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<a href="deviation_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <cstdlib></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="mathutil_8h.html">ortools/base/mathutil.h</a>"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="constraint__solver_8h.html">ortools/constraint_solver/constraint_solver.h</a>"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="string__array_8h.html">ortools/util/string_array.h</a>"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">// Deviation Constraint, a constraint for the average absolute</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment">// deviation to the mean. See paper: Bound Consistent Deviation</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment">// Constraint, Pierre Schaus et. al., CP07</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">class </span>Deviation : <span class="keyword">public</span> Constraint {</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> Deviation(Solver* <span class="keyword">const</span> solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> IntVar* <span class="keyword">const</span> deviation_var, int64_t total_sum)</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> : Constraint(solver),</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>(vars),</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> size_(vars.size()),</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> deviation_var_(deviation_var),</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> total_sum_(total_sum),</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> scaled_vars_assigned_value_(new int64_t[size_]),</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> scaled_vars_min_(new int64_t[size_]),</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> scaled_vars_max_(new int64_t[size_]),</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> scaled_sum_max_(0),</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> scaled_sum_min_(0),</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> maximum_(new int64_t[size_]),</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> overlaps_sup_(new int64_t[size_]),</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> active_sum_(0),</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> active_sum_rounded_down_(0),</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> active_sum_rounded_up_(0),</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> active_sum_nearest_(0) {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(deviation_var != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> }</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> ~Deviation()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">void</span> Post()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> Solver* <span class="keyword">const</span> s = solver();</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> Demon* <span class="keyword">const</span> demon = s->MakeConstraintInitialPropagateCallback(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]->WhenRange(demon);</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> }</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> deviation_var_->WhenRange(demon);</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> s->AddConstraint(s->MakeSumEquality(vars_, total_sum_));</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> }</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordtype">void</span> InitialPropagate()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">const</span> int64_t delta_min = BuildMinimalDeviationAssignment();</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> deviation_var_->SetMin(delta_min);</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> PropagateBounds(delta_min);</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"Deviation([%s], deviation_var = %s, sum = %d)"</span>,</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_function" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(vars_, <span class="stringliteral">", "</span>),</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> deviation_var_->DebugString(), total_sum_);</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> visitor->BeginVisitConstraint(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a1c55ff9b92db1e630507e03f5342dbe4">ModelVisitor::kDeviation</a>, <span class="keyword">this</span>);</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> visitor->VisitIntegerVariableArrayArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa9175e7f7c9d2598d26293435ecd89ce">ModelVisitor::kVarsArgument</a>,</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> vars_);</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> visitor->VisitIntegerExpressionArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a489f38dd601db8d045efae4d9ae7d754">ModelVisitor::kTargetArgument</a>,</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> deviation_var_);</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> visitor->VisitIntegerArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a7899dfe8b41c6b2b13546d921114f8d2">ModelVisitor::kValueArgument</a>, total_sum_);</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> visitor->EndVisitConstraint(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#a1c55ff9b92db1e630507e03f5342dbe4">ModelVisitor::kDeviation</a>, <span class="keyword">this</span>);</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="comment">// Builds an assignment with minimal deviation and assign it to</span></div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// scaled_vars_assigned_value_. It returns the minimal deviation:</span></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">// sum_i |scaled_vars_assigned_value_[i] - total_sum_|.</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> int64_t BuildMinimalDeviationAssignment() {</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> RepairGreedySum(BuildGreedySum(<span class="keyword">true</span>));</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> int64_t minimal_deviation = 0;</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> minimal_deviation +=</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> std::abs(scaled_vars_assigned_value_[i] - total_sum_);</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">return</span> minimal_deviation;</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="comment">// Propagates the upper and lower bounds of x[i]'s.</span></div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// It assumes the constraint is consistent:</span></div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// - the sum constraint is consistent</span></div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// - min deviation smaller than max allowed deviation</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// min_delta is the minimum possible deviation</span></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordtype">void</span> PropagateBounds(int64_t min_delta) {</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> PropagateBounds(min_delta, <span class="keyword">true</span>); <span class="comment">// Filter upper bounds.</span></div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> PropagateBounds(min_delta, <span class="keyword">false</span>); <span class="comment">// Filter lower bounds.</span></div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> }</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// Prunes the upper/lower-bound of vars. We apply a mirroing of the</span></div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// domains wrt 0 to prune the lower bounds such that we can use the</span></div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// same algo to prune both sides of the domains. upperBounds = true</span></div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// to prune the upper bounds of vars, false to prune the lower</span></div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// bounds.</span></div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordtype">void</span> PropagateBounds(int64_t min_delta, <span class="keywordtype">bool</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// Builds greedy assignment.</span></div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">const</span> int64_t greedy_sum = BuildGreedySum(<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>);</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// Repairs assignment and store information to be used when pruning.</span></div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> RepairSumAndComputeInfo(greedy_sum);</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// Does the actual pruning.</span></div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> PruneVars(min_delta, <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>);</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> }</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// Cache min and max values of variables.</span></div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordtype">void</span> ComputeData(<span class="keywordtype">bool</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> scaled_sum_max_ = 0;</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> scaled_sum_min_ = 0;</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> scaled_vars_max_[i] =</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> size_ * (<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> ? <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]->Max() : -<a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]->Min());</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> scaled_vars_min_[i] =</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> size_ * (<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> ? <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]->Min() : -<a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]->Max());</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> scaled_sum_max_ += scaled_vars_max_[i];</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> scaled_sum_min_ += scaled_vars_min_[i];</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> }</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> active_sum_ = (!<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> ? -total_sum_ : total_sum_);</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// down is <= sum.</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> active_sum_rounded_down_ =</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> size_ * MathUtil::FloorOfRatio<int64_t>(active_sum_, size_);</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// up is > sum, always.</span></div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> active_sum_rounded_up_ = active_sum_rounded_down_ + size_;</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> active_sum_nearest_ = (active_sum_rounded_up_ - active_sum_ <=</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> active_sum_ - active_sum_rounded_down_)</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> ? active_sum_rounded_up_</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> : active_sum_rounded_down_;</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// Builds an approximate sum in a greedy way.</span></div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> int64_t BuildGreedySum(<span class="keywordtype">bool</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="comment">// Update data structure.</span></div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> ComputeData(<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>);</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// Number of constraint should be consistent.</span></div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_define" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(size_ * active_sum_, scaled_sum_min_);</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <a class="code hl_define" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(size_ * active_sum_, scaled_sum_max_);</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> int64_t sum = 0;</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// Greedily assign variable to nearest value to average.</span></div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> overlaps_.clear();</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">if</span> (scaled_vars_min_[i] >= active_sum_) {</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> scaled_vars_assigned_value_[i] = scaled_vars_min_[i];</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (scaled_vars_max_[i] <= active_sum_) {</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> scaled_vars_assigned_value_[i] = scaled_vars_max_[i];</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// Overlapping variable scaled_vars_min_[i] < active_sum_ <</span></div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// scaled_vars_max_[i].</span></div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> scaled_vars_assigned_value_[i] = active_sum_nearest_;</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">if</span> (active_sum_ % size_ != 0) {</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> overlaps_.push_back(i);</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> }</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> }</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> sum += scaled_vars_assigned_value_[i];</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> }</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(0, active_sum_rounded_down_ % size_);</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <a class="code hl_define" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(active_sum_rounded_down_, active_sum_);</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(active_sum_ - active_sum_rounded_down_, size_);</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">return</span> sum;</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordtype">bool</span> Overlap(<span class="keywordtype">int</span> var_index)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">return</span> scaled_vars_min_[var_index] < active_sum_ &&</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> scaled_vars_max_[var_index] > active_sum_;</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// Repairs the greedy sum obtained above to get the correct sum.</span></div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordtype">void</span> RepairGreedySum(int64_t greedy_sum) {</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// Useful constant: scaled version of the sum.</span></div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">const</span> int64_t scaled_total_sum = size_ * active_sum_;</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// Step used to make the repair.</span></div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a> = greedy_sum > scaled_total_sum ? -size_ : size_;</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// Change overlapping variables as long as the sum is not</span></div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="comment">// satisfied and there are overlapping vars, we use that ones to</span></div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// repair.</span></div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < overlaps_.size() && greedy_sum != scaled_total_sum;</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> j++) {</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> scaled_vars_assigned_value_[overlaps_[j]] += <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a>;</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> greedy_sum += <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a>;</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> }</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// Change other variables if the sum is still not satisfied.</span></div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_ && greedy_sum != scaled_total_sum; ++i) {</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">const</span> int64_t old_scaled_vars_i = scaled_vars_assigned_value_[i];</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keywordflow">if</span> (greedy_sum < scaled_total_sum) {</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="comment">// Increase scaled_vars_assigned_value_[i] as much as</span></div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="comment">// possible to fix the too low sum.</span></div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> scaled_vars_assigned_value_[i] += scaled_total_sum - greedy_sum;</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> scaled_vars_assigned_value_[i] =</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(scaled_vars_assigned_value_[i], scaled_vars_max_[i]);</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// Decrease scaled_vars_assigned_value_[i] as much as</span></div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// possible to fix the too high sum.</span></div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> scaled_vars_assigned_value_[i] -= (greedy_sum - scaled_total_sum);</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> scaled_vars_assigned_value_[i] =</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(scaled_vars_assigned_value_[i], scaled_vars_min_[i]);</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="comment">// Maintain the sum.</span></div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> greedy_sum += scaled_vars_assigned_value_[i] - old_scaled_vars_i;</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> }</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// Computes the maximum values of variables in the case the repaired</span></div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// greedy sum is actually the active sum.</span></div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordtype">void</span> ComputeMaxWhenNoRepair() {</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordtype">int</span> num_overlap_sum_rounded_up = 0;</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">if</span> (active_sum_nearest_ == active_sum_rounded_up_) {</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> num_overlap_sum_rounded_up = overlaps_.size();</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> maximum_[i] = scaled_vars_assigned_value_[i];</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">if</span> (Overlap(i) && active_sum_nearest_ == active_sum_rounded_up_ &&</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> active_sum_ % size_ != 0) {</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> overlaps_sup_[i] = num_overlap_sum_rounded_up - 1;</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> overlaps_sup_[i] = num_overlap_sum_rounded_up;</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> }</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> }</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="comment">// Returns the number of variables overlapping the average value,</span></div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// assigned to // the average value rounded up that we can/need to</span></div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="comment">// move.</span></div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordtype">int</span> ComputeNumOverlapsVariableRoundedUp() {</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">if</span> (active_sum_ % size_ == 0) {</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> }</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordtype">int</span> num_overlap_sum_rounded_up = 0;</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">if</span> (scaled_vars_assigned_value_[i] > scaled_vars_min_[i] &&</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> scaled_vars_assigned_value_[i] == active_sum_rounded_up_) {</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> num_overlap_sum_rounded_up++;</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> }</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> }</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">return</span> num_overlap_sum_rounded_up;</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> }</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="comment">// Returns whether we can push the greedy sum across the scaled</span></div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="comment">// total sum in the same direction as going from the nearest rounded</span></div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="comment">// sum to the farthest one.</span></div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordtype">bool</span> CanPushSumAcrossMean(int64_t greedy_sum,</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> int64_t scaled_total_sum)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">return</span> (greedy_sum > scaled_total_sum &&</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> active_sum_nearest_ == active_sum_rounded_up_) ||</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> (greedy_sum < scaled_total_sum &&</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> active_sum_nearest_ == active_sum_rounded_down_);</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> }</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// Repairs the sum and store intermediate information to be used</span></div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="comment">// during pruning.</span></div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordtype">void</span> RepairSumAndComputeInfo(int64_t greedy_sum) {</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keyword">const</span> int64_t scaled_total_sum = size_ * active_sum_;</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// Computation of key values for the pruning:</span></div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// - overlaps_sup_</span></div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// - maximum_[i]</span></div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">if</span> (greedy_sum == scaled_total_sum) { <span class="comment">// No repair needed.</span></div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> ComputeMaxWhenNoRepair();</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> } <span class="keywordflow">else</span> { <span class="comment">// Repair and compute maximums.</span></div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// Try to repair the sum greedily.</span></div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keywordflow">if</span> (CanPushSumAcrossMean(greedy_sum, scaled_total_sum)) {</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a> = greedy_sum > scaled_total_sum ? -size_ : size_;</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < overlaps_.size() && greedy_sum != scaled_total_sum;</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> ++j) {</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> scaled_vars_assigned_value_[overlaps_[j]] += <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a>;</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> greedy_sum += <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a>;</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> }</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> }</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> </div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_overlap_sum_rounded_up =</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> ComputeNumOverlapsVariableRoundedUp();</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">if</span> (greedy_sum == scaled_total_sum) {</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="comment">// Greedy sum is repaired.</span></div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">if</span> (Overlap(i) && num_overlap_sum_rounded_up > 0) {</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> maximum_[i] = active_sum_rounded_up_;</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> overlaps_sup_[i] = num_overlap_sum_rounded_up - 1;</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> maximum_[i] = scaled_vars_assigned_value_[i];</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> overlaps_sup_[i] = num_overlap_sum_rounded_up;</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> }</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> }</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (greedy_sum > scaled_total_sum) {</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// scaled_vars_assigned_value_[i] = active_sum_rounded_down_ or</span></div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// scaled_vars_assigned_value_[i] <= total_sum</span></div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// (there is no more num_overlap_sum_rounded_up).</span></div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> maximum_[i] = scaled_vars_assigned_value_[i];</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> overlaps_sup_[i] = 0;</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> }</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> } <span class="keywordflow">else</span> { <span class="comment">// greedy_sum < scaled_total_sum.</span></div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">if</span> (Overlap(i) && num_overlap_sum_rounded_up > 0) {</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> overlaps_sup_[i] = num_overlap_sum_rounded_up - 1;</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> overlaps_sup_[i] = num_overlap_sum_rounded_up;</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> }</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> </div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">if</span> (scaled_vars_assigned_value_[i] < scaled_vars_max_[i]) {</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> maximum_[i] =</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> scaled_vars_assigned_value_[i] + scaled_total_sum - greedy_sum;</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> maximum_[i] = scaled_vars_assigned_value_[i];</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> }</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> }</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> }</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> }</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> }</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> </div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="comment">// Propagates onto variables with all computed data.</span></div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="keywordtype">void</span> PruneVars(int64_t min_delta, <span class="keywordtype">bool</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// Pruning of upper bound of vars_[i] for var_index in [1..n].</span></div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keyword">const</span> int64_t increase_down_up = (active_sum_rounded_up_ - active_sum_) -</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> (active_sum_ - active_sum_rounded_down_);</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < size_; ++var_index) {</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// Not bound, and a compatible new max.</span></div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordflow">if</span> (scaled_vars_max_[var_index] != scaled_vars_min_[var_index] &&</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> maximum_[var_index] < scaled_vars_max_[var_index]) {</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keyword">const</span> int64_t new_max =</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> ComputeNewMax(var_index, min_delta, increase_down_up);</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> PruneBound(var_index, new_max, <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>);</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> }</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> }</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="comment">// Computes new max for a variable.</span></div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> int64_t ComputeNewMax(<span class="keywordtype">int</span> var_index, int64_t min_delta,</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> int64_t increase_down_up) {</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> int64_t maximum_value = maximum_[var_index];</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> int64_t current_min_delta = min_delta;</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordflow">if</span> (overlaps_sup_[var_index] > 0 &&</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> (current_min_delta +</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> overlaps_sup_[var_index] * (size_ - increase_down_up) >=</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> deviation_var_->Max())) {</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a> = deviation_var_->Max() - current_min_delta;</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> maximum_value += (size_ * <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a>) / (size_ - increase_down_up);</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordflow">return</span> MathUtil::FloorOfRatio<int64_t>(maximum_value, size_);</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordflow">if</span> (maximum_value == active_sum_rounded_down_ &&</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> active_sum_rounded_down_ < active_sum_) {</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(0, overlaps_sup_[var_index]);</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> current_min_delta += size_ + increase_down_up;</div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keywordflow">if</span> (current_min_delta > deviation_var_->Max()) {</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(0, maximum_value % size_);</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordflow">return</span> maximum_value / size_;</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> }</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> maximum_value += size_;</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> }</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> current_min_delta +=</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> overlaps_sup_[var_index] * (size_ - increase_down_up);</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> maximum_value += size_ * overlaps_sup_[var_index];</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="comment">// Slope of 2 x n.</span></div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a> = deviation_var_->Max() - current_min_delta;</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> maximum_value += <a class="code hl_variable" href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a> / 2; <span class="comment">// n * delta / (2 * n);</span></div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">return</span> MathUtil::FloorOfRatio<int64_t>(maximum_value, size_);</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> }</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> }</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> </div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="comment">// Sets maximum on var or on its opposite.</span></div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="keywordtype">void</span> PruneBound(<span class="keywordtype">int</span> var_index, int64_t <a class="code hl_variable" href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a>, <span class="keywordtype">bool</span> <a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>) {</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[var_index]->SetMax(<a class="code hl_variable" href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a>);</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[var_index]->SetMin(-<a class="code hl_variable" href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a>);</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> }</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> }</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> std::vector<IntVar*> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>;</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size_;</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> IntVar* <span class="keyword">const</span> deviation_var_;</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keyword">const</span> int64_t total_sum_;</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> std::unique_ptr<int64_t[]> scaled_vars_assigned_value_;</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> std::unique_ptr<int64_t[]> scaled_vars_min_;</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> std::unique_ptr<int64_t[]> scaled_vars_max_;</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> int64_t scaled_sum_max_;</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> int64_t scaled_sum_min_;</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="comment">// Stores the variables overlapping the mean value.</span></div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> std::vector<int> overlaps_;</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> std::unique_ptr<int64_t[]> maximum_;</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> std::unique_ptr<int64_t[]> overlaps_sup_;</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="comment">// These values are updated by ComputeData().</span></div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> int64_t active_sum_;</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> int64_t active_sum_rounded_down_;</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> int64_t active_sum_rounded_up_;</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> int64_t active_sum_nearest_;</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span>};</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> </div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_solver.html#af48977474f3c25fbf91d2600f8924182"> 414</a></span><a class="code hl_class" href="classoperations__research_1_1_constraint.html">Constraint</a>* <a class="code hl_function" href="classoperations__research_1_1_solver.html#af48977474f3c25fbf91d2600f8924182">Solver::MakeDeviation</a>(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <a class="code hl_class" href="classoperations__research_1_1_int_var.html">IntVar</a>* <span class="keyword">const</span> deviation_var,</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> int64_t total_sum) {</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">RevAlloc</a>(<span class="keyword">new</span> Deviation(<span class="keyword">this</span>, vars, deviation_var, total_sum));</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span>}</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a151248525a9e07eb3e6e60ea1c4995eb"><div class="ttname"><a href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a></div><div class="ttdeci">const std::vector< IntVar * > vars_</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00044">alldiff_cst.cc:44</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2"><div class="ttname"><a href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a></div><div class="ttdeci">#define DCHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00892">base/logging.h:892</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295"><div class="ttname"><a href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a></div><div class="ttdeci">#define DCHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00894">base/logging.h:894</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a"><div class="ttname"><a href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a></div><div class="ttdeci">#define DCHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00893">base/logging.h:893</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0"><div class="ttname"><a href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a></div><div class="ttdeci">#define DCHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_constraint_html"><div class="ttname"><a href="classoperations__research_1_1_constraint.html">operations_research::Constraint</a></div><div class="ttdoc">A constraint is the main modeling object.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03626">constraint_solver.h:3626</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_int_var_html"><div class="ttname"><a href="classoperations__research_1_1_int_var.html">operations_research::IntVar</a></div><div class="ttdoc">The class IntVar is a subset of IntExpr.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l04040">constraint_solver.h:4040</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a1c55ff9b92db1e630507e03f5342dbe4"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a1c55ff9b92db1e630507e03f5342dbe4">operations_research::ModelVisitor::kDeviation</a></div><div class="ttdeci">static const char kDeviation[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03391">constraint_solver.h:3391</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a489f38dd601db8d045efae4d9ae7d754"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a489f38dd601db8d045efae4d9ae7d754">operations_research::ModelVisitor::kTargetArgument</a></div><div class="ttdeci">static const char kTargetArgument[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03528">constraint_solver.h:3528</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_a7899dfe8b41c6b2b13546d921114f8d2"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#a7899dfe8b41c6b2b13546d921114f8d2">operations_research::ModelVisitor::kValueArgument</a></div><div class="ttdeci">static const char kValueArgument[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03532">constraint_solver.h:3532</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_aa9175e7f7c9d2598d26293435ecd89ce"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#aa9175e7f7c9d2598d26293435ecd89ce">operations_research::ModelVisitor::kVarsArgument</a></div><div class="ttdeci">static const char kVarsArgument[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03535">constraint_solver.h:3535</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_af48977474f3c25fbf91d2600f8924182"><div class="ttname"><a href="classoperations__research_1_1_solver.html#af48977474f3c25fbf91d2600f8924182">operations_research::Solver::MakeDeviation</a></div><div class="ttdeci">Constraint * MakeDeviation(const std::vector< IntVar * > &vars, IntVar *const deviation_var, int64_t total_sum)</div><div class="ttdoc">Deviation constraint: sum_i |n * vars[i] - total_sum| <= deviation_var and sum_i vars[i] == total_sum...</div><div class="ttdef"><b>Definition:</b> <a href="deviation_8cc_source.html#l00414">deviation.cc:414</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_af5a1f8b1ea0ab0796c8667b9e2ef0ce7"><div class="ttname"><a href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">operations_research::Solver::RevAlloc</a></div><div class="ttdeci">T * RevAlloc(T *object)</div><div class="ttdoc">Registers the given object as being reversible.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00791">constraint_solver.h:791</a></div></div>
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<div class="ttc" id="aconstraint__solver_8h_html"><div class="ttname"><a href="constraint__solver_8h.html">constraint_solver.h</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a1ba5ca0f61f2fa13bd23bf0f89004f35"><div class="ttname"><a href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a></div><div class="ttdeci">double upper_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00126">gscip_solver.cc:126</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="amathutil_8h_html"><div class="ttname"><a href="mathutil_8h.html">mathutil.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a9be76edcbd5ccb982d92c8d90421a73c"><div class="ttname"><a href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">operations_research::JoinDebugStringPtr</a></div><div class="ttdeci">std::string JoinDebugStringPtr(const std::vector< T > &v, const std::string &separator)</div><div class="ttdef"><b>Definition:</b> <a href="string__array_8h_source.html#l00045">string_array.h:45</a></div></div>
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<div class="ttc" id="aresource_8cc_html_af12056bc2a8e3ec563f0940d87abbd2e"><div class="ttname"><a href="resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e">delta</a></div><div class="ttdeci">int64_t delta</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l01692">resource.cc:1692</a></div></div>
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<div class="ttc" id="arouting__filters_8cc_html_a4f1e8002734902ae1c65ccc3fc30c98e"><div class="ttname"><a href="routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e">bound</a></div><div class="ttdeci">int64_t bound</div><div class="ttdef"><b>Definition:</b> <a href="routing__filters_8cc_source.html#l00969">routing_filters.cc:969</a></div></div>
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<div class="ttc" id="astring__array_8h_html"><div class="ttname"><a href="string__array_8h.html">string_array.h</a></div></div>
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<li class="footer">Generated by
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