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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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #include < cstdint> < / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #include < cstdlib> < / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < / div >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < / div >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "keyword" > namespace < / span > {< / div >
< 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 >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "keyword" > public< / span > :< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > : Constraint(solver),< / div >
< 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 >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > size_(vars.size()),< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > deviation_var_(deviation_var),< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > total_sum_(total_sum),< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > scaled_vars_assigned_value_(new int64_t[size_]),< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > scaled_vars_min_(new int64_t[size_]),< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > scaled_vars_max_(new int64_t[size_]),< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > scaled_sum_max_(0),< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > scaled_sum_min_(0),< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > maximum_(new int64_t[size_]),< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > overlaps_sup_(new int64_t[size_]),< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > active_sum_(0),< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > active_sum_rounded_down_(0),< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > active_sum_rounded_up_(0),< / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > active_sum_nearest_(0) {< / div >
< 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 >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > }< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > ~Deviation()< span class = "keyword" > override < / span > {}< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > Solver* < span class = "keyword" > const< / span > s = solver();< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > }< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > deviation_var_-> WhenRange(demon);< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > s-> AddConstraint(s-> MakeSumEquality(vars_, total_sum_));< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > }< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > deviation_var_-> SetMin(delta_min);< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > PropagateBounds(delta_min);< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > }< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > std::string DebugString()< span class = "keyword" > const override < / span > {< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > deviation_var_-> DebugString(), total_sum_);< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > }< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > vars_);< / div >
< 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 >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > deviation_var_);< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > }< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < span class = "keyword" > private< / span > :< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > int64_t BuildMinimalDeviationAssignment() {< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > RepairGreedySum(BuildGreedySum(< span class = "keyword" > true< / span > ));< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > int64_t minimal_deviation = 0;< / div >
< 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 >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > minimal_deviation +=< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > std::abs(scaled_vars_assigned_value_[i] - total_sum_);< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > }< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "keywordflow" > return< / span > minimal_deviation;< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > }< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "comment" > // - the sum constraint is consistent< / span > < / div >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > }< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < / div >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "comment" > // bounds.< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "comment" > // Builds greedy assignment.< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > RepairSumAndComputeInfo(greedy_sum);< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "comment" > // Does the actual pruning.< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > }< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > scaled_sum_max_ = 0;< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > scaled_sum_min_ = 0;< / div >
< 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 >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > scaled_vars_max_[i] =< / div >
< 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 >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > scaled_vars_min_[i] =< / div >
< 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 >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > scaled_sum_max_ += scaled_vars_max_[i];< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > scaled_sum_min_ += scaled_vars_min_[i];< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > }< / div >
< 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 >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "comment" > // down is < = sum.< / span > < / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > active_sum_rounded_down_ =< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > size_ * MathUtil::FloorOfRatio< int64_t> (active_sum_, size_);< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < span class = "comment" > // up is > sum, always.< / span > < / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > active_sum_rounded_up_ = active_sum_rounded_down_ + size_;< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > active_sum_nearest_ = (active_sum_rounded_up_ - active_sum_ < =< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > active_sum_ - active_sum_rounded_down_)< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > ? active_sum_rounded_up_< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > : active_sum_rounded_down_;< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > }< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < span class = "comment" > // Builds an approximate sum in a greedy way.< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < span class = "comment" > // Update data structure.< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > int64_t sum = 0;< / div >
< 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 >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > overlaps_.clear();< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > scaled_vars_assigned_value_[i] = scaled_vars_min_[i];< / div >
< 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 >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > scaled_vars_assigned_value_[i] = scaled_vars_max_[i];< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > } < span class = "keywordflow" > else< / span > {< / div >
< 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 >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "comment" > // scaled_vars_max_[i].< / span > < / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > scaled_vars_assigned_value_[i] = active_sum_nearest_;< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keywordflow" > if< / span > (active_sum_ % size_ != 0) {< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > overlaps_.push_back(i);< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > }< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > }< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > sum += scaled_vars_assigned_value_[i];< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > }< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "keywordflow" > return< / span > sum;< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > }< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > < / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < span class = "keywordtype" > bool< / span > Overlap(< span class = "keywordtype" > int< / span > var_index)< span class = "keyword" > const < / span > {< / div >
< 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 >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > scaled_vars_max_[var_index] > active_sum_;< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > }< / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < / div >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > < span class = "comment" > // repair.< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > j++) {< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > }< / div >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > scaled_vars_assigned_value_[i] =< / div >
< 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 >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > } < span class = "keywordflow" > else< / span > {< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > scaled_vars_assigned_value_[i] =< / div >
< 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 >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > }< / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < span class = "comment" > // Maintain the sum.< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > }< / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > }< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "keywordtype" > void< / span > ComputeMaxWhenNoRepair() {< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > num_overlap_sum_rounded_up = overlaps_.size();< / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > }< / div >
< 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 >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > maximum_[i] = scaled_vars_assigned_value_[i];< / div >
< 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 >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > active_sum_ % size_ != 0) {< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > overlaps_sup_[i] = num_overlap_sum_rounded_up - 1;< / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > overlaps_sup_[i] = num_overlap_sum_rounded_up;< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > }< / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > }< / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > }< / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < span class = "comment" > // move.< / span > < / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > < span class = "keywordtype" > int< / span > ComputeNumOverlapsVariableRoundedUp() {< / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > < span class = "keywordflow" > if< / span > (active_sum_ % size_ == 0) {< / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > }< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > scaled_vars_assigned_value_[i] == active_sum_rounded_up_) {< / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > num_overlap_sum_rounded_up++;< / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > }< / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > }< / div >
< 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 >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > }< / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < span class = "comment" > // sum to the farthest one.< / span > < / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > active_sum_nearest_ == active_sum_rounded_up_) ||< / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > (greedy_sum < scaled_total_sum & & < / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > active_sum_nearest_ == active_sum_rounded_down_);< / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > }< / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > < span class = "comment" > // during pruning.< / span > < / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < span class = "comment" > // - overlaps_sup_< / span > < / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > < span class = "comment" > // - maximum_[i]< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > ComputeMaxWhenNoRepair();< / div >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > ++j) {< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > }< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > }< / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > < / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_overlap_sum_rounded_up =< / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > ComputeNumOverlapsVariableRoundedUp();< / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < span class = "comment" > // Greedy sum is repaired.< / span > < / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < size_; ++i) {< / div >
< 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 >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > maximum_[i] = active_sum_rounded_up_;< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > overlaps_sup_[i] = num_overlap_sum_rounded_up - 1;< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > maximum_[i] = scaled_vars_assigned_value_[i];< / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > overlaps_sup_[i] = num_overlap_sum_rounded_up;< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > }< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > }< / div >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > maximum_[i] = scaled_vars_assigned_value_[i];< / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > overlaps_sup_[i] = 0;< / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > }< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > overlaps_sup_[i] = num_overlap_sum_rounded_up - 1;< / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > overlaps_sup_[i] = num_overlap_sum_rounded_up;< / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > }< / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > maximum_[i] =< / div >
< 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 >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > maximum_[i] = scaled_vars_assigned_value_[i];< / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > }< / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > }< / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > }< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > }< / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > }< / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > < / div >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > (active_sum_ - active_sum_rounded_down_);< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > maximum_[var_index] < scaled_vars_max_[var_index]) {< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > < span class = "keyword" > const< / span > int64_t new_max =< / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > ComputeNewMax(var_index, min_delta, increase_down_up);< / div >
< 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 >
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > }< / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > }< / div >
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > }< / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > int64_t increase_down_up) {< / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > int64_t maximum_value = maximum_[var_index];< / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > int64_t current_min_delta = min_delta;< / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > < / div >
< 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 >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > (current_min_delta +< / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > overlaps_sup_[var_index] * (size_ - increase_down_up) > =< / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > deviation_var_-> Max())) {< / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > } < span class = "keywordflow" > else< / span > {< / div >
< 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 >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > active_sum_rounded_down_ < active_sum_) {< / div >
< 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 >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > current_min_delta += size_ + increase_down_up;< / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > < span class = "keywordflow" > return< / span > maximum_value / size_;< / div >
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > }< / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > maximum_value += size_;< / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > }< / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > current_min_delta +=< / div >
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > overlaps_sup_[var_index] * (size_ - increase_down_up);< / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > maximum_value += size_ * overlaps_sup_[var_index];< / div >
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > < span class = "comment" > // Slope of 2 x n.< / span > < / div >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > }< / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > }< / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > < / div >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > } < span class = "keywordflow" > else< / span > {< / div >
< 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 >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > }< / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > }< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > IntVar* < span class = "keyword" > const< / span > deviation_var_;< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < span class = "keyword" > const< / span > int64_t total_sum_;< / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > std::unique_ptr< int64_t[]> scaled_vars_assigned_value_;< / div >
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > std::unique_ptr< int64_t[]> scaled_vars_min_;< / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > std::unique_ptr< int64_t[]> scaled_vars_max_;< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > int64_t scaled_sum_max_;< / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > int64_t scaled_sum_min_;< / div >
< 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 >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > std::vector< int> overlaps_;< / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > std::unique_ptr< int64_t[]> maximum_;< / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > std::unique_ptr< int64_t[]> overlaps_sup_;< / div >
< 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 >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > int64_t active_sum_;< / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > int64_t active_sum_rounded_down_;< / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > int64_t active_sum_rounded_up_;< / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > int64_t active_sum_nearest_;< / div >
< div class = "line" > < a id = "l00411" name = "l00411" > < / a > < span class = "lineno" > 411< / span > };< / div >
< div class = "line" > < a id = "l00412" name = "l00412" > < / a > < span class = "lineno" > 412< / span > } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > < / div >
< 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 >
< 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 >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > int64_t total_sum) {< / div >
< 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 >
< div class = "line" > < a id = "l00418" name = "l00418" > < / a > < span class = "lineno" > 418< / span > }< / div >
< div class = "line" > < a id = "l00419" name = "l00419" > < / a > < span class = "lineno" > 419< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< 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 >
< 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 >
< div class = "ttc" id = "aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > min< / a > < / div > < div class = "ttdeci" > int64_t min< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00139" > alldiff_cst.cc:139< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274" > < div class = "ttname" > < a href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > < / div > < div class = "ttdeci" > #define CHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00495" > base/logging.h:495< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2" > < div class = "ttname" > < a href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > < / div > < div class = "ttdeci" > #define DCHECK_LE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00893" > base/logging.h:893< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295" > < div class = "ttname" > < a href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > < / div > < div class = "ttdeci" > #define DCHECK_GE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00895" > base/logging.h:895< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > < / div > < div class = "ttdeci" > #define DCHECK_LT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00894" > base/logging.h:894< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > < / div > < div class = "ttdeci" > #define DCHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00891" > base/logging.h:891< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< 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 >
< div class = "ttc" id = "aconstraint__solver_8h_html" > < div class = "ttname" > < a href = "constraint__solver_8h.html" > constraint_solver.h< / a > < / div > < / div >
< 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#l00137" > gscip_solver.cc:137< / a > < / div > < / div >
< div class = "ttc" id = "aintegral__types_8h_html" > < div class = "ttname" > < a href = "integral__types_8h.html" > integral_types.h< / a > < / div > < / div >
< div class = "ttc" id = "amathutil_8h_html" > < div class = "ttname" > < a href = "mathutil_8h.html" > mathutil.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_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 >
2022-03-04 00:11:33 +01:00
< 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#l01694" > resource.cc:1694< / a > < / div > < / div >
< 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#l00968" > routing_filters.cc:968< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "astring__array_8h_html" > < div class = "ttname" > < a href = "string__array_8h.html" > string_array.h< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
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