span> (i == j) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(</div>
|
||
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> f_direct[i], <a class="code hl_function" href="classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb">Domain::FromValues</a>({i, j}).<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1f1de3874966a137f140748498f43e0c">Complement</a>())) {</div>
|
||
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> }</div>
|
||
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> }</div>
|
||
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
|
||
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
|
||
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
|
||
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="comment">// Reduce the domains of each variable by checking that the inverse value</span></div>
|
||
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="comment">// exists.</span></div>
|
||
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> std::vector<int64_t> possible_values;</div>
|
||
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> </div>
|
||
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// Propagate from one vector to its counterpart.</span></div>
|
||
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">const</span> <span class="keyword">auto</span> filter_inverse_domain =</div>
|
||
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> [<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, n, &possible_values](<span class="keyword">const</span> <span class="keyword">auto</span>& direct, <span class="keyword">const</span> <span class="keyword">auto</span>& inverse) {</div>
|
||
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="comment">// Propagate from the inverse vector to the direct vector.</span></div>
|
||
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div>
|
||
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> possible_values.clear();</div>
|
||
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="keyword">const</span> Domain domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(direct[i]);</div>
|
||
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordtype">bool</span> removed_value = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t j : domain.Values()) {</div>
|
||
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(inverse[j]).Contains(i)) {</div>
|
||
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> possible_values.push_back(j);</div>
|
||
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> removed_value = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> }</div>
|
||
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> }</div>
|
||
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordflow">if</span> (removed_value) {</div>
|
||
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(</div>
|
||
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> direct[i], <a class="code hl_function" href="classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb">Domain::FromValues</a>(possible_values))) {</div>
|
||
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Empty domain for a variable in ExpandInverse()"</span>;</div>
|
||
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> }</div>
|
||
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
|
||
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> }</div>
|
||
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> };</div>
|
||
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> </div>
|
||
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// Note that this should reach the fixed point in one pass.</span></div>
|
||
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="comment">// However, if we have duplicate variable, I am not sure.</span></div>
|
||
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">if</span> (!filter_inverse_domain(f_direct, f_inverse)) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keywordflow">if</span> (!filter_inverse_domain(f_inverse, f_direct)) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> </div>
|
||
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="comment">// Expand the inverse constraint by associating literal to var == value</span></div>
|
||
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// and sharing them between the direct and inverse variables.</span></div>
|
||
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="comment">// Note that this is only correct because the domain are tight now.</span></div>
|
||
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div>
|
||
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keyword">const</span> <span class="keywordtype">int</span> f_i = f_direct[i];</div>
|
||
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t j : <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(f_i).Values()) {</div>
|
||
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="comment">// We have f[i] == j <=> r[j] == i;</span></div>
|
||
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keyword">const</span> <span class="keywordtype">int</span> r_j = f_inverse[j];</div>
|
||
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordtype">int</span> r_j_i;</div>
|
||
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->HasVarValueEncoding(r_j, i, &r_j_i)) {</div>
|
||
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InsertVarValueEncoding(r_j_i, f_i, j);</div>
|
||
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keyword">const</span> <span class="keywordtype">int</span> f_i_j = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(f_i, j);</div>
|
||
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InsertVarValueEncoding(f_i_j, r_j, i);</div>
|
||
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> }</div>
|
||
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> }</div>
|
||
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> }</div>
|
||
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
|
||
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"inverse: expanded"</span>);</div>
|
||
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span>}</div>
|
||
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> </div>
|
||
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span><span class="comment">// A[V] == V means for all i, V == i => A_i == i</span></div>
|
||
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span><span class="keywordtype">void</span> ExpandElementWithTargetEqualIndex(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>,</div>
|
||
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keyword">const</span> ElementConstraintProto& element = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->element();</div>
|
||
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(element.index(), element.target());</div>
|
||
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> </div>
|
||
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keyword">const</span> <span class="keywordtype">int</span> index_ref = element.index();</div>
|
||
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> std::vector<int64_t> valid_indices;</div>
|
||
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(index_ref).Values()) {</div>
|
||
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(element.vars(v), v)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> valid_indices.push_back(v);</div>
|
||
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> }</div>
|
||
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordflow">if</span> (valid_indices.size() < <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(index_ref).Size()) {</div>
|
||
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(index_ref,</div>
|
||
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <a class="code hl_function" href="classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb">Domain::FromValues</a>(valid_indices))) {</div>
|
||
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"No compatible variable domains in "</span></div>
|
||
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="stringliteral">"ExpandElementWithTargetEqualIndex()"</span>;</div>
|
||
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> }</div>
|
||
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"element: reduced index domain"</span>);</div>
|
||
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> }</div>
|
||
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> </div>
|
||
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(index_ref).Values()) {</div>
|
||
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = element.vars(v);</div>
|
||
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MinOf(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) == v && <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MaxOf(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) == v) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->AddImplyInDomain(</div>
|
||
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(index_ref, v), <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, Domain(v));</div>
|
||
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> }</div>
|
||
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(</div>
|
||
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="stringliteral">"element: expanded with special case target = index"</span>);</div>
|
||
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span>}</div>
|
||
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> </div>
|
||
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span><span class="comment">// Special case if the array of the element is filled with constant values.</span></div>
|
||
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span><span class="keywordtype">void</span> ExpandConstantArrayElement(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keyword">const</span> ElementConstraintProto& element = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->element();</div>
|
||
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keyword">const</span> <span class="keywordtype">int</span> index_ref = element.index();</div>
|
||
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="keyword">const</span> <span class="keywordtype">int</span> target_ref = element.target();</div>
|
||
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> </div>
|
||
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="comment">// Index and target domain have been reduced before calling this function.</span></div>
|
||
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="keyword">const</span> Domain index_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(index_ref);</div>
|
||
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keyword">const</span> Domain target_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(target_ref);</div>
|
||
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> </div>
|
||
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="comment">// This BoolOrs implements the deduction that if all index literals pointing</span></div>
|
||
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="comment">// to the same value in the constant array are false, then this value is no</span></div>
|
||
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// no longer valid for the target variable. They are created only for values</span></div>
|
||
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="comment">// that have multiples literals supporting them.</span></div>
|
||
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="comment">// Order is not important.</span></div>
|
||
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> absl::flat_hash_map<int64_t, BoolArgumentProto*> supports;</div>
|
||
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> {</div>
|
||
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> absl::flat_hash_map<int64_t, int> constant_var_values_usage;</div>
|
||
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : index_domain.Values()) {</div>
|
||
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(element.vars(v)));</div>
|
||
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MinOf(element.vars(v));</div>
|
||
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">if</span> (++constant_var_values_usage[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] == 2) {</div>
|
||
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="comment">// First time we cross > 1.</span></div>
|
||
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> BoolArgumentProto* <span class="keyword">const</span> support =</div>
|
||
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keyword">const</span> <span class="keywordtype">int</span> target_literal =</div>
|
||
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(target_ref, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
||
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> support->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(target_literal));</div>
|
||
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> supports[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] = support;</div>
|
||
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> }</div>
|
||
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> }</div>
|
||
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> }</div>
|
||
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
|
||
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> {</div>
|
||
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="comment">// While this is not stricly needed since all value in the index will be</span></div>
|
||
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="comment">// covered, it allows to easily detect this fact in the presolve.</span></div>
|
||
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keyword">auto</span>* exactly_one =</div>
|
||
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_exactly_one();</div>
|
||
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : index_domain.Values()) {</div>
|
||
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="keyword">const</span> <span class="keywordtype">int</span> index_literal =</div>
|
||
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(index_ref, v);</div>
|
||
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> exactly_one->add_literals(index_literal);</div>
|
||
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> </div>
|
||
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->MinOf(element.vars(v));</div>
|
||
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keyword">const</span> <span class="keyword">auto</span>& it = supports.find(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
||
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keywordflow">if</span> (it != supports.end()) {</div>
|
||
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="comment">// The encoding literal for 'value' of the target_ref has been</span></div>
|
||
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="comment">// created before.</span></div>
|
||
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keyword">const</span> <span class="keywordtype">int</span> target_literal =</div>
|
||
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(target_ref, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
||
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->AddImplication(index_literal, target_literal);</div>
|
||
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> it->second->add_literals(index_literal);</div>
|
||
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="comment">// Try to reuse the literal of the index.</span></div>
|
||
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InsertVarValueEncoding(index_literal, target_ref, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
||
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> }</div>
|
||
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> }</div>
|
||
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> }</div>
|
||
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> </div>
|
||
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"element: expanded value element"</span>);</div>
|
||
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span>}</div>
|
||
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> </div>
|
||
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span><span class="comment">// General element when the array contains non fixed variables.</span></div>
|
||
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span><span class="keywordtype">void</span> ExpandVariableElement(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="keyword">const</span> ElementConstraintProto& element = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->element();</div>
|
||
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="keyword">const</span> <span class="keywordtype">int</span> index_ref = element.index();</div>
|
||
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keyword">const</span> <span class="keywordtype">int</span> target_ref = element.target();</div>
|
||
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keyword">const</span> Domain index_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(index_ref);</div>
|
||
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> </div>
|
||
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> BoolArgumentProto* bool_or =</div>
|
||
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> </div>
|
||
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : index_domain.Values()) {</div>
|
||
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = element.vars(v);</div>
|
||
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keyword">const</span> Domain var_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
||
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keyword">const</span> <span class="keywordtype">int</span> index_lit = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(index_ref, v);</div>
|
||
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> bool_or->add_literals(index_lit);</div>
|
||
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> </div>
|
||
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="keywordflow">if</span> (var_domain.IsFixed()) {</div>
|
||
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->AddImplyInDomain(index_lit, target_ref, var_domain);</div>
|
||
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> ConstraintProto* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints();</div>
|
||
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(index_lit);</div>
|
||
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear()->add_vars(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
||
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear()->add_coeffs(1);</div>
|
||
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear()->add_vars(target_ref);</div>
|
||
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear()->add_coeffs(-1);</div>
|
||
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear()->add_domain(0);</div>
|
||
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear()->add_domain(0);</div>
|
||
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> }</div>
|
||
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> }</div>
|
||
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> </div>
|
||
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"element: expanded"</span>);</div>
|
||
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span>}</div>
|
||
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> </div>
|
||
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span><span class="keywordtype">void</span> ExpandElement(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="keyword">const</span> ElementConstraintProto& element = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->element();</div>
|
||
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> </div>
|
||
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keyword">const</span> <span class="keywordtype">int</span> index_ref = element.index();</div>
|
||
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <span class="keyword">const</span> <span class="keywordtype">int</span> target_ref = element.target();</div>
|
||
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = element.vars_size();</div>
|
||
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> </div>
|
||
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="comment">// Reduce the domain of the index to be compatible with the array of</span></div>
|
||
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="comment">// variables. Note that the element constraint is 0 based.</span></div>
|
||
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(index_ref, Domain(0, size - 1))) {</div>
|
||
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Empty domain for the index variable in ExpandElement()"</span>;</div>
|
||
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> }</div>
|
||
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> </div>
|
||
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="comment">// Special case when index = target.</span></div>
|
||
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="keywordflow">if</span> (index_ref == target_ref) {</div>
|
||
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> ExpandElementWithTargetEqualIndex(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> }</div>
|
||
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> </div>
|
||
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="comment">// Reduces the domain of the index and the target.</span></div>
|
||
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordtype">bool</span> all_constants = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> std::vector<int64_t> valid_indices;</div>
|
||
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keyword">const</span> Domain index_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(index_ref);</div>
|
||
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <span class="keyword">const</span> Domain target_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(target_ref);</div>
|
||
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> Domain reached_domain;</div>
|
||
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : index_domain.Values()) {</div>
|
||
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> <span class="keyword">const</span> Domain var_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(element.vars(v));</div>
|
||
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="keywordflow">if</span> (var_domain.IntersectionWith(target_domain).IsEmpty()) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> </div>
|
||
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> valid_indices.push_back(v);</div>
|
||
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> reached_domain = reached_domain.UnionWith(var_domain);</div>
|
||
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <span class="keywordflow">if</span> (var_domain.Min() != var_domain.Max()) {</div>
|
||
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> all_constants = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> }</div>
|
||
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> }</div>
|
||
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> </div>
|
||
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="keywordflow">if</span> (valid_indices.size() < index_domain.Size()) {</div>
|
||
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(index_ref,</div>
|
||
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <a class="code hl_function" href="classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb">Domain::FromValues</a>(valid_indices))) {</div>
|
||
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"No compatible variable domains in ExpandElement()"</span>;</div>
|
||
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> }</div>
|
||
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> </div>
|
||
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"element: reduced index domain"</span>);</div>
|
||
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> }</div>
|
||
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> </div>
|
||
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="comment">// We know the target_domain is not empty as this would have triggered the</span></div>
|
||
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="comment">// above check.</span></div>
|
||
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="keywordtype">bool</span> target_domain_changed = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(target_ref, reached_domain,</div>
|
||
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> &target_domain_changed)) {</div>
|
||
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> }</div>
|
||
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> </div>
|
||
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keywordflow">if</span> (target_domain_changed) {</div>
|
||
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"element: reduced target domain"</span>);</div>
|
||
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> }</div>
|
||
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> </div>
|
||
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <span class="keywordflow">if</span> (all_constants) {</div>
|
||
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> ExpandConstantArrayElement(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> }</div>
|
||
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> </div>
|
||
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> ExpandVariableElement(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span>}</div>
|
||
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> </div>
|
||
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span><span class="comment">// Adds clauses so that literals[i] true <=> encoding[values[i]] true.</span></div>
|
||
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span><span class="comment">// This also implicitly use the fact that exactly one alternative is true.</span></div>
|
||
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span><span class="keywordtype">void</span> LinkLiteralsAndValues(<span class="keyword">const</span> std::vector<int>& literals,</div>
|
||
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="keyword">const</span> std::vector<int64_t>& values,</div>
|
||
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, int>& encoding,</div>
|
||
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(literals.size(), values.size());</div>
|
||
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> </div>
|
||
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="comment">// We use a map to make this method deterministic.</span></div>
|
||
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="comment">// TODO(user): Make sure this does not appear in the profile. We could use</span></div>
|
||
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="comment">// the same code as in ProcessOneVariable() otherwise.</span></div>
|
||
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> absl::btree_map<int, std::vector<int>> encoding_lit_to_support;</div>
|
||
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> </div>
|
||
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="comment">// If a value is false (i.e not possible), then the tuple with this</span></div>
|
||
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="comment">// value is false too (i.e not possible). Conversely, if the tuple is</span></div>
|
||
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="comment">// selected, the value must be selected.</span></div>
|
||
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < values.size(); ++i) {</div>
|
||
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> encoding_lit_to_support[encoding.at(values[i])].push_back(literals[i]);</div>
|
||
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> }</div>
|
||
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> </div>
|
||
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="comment">// If all tuples supporting a value are false, then this value must be</span></div>
|
||
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="comment">// false.</span></div>
|
||
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [encoding_lit, support] : encoding_lit_to_support) {</div>
|
||
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!support.empty());</div>
|
||
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="keywordflow">if</span> (support.size() == 1) {</div>
|
||
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->StoreBooleanEqualityRelation(encoding_lit, support[0]);</div>
|
||
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> BoolArgumentProto* bool_or =</div>
|
||
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(encoding_lit));</div>
|
||
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> lit : support) {</div>
|
||
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> bool_or->add_literals(lit);</div>
|
||
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->AddImplication(lit, encoding_lit);</div>
|
||
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> }</div>
|
||
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> }</div>
|
||
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> }</div>
|
||
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span>}</div>
|
||
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> </div>
|
||
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span><span class="comment">// Add the constraint literal => one_of(encoding[v]), for v in reachable_values.</span></div>
|
||
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span><span class="comment">// Note that all possible values are the ones appearing in encoding.</span></div>
|
||
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span><span class="keywordtype">void</span> AddImplyInReachableValues(<span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>,</div>
|
||
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> std::vector<int64_t>& reachable_values,</div>
|
||
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, int> encoding,</div>
|
||
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <a class="code hl_function" href="namespacegtl.html#a288a1dc92da5d3ad62d4bc4cec9e8b1d">gtl::STLSortAndRemoveDuplicates</a>(&reachable_values);</div>
|
||
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="keywordflow">if</span> (reachable_values.size() == encoding.size()) <span class="keywordflow">return</span>; <span class="comment">// No constraint.</span></div>
|
||
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keywordflow">if</span> (reachable_values.size() <= encoding.size() / 2) {</div>
|
||
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="comment">// Bool or encoding.</span></div>
|
||
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints();</div>
|
||
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
||
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> BoolArgumentProto* bool_or = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_bool_or();</div>
|
||
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : reachable_values) {</div>
|
||
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> bool_or->add_literals(encoding.at(v));</div>
|
||
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> }</div>
|
||
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> <span class="comment">// Bool and encoding.</span></div>
|
||
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> absl::flat_hash_set<int64_t> set(reachable_values.begin(),</div>
|
||
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> reachable_values.end());</div>
|
||
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints();</div>
|
||
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
||
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> BoolArgumentProto* bool_and = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_bool_and();</div>
|
||
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>] : encoding) {</div>
|
||
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="keywordflow">if</span> (!set.contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
|
||
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> bool_and->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>));</div>
|
||
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> }</div>
|
||
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> }</div>
|
||
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> }</div>
|
||
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span>}</div>
|
||
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> </div>
|
||
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span><span class="keywordtype">void</span> ExpandAutomaton(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> AutomatonConstraintProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a> = *<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_automaton();</div>
|
||
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> </div>
|
||
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.vars_size() == 0) {</div>
|
||
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="keyword">const</span> int64_t initial_state = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.starting_state();</div>
|
||
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t final_state : <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.final_states()) {</div>
|
||
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <span class="keywordflow">if</span> (initial_state == final_state) {</div>
|
||
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"automaton: empty and trivially feasible"</span>);</div>
|
||
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> }</div>
|
||
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> }</div>
|
||
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>)<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat(</div>
|
||
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> <span class="stringliteral">"automaton: empty with an initial state not in the final states."</span>);</div>
|
||
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_label_size() == 0) {</div>
|
||
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>)<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat(</div>
|
||
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="stringliteral">"automaton: non-empty with no transition."</span>);</div>
|
||
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> }</div>
|
||
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> </div>
|
||
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <span class="keyword">const</span> <span class="keywordtype">int</span> n = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.vars_size();</div>
|
||
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> <span class="keyword">const</span> std::vector<int> vars = {<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.vars().begin(), <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.vars().end()};</div>
|
||
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> </div>
|
||
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> <span class="comment">// Compute the set of reachable state at each time point.</span></div>
|
||
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <span class="keyword">const</span> absl::flat_hash_set<int64_t> final_states(</div>
|
||
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> {<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.final_states().begin(), <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.final_states().end()});</div>
|
||
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> std::vector<absl::flat_hash_set<int64_t>> reachable_states(n + 1);</div>
|
||
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> reachable_states[0].insert(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.starting_state());</div>
|
||
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> </div>
|
||
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> <span class="comment">// Forward pass.</span></div>
|
||
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> = 0; <a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> < n; ++<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>) {</div>
|
||
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> t = 0; t < <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_tail_size(); ++t) {</div>
|
||
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a> = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_tail(t);</div>
|
||
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="keyword">const</span> int64_t label = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_label(t);</div>
|
||
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a> = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_head(t);</div>
|
||
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> <span class="keywordflow">if</span> (!reachable_states[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>].contains(<a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a>)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>], label)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> == n - 1 && !final_states.contains(<a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a>)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> reachable_states[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> + 1].insert(<a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a>);</div>
|
||
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> }</div>
|
||
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> }</div>
|
||
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> </div>
|
||
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="comment">// Backward pass.</span></div>
|
||
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> = n - 1; <a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> >= 0; --<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>) {</div>
|
||
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> absl::flat_hash_set<int64_t> new_set;</div>
|
||
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> t = 0; t < <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_tail_size(); ++t) {</div>
|
||
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a> = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_tail(t);</div>
|
||
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="keyword">const</span> int64_t label = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_label(t);</div>
|
||
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a> = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_head(t);</div>
|
||
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> </div>
|
||
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> <span class="keywordflow">if</span> (!reachable_states[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>].contains(<a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a>)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>], label)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> <span class="keywordflow">if</span> (!reachable_states[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> + 1].contains(<a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a>)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> new_set.insert(<a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a>);</div>
|
||
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> }</div>
|
||
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> reachable_states[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>].swap(new_set);</div>
|
||
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> }</div>
|
||
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> </div>
|
||
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> <span class="comment">// We will model at each time step the current automaton state using Boolean</span></div>
|
||
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <span class="comment">// variables. We will have n+1 time step. At time zero, we start in the</span></div>
|
||
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="comment">// initial state, and at time n we should be in one of the final states. We</span></div>
|
||
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="comment">// don't need to create Booleans at at time when there is just one possible</span></div>
|
||
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <span class="comment">// state (like at time zero).</span></div>
|
||
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> absl::flat_hash_map<int64_t, int> encoding;</div>
|
||
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> absl::flat_hash_map<int64_t, int> in_encoding;</div>
|
||
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> absl::flat_hash_map<int64_t, int> out_encoding;</div>
|
||
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> <span class="keywordtype">bool</span> removed_values = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> </div>
|
||
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> = 0; <a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> < n; ++<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>) {</div>
|
||
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="comment">// All these vector have the same size. We will use them to enforce a</span></div>
|
||
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <span class="comment">// local table constraint representing one step of the automaton at the</span></div>
|
||
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> <span class="comment">// given time.</span></div>
|
||
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> std::vector<int64_t> in_states;</div>
|
||
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> std::vector<int64_t> labels;</div>
|
||
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> std::vector<int64_t> out_states;</div>
|
||
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_label_size(); ++i) {</div>
|
||
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a> = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_tail(i);</div>
|
||
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> <span class="keyword">const</span> int64_t label = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_label(i);</div>
|
||
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a> = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.transition_head(i);</div>
|
||
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> </div>
|
||
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> <span class="keywordflow">if</span> (!reachable_states[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>].contains(<a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a>)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keywordflow">if</span> (!reachable_states[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> + 1].contains(<a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a>)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>], label)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> </div>
|
||
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="comment">// TODO(user): if this transition correspond to just one in-state or</span></div>
|
||
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> <span class="comment">// one-out state or one variable value, we could reuse the corresponding</span></div>
|
||
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <span class="comment">// Boolean variable instead of creating a new one!</span></div>
|
||
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> in_states.push_back(<a class="code hl_variable" href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a>);</div>
|
||
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> labels.push_back(label);</div>
|
||
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> </div>
|
||
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> <span class="comment">// On the last step we don't need to distinguish the output states, so</span></div>
|
||
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <span class="comment">// we use zero.</span></div>
|
||
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> out_states.push_back(<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a> + 1 == n ? 0 : <a class="code hl_variable" href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a>);</div>
|
||
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> }</div>
|
||
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> </div>
|
||
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> <span class="comment">// Deal with single tuple.</span></div>
|
||
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_tuples = in_states.size();</div>
|
||
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> <span class="keywordflow">if</span> (num_tuples == 1) {</div>
|
||
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>], Domain(labels.front()))) {</div>
|
||
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Infeasible automaton."</span>;</div>
|
||
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> }</div>
|
||
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> in_encoding.clear();</div>
|
||
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> }</div>
|
||
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> </div>
|
||
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> <span class="comment">// Fully encode vars[time].</span></div>
|
||
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> {</div>
|
||
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> std::vector<int64_t> transitions = labels;</div>
|
||
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> <a class="code hl_function" href="namespacegtl.html#a288a1dc92da5d3ad62d4bc4cec9e8b1d">gtl::STLSortAndRemoveDuplicates</a>(&transitions);</div>
|
||
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> </div>
|
||
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> encoding.clear();</div>
|
||
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(</div>
|
||
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>], <a class="code hl_function" href="classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb">Domain::FromValues</a>(transitions), &removed_values)) {</div>
|
||
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Infeasible automaton."</span>;</div>
|
||
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> }</div>
|
||
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> </div>
|
||
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="comment">// Fully encode the variable.</span></div>
|
||
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <span class="comment">// We can leave the encoding empty for fixed vars.</span></div>
|
||
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>])) {</div>
|
||
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>]).Values()) {</div>
|
||
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> encoding[v] = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(vars[<a class="code hl_variable" href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a>], v);</div>
|
||
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> }</div>
|
||
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> }</div>
|
||
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> }</div>
|
||
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> </div>
|
||
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> <span class="comment">// Count how many time each value appear.</span></div>
|
||
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> <span class="comment">// We use this to reuse literals if possible.</span></div>
|
||
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> absl::flat_hash_map<int64_t, int> in_count;</div>
|
||
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> absl::flat_hash_map<int64_t, int> transition_count;</div>
|
||
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> absl::flat_hash_map<int64_t, int> out_count;</div>
|
||
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_tuples; ++i) {</div>
|
||
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> in_count[in_states[i]]++;</div>
|
||
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> transition_count[labels[i]]++;</div>
|
||
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> out_count[out_states[i]]++;</div>
|
||
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> }</div>
|
||
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> </div>
|
||
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> <span class="comment">// For each possible out states, create one Boolean variable.</span></div>
|
||
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="comment">// TODO(user): Add exactly one?</span></div>
|
||
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> {</div>
|
||
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> std::vector<int64_t> states = out_states;</div>
|
||
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <a class="code hl_function" href="namespacegtl.html#a288a1dc92da5d3ad62d4bc4cec9e8b1d">gtl::STLSortAndRemoveDuplicates</a>(&states);</div>
|
||
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> </div>
|
||
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> out_encoding.clear();</div>
|
||
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <span class="keywordflow">if</span> (states.size() == 2) {</div>
|
||
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NewBoolVar();</div>
|
||
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> out_encoding[states[0]] = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
|
||
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> out_encoding[states[1]] = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
||
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (states.size() > 2) {</div>
|
||
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <span class="keyword">struct </span>UniqueDetector {</div>
|
||
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> <span class="keywordtype">void</span> Set(int64_t v) {</div>
|
||
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> <span class="keywordflow">if</span> (!is_unique) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> <span class="keywordflow">if</span> (is_set) {</div>
|
||
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> <span class="keywordflow">if</span> (v != <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) is_unique = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> is_set = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = v;</div>
|
||
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> }</div>
|
||
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> }</div>
|
||
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> <span class="keywordtype">bool</span> is_set = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> <span class="keywordtype">bool</span> is_unique = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = 0;</div>
|
||
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> };</div>
|
||
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> </div>
|
||
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> <span class="comment">// Optimization to detect if we have an in state that is only matched to</span></div>
|
||
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> <span class="comment">// a single out state. Same with transition.</span></div>
|
||
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> absl::flat_hash_map<int64_t, UniqueDetector> out_to_in;</div>
|
||
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> absl::flat_hash_map<int64_t, UniqueDetector> out_to_transition;</div>
|
||
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_tuples; ++i) {</div>
|
||
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> out_to_in[out_states[i]].Set(in_states[i]);</div>
|
||
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> out_to_transition[out_states[i]].Set(labels[i]);</div>
|
||
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> }</div>
|
||
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> </div>
|
||
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t state : states) {</div>
|
||
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> <span class="comment">// If we have a relation in_state <=> out_state, then we can reuse</span></div>
|
||
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> <span class="comment">// the in Boolean and do not need to create a new one.</span></div>
|
||
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> <span class="keywordflow">if</span> (!in_encoding.empty() && out_to_in[state].is_unique) {</div>
|
||
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> <span class="keyword">const</span> int64_t unique_in = out_to_in[state].value;</div>
|
||
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <span class="keywordflow">if</span> (in_count[unique_in] == out_count[state]) {</div>
|
||
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> out_encoding[state] = in_encoding[unique_in];</div>
|
||
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> }</div>
|
||
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> }</div>
|
||
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> </div>
|
||
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> <span class="comment">// Same if we have an unique transition value that correspond only to</span></div>
|
||
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="comment">// this state.</span></div>
|
||
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <span class="keywordflow">if</span> (!encoding.empty() && out_to_transition[state].is_unique) {</div>
|
||
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <span class="keyword">const</span> int64_t unique_transition = out_to_transition[state].value;</div>
|
||
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> <span class="keywordflow">if</span> (transition_count[unique_transition] == out_count[state]) {</div>
|
||
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> out_encoding[state] = encoding[unique_transition];</div>
|
||
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> }</div>
|
||
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> }</div>
|
||
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> </div>
|
||
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> out_encoding[state] = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NewBoolVar();</div>
|
||
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> }</div>
|
||
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> }</div>
|
||
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> }</div>
|
||
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> </div>
|
||
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> <span class="comment">// Simple encoding. This is enough to properly enforce the constraint, but</span></div>
|
||
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <span class="comment">// it propagate less. It creates a lot less Booleans though. Note that we</span></div>
|
||
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> <span class="comment">// use implicit "exactly one" on the encoding and do not add any extra</span></div>
|
||
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> <span class="comment">// exacly one if the simple encoding is used.</span></div>
|
||
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> <span class="comment">// We currently decide which encoding to use depending on the number of new</span></div>
|
||
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> <span class="comment">// literals needed by the "heavy" encoding compared to the number of states</span></div>
|
||
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> <span class="comment">// and labels. When the automaton is small, using the full encoding is</span></div>
|
||
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> <span class="comment">// better, see for instance on rotating-workforce_Example789 were the simple</span></div>
|
||
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <span class="comment">// encoding make the problem hard to solve but the full encoding allow the</span></div>
|
||
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> <span class="comment">// solver to solve it in a couple of seconds!</span></div>
|
||
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <span class="comment">// Note that both encoding create about the same number of constraints.</span></div>
|
||
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_involved_variables =</div>
|
||
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> in_encoding.size() + encoding.size() + out_encoding.size();</div>
|
||
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> use_light_encoding = (num_tuples > num_involved_variables);</div>
|
||
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> <span class="keywordflow">if</span> (use_light_encoding && !in_encoding.empty() && !encoding.empty() &&</div>
|
||
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> !out_encoding.empty()) {</div>
|
||
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> <span class="comment">// Part 1: If a in_state is selected, restrict the set of possible labels.</span></div>
|
||
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> <span class="comment">// We also restrict the set of possible out states, but this is not needed</span></div>
|
||
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> <span class="comment">// for correctness.</span></div>
|
||
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> absl::flat_hash_map<int64_t, std::vector<int64_t>> in_to_label;</div>
|
||
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> absl::flat_hash_map<int64_t, std::vector<int64_t>> in_to_out;</div>
|
||
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_tuples; ++i) {</div>
|
||
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> in_to_label[in_states[i]].push_back(labels[i]);</div>
|
||
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> in_to_out[in_states[i]].push_back(out_states[i]);</div>
|
||
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> }</div>
|
||
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [in_value, in_literal] : in_encoding) {</div>
|
||
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> AddImplyInReachableValues(in_literal, in_to_label[in_value], encoding,</div>
|
||
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> AddImplyInReachableValues(in_literal, in_to_out[in_value], out_encoding,</div>
|
||
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> }</div>
|
||
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> </div>
|
||
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <span class="comment">// Part2, add all 3-clauses: (in_state, label) => out_state.</span></div>
|
||
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_tuples; ++i) {</div>
|
||
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> <span class="keyword">auto</span>* bool_or =</div>
|
||
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(in_encoding.at(in_states[i])));</div>
|
||
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(encoding.at(labels[i])));</div>
|
||
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> bool_or->add_literals(out_encoding.at(out_states[i]));</div>
|
||
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> }</div>
|
||
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> </div>
|
||
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> in_encoding.swap(out_encoding);</div>
|
||
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> out_encoding.clear();</div>
|
||
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> }</div>
|
||
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> </div>
|
||
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> <span class="comment">// Create the tuple literals.</span></div>
|
||
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> <span class="comment">// TODO(user): Call and use the same heuristics as the table constraint to</span></div>
|
||
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> <span class="comment">// expand this small table with 3 columns (i.e. compress, negate, etc...).</span></div>
|
||
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> std::vector<int> tuple_literals;</div>
|
||
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> <span class="keywordflow">if</span> (num_tuples == 2) {</div>
|
||
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> <span class="keyword">const</span> <span class="keywordtype">int</span> bool_var = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NewBoolVar();</div>
|
||
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> tuple_literals.push_back(bool_var);</div>
|
||
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> tuple_literals.push_back(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(bool_var));</div>
|
||
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> <span class="comment">// Note that we do not need the ExactlyOneConstraint(tuple_literals)</span></div>
|
||
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> <span class="comment">// because it is already implicitly encoded since we have exactly one</span></div>
|
||
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// transition value. But adding one seems to help.</span></div>
|
||
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> BoolArgumentProto* exactly_one =</div>
|
||
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_exactly_one();</div>
|
||
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_tuples; ++i) {</div>
|
||
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> <span class="keywordtype">int</span> tuple_literal;</div>
|
||
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> <span class="keywordflow">if</span> (in_count[in_states[i]] == 1 && !in_encoding.empty()) {</div>
|
||
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> tuple_literal = in_encoding[in_states[i]];</div>
|
||
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (transition_count[labels[i]] == 1 && !encoding.empty()) {</div>
|
||
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> tuple_literal = encoding[labels[i]];</div>
|
||
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (out_count[out_states[i]] == 1 && !out_encoding.empty()) {</div>
|
||
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> tuple_literal = out_encoding[out_states[i]];</div>
|
||
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> tuple_literal = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NewBoolVar();</div>
|
||
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> }</div>
|
||
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> </div>
|
||
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> tuple_literals.push_back(tuple_literal);</div>
|
||
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> exactly_one->add_literals(tuple_literal);</div>
|
||
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> }</div>
|
||
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> }</div>
|
||
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> </div>
|
||
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> <span class="keywordflow">if</span> (!in_encoding.empty()) {</div>
|
||
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> LinkLiteralsAndValues(tuple_literals, in_states, in_encoding, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> }</div>
|
||
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <span class="keywordflow">if</span> (!encoding.empty()) {</div>
|
||
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> LinkLiteralsAndValues(tuple_literals, labels, encoding, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> }</div>
|
||
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="keywordflow">if</span> (!out_encoding.empty()) {</div>
|
||
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> LinkLiteralsAndValues(tuple_literals, out_states, out_encoding, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> }</div>
|
||
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> </div>
|
||
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> in_encoding.swap(out_encoding);</div>
|
||
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> out_encoding.clear();</div>
|
||
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> }</div>
|
||
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> </div>
|
||
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="keywordflow">if</span> (removed_values) {</div>
|
||
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"automaton: reduced variable domains"</span>);</div>
|
||
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> }</div>
|
||
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"automaton: expanded"</span>);</div>
|
||
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span>}</div>
|
||
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> </div>
|
||
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span><span class="keywordtype">void</span> ExpandNegativeTable(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> TableConstraintProto& table = *<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_table();</div>
|
||
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = table.vars_size();</div>
|
||
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_original_tuples = table.values_size() / num_vars;</div>
|
||
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> std::vector<std::vector<int64_t>> tuples(num_original_tuples);</div>
|
||
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> <span class="keywordtype">int</span> count = 0;</div>
|
||
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_original_tuples; ++i) {</div>
|
||
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < num_vars; ++j) {</div>
|
||
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> tuples[i].push_back(table.values(count++));</div>
|
||
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> }</div>
|
||
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> }</div>
|
||
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> </div>
|
||
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> <span class="keywordflow">if</span> (tuples.empty()) { <span class="comment">// Early exit.</span></div>
|
||
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: empty negated constraint"</span>);</div>
|
||
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> }</div>
|
||
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> </div>
|
||
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> <span class="comment">// Compress tuples.</span></div>
|
||
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="keyword">const</span> int64_t any_value = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>();</div>
|
||
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> std::vector<int64_t> domain_sizes;</div>
|
||
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
|
||
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> domain_sizes.push_back(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(table.vars(i)).Size());</div>
|
||
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> }</div>
|
||
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a3e5f39b52251ad02e571592493b4d39f">CompressTuples</a>(domain_sizes, any_value, &tuples);</div>
|
||
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> </div>
|
||
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="comment">// For each tuple, forbid the variables values to be this tuple.</span></div>
|
||
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> std::vector<int> clause;</div>
|
||
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::vector<int64_t>& tuple : tuples) {</div>
|
||
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> clause.clear();</div>
|
||
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
|
||
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = tuple[i];</div>
|
||
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == any_value) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> </div>
|
||
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> =</div>
|
||
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(table.vars(i), <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
||
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> clause.push_back(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>));</div>
|
||
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> }</div>
|
||
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> </div>
|
||
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> <span class="comment">// Note: if the clause is empty, then the model is infeasible.</span></div>
|
||
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> BoolArgumentProto* bool_or =</div>
|
||
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> lit : clause) {</div>
|
||
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> bool_or->add_literals(lit);</div>
|
||
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> }</div>
|
||
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> }</div>
|
||
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: expanded negated constraint"</span>);</div>
|
||
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span>}</div>
|
||
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> </div>
|
||
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span><span class="comment">// Add the implications and clauses to link one variable of a table to the</span></div>
|
||
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span><span class="comment">// literals controlling if the tuples are possible or not. The parallel vectors</span></div>
|
||
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span><span class="comment">// (tuple_literals, values) contains all valid projected tuples.</span></div>
|
||
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span><span class="comment">// The special value "any_value" is used to indicate literal that will support</span></div>
|
||
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span><span class="comment">// any value.</span></div>
|
||
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span><span class="keywordtype">void</span> ProcessOneVariable(<span class="keyword">const</span> std::vector<int>& tuple_literals,</div>
|
||
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> <span class="keyword">const</span> std::vector<int64_t>& values, <span class="keywordtype">int</span> variable,</div>
|
||
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> int64_t any_value, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <span class="stringliteral">"Process var("</span> << variable << <span class="stringliteral">") with domain "</span></div>
|
||
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> << <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(variable) << <span class="stringliteral">" and "</span> << values.size()</div>
|
||
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> << <span class="stringliteral">" tuples."</span>;</div>
|
||
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(tuple_literals.size(), values.size());</div>
|
||
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> </div>
|
||
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> <span class="comment">// Collect pairs of value-literal.</span></div>
|
||
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> std::vector<int> tuples_with_any;</div>
|
||
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> std::vector<std::pair<int64_t, int>> pairs;</div>
|
||
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < values.size(); ++i) {</div>
|
||
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = values[i];</div>
|
||
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == any_value) {</div>
|
||
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> tuples_with_any.push_back(tuple_literals[i]);</div>
|
||
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> }</div>
|
||
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(variable, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
||
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> pairs.emplace_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, tuple_literals[i]);</div>
|
||
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> }</div>
|
||
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> </div>
|
||
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> <span class="comment">// Regroup literal with the same value and add for each the clause: If all the</span></div>
|
||
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <span class="comment">// tuples containing a value are false, then this value must be false too.</span></div>
|
||
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> std::vector<int> selected;</div>
|
||
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> std::sort(pairs.begin(), pairs.end());</div>
|
||
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < pairs.size();) {</div>
|
||
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> selected.clear();</div>
|
||
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = pairs[i].first;</div>
|
||
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> <span class="keywordflow">for</span> (; i < pairs.size() && pairs[i].first == <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>; ++i) {</div>
|
||
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> selected.push_back(pairs[i].second);</div>
|
||
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> }</div>
|
||
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> </div>
|
||
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!selected.empty() || !tuples_with_any.empty());</div>
|
||
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> <span class="keywordflow">if</span> (selected.size() == 1 && tuples_with_any.empty()) {</div>
|
||
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InsertVarValueEncoding(selected.front(), variable, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
||
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> <span class="keyword">const</span> <span class="keywordtype">int</span> value_literal =</div>
|
||
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(variable, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
||
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> BoolArgumentProto* no_support =</div>
|
||
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> lit : selected) {</div>
|
||
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> no_support->add_literals(lit);</div>
|
||
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->AddImplication(lit, value_literal);</div>
|
||
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> }</div>
|
||
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> lit : tuples_with_any) {</div>
|
||
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> no_support->add_literals(lit);</div>
|
||
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> }</div>
|
||
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> </div>
|
||
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> <span class="comment">// And the "value" literal.</span></div>
|
||
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> no_support->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(value_literal));</div>
|
||
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> }</div>
|
||
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> }</div>
|
||
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span>}</div>
|
||
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> </div>
|
||
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span><span class="comment">// Simpler encoding for table constraints with 2 variables.</span></div>
|
||
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span><span class="keywordtype">void</span> AddSizeTwoTable(</div>
|
||
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> <span class="keyword">const</span> std::vector<int>& vars,</div>
|
||
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> <span class="keyword">const</span> std::vector<std::vector<int64_t>>& tuples,</div>
|
||
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> <span class="keyword">const</span> std::vector<absl::flat_hash_set<int64_t>>& values_per_var,</div>
|
||
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(vars.size(), 2);</div>
|
||
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> <span class="keyword">const</span> <span class="keywordtype">int</span> left_var = vars[0];</div>
|
||
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> <span class="keyword">const</span> <span class="keywordtype">int</span> right_var = vars[1];</div>
|
||
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(left_var).IsFixed() ||</div>
|
||
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(right_var).IsFixed()) {</div>
|
||
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="comment">// A table constraint with at most one variable not fixed is trivially</span></div>
|
||
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> <span class="comment">// enforced after domain reduction.</span></div>
|
||
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> }</div>
|
||
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> </div>
|
||
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> absl::btree_map<int, std::vector<int>> left_to_right;</div>
|
||
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> absl::btree_map<int, std::vector<int>> right_to_left;</div>
|
||
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> </div>
|
||
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& tuple : tuples) {</div>
|
||
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> <span class="keyword">const</span> int64_t left_value(tuple[0]);</div>
|
||
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> <span class="keyword">const</span> int64_t right_value(tuple[1]);</div>
|
||
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(left_var, left_value));</div>
|
||
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(right_var, right_value));</div>
|
||
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> </div>
|
||
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> <span class="keyword">const</span> <span class="keywordtype">int</span> left_literal =</div>
|
||
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(left_var, left_value);</div>
|
||
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> <span class="keyword">const</span> <span class="keywordtype">int</span> right_literal =</div>
|
||
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(right_var, right_value);</div>
|
||
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> left_to_right[left_literal].push_back(right_literal);</div>
|
||
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> right_to_left[right_literal].push_back(left_literal);</div>
|
||
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> }</div>
|
||
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> </div>
|
||
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> <span class="keywordtype">int</span> num_implications = 0;</div>
|
||
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> <span class="keywordtype">int</span> num_clause_added = 0;</div>
|
||
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> <span class="keywordtype">int</span> num_large_clause_added = 0;</div>
|
||
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> <span class="keyword">auto</span> add_support_constraint =</div>
|
||
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> [<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, &num_clause_added, &num_large_clause_added, &num_implications](</div>
|
||
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> <span class="keywordtype">int</span> lit, <span class="keyword">const</span> std::vector<int>& support_literals,</div>
|
||
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> <span class="keywordtype">int</span> max_support_size) {</div>
|
||
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> <span class="keywordflow">if</span> (support_literals.size() == max_support_size) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> <span class="keywordflow">if</span> (support_literals.size() == 1) {</div>
|
||
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->AddImplication(lit, support_literals.front());</div>
|
||
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> num_implications++;</div>
|
||
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> BoolArgumentProto* bool_or =</div>
|
||
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> support_literal : support_literals) {</div>
|
||
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> bool_or->add_literals(support_literal);</div>
|
||
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> }</div>
|
||
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(lit));</div>
|
||
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> num_clause_added++;</div>
|
||
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> <span class="keywordflow">if</span> (support_literals.size() > max_support_size / 2) {</div>
|
||
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> num_large_clause_added++;</div>
|
||
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> }</div>
|
||
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> }</div>
|
||
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> };</div>
|
||
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> </div>
|
||
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& it : left_to_right) {</div>
|
||
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> add_support_constraint(it.first, it.second, values_per_var[1].size());</div>
|
||
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> }</div>
|
||
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& it : right_to_left) {</div>
|
||
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> add_support_constraint(it.first, it.second, values_per_var[0].size());</div>
|
||
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> }</div>
|
||
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <span class="stringliteral">"Table: 2 variables, "</span> << tuples.size() << <span class="stringliteral">" tuples encoded using "</span></div>
|
||
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> << num_clause_added << <span class="stringliteral">" clauses, including "</span></div>
|
||
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> << num_large_clause_added << <span class="stringliteral">" large clauses, "</span> << num_implications</div>
|
||
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> << <span class="stringliteral">" implications"</span>;</div>
|
||
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span>}</div>
|
||
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> </div>
|
||
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span><span class="keywordtype">void</span> ExpandPositiveTable(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> <span class="keyword">const</span> TableConstraintProto& table = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->table();</div>
|
||
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = table.vars_size();</div>
|
||
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_original_tuples = table.values_size() / num_vars;</div>
|
||
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> </div>
|
||
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> <span class="comment">// Read tuples flat array and recreate the vector of tuples.</span></div>
|
||
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> <span class="keyword">const</span> std::vector<int> vars(table.vars().begin(), table.vars().end());</div>
|
||
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span> std::vector<std::vector<int64_t>> tuples(num_original_tuples);</div>
|
||
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> <span class="keywordtype">int</span> count = 0;</div>
|
||
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tuple_index = 0; tuple_index < num_original_tuples; ++tuple_index) {</div>
|
||
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < num_vars; ++var_index) {</div>
|
||
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> tuples[tuple_index].push_back(table.values(count++));</div>
|
||
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> }</div>
|
||
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span> }</div>
|
||
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> </div>
|
||
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span> <span class="comment">// Compute the set of possible values for each variable (from the table).</span></div>
|
||
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span> <span class="comment">// Remove invalid tuples along the way.</span></div>
|
||
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span> std::vector<absl::flat_hash_set<int64_t>> values_per_var(num_vars);</div>
|
||
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> <span class="keywordtype">int</span> new_size = 0;</div>
|
||
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tuple_index = 0; tuple_index < num_original_tuples; ++tuple_index) {</div>
|
||
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> <span class="keywordtype">bool</span> keep = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < num_vars; ++var_index) {</div>
|
||
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = tuples[tuple_index][var_index];</div>
|
||
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(vars[var_index], <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
|
||
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> keep = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> }</div>
|
||
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> }</div>
|
||
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> <span class="keywordflow">if</span> (keep) {</div>
|
||
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < num_vars; ++var_index) {</div>
|
||
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span> values_per_var[var_index].insert(tuples[tuple_index][var_index]);</div>
|
||
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> }</div>
|
||
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2">std::swap</a>(tuples[tuple_index], tuples[new_size]);</div>
|
||
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> new_size++;</div>
|
||
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> }</div>
|
||
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> }</div>
|
||
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> tuples.resize(new_size);</div>
|
||
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_valid_tuples = tuples.size();</div>
|
||
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> </div>
|
||
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> <span class="keywordflow">if</span> (tuples.empty()) {</div>
|
||
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: empty"</span>);</div>
|
||
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>)<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat();</div>
|
||
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> }</div>
|
||
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> </div>
|
||
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> <span class="comment">// Update variable domains. It is redundant with presolve, but we could be</span></div>
|
||
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> <span class="comment">// here with presolve = false.</span></div>
|
||
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> <span class="comment">// Also counts the number of fixed variables.</span></div>
|
||
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> <span class="keywordtype">int</span> num_fixed_variables = 0;</div>
|
||
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < num_vars; ++var_index) {</div>
|
||
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(</div>
|
||
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> vars[var_index],</div>
|
||
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> <a class="code hl_function" href="classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb">Domain::FromValues</a>({values_per_var[var_index].begin(),</div>
|
||
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> values_per_var[var_index].end()})));</div>
|
||
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(vars[var_index]).IsFixed()) {</div>
|
||
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> num_fixed_variables++;</div>
|
||
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span> }</div>
|
||
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> }</div>
|
||
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> </div>
|
||
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> <span class="keywordflow">if</span> (num_fixed_variables == num_vars - 1) {</div>
|
||
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: one variable not fixed"</span>);</div>
|
||
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (num_fixed_variables == num_vars) {</div>
|
||
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: all variables fixed"</span>);</div>
|
||
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> }</div>
|
||
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> </div>
|
||
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> <span class="comment">// Tables with two variables do not need tuple literals.</span></div>
|
||
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> <span class="keywordflow">if</span> (num_vars == 2) {</div>
|
||
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> AddSizeTwoTable(vars, tuples, values_per_var, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(</div>
|
||
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> <span class="stringliteral">"table: expanded positive constraint with two variables"</span>);</div>
|
||
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> }</div>
|
||
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> </div>
|
||
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> <span class="comment">// It is easier to compute this before compression, as compression will merge</span></div>
|
||
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> <span class="comment">// tuples.</span></div>
|
||
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> <span class="keywordtype">int</span> num_prefix_tuples = 0;</div>
|
||
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> {</div>
|
||
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> absl::flat_hash_set<absl::Span<const int64_t>> prefixes;</div>
|
||
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::vector<int64_t>& tuple : tuples) {</div>
|
||
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> prefixes.insert(absl::MakeSpan(tuple.data(), num_vars - 1));</div>
|
||
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> }</div>
|
||
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> num_prefix_tuples = prefixes.size();</div>
|
||
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> }</div>
|
||
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> </div>
|
||
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> <span class="comment">// TODO(user): reinvestigate ExploreSubsetOfVariablesAndAddNegatedTables.</span></div>
|
||
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> </div>
|
||
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> <span class="comment">// Compress tuples.</span></div>
|
||
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> <span class="keyword">const</span> int64_t any_value = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>();</div>
|
||
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> std::vector<int64_t> domain_sizes;</div>
|
||
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
|
||
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span> domain_sizes.push_back(values_per_var[i].size());</div>
|
||
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span> }</div>
|
||
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_tuples_before_compression = tuples.size();</div>
|
||
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a3e5f39b52251ad02e571592493b4d39f">CompressTuples</a>(domain_sizes, any_value, &tuples);</div>
|
||
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_compressed_tuples = tuples.size();</div>
|
||
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> <span class="keywordflow">if</span> (num_compressed_tuples < num_tuples_before_compression) {</div>
|
||
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: compress tuples"</span>);</div>
|
||
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> }</div>
|
||
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> </div>
|
||
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> <span class="keywordflow">if</span> (num_compressed_tuples == 1) {</div>
|
||
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span> <span class="comment">// Domains are propagated. We can remove the constraint.</span></div>
|
||
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: one tuple"</span>);</div>
|
||
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span> }</div>
|
||
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> </div>
|
||
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span> <span class="comment">// Detect if prefix tuples are all different.</span></div>
|
||
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> prefixes_are_all_different = num_prefix_tuples == num_valid_tuples;</div>
|
||
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> <span class="keywordflow">if</span> (prefixes_are_all_different) {</div>
|
||
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(</div>
|
||
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> <span class="stringliteral">"TODO table: last value implied by previous values"</span>);</div>
|
||
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> }</div>
|
||
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> <span class="comment">// TODO(user): if 2 table constraints share the same valid prefix, the</span></div>
|
||
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> <span class="comment">// tuple literals can be reused.</span></div>
|
||
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> <span class="comment">// TODO(user): investigate different encoding for prefix tables. Maybe</span></div>
|
||
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> <span class="comment">// we can remove the need to create tuple literals.</span></div>
|
||
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> </div>
|
||
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> <span class="comment">// Debug message to log the status of the expansion.</span></div>
|
||
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a>(2)) {</div>
|
||
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> <span class="comment">// Compute the maximum number of prefix tuples.</span></div>
|
||
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> int64_t max_num_prefix_tuples = 1;</div>
|
||
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index + 1 < num_vars; ++var_index) {</div>
|
||
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> max_num_prefix_tuples =</div>
|
||
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> <a class="code hl_function" href="namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534">CapProd</a>(max_num_prefix_tuples, values_per_var[var_index].size());</div>
|
||
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> }</div>
|
||
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> </div>
|
||
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> std::string <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a> =</div>
|
||
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> absl::StrCat(<span class="stringliteral">"Table: "</span>, num_vars,</div>
|
||
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> <span class="stringliteral">" variables, original tuples = "</span>, num_original_tuples);</div>
|
||
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> <span class="keywordflow">if</span> (num_valid_tuples != num_original_tuples) {</div>
|
||
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> absl::StrAppend(&<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>, <span class="stringliteral">", valid tuples = "</span>, num_valid_tuples);</div>
|
||
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> }</div>
|
||
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span> <span class="keywordflow">if</span> (prefixes_are_all_different) {</div>
|
||
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span> <span class="keywordflow">if</span> (num_prefix_tuples < max_num_prefix_tuples) {</div>
|
||
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span> absl::StrAppend(&<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>, <span class="stringliteral">", partial prefix = "</span>, num_prefix_tuples, <span class="stringliteral">"/"</span>,</div>
|
||
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span> max_num_prefix_tuples);</div>
|
||
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span> absl::StrAppend(&<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>, <span class="stringliteral">", full prefix = true"</span>);</div>
|
||
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span> }</div>
|
||
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span> absl::StrAppend(&<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>, <span class="stringliteral">", num prefix tuples = "</span>, num_prefix_tuples);</div>
|
||
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span> }</div>
|
||
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span> <span class="keywordflow">if</span> (num_compressed_tuples != num_valid_tuples) {</div>
|
||
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span> absl::StrAppend(&<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>,</div>
|
||
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> <span class="stringliteral">", compressed tuples = "</span>, num_compressed_tuples);</div>
|
||
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> }</div>
|
||
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>;</div>
|
||
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> }</div>
|
||
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> </div>
|
||
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> <span class="comment">// Log if we have only two tuples.</span></div>
|
||
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span> <span class="keywordflow">if</span> (num_compressed_tuples == 2) {</div>
|
||
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"TODO table: two tuples"</span>);</div>
|
||
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span> }</div>
|
||
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> </div>
|
||
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> <span class="comment">// Create one Boolean variable per tuple to indicate if it can still be</span></div>
|
||
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span> <span class="comment">// selected or not.</span></div>
|
||
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span> std::vector<int> tuple_literals(num_compressed_tuples);</div>
|
||
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span> BoolArgumentProto* exactly_one =</div>
|
||
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_exactly_one();</div>
|
||
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_compressed_tuples; ++i) {</div>
|
||
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span> tuple_literals[i] = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NewBoolVar();</div>
|
||
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> exactly_one->add_literals(tuple_literals[i]);</div>
|
||
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> }</div>
|
||
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> </div>
|
||
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> std::vector<int64_t> values(num_compressed_tuples);</div>
|
||
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < num_vars; ++var_index) {</div>
|
||
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> <span class="keywordflow">if</span> (values_per_var[var_index].size() == 1) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_compressed_tuples; ++i) {</div>
|
||
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span> values[i] = tuples[i][var_index];</div>
|
||
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> }</div>
|
||
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span> ProcessOneVariable(tuple_literals, values, vars[var_index], any_value,</div>
|
||
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span> }</div>
|
||
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span> </div>
|
||
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"table: expanded positive constraint"</span>);</div>
|
||
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span>}</div>
|
||
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> </div>
|
||
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span><span class="keywordtype">bool</span> AllDiffShouldBeExpanded(<span class="keyword">const</span> Domain& union_of_domains,</div>
|
||
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> <span class="keyword">const</span> AllDifferentConstraintProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a> = *<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_all_diff();</div>
|
||
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_exprs = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs_size();</div>
|
||
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span> <span class="keywordtype">int</span> num_fully_encoded = 0;</div>
|
||
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_exprs; ++i) {</div>
|
||
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFullyEncoded(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs(i))) {</div>
|
||
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> num_fully_encoded++;</div>
|
||
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span> }</div>
|
||
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span> }</div>
|
||
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span> </div>
|
||
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span> <span class="keywordflow">if</span> ((union_of_domains.Size() <= 2 * <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs_size()) ||</div>
|
||
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span> (union_of_domains.Size() <= 32)) {</div>
|
||
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span> <span class="comment">// Small domains.</span></div>
|
||
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> }</div>
|
||
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span> </div>
|
||
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span> <span class="keywordflow">if</span> (num_fully_encoded == num_exprs && union_of_domains.Size() < 256) {</div>
|
||
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span> <span class="comment">// All variables fully encoded, and domains are small enough.</span></div>
|
||
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span> }</div>
|
||
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span>}</div>
|
||
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span> </div>
|
||
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span><span class="keywordtype">void</span> ExpandAllDiff(<span class="keywordtype">bool</span> force_alldiff_expansion, ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>,</div>
|
||
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span> PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span> AllDifferentConstraintProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a> = *<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_all_diff();</div>
|
||
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs_size() <= 1) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span> </div>
|
||
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_exprs = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs_size();</div>
|
||
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span> Domain union_of_domains = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs(0));</div>
|
||
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < num_exprs; ++i) {</div>
|
||
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span> union_of_domains =</div>
|
||
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span> union_of_domains.UnionWith(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainSuperSetOf(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs(i)));</div>
|
||
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span> }</div>
|
||
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span> </div>
|
||
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span> <span class="keywordflow">if</span> (!AllDiffShouldBeExpanded(union_of_domains, <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) &&</div>
|
||
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span> !force_alldiff_expansion) {</div>
|
||
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span> }</div>
|
||
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span> </div>
|
||
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_a_permutation = num_exprs == union_of_domains.Size();</div>
|
||
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span> </div>
|
||
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span> <span class="comment">// Collect all possible variables that can take each value, and add one linear</span></div>
|
||
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span> <span class="comment">// equation per value stating that this value can be assigned at most once, or</span></div>
|
||
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span> <span class="comment">// exactly once in case of permutation.</span></div>
|
||
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t v : union_of_domains.Values()) {</div>
|
||
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span> <span class="comment">// Collect references which domain contains v.</span></div>
|
||
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span> std::vector<LinearExpressionProto> possible_exprs;</div>
|
||
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span> <span class="keywordtype">int</span> fixed_expression_count = 0;</div>
|
||
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> LinearExpressionProto& expr : <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.exprs()) {</div>
|
||
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(expr, v)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span> possible_exprs.push_back(expr);</div>
|
||
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(expr)) {</div>
|
||
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span> fixed_expression_count++;</div>
|
||
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span> }</div>
|
||
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span> }</div>
|
||
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span> </div>
|
||
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span> <span class="keywordflow">if</span> (fixed_expression_count > 1) {</div>
|
||
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span> <span class="comment">// Violates the definition of AllDifferent.</span></div>
|
||
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>)<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat();</div>
|
||
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fixed_expression_count == 1) {</div>
|
||
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span> <span class="comment">// Remove values from other domains.</span></div>
|
||
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> LinearExpressionProto& expr : possible_exprs) {</div>
|
||
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(expr)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(expr, Domain(v).Complement())) {</div>
|
||
<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Empty domain for a variable in ExpandAllDiff()"</span>;</div>
|
||
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span> }</div>
|
||
<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span> }</div>
|
||
<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span> }</div>
|
||
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span> </div>
|
||
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span> BoolArgumentProto* at_most_or_equal_one =</div>
|
||
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span> is_a_permutation</div>
|
||
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span> ? <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_exactly_one()</div>
|
||
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span> : <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_at_most_one();</div>
|
||
<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> LinearExpressionProto& expr : possible_exprs) {</div>
|
||
<div class="line"><a id="l01377" name="l01377"></a><span class="lineno"> 1377</span> <span class="comment">// The above propagation can remove a value after the expressions was</span></div>
|
||
<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span> <span class="comment">// added to possible_exprs.</span></div>
|
||
<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"> 1379</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(expr, v)) <span class="keywordflow">continue</span>;</div>
|
||
<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span> </div>
|
||
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span> <span class="comment">// If the expression is fixed, the created literal will be the true</span></div>
|
||
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span> <span class="comment">// literal. We still need to fail if two expressions are fixed to the same</span></div>
|
||
<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span> <span class="comment">// value.</span></div>
|
||
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span> <span class="keyword">const</span> <span class="keywordtype">int</span> encoding = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateAffineValueEncoding(expr, v);</div>
|
||
<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span> at_most_or_equal_one->add_literals(encoding);</div>
|
||
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span> }</div>
|
||
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span> }</div>
|
||
<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span> <span class="keywordflow">if</span> (is_a_permutation) {</div>
|
||
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"all_diff: permutation expanded"</span>);</div>
|
||
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"all_diff: expanded"</span>);</div>
|
||
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span> }</div>
|
||
<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span>}</div>
|
||
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span> </div>
|
||
<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span><span class="comment">// Replaces a constraint literal => ax + by != cte by a set of clauses.</span></div>
|
||
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span><span class="comment">// This is performed if the domains are small enough, and the variables are</span></div>
|
||
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span><span class="comment">// fully encoded.</span></div>
|
||
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span><span class="comment">// We do it during the expansion as we want the first pass of the presolve to be</span></div>
|
||
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span><span class="comment">// complete.</span></div>
|
||
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span><span class="keywordtype">void</span> ExpandSomeLinearOfSizeTwo(ConstraintProto* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, PresolveContext* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"> 1403</span> <span class="keyword">const</span> LinearConstraintProto& arg = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->linear();</div>
|
||
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span> <span class="keywordflow">if</span> (arg.vars_size() != 2) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span> </div>
|
||
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var1 = arg.vars(0);</div>
|
||
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var2 = arg.vars(1);</div>
|
||
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(var1) || <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IsFixed(var2)) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span> </div>
|
||
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span> <span class="keyword">const</span> int64_t coeff1 = arg.coeffs(0);</div>
|
||
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span> <span class="keyword">const</span> int64_t coeff2 = arg.coeffs(1);</div>
|
||
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span> </div>
|
||
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span> <span class="keyword">const</span> Domain reachable_rhs_superset =</div>
|
||
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(var1).MultiplicationBy(coeff1).AdditionWith(</div>
|
||
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(var2).MultiplicationBy(coeff2));</div>
|
||
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span> </div>
|
||
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span> <span class="keyword">const</span> Domain infeasible_reachable_values =</div>
|
||
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span> reachable_rhs_superset.IntersectionWith(</div>
|
||
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(arg).Complement());</div>
|
||
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span> </div>
|
||
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span> <span class="comment">// We only deal with != cte constraints.</span></div>
|
||
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span> <span class="keywordflow">if</span> (infeasible_reachable_values.Size() != 1) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span> </div>
|
||
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span> <span class="comment">// coeff1 * v1 + coeff2 * v2 != cte.</span></div>
|
||
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> = coeff1;</div>
|
||
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> = coeff2;</div>
|
||
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span> int64_t cte = infeasible_reachable_values.FixedValue();</div>
|
||
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span> int64_t x0 = 0;</div>
|
||
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span> int64_t y0 = 0;</div>
|
||
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a852a51b53f6217d6bfd1aef455f53f8c">SolveDiophantineEquationOfSizeTwo</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>, cte, x0, y0)) {</div>
|
||
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span> <span class="comment">// no solution.</span></div>
|
||
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"linear: expand always feasible ax + by != cte"</span>);</div>
|
||
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span> }</div>
|
||
<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span> <span class="keyword">const</span> Domain reduced_domain =</div>
|
||
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(var1)</div>
|
||
<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span> .AdditionWith(Domain(-x0))</div>
|
||
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span> .InverseMultiplicationBy(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>)</div>
|
||
<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span> .IntersectionWith(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(var2)</div>
|
||
<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span> .AdditionWith(Domain(-y0))</div>
|
||
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span> .InverseMultiplicationBy(-<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>));</div>
|
||
<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span> </div>
|
||
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span> <span class="keywordflow">if</span> (reduced_domain.Size() > 16) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span> </div>
|
||
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span> <span class="comment">// Check if all the needed values are encoded.</span></div>
|
||
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span> <span class="comment">// TODO(user): Do we force encoding for very small domains? Current</span></div>
|
||
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span> <span class="comment">// experiments says no, but revisit later.</span></div>
|
||
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span> <span class="keyword">const</span> int64_t size1 = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(var1).Size();</div>
|
||
<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"> 1450</span> <span class="keyword">const</span> int64_t size2 = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(var2).Size();</div>
|
||
<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t z : reduced_domain.Values()) {</div>
|
||
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span> <span class="keyword">const</span> int64_t value1 = x0 + <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> * z;</div>
|
||
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span> <span class="keyword">const</span> int64_t value2 = y0 - <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> * z;</div>
|
||
<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(var1, value1)) << <span class="stringliteral">"value1 = "</span> << value1;</div>
|
||
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainContains(var2, value2)) << <span class="stringliteral">"value2 = "</span> << value2;</div>
|
||
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"> 1456</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(coeff1 * value1 + coeff2 * value2,</div>
|
||
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span> infeasible_reachable_values.FixedValue());</div>
|
||
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span> <span class="comment">// TODO(user, fdid): Presolve if one or two variables are Boolean.</span></div>
|
||
<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->HasVarValueEncoding(var1, value1, <span class="keyword">nullptr</span>) || size1 == 2) {</div>
|
||
<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span> }</div>
|
||
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->HasVarValueEncoding(var2, value2, <span class="keyword">nullptr</span>) || size2 == 2) {</div>
|
||
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span> }</div>
|
||
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> }</div>
|
||
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span> </div>
|
||
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> <span class="comment">// All encoding literals already exist and the number of clauses to create</span></div>
|
||
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span> <span class="comment">// is small enough. We can encode the constraint using just clauses.</span></div>
|
||
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t z : reduced_domain.Values()) {</div>
|
||
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span> <span class="keyword">const</span> int64_t value1 = x0 + <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> * z;</div>
|
||
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span> <span class="keyword">const</span> int64_t value2 = y0 - <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> * z;</div>
|
||
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span> <span class="comment">// We cannot have both lit1 and lit2 true.</span></div>
|
||
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span> <span class="keyword">const</span> <span class="keywordtype">int</span> lit1 = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(var1, value1);</div>
|
||
<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</span> <span class="keyword">const</span> <span class="keywordtype">int</span> lit2 = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetOrCreateVarValueEncoding(var2, value2);</div>
|
||
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span> <span class="keyword">auto</span>* bool_or =</div>
|
||
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"> 1476</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->add_constraints()->mutable_bool_or();</div>
|
||
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(lit1));</div>
|
||
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(lit2));</div>
|
||
<div class="line"><a id="l01479" name="l01479"></a><span class="lineno"> 1479</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> lit : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->enforcement_literal()) {</div>
|
||
<div class="line"><a id="l01480" name="l01480"></a><span class="lineno"> 1480</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(lit));</div>
|
||
<div class="line"><a id="l01481" name="l01481"></a><span class="lineno"> 1481</span> }</div>
|
||
<div class="line"><a id="l01482" name="l01482"></a><span class="lineno"> 1482</span> }</div>
|
||
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span> </div>
|
||
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateRuleStats(<span class="stringliteral">"linear: expand small ax + by != cte"</span>);</div>
|
||
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->Clear();</div>
|
||
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</span>}</div>
|
||
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"> 1487</span> </div>
|
||
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span>} <span class="comment">// namespace</span></div>
|
||
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span> </div>
|
||
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a4d700795b2500705ef3031ec994fe472"> 1490</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a4d700795b2500705ef3031ec994fe472">ExpandCpModel</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>) {</div>
|
||
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->params().disable_constraint_expansion()) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ModelIsUnsat()) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"> 1493</span> </div>
|
||
<div class="line"><a id="l01494" name="l01494"></a><span class="lineno"> 1494</span> <span class="comment">// None of the function here need to be run twice. This is because we never</span></div>
|
||
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"> 1495</span> <span class="comment">// create constraint that need to be expanded during presolve.</span></div>
|
||
<div class="line"><a id="l01496" name="l01496"></a><span class="lineno"> 1496</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ModelIsExpanded()) <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span> </div>
|
||
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span> <span class="comment">// Make sure all domains are initialized.</span></div>
|
||
<div class="line"><a id="l01499" name="l01499"></a><span class="lineno"> 1499</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InitializeNewDomains();</div>
|
||
<div class="line"><a id="l01500" name="l01500"></a><span class="lineno"> 1500</span> </div>
|
||
<div class="line"><a id="l01501" name="l01501"></a><span class="lineno"> 1501</span> <span class="comment">// Clear the precedence cache.</span></div>
|
||
<div class="line"><a id="l01502" name="l01502"></a><span class="lineno"> 1502</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ClearPrecedenceCache();</div>
|
||
<div class="line"><a id="l01503" name="l01503"></a><span class="lineno"> 1503</span> </div>
|
||
<div class="line"><a id="l01504" name="l01504"></a><span class="lineno"> 1504</span> <span class="comment">// First pass: we look at constraints that may fully encode variables.</span></div>
|
||
<div class="line"><a id="l01505" name="l01505"></a><span class="lineno"> 1505</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->constraints_size(); ++i) {</div>
|
||
<div class="line"><a id="l01506" name="l01506"></a><span class="lineno"> 1506</span> ConstraintProto* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->mutable_constraints(i);</div>
|
||
<div class="line"><a id="l01507" name="l01507"></a><span class="lineno"> 1507</span> <span class="keywordtype">bool</span> skip = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l01508" name="l01508"></a><span class="lineno"> 1508</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->constraint_case()) {</div>
|
||
<div class="line"><a id="l01509" name="l01509"></a><span class="lineno"> 1509</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kReservoir:</div>
|
||
<div class="line"><a id="l01510" name="l01510"></a><span class="lineno"> 1510</span> ExpandReservoir(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01511" name="l01511"></a><span class="lineno"> 1511</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01512" name="l01512"></a><span class="lineno"> 1512</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kIntMod:</div>
|
||
<div class="line"><a id="l01513" name="l01513"></a><span class="lineno"> 1513</span> ExpandIntMod(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01514" name="l01514"></a><span class="lineno"> 1514</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01515" name="l01515"></a><span class="lineno"> 1515</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kIntProd:</div>
|
||
<div class="line"><a id="l01516" name="l01516"></a><span class="lineno"> 1516</span> ExpandIntProd(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01517" name="l01517"></a><span class="lineno"> 1517</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01518" name="l01518"></a><span class="lineno"> 1518</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kElement:</div>
|
||
<div class="line"><a id="l01519" name="l01519"></a><span class="lineno"> 1519</span> ExpandElement(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01520" name="l01520"></a><span class="lineno"> 1520</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01521" name="l01521"></a><span class="lineno"> 1521</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kInverse:</div>
|
||
<div class="line"><a id="l01522" name="l01522"></a><span class="lineno"> 1522</span> ExpandInverse(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01523" name="l01523"></a><span class="lineno"> 1523</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01524" name="l01524"></a><span class="lineno"> 1524</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kAutomaton:</div>
|
||
<div class="line"><a id="l01525" name="l01525"></a><span class="lineno"> 1525</span> ExpandAutomaton(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01526" name="l01526"></a><span class="lineno"> 1526</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01527" name="l01527"></a><span class="lineno"> 1527</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kTable:</div>
|
||
<div class="line"><a id="l01528" name="l01528"></a><span class="lineno"> 1528</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->table().negated()) {</div>
|
||
<div class="line"><a id="l01529" name="l01529"></a><span class="lineno"> 1529</span> ExpandNegativeTable(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01530" name="l01530"></a><span class="lineno"> 1530</span> } <span class="keywordflow">else</span> {</div>
|
||
<div class="line"><a id="l01531" name="l01531"></a><span class="lineno"> 1531</span> ExpandPositiveTable(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01532" name="l01532"></a><span class="lineno"> 1532</span> }</div>
|
||
<div class="line"><a id="l01533" name="l01533"></a><span class="lineno"> 1533</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01534" name="l01534"></a><span class="lineno"> 1534</span> <span class="keywordflow">default</span>:</div>
|
||
<div class="line"><a id="l01535" name="l01535"></a><span class="lineno"> 1535</span> skip = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l01536" name="l01536"></a><span class="lineno"> 1536</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01537" name="l01537"></a><span class="lineno"> 1537</span> }</div>
|
||
<div class="line"><a id="l01538" name="l01538"></a><span class="lineno"> 1538</span> <span class="keywordflow">if</span> (skip) <span class="keywordflow">continue</span>; <span class="comment">// Nothing was done for this constraint.</span></div>
|
||
<div class="line"><a id="l01539" name="l01539"></a><span class="lineno"> 1539</span> </div>
|
||
<div class="line"><a id="l01540" name="l01540"></a><span class="lineno"> 1540</span> <span class="comment">// Update variable-constraint graph.</span></div>
|
||
<div class="line"><a id="l01541" name="l01541"></a><span class="lineno"> 1541</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateNewConstraintsVariableUsage();</div>
|
||
<div class="line"><a id="l01542" name="l01542"></a><span class="lineno"> 1542</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->constraint_case() == ConstraintProto::CONSTRAINT_NOT_SET) {</div>
|
||
<div class="line"><a id="l01543" name="l01543"></a><span class="lineno"> 1543</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateConstraintVariableUsage(i);</div>
|
||
<div class="line"><a id="l01544" name="l01544"></a><span class="lineno"> 1544</span> }</div>
|
||
<div class="line"><a id="l01545" name="l01545"></a><span class="lineno"> 1545</span> </div>
|
||
<div class="line"><a id="l01546" name="l01546"></a><span class="lineno"> 1546</span> <span class="comment">// Early exit if the model is unsat.</span></div>
|
||
<div class="line"><a id="l01547" name="l01547"></a><span class="lineno"> 1547</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ModelIsUnsat()) {</div>
|
||
<div class="line"><a id="l01548" name="l01548"></a><span class="lineno"> 1548</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->logger(), <span class="stringliteral">"UNSAT after expansion of "</span>,</div>
|
||
<div class="line"><a id="l01549" name="l01549"></a><span class="lineno"> 1549</span> <a class="code hl_function" href="namespaceoperations__research.html#a87d7aa58897e0042898d1c2207deda18">ProtobufShortDebugString</a>(*<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>));</div>
|
||
<div class="line"><a id="l01550" name="l01550"></a><span class="lineno"> 1550</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01551" name="l01551"></a><span class="lineno"> 1551</span> }</div>
|
||
<div class="line"><a id="l01552" name="l01552"></a><span class="lineno"> 1552</span> }</div>
|
||
<div class="line"><a id="l01553" name="l01553"></a><span class="lineno"> 1553</span> </div>
|
||
<div class="line"><a id="l01554" name="l01554"></a><span class="lineno"> 1554</span> <span class="comment">// Second pass. We may decide to expand constraints if all their variables</span></div>
|
||
<div class="line"><a id="l01555" name="l01555"></a><span class="lineno"> 1555</span> <span class="comment">// are fully encoded.</span></div>
|
||
<div class="line"><a id="l01556" name="l01556"></a><span class="lineno"> 1556</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->constraints_size(); ++i) {</div>
|
||
<div class="line"><a id="l01557" name="l01557"></a><span class="lineno"> 1557</span> ConstraintProto* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->mutable_constraints(i);</div>
|
||
<div class="line"><a id="l01558" name="l01558"></a><span class="lineno"> 1558</span> <span class="keywordtype">bool</span> skip = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l01559" name="l01559"></a><span class="lineno"> 1559</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->constraint_case()) {</div>
|
||
<div class="line"><a id="l01560" name="l01560"></a><span class="lineno"> 1560</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kAllDiff:</div>
|
||
<div class="line"><a id="l01561" name="l01561"></a><span class="lineno"> 1561</span> ExpandAllDiff(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->params().expand_alldiff_constraints(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>,</div>
|
||
<div class="line"><a id="l01562" name="l01562"></a><span class="lineno"> 1562</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01563" name="l01563"></a><span class="lineno"> 1563</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01564" name="l01564"></a><span class="lineno"> 1564</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kLinear:</div>
|
||
<div class="line"><a id="l01565" name="l01565"></a><span class="lineno"> 1565</span> ExpandSomeLinearOfSizeTwo(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>);</div>
|
||
<div class="line"><a id="l01566" name="l01566"></a><span class="lineno"> 1566</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01567" name="l01567"></a><span class="lineno"> 1567</span> <span class="keywordflow">default</span>:</div>
|
||
<div class="line"><a id="l01568" name="l01568"></a><span class="lineno"> 1568</span> skip = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a id="l01569" name="l01569"></a><span class="lineno"> 1569</span> <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a id="l01570" name="l01570"></a><span class="lineno"> 1570</span> }</div>
|
||
<div class="line"><a id="l01571" name="l01571"></a><span class="lineno"> 1571</span> </div>
|
||
<div class="line"><a id="l01572" name="l01572"></a><span class="lineno"> 1572</span> <span class="keywordflow">if</span> (skip) <span class="keywordflow">continue</span>; <span class="comment">// Nothing was done for this constraint.</span></div>
|
||
<div class="line"><a id="l01573" name="l01573"></a><span class="lineno"> 1573</span> </div>
|
||
<div class="line"><a id="l01574" name="l01574"></a><span class="lineno"> 1574</span> <span class="comment">// Update variable-constraint graph.</span></div>
|
||
<div class="line"><a id="l01575" name="l01575"></a><span class="lineno"> 1575</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateNewConstraintsVariableUsage();</div>
|
||
<div class="line"><a id="l01576" name="l01576"></a><span class="lineno"> 1576</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->constraint_case() == ConstraintProto::CONSTRAINT_NOT_SET) {</div>
|
||
<div class="line"><a id="l01577" name="l01577"></a><span class="lineno"> 1577</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->UpdateConstraintVariableUsage(i);</div>
|
||
<div class="line"><a id="l01578" name="l01578"></a><span class="lineno"> 1578</span> }</div>
|
||
<div class="line"><a id="l01579" name="l01579"></a><span class="lineno"> 1579</span> </div>
|
||
<div class="line"><a id="l01580" name="l01580"></a><span class="lineno"> 1580</span> <span class="comment">// Early exit if the model is unsat.</span></div>
|
||
<div class="line"><a id="l01581" name="l01581"></a><span class="lineno"> 1581</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ModelIsUnsat()) {</div>
|
||
<div class="line"><a id="l01582" name="l01582"></a><span class="lineno"> 1582</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->logger(), <span class="stringliteral">"UNSAT after expansion of "</span>,</div>
|
||
<div class="line"><a id="l01583" name="l01583"></a><span class="lineno"> 1583</span> <a class="code hl_function" href="namespaceoperations__research.html#a87d7aa58897e0042898d1c2207deda18">ProtobufShortDebugString</a>(*<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>));</div>
|
||
<div class="line"><a id="l01584" name="l01584"></a><span class="lineno"> 1584</span> <span class="keywordflow">return</span>;</div>
|
||
<div class="line"><a id="l01585" name="l01585"></a><span class="lineno"> 1585</span> }</div>
|
||
<div class="line"><a id="l01586" name="l01586"></a><span class="lineno"> 1586</span> }</div>
|
||
<div class="line"><a id="l01587" name="l01587"></a><span class="lineno"> 1587</span> </div>
|
||
<div class="line"><a id="l01588" name="l01588"></a><span class="lineno"> 1588</span> <span class="comment">// The precedence cache can become invalid during presolve as it does not</span></div>
|
||
<div class="line"><a id="l01589" name="l01589"></a><span class="lineno"> 1589</span> <span class="comment">// handle variable substitution. It is safer just to clear it at the end</span></div>
|
||
<div class="line"><a id="l01590" name="l01590"></a><span class="lineno"> 1590</span> <span class="comment">// of the expansion phase.</span></div>
|
||
<div class="line"><a id="l01591" name="l01591"></a><span class="lineno"> 1591</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ClearPrecedenceCache();</div>
|
||
<div class="line"><a id="l01592" name="l01592"></a><span class="lineno"> 1592</span> </div>
|
||
<div class="line"><a id="l01593" name="l01593"></a><span class="lineno"> 1593</span> <span class="comment">// Make sure the context is consistent.</span></div>
|
||
<div class="line"><a id="l01594" name="l01594"></a><span class="lineno"> 1594</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InitializeNewDomains();</div>
|
||
<div class="line"><a id="l01595" name="l01595"></a><span class="lineno"> 1595</span> </div>
|
||
<div class="line"><a id="l01596" name="l01596"></a><span class="lineno"> 1596</span> <span class="comment">// Update any changed domain from the context.</span></div>
|
||
<div class="line"><a id="l01597" name="l01597"></a><span class="lineno"> 1597</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->variables_size(); ++i) {</div>
|
||
<div class="line"><a id="l01598" name="l01598"></a><span class="lineno"> 1598</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">FillDomainInProto</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->DomainOf(i),</div>
|
||
<div class="line"><a id="l01599" name="l01599"></a><span class="lineno"> 1599</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->mutable_variables(i));</div>
|
||
<div class="line"><a id="l01600" name="l01600"></a><span class="lineno"> 1600</span> }</div>
|
||
<div class="line"><a id="l01601" name="l01601"></a><span class="lineno"> 1601</span> </div>
|
||
<div class="line"><a id="l01602" name="l01602"></a><span class="lineno"> 1602</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsExpanded();</div>
|
||
<div class="line"><a id="l01603" name="l01603"></a><span class="lineno"> 1603</span>}</div>
|
||
<div class="line"><a id="l01604" name="l01604"></a><span class="lineno"> 1604</span> </div>
|
||
<div class="line"><a id="l01605" name="l01605"></a><span class="lineno"> 1605</span>} <span class="comment">// namespace sat</span></div>
|
||
<div class="line"><a id="l01606" name="l01606"></a><span class="lineno"> 1606</span>} <span class="comment">// namespace operations_research</span></div>
|
||
<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
|
||
<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</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="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00703">base/logging.h:703</a></div></div>
|
||
<div class="ttc" id="abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
|
||
<div class="ttc" id="abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0"><div class="ttname"><a href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a></div><div class="ttdeci">#define DCHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00891">base/logging.h:891</a></div></div>
|
||
<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#l00984">base/logging.h:984</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1_domain_html_a1f1de3874966a137f140748498f43e0c"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a1f1de3874966a137f140748498f43e0c">operations_research::Domain::Complement</a></div><div class="ttdeci">Domain Complement() const</div><div class="ttdoc">Returns the set Int64 ∖ D.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00266">sorted_interval_list.cc:266</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1_domain_html_ac2d88de67793063ad5f5e923ffd1c0eb"><div class="ttname"><a href="classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb">operations_research::Domain::FromValues</a></div><div class="ttdeci">static Domain FromValues(std::vector< int64_t > values)</div><div class="ttdoc">Creates a domain from the union of an unsorted list of integer values.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00144">sorted_interval_list.cc:144</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#l00079">presolve_context.h:79</a></div></div>
|
||
<div class="ttc" id="aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a></div><div class="ttdeci">int64_t b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00047">constraint_solver/table.cc:47</a></div></div>
|
||
<div class="ttc" id="aconstraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a></div><div class="ttdeci">int64_t a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00046">constraint_solver/table.cc:46</a></div></div>
|
||
<div class="ttc" id="acp__model__expand_8h_html"><div class="ttname"><a href="cp__model__expand_8h.html">cp_model_expand.h</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#l00118">cp_model_fz_solver.cc:118</a></div></div>
|
||
<div class="ttc" id="acp__model__utils_8h_html"><div class="ttname"><a href="cp__model__utils_8h.html">cp_model_utils.h</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#l00043">demon_profiler.cc:43</a></div></div>
|
||
<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
|
||
<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
|
||
<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#l00514">gurobi_interface.cc:514</a></div></div>
|
||
<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
|
||
<div class="ttc" id="alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="local__search_8cc_source.html#l02750">local_search.cc:2750</a></div></div>
|
||
<div class="ttc" id="anamespacegtl_html_a288a1dc92da5d3ad62d4bc4cec9e8b1d"><div class="ttname"><a href="namespacegtl.html#a288a1dc92da5d3ad62d4bc4cec9e8b1d">gtl::STLSortAndRemoveDuplicates</a></div><div class="ttdeci">void STLSortAndRemoveDuplicates(T *v, const LessFunc &less_func)</div><div class="ttdef"><b>Definition:</b> <a href="stl__util_8h_source.html#l00058">stl_util.h:58</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a5de89a1f6e3f80a49a0d76136d8044e2"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2">operations_research::math_opt::swap</a></div><div class="ttdeci">void swap(IdMap< K, V > &a, IdMap< K, V > &b)</div><div class="ttdef"><b>Definition:</b> <a href="id__map_8h_source.html#l00262">id_map.h:262</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#l00036">cp_model_utils.h:36</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3e5f39b52251ad02e571592493b4d39f"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3e5f39b52251ad02e571592493b4d39f">operations_research::sat::CompressTuples</a></div><div class="ttdeci">void CompressTuples(absl::Span< const int64_t > domain_sizes, int64_t any_value, std::vector< std::vector< int64_t > > *tuples)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8cc_source.html#l00370">sat/util.cc:370</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a4d700795b2500705ef3031ec994fe472"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a4d700795b2500705ef3031ec994fe472">operations_research::sat::ExpandCpModel</a></div><div class="ttdeci">void ExpandCpModel(PresolveContext *context)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__expand_8cc_source.html#l01490">cp_model_expand.cc:1490</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a852a51b53f6217d6bfd1aef455f53f8c"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a852a51b53f6217d6bfd1aef455f53f8c">operations_research::sat::SolveDiophantineEquationOfSizeTwo</a></div><div class="ttdeci">bool SolveDiophantineEquationOfSizeTwo(int64_t &a, int64_t &b, int64_t &cte, int64_t &x0, int64_t &y0)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8cc_source.html#l00147">sat/util.cc:147</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a901c19b12842f8af153e588a689a90b5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">operations_research::sat::FillDomainInProto</a></div><div class="ttdeci">void FillDomainInProto(const Domain &domain, ProtoWithDomain *proto)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00093">cp_model_utils.h:93</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab1240060466ba48a36a4b36379bce26a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">operations_research::sat::ReadDomainFromProto</a></div><div class="ttdeci">Domain ReadDomainFromProto(const ProtoWithDomain &proto)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00104">cp_model_utils.h:104</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#l00035">cp_model_utils.h:35</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aced7df5982ab26894efec32543e459f7"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aced7df5982ab26894efec32543e459f7">operations_research::sat::AddLinearExpressionToLinearConstraint</a></div><div class="ttdeci">void AddLinearExpressionToLinearConstraint(const LinearExpressionProto &expr, int64_t coefficient, LinearConstraintProto *linear)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00541">cp_model_utils.cc:541</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#l00034">cp_model_utils.h:34</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">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_html_a111f44b9b9cf67a8e8d83794ac9f5291"><div class="ttname"><a href="namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291">operations_research::CapAdd</a></div><div class="ttdeci">int64_t CapAdd(int64_t x, int64_t y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00126">saturated_arithmetic.h:126</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_html_a4a43d435871f16c321861fa5de32df82"><div class="ttname"><a href="namespaceoperations__research.html#a4a43d435871f16c321861fa5de32df82">operations_research::CapSub</a></div><div class="ttdeci">int64_t CapSub(int64_t x, int64_t y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00158">saturated_arithmetic.h:158</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_html_a87d7aa58897e0042898d1c2207deda18"><div class="ttname"><a href="namespaceoperations__research.html#a87d7aa58897e0042898d1c2207deda18">operations_research::ProtobufShortDebugString</a></div><div class="ttdeci">std::string ProtobufShortDebugString(const P &message)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00038">port/proto_utils.h:38</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_html_aa64bf49d041052c7cb3f40f7496d7534"><div class="ttname"><a href="namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534">operations_research::CapProd</a></div><div class="ttdeci">int64_t CapProd(int64_t x, int64_t y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00235">saturated_arithmetic.h:235</a></div></div>
|
||
<div class="ttc" id="aoptimization_8cc_html_af63dcc00f2023fdf498e0829e6fb8a6b"><div class="ttname"><a href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a></div><div class="ttdeci">Literal literal</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l00089">optimization.cc:89</a></div></div>
|
||
<div class="ttc" id="aport_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
|
||
<div class="ttc" id="apresolve__context_8h_html"><div class="ttname"><a href="presolve__context_8h.html">presolve_context.h</a></div></div>
|
||
<div class="ttc" id="aresource_8cc_html_a29fb0dd9484d890b12b280c41c150e20"><div class="ttname"><a href="resource_8cc.html#a29fb0dd9484d890b12b280c41c150e20">demand</a></div><div class="ttdeci">int64_t demand</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l00125">resource.cc:125</a></div></div>
|
||
<div class="ttc" id="aresource_8cc_html_aee52de7b225665566aa47246b9d6b8fa"><div class="ttname"><a href="resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa">time</a></div><div class="ttdeci">int64_t time</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l01693">resource.cc:1693</a></div></div>
|
||
<div class="ttc" id="arouting__flow_8cc_html_a64e7efc5529154ba56903e75f5300990"><div class="ttname"><a href="routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990">tail</a></div><div class="ttdeci">int64_t tail</div><div class="ttdef"><b>Definition:</b> <a href="routing__flow_8cc_source.html#l00149">routing_flow.cc:149</a></div></div>
|
||
<div class="ttc" id="arouting__flow_8cc_html_afca32f65388659a4b0956496169488b4"><div class="ttname"><a href="routing__flow_8cc.html#afca32f65388659a4b0956496169488b4">head</a></div><div class="ttdeci">int64_t head</div><div class="ttdef"><b>Definition:</b> <a href="routing__flow_8cc_source.html#l00150">routing_flow.cc:150</a></div></div>
|
||
<div class="ttc" id="asat_2util_8h_html"><div class="ttname"><a href="sat_2util_8h.html">util.h</a></div></div>
|
||
<div class="ttc" id="asaturated__arithmetic_8h_html"><div class="ttname"><a href="saturated__arithmetic_8h.html">saturated_arithmetic.h</a></div></div>
|
||
<div class="ttc" id="asorted__interval__list_8h_html"><div class="ttname"><a href="sorted__interval__list_8h.html">sorted_interval_list.h</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>
|
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<div class="ttc" id="atrace_8cc_html_a36bd74109f547f7f8198faf5a12d2879"><div class="ttname"><a href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a></div><div class="ttdeci">std::string message</div><div class="ttdef"><b>Definition:</b> <a href="trace_8cc_source.html#l00398">trace.cc:398</a></div></div>
|
||
<div class="ttc" id="autil_2logging_8h_html"><div class="ttname"><a href="util_2logging_8h.html">logging.h</a></div></div>
|
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<div class="ttc" id="autil_2logging_8h_html_a5f67b653dd99ddbe5e3367e3b4b7b532"><div class="ttname"><a href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a></div><div class="ttdeci">#define SOLVER_LOG(logger,...)</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00069">util/logging.h:69</a></div></div>
|
||
<div class="ttc" id="avlog__is__on_8h_html_a956152cad330225654d128f35c00efce"><div class="ttname"><a href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a></div><div class="ttdeci">#define VLOG_IS_ON(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="vlog__is__on_8h_source.html#l00044">vlog_is_on.h:44</a></div></div>
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