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< a href = "sat__decision_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 " < a class = "code" href = "sat__decision_8h.html" > ortools/sat/sat_decision.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #include < cstdint> < / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include " < a class = "code" href = "sat_2util_8h.html" > ortools/sat/util.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "keyword" > namespace < / span > sat {< / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#af3bcc41cd4c20ff0a694cbfd18cb0e1e" > 23< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#af3bcc41cd4c20ff0a694cbfd18cb0e1e" > SatDecisionPolicy::SatDecisionPolicy< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )< / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > : parameters_(*(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_sat_parameters.html" > SatParameters< / a > > ())),< / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > trail_(*< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > > ()),< / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > random_(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model_random_generator.html" > ModelRandomGenerator< / a > > ()) {}< / 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" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a19614231a107b165113595bf8edf60bf" > 28< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a19614231a107b165113595bf8edf60bf" > SatDecisionPolicy::IncreaseNumVariables< / a > (< span class = "keywordtype" > int< / span > num_variables) {< / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > old_num_variables = activities_.size();< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < a class = "code hl_define" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (num_variables, activities_.size());< / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > activities_.resize(num_variables, parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#acabedd7725b642e1e6a45cd189f7345a" > initial_variables_activity< / a > ());< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > tie_breakers_.resize(num_variables, 0.0);< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > num_bumps_.resize(num_variables, 0);< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#a2c9e03b5ffa844d119c926de4689ce59" > IncreaseSize< / a > (num_variables);< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > weighted_sign_.resize(num_variables, 0.0);< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > has_forced_polarity_.resize(num_variables, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > forced_polarity_.resize(num_variables);< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > has_target_polarity_.resize(num_variables, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > target_polarity_.resize(num_variables);< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > var_polarity_.resize(num_variables);< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > ResetInitialPolarity(< span class = "comment" > /*from=*/< / span > old_num_variables);< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "comment" > // Update the priority queue. Note that each addition is in O(1) because< / span > < / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "comment" > // the priority is 0.0.< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > var_ordering_.Reserve(num_variables);< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "keywordflow" > if< / span > (var_ordering_is_initialized_) {< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < span class = "keywordflow" > for< / span > (BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > (old_num_variables); < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < num_variables; ++< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > var_ordering_.Add({< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , 0.0, activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]});< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / 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 > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#abe906f3b347e87b5e91e7ab5609b0f36" > 57< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#abe906f3b347e87b5e91e7ab5609b0f36" > SatDecisionPolicy::BeforeConflict< / a > (< span class = "keywordtype" > int< / span > trail_index) {< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keywordflow" > if< / span > (parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a22906e07897f0c712b4710d8716b8dc1" > use_erwa_heuristic< / a > ()) {< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > ++num_conflicts_;< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > num_conflicts_stack_.push_back({trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > (), 1});< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > }< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "keywordflow" > if< / span > (trail_index > target_length_) {< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > target_length_ = trail_index;< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > has_target_polarity_.assign(has_target_polarity_.size(), < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < trail_index; ++i) {< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > l = trail_[i];< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > has_target_polarity_[l.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8" > Variable< / a > ()] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > target_polarity_[l.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8" > Variable< / a > ()] = l.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_literal.html#ab76ca9049d6f3f1948d7120a98765107" > IsPositive< / a > ();< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > }< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > }< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "keywordflow" > if< / span > (trail_index > best_partial_assignment_.size()) {< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > best_partial_assignment_.assign(& trail_[0], & trail_[trail_index]);< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > }< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > --num_conflicts_until_rephase_;< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > RephaseIfNeeded();< / 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 > < / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "keywordtype" > void< / span > SatDecisionPolicy::RephaseIfNeeded() {< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "keywordflow" > if< / span > (parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a93f25af8b4b4d05251e0c8022e89cc5f" > polarity_rephase_increment< / a > () < = 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "keywordflow" > if< / span > (num_conflicts_until_rephase_ > 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " End of polarity phase " < / span > < < polarity_phase_< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < < < span class = "stringliteral" > " target_length: " < / span > < < target_length_< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < < < span class = "stringliteral" > " best_length: " < / span > < < best_partial_assignment_.size();< / 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 > ++polarity_phase_;< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > num_conflicts_until_rephase_ =< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a93f25af8b4b4d05251e0c8022e89cc5f" > polarity_rephase_increment< / a > () * (polarity_phase_ + 1);< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "comment" > // We always reset the target each time we change phase.< / span > < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > target_length_ = 0;< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > has_target_polarity_.assign(has_target_polarity_.size(), < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "comment" > // Cycle between different initial polarities. Note that we already start by< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "comment" > // the default polarity, and this code is reached the first time with a< / span > < / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "comment" > // polarity_phase_ of 1.< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "keywordflow" > switch< / span > (polarity_phase_ % 8) {< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "keywordflow" > case< / span > 0:< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > ResetInitialPolarity(< span class = "comment" > /*from=*/< / span > 0);< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "keywordflow" > case< / span > 1:< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > UseLongestAssignmentAsInitialPolarity();< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "keywordflow" > case< / span > 2:< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > ResetInitialPolarity(< span class = "comment" > /*from=*/< / span > 0, < span class = "comment" > /*inverted=*/< / span > < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "keywordflow" > case< / span > 3:< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > UseLongestAssignmentAsInitialPolarity();< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "keywordflow" > case< / span > 4:< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > RandomizeCurrentPolarity();< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "keywordflow" > case< / span > 5:< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > UseLongestAssignmentAsInitialPolarity();< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keywordflow" > case< / span > 6:< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > FlipCurrentPolarity();< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > < span class = "keywordflow" > case< / span > 7:< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > UseLongestAssignmentAsInitialPolarity();< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > }< / 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" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a1dc177ee88f0a7ce2e46a032e5c3cf02" > 128< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a1dc177ee88f0a7ce2e46a032e5c3cf02" > SatDecisionPolicy::ResetDecisionHeuristic< / a > () {< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_variables = activities_.size();< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > variable_activity_increment_ = 1.0;< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > activities_.assign(num_variables, parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#acabedd7725b642e1e6a45cd189f7345a" > initial_variables_activity< / a > ());< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > tie_breakers_.assign(num_variables, 0.0);< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > num_bumps_.assign(num_variables, 0);< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > var_ordering_.Clear();< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > polarity_phase_ = 0;< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > num_conflicts_until_rephase_ = parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a93f25af8b4b4d05251e0c8022e89cc5f" > polarity_rephase_increment< / a > ();< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > ResetInitialPolarity(< span class = "comment" > /*from=*/< / span > 0);< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > has_target_polarity_.assign(num_variables, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > has_forced_polarity_.assign(num_variables, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > best_partial_assignment_.clear();< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > num_conflicts_ = 0;< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > num_conflicts_stack_.clear();< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > var_ordering_is_initialized_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > }< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < span class = "keywordtype" > void< / span > SatDecisionPolicy::ResetInitialPolarity(< span class = "keywordtype" > int< / span > from, < span class = "keywordtype" > bool< / span > inverted) {< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "comment" > // Sets the initial polarity.< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < span class = "comment" > // TODO(user): The WEIGHTED_SIGN one are currently slightly broken because the< / span > < / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < span class = "comment" > // weighted_sign_ is updated after this has been called. It requires a call< / span > < / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > < span class = "comment" > // to ResetDecisionHeuristic() after all the constraint have been added. Fix.< / span > < / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "comment" > // On another hand, this is only used with SolveWithRandomParameters() that< / span > < / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "comment" > // does call this function.< / span > < / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_variables = activities_.size();< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < span class = "keywordflow" > for< / span > (BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > (from); < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < num_variables; ++< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < span class = "keywordflow" > switch< / span > (parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#acdf9e882380c9dc5181445d12ef0e455" > initial_polarity< / a > ()) {< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a222e319d48fb95a500e0cd87721dabbb" > SatParameters::POLARITY_TRUE< / a > :< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = inverted ? false : < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a0373caf3798876819f17810804214df0" > SatParameters::POLARITY_FALSE< / a > :< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = inverted ? true : < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a4f76a8353cf447a5ac59c2fce59f84b3" > SatParameters::POLARITY_RANDOM< / a > :< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = std::uniform_int_distribution< int> (0, 1)(*random_);< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#af6049803e9c462a8d8e4f220d30ca2b5" > SatParameters::POLARITY_WEIGHTED_SIGN< / a > :< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = weighted_sign_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] > 0;< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a42df913cc432142f61613ce689c27807" > SatParameters::POLARITY_REVERSE_WEIGHTED_SIGN< / a > :< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = weighted_sign_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] < 0;< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < span class = "keywordflow" > break< / 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 > }< / 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 > < / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < span class = "keywordtype" > void< / span > SatDecisionPolicy::UseLongestAssignmentAsInitialPolarity() {< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < span class = "comment" > // In this special case, we just overwrite partially the current fixed< / span > < / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < span class = "comment" > // polarity and reset the best best_partial_assignment_ for the next such< / span > < / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "comment" > // phase.< / span > < / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > Literal l : best_partial_assignment_) {< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > var_polarity_[l.Variable()] = l.IsPositive();< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > }< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > best_partial_assignment_.clear();< / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > }< / 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 > < span class = "keywordtype" > void< / span > SatDecisionPolicy::FlipCurrentPolarity() {< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_variables = var_polarity_.size();< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "keywordflow" > for< / span > (BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ; < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < num_variables; ++< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = !var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ];< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > }< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > }< / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > < / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < span class = "keywordtype" > void< / span > SatDecisionPolicy::RandomizeCurrentPolarity() {< / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_variables = var_polarity_.size();< / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > < span class = "keywordflow" > for< / span > (BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ; < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < num_variables; ++< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = std::uniform_int_distribution< int> (0, 1)(*random_);< / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > }< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > }< / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < span class = "keywordtype" > void< / span > SatDecisionPolicy::InitializeVariableOrdering() {< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_variables = activities_.size();< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > < / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < span class = "comment" > // First, extract the variables without activity, and add the other to the< / span > < / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "comment" > // priority queue.< / span > < / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > var_ordering_.Clear();< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > tmp_variables_.clear();< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "keywordflow" > for< / span > (BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > (0); < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < num_variables; ++< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < span class = "keywordflow" > if< / span > (!trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a4793952607a98dfddfbcc17abfabbb4b" > Assignment< / a > ().< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d" > VariableIsAssigned< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) {< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keywordflow" > if< / span > (activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] > 0.0) {< / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > var_ordering_.Add(< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > {< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > float< / span > < span class = "keyword" > > < / span > (tie_breakers_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]), activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]});< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > tmp_variables_.push_back(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > }< / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > }< / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > }< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < span class = "comment" > // Set the order of the other according to the parameters_.< / span > < / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > < span class = "comment" > // Note that this is just a " preference" since the priority queue will kind< / span > < / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > < span class = "comment" > // of randomize this. However, it is more efficient than using the tie_breaker< / span > < / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > < span class = "comment" > // which add a big overhead on the priority queue.< / span > < / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < span class = "comment" > // TODO(user): Experiment and come up with a good set of heuristics.< / span > < / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > < span class = "keywordflow" > switch< / span > (parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#ac2d0288eed0b7c5848d43e880edd955d" > preferred_variable_order< / a > ()) {< / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a5f93e20ddb494c7318a5bd75c4e5dbd3" > SatParameters::IN_ORDER< / a > :< / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#ac29668220ad8acbbbb01f66f694873ba" > SatParameters::IN_REVERSE_ORDER< / a > :< / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > std::reverse(tmp_variables_.begin(), tmp_variables_.end());< / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > < span class = "keywordflow" > case< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#af35069c965baea91167ace7ecb7e1cc0" > SatParameters::IN_RANDOM_ORDER< / a > :< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > std::shuffle(tmp_variables_.begin(), tmp_variables_.end(), *random_);< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > }< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > < span class = "comment" > // Add the variables without activity to the queue (in the default order)< / span > < / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : tmp_variables_) {< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > var_ordering_.Add({< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > float< / span > < span class = "keyword" > > < / span > (tie_breakers_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]), 0.0});< / 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 > < span class = "comment" > // Finish the queue initialization.< / span > < / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#ab2fc4510692e040b62507dce522e0e31" > ClearAndResize< / a > (num_variables);< / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#ad169bc2e89d7b366bfe0ee5d80083c11" > SetAllBefore< / a > (trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > ());< / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > var_ordering_is_initialized_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > }< / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > < / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a955786dcbe82b7c4dc9924a5473ac1e8" > 250< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a955786dcbe82b7c4dc9924a5473ac1e8" > SatDecisionPolicy::SetAssignmentPreference< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > ,< / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > ) {< / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < span class = "keywordflow" > if< / span > (!parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a1635a2dbd56096bb62e0581cd949cceb" > use_optimization_hints< / a > ()) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > < a class = "code hl_define" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (< a class = "code hl_variable" href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > , 0.0);< / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (< a class = "code hl_variable" href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > , 1.0);< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > has_forced_polarity_[< a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > .Variable()] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > forced_polarity_[< a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > .Variable()] = < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > .IsPositive();< / 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 = "comment" > // The tie_breaker is changed, so we need to reinitialize the priority queue.< / span > < / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > < span class = "comment" > // Note that this doesn' t change the activity though.< / span > < / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > tie_breakers_[< a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > .Variable()] = < a class = "code hl_variable" href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > ;< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > var_ordering_is_initialized_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > }< / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a0b5d7f31620ad7b364e7415c47ee5e0d" > 265< / a > < / span > std::vector< std::pair< Literal, double> > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a0b5d7f31620ad7b364e7415c47ee5e0d" > SatDecisionPolicy::AllPreferences< / a > ()< span class = "keyword" > < / span > < / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > < span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > std::vector< std::pair< Literal, double> > prefs;< / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < span class = "keywordflow" > for< / span > (BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > (0); < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < var_polarity_.size(); ++< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > < span class = "comment" > // TODO(user): we currently assume that if the tie_breaker is zero then< / span > < / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > < span class = "comment" > // no preference was set (which is not 100% correct). Fix that.< / span > < / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = var_ordering_.GetElement(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > .value()).tie_breaker;< / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > > 0.0) {< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > prefs.push_back(std::make_pair(< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]), < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > }< / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > }< / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > < span class = "keywordflow" > return< / span > prefs;< / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > }< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#acf5ac4ce7b95b26c0eadcd6b8cbffe74" > 279< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#acf5ac4ce7b95b26c0eadcd6b8cbffe74" > SatDecisionPolicy::UpdateWeightedSign< / a > (< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > < span class = "keyword" > const< / span > std::vector< LiteralWithCoeff> & terms, < a class = "code hl_typedef" href = "namespaceoperations__research_1_1math__opt.html#ab61209db5b13f0d424da009e414298fc" > Coefficient< / a > rhs) {< / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_struct" href = "structoperations__research_1_1sat_1_1_literal_with_coeff.html" > LiteralWithCoeff< / a > & term : terms) {< / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > = < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (term.coefficient.value()) /< / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (rhs.value());< / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > weighted_sign_[term.literal.Variable()] +=< / div >
< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > term.literal.IsPositive() ? -< a class = "code hl_variable" href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > : < a class = "code hl_variable" href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > ;< / div >
< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > }< / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > }< / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > < / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#aab615de1a3b2016b0a8b8cdf05e9cf0b" > 289< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#aab615de1a3b2016b0a8b8cdf05e9cf0b" > SatDecisionPolicy::BumpVariableActivities< / a > (< / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > < span class = "keyword" > const< / span > std::vector< Literal> & literals) {< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > < span class = "keywordflow" > if< / span > (parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a22906e07897f0c712b4710d8716b8dc1" > use_erwa_heuristic< / a > ()) {< / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > : literals) {< / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > < span class = "comment" > // Note that we don' t really need to bump level 0 variables since they< / span > < / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < span class = "comment" > // will never be backtracked over. However it is faster to simply bump< / span > < / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > < span class = "comment" > // them.< / span > < / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > ++num_bumps_[< a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > .Variable()];< / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > }< / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > }< / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > < / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > max_activity_value = parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a2dab8725b3fd2d30dc7ba633a2096ca0" > max_variable_activity_value< / a > ();< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > : literals) {< / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > < span class = "keyword" > const< / span > BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > .Variable();< / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > level = trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#aba78b12088909fb59dbdd0cb064412ae" > Info< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ).< a class = "code hl_variable" href = "structoperations__research_1_1sat_1_1_assignment_info.html#a6a330c3b2adf87bfa27e9a9450d8bc40" > level< / a > ;< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > < span class = "keywordflow" > if< / span > (level == 0) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] += variable_activity_increment_;< / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#a74d1ef67d47fb7f8418e53ec28a14fb3" > Set< / a > (trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#aba78b12088909fb59dbdd0cb064412ae" > Info< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ).< a class = "code hl_variable" href = "structoperations__research_1_1sat_1_1_assignment_info.html#a0f2d611d5c2d56f60646827438acf3af" > trail_index< / a > );< / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > < span class = "keywordflow" > if< / span > (activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] > max_activity_value) {< / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > RescaleVariableActivities(1.0 / max_activity_value);< / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > }< / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > }< / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > }< / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > < / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > < span class = "keywordtype" > void< / span > SatDecisionPolicy::RescaleVariableActivities(< span class = "keywordtype" > double< / span > scaling_factor) {< / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > variable_activity_increment_ *= scaling_factor;< / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > < span class = "keywordflow" > for< / span > (BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > (0); < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < activities_.size(); ++< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] *= scaling_factor;< / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > }< / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > < / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > < span class = "comment" > // When rescaling the activities of all the variables, the order of the< / span > < / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > < span class = "comment" > // active variables in the heap will not change, but we still need to update< / span > < / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > < span class = "comment" > // their weights so that newly inserted elements will compare correctly with< / span > < / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > < span class = "comment" > // already inserted ones.< / span > < / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > < span class = "comment" > // IMPORTANT: we need to reset the full heap from scratch because just< / span > < / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > < span class = "comment" > // multiplying the current weight by scaling_factor is not guaranteed to< / span > < / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > < span class = "comment" > // preserve the order. This is because the activity of two entries may go to< / span > < / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > < span class = "comment" > // zero and the tie-breaking ordering may change their relative order.< / span > < / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > < span class = "comment" > // InitializeVariableOrdering() will be called lazily only if needed.< / span > < / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > var_ordering_is_initialized_ = < span class = "keyword" > false< / 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" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a8bc0829ef9f6099106cab480e71ab847" > 334< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a8bc0829ef9f6099106cab480e71ab847" > SatDecisionPolicy::UpdateVariableActivityIncrement< / a > () {< / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > variable_activity_increment_ *= 1.0 / parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a6656af65351161566d9dabfcd62546a9" > variable_activity_decay< / a > ();< / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > }< / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > < / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#acf014a334d9412c245c083ce69aa8716" > 338< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#acf014a334d9412c245c083ce69aa8716" > SatDecisionPolicy::NextBranch< / a > () {< / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > < span class = "comment" > // Lazily initialize var_ordering_ if needed.< / span > < / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > < span class = "keywordflow" > if< / span > (!var_ordering_is_initialized_) {< / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > InitializeVariableOrdering();< / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > }< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > < / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > < span class = "comment" > // Choose the variable.< / span > < / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ;< / div >
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "revised__simplex_8cc.html#af01c50e388647c921aa7d9c77f2b72b2" > ratio< / a > = parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#acd51f700ec6afd1af748f3e6c95bcab8" > random_branches_ratio< / a > ();< / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > < span class = "keyword" > auto< / span > zero_to_one = [< span class = "keyword" > this< / span > ]() {< / div >
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > < span class = "keywordflow" > return< / span > std::uniform_real_distribution< double> ()(*random_);< / 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 = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "revised__simplex_8cc.html#af01c50e388647c921aa7d9c77f2b72b2" > ratio< / a > != 0.0 & & zero_to_one() < < a class = "code hl_variable" href = "revised__simplex_8cc.html#af01c50e388647c921aa7d9c77f2b72b2" > ratio< / a > ) {< / div >
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > < span class = "comment" > // TODO(user): This may not be super efficient if almost all the< / span > < / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > < span class = "comment" > // variables are assigned.< / span > < / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > std::uniform_int_distribution< int> index_dist(0,< / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > var_ordering_.Size() - 1);< / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = var_ordering_.QueueElement(index_dist(*random_)).var;< / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > < span class = "keywordflow" > if< / span > (!trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a4793952607a98dfddfbcc17abfabbb4b" > Assignment< / a > ().< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d" > VariableIsAssigned< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#a74d1ef67d47fb7f8418e53ec28a14fb3" > Set< / a > (trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#aba78b12088909fb59dbdd0cb064412ae" > Info< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ).< a class = "code hl_variable" href = "structoperations__research_1_1sat_1_1_assignment_info.html#a0f2d611d5c2d56f60646827438acf3af" > trail_index< / a > );< / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > var_ordering_.Remove(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > .value());< / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > }< / div >
< div class = "line" > < a id = "l00361" name = "l00361" > < / a > < span class = "lineno" > 361< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00362" name = "l00362" > < / a > < span class = "lineno" > 362< / span > < span class = "comment" > // The loop is done this way in order to leave the final choice in the heap.< / span > < / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!var_ordering_.IsEmpty());< / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = var_ordering_.Top().var;< / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > < span class = "keywordflow" > while< / span > (trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a4793952607a98dfddfbcc17abfabbb4b" > Assignment< / a > ().< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d" > VariableIsAssigned< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) {< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > var_ordering_.Pop();< / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#a74d1ef67d47fb7f8418e53ec28a14fb3" > Set< / a > (trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#aba78b12088909fb59dbdd0cb064412ae" > Info< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ).< a class = "code hl_variable" href = "structoperations__research_1_1sat_1_1_assignment_info.html#a0f2d611d5c2d56f60646827438acf3af" > trail_index< / a > );< / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!var_ordering_.IsEmpty());< / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = var_ordering_.Top().var;< / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > }< / 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 > < / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > < span class = "comment" > // Choose its polarity (i.e. True of False).< / span > < / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > random_ratio = parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#addafb80c4da717f75a70b37d1b9d77c4" > random_polarity_ratio< / a > ();< / div >
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > < span class = "keywordflow" > if< / span > (random_ratio != 0.0 & & zero_to_one() < random_ratio) {< / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , std::uniform_int_distribution< int> (0, 1)(*random_));< / div >
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > }< / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > < / div >
< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > < span class = "keywordflow" > if< / span > (has_forced_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]) < span class = "keywordflow" > return< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , forced_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]);< / div >
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > < span class = "keywordflow" > if< / span > (in_stable_phase_ & & has_target_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]) {< / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , target_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]);< / 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 > < span class = "keywordflow" > return< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , var_polarity_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]);< / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > }< / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > < / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > < span class = "keywordtype" > void< / span > SatDecisionPolicy::PqInsertOrUpdate(BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > < span class = "keyword" > const< / span > WeightedVarQueueElement element{< / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > float< / span > < span class = "keyword" > > < / span > (tie_breakers_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]), activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ]};< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > < span class = "keywordflow" > if< / span > (var_ordering_.Contains(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > .value())) {< / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > < span class = "comment" > // Note that the new weight should always be higher than the old one.< / span > < / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > var_ordering_.IncreasePriority(element);< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > 393< / span > var_ordering_.Add(element);< / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > }< / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > }< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#aa62b9215667a0b7dc6af8251dbaba486" > 397< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#aa62b9215667a0b7dc6af8251dbaba486" > SatDecisionPolicy::Untrail< / a > (< span class = "keywordtype" > int< / span > target_trail_index) {< / div >
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > < span class = "comment" > // TODO(user): avoid looping twice over the trail?< / span > < / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > < span class = "keywordflow" > if< / span > (maybe_enable_phase_saving_ & & parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a938ebad32f4c9e9e6c06cd2cee04581e" > use_phase_saving< / a > ()) {< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = target_trail_index; i < trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > (); ++i) {< / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > l = trail_[i];< / div >
< div class = "line" > < a id = "l00402" name = "l00402" > < / a > < span class = "lineno" > 402< / span > var_polarity_[l.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8" > Variable< / a > ()] = l.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_literal.html#ab76ca9049d6f3f1948d7120a98765107" > IsPositive< / a > ();< / div >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > }< / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > }< / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > < / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (target_trail_index, trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > ());< / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > < span class = "keywordflow" > if< / span > (parameters_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a22906e07897f0c712b4710d8716b8dc1" > use_erwa_heuristic< / a > ()) {< / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > < span class = "comment" > // The ERWA parameter between the new estimation of the learning rate and< / span > < / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > < span class = "comment" > // the old one. TODO(user): Expose parameters for these values.< / span > < / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > alpha = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (0.06, 0.4 - 1e-6 * num_conflicts_);< / 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" > // This counts the number of conflicts since the assignment of the variable< / span > < / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > < span class = "comment" > // at the current trail_index that we are about to untrail.< / span > < / div >
< div class = "line" > < a id = "l00414" name = "l00414" > < / a > < span class = "lineno" > 414< / span > < span class = "keywordtype" > int< / span > num_conflicts = 0;< / div >
< div class = "line" > < a id = "l00415" name = "l00415" > < / a > < span class = "lineno" > 415< / span > < span class = "keywordtype" > int< / span > next_num_conflicts_update =< / div >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > num_conflicts_stack_.empty() ? -1< / div >
< div class = "line" > < a id = "l00417" name = "l00417" > < / a > < span class = "lineno" > 417< / span > : num_conflicts_stack_.back().trail_index;< / 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 = "keywordtype" > int< / span > trail_index = trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > ();< / div >
< div class = "line" > < a id = "l00420" name = "l00420" > < / a > < span class = "lineno" > 420< / span > < span class = "keywordflow" > while< / span > (trail_index > target_trail_index) {< / div >
< div class = "line" > < a id = "l00421" name = "l00421" > < / a > < span class = "lineno" > 421< / span > < span class = "keywordflow" > if< / span > (next_num_conflicts_update == trail_index) {< / div >
< div class = "line" > < a id = "l00422" name = "l00422" > < / a > < span class = "lineno" > 422< / span > num_conflicts += num_conflicts_stack_.back().count;< / div >
< div class = "line" > < a id = "l00423" name = "l00423" > < / a > < span class = "lineno" > 423< / span > num_conflicts_stack_.pop_back();< / div >
< div class = "line" > < a id = "l00424" name = "l00424" > < / a > < span class = "lineno" > 424< / span > next_num_conflicts_update =< / div >
< div class = "line" > < a id = "l00425" name = "l00425" > < / a > < span class = "lineno" > 425< / span > num_conflicts_stack_.empty()< / div >
< div class = "line" > < a id = "l00426" name = "l00426" > < / a > < span class = "lineno" > 426< / span > ? -1< / div >
< div class = "line" > < a id = "l00427" name = "l00427" > < / a > < span class = "lineno" > 427< / span > : num_conflicts_stack_.back().trail_index;< / div >
< div class = "line" > < a id = "l00428" name = "l00428" > < / a > < span class = "lineno" > 428< / span > }< / div >
< div class = "line" > < a id = "l00429" name = "l00429" > < / a > < span class = "lineno" > 429< / span > < span class = "keyword" > const< / span > BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = trail_[--trail_index].Variable();< / div >
< div class = "line" > < a id = "l00430" name = "l00430" > < / a > < span class = "lineno" > 430< / span > < / div >
< div class = "line" > < a id = "l00431" name = "l00431" > < / a > < span class = "lineno" > 431< / span > < span class = "comment" > // TODO(user): This heuristic can make this code quite slow because< / span > < / div >
< div class = "line" > < a id = "l00432" name = "l00432" > < / a > < span class = "lineno" > 432< / span > < span class = "comment" > // all the untrailed variable will cause a priority queue update.< / span > < / div >
< div class = "line" > < a id = "l00433" name = "l00433" > < / a > < span class = "lineno" > 433< / span > < span class = "keyword" > const< / span > int64_t num_bumps = num_bumps_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ];< / div >
< div class = "line" > < a id = "l00434" name = "l00434" > < / a > < span class = "lineno" > 434< / span > < span class = "keywordtype" > double< / span > new_rate = 0.0;< / div >
< div class = "line" > < a id = "l00435" name = "l00435" > < / a > < span class = "lineno" > 435< / span > < span class = "keywordflow" > if< / span > (num_bumps > 0) {< / div >
< div class = "line" > < a id = "l00436" name = "l00436" > < / a > < span class = "lineno" > 436< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > (num_conflicts, 0);< / div >
< div class = "line" > < a id = "l00437" name = "l00437" > < / a > < span class = "lineno" > 437< / span > num_bumps_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = 0;< / div >
< div class = "line" > < a id = "l00438" name = "l00438" > < / a > < span class = "lineno" > 438< / span > new_rate = < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (num_bumps) / num_conflicts;< / div >
< div class = "line" > < a id = "l00439" name = "l00439" > < / a > < span class = "lineno" > 439< / span > }< / div >
< div class = "line" > < a id = "l00440" name = "l00440" > < / a > < span class = "lineno" > 440< / span > activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ] = alpha * new_rate + (1 - alpha) * activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ];< / div >
< div class = "line" > < a id = "l00441" name = "l00441" > < / a > < span class = "lineno" > 441< / span > < span class = "keywordflow" > if< / span > (var_ordering_is_initialized_) PqInsertOrUpdate(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00442" name = "l00442" > < / a > < span class = "lineno" > 442< / span > }< / div >
< div class = "line" > < a id = "l00443" name = "l00443" > < / a > < span class = "lineno" > 443< / span > < span class = "keywordflow" > if< / span > (num_conflicts > 0) {< / div >
< div class = "line" > < a id = "l00444" name = "l00444" > < / a > < span class = "lineno" > 444< / span > < span class = "keywordflow" > if< / span > (!num_conflicts_stack_.empty() & & < / div >
< div class = "line" > < a id = "l00445" name = "l00445" > < / a > < span class = "lineno" > 445< / span > num_conflicts_stack_.back().trail_index == trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > ()) {< / div >
< div class = "line" > < a id = "l00446" name = "l00446" > < / a > < span class = "lineno" > 446< / span > num_conflicts_stack_.back().count += num_conflicts;< / div >
< div class = "line" > < a id = "l00447" name = "l00447" > < / a > < span class = "lineno" > 447< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00448" name = "l00448" > < / a > < span class = "lineno" > 448< / span > num_conflicts_stack_.push_back({trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > (), num_conflicts});< / div >
< div class = "line" > < a id = "l00449" name = "l00449" > < / a > < span class = "lineno" > 449< / span > }< / div >
< div class = "line" > < a id = "l00450" name = "l00450" > < / a > < span class = "lineno" > 450< / span > }< / div >
< div class = "line" > < a id = "l00451" name = "l00451" > < / a > < span class = "lineno" > 451< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00452" name = "l00452" > < / a > < span class = "lineno" > 452< / span > < span class = "keywordflow" > if< / span > (!var_ordering_is_initialized_) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00453" name = "l00453" > < / a > < span class = "lineno" > 453< / span > < / div >
< div class = "line" > < a id = "l00454" name = "l00454" > < / a > < span class = "lineno" > 454< / span > < span class = "comment" > // Trail index of the next variable that will need a priority queue update.< / span > < / div >
< div class = "line" > < a id = "l00455" name = "l00455" > < / a > < span class = "lineno" > 455< / span > < span class = "keywordtype" > int< / span > to_update = pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#a2edc7a62aaf90213f6c5f765242d6488" > Top< / a > ();< / div >
< div class = "line" > < a id = "l00456" name = "l00456" > < / a > < span class = "lineno" > 456< / span > < span class = "keywordflow" > while< / span > (to_update > = target_trail_index) {< / div >
< div class = "line" > < a id = "l00457" name = "l00457" > < / a > < span class = "lineno" > 457< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (to_update, trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > ());< / div >
< div class = "line" > < a id = "l00458" name = "l00458" > < / a > < span class = "lineno" > 458< / span > PqInsertOrUpdate(trail_[to_update].Variable());< / div >
< div class = "line" > < a id = "l00459" name = "l00459" > < / a > < span class = "lineno" > 459< / span > pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#a704ec3ccc1510e90b041a92a0e04b71c" > ClearTop< / a > ();< / div >
< div class = "line" > < a id = "l00460" name = "l00460" > < / a > < span class = "lineno" > 460< / span > to_update = pq_need_update_for_var_at_trail_index_.< a class = "code hl_function" href = "classoperations__research_1_1_bit_queue64.html#a2edc7a62aaf90213f6c5f765242d6488" > Top< / a > ();< / div >
< div class = "line" > < a id = "l00461" name = "l00461" > < / a > < span class = "lineno" > 461< / span > }< / div >
< div class = "line" > < a id = "l00462" name = "l00462" > < / a > < span class = "lineno" > 462< / span > }< / div >
< div class = "line" > < a id = "l00463" name = "l00463" > < / a > < span class = "lineno" > 463< / span > < / div >
< div class = "line" > < a id = "l00464" name = "l00464" > < / a > < span class = "lineno" > 464< / span > < span class = "comment" > // Invariant.< / span > < / div >
< div class = "line" > < a id = "l00465" name = "l00465" > < / a > < span class = "lineno" > 465< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "macros_8h.html#a7f536a3b33f9bed8f75734e035d30725" > DEBUG_MODE< / a > & & var_ordering_is_initialized_) {< / div >
< div class = "line" > < a id = "l00466" name = "l00466" > < / a > < span class = "lineno" > 466< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > trail_index = trail_.< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > () - 1; trail_index > target_trail_index;< / div >
< div class = "line" > < a id = "l00467" name = "l00467" > < / a > < span class = "lineno" > 467< / span > --trail_index) {< / div >
< div class = "line" > < a id = "l00468" name = "l00468" > < / a > < span class = "lineno" > 468< / span > < span class = "keyword" > const< / span > BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = trail_[trail_index].Variable();< / div >
< div class = "line" > < a id = "l00469" name = "l00469" > < / a > < span class = "lineno" > 469< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (var_ordering_.Contains(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > .value()));< / div >
< div class = "line" > < a id = "l00470" name = "l00470" > < / a > < span class = "lineno" > 470< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (activities_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ], var_ordering_.GetElement(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > .value()).weight);< / div >
< div class = "line" > < a id = "l00471" name = "l00471" > < / a > < span class = "lineno" > 471< / span > }< / div >
< div class = "line" > < a id = "l00472" name = "l00472" > < / a > < span class = "lineno" > 472< / span > }< / div >
< div class = "line" > < a id = "l00473" name = "l00473" > < / a > < span class = "lineno" > 473< / span > }< / div >
< div class = "line" > < a id = "l00474" name = "l00474" > < / a > < span class = "lineno" > 474< / span > < / div >
< div class = "line" > < a id = "l00475" name = "l00475" > < / a > < span class = "lineno" > 475< / span > } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a id = "l00476" name = "l00476" > < / a > < span class = "lineno" > 476< / span > } < span class = "comment" > // namespace operations_research< / span > < / 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 = "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#l00491" > base/logging.h:491< / a > < / div > < / div >
< 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#l00888" > base/logging.h:888< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > < / div > < div class = "ttdeci" > #define CHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00698" > base/logging.h:698< / 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#l00890" > base/logging.h:890< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab4f56aa24c4c9cddc47a6abd2d747f9a" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > < / div > < div class = "ttdeci" > #define DCHECK_GT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00891" > base/logging.h:891< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_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#l00889" > base/logging.h:889< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > < / div > < div class = "ttdeci" > #define DCHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00885" > base/logging.h:885< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927" > < div class = "ttname" > < a href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > < / div > < div class = "ttdeci" > #define VLOG(verboselevel)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00979" > base/logging.h:979< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bit_queue64_html_a2c9e03b5ffa844d119c926de4689ce59" > < div class = "ttname" > < a href = "classoperations__research_1_1_bit_queue64.html#a2c9e03b5ffa844d119c926de4689ce59" > operations_research::BitQueue64::IncreaseSize< / a > < / div > < div class = "ttdeci" > void IncreaseSize(int size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00690" > bitset.h:690< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bit_queue64_html_a2edc7a62aaf90213f6c5f765242d6488" > < div class = "ttname" > < a href = "classoperations__research_1_1_bit_queue64.html#a2edc7a62aaf90213f6c5f765242d6488" > operations_research::BitQueue64::Top< / a > < / div > < div class = "ttdeci" > int Top() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00722" > bitset.h:722< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bit_queue64_html_a704ec3ccc1510e90b041a92a0e04b71c" > < div class = "ttname" > < a href = "classoperations__research_1_1_bit_queue64.html#a704ec3ccc1510e90b041a92a0e04b71c" > operations_research::BitQueue64::ClearTop< / a > < / div > < div class = "ttdeci" > void ClearTop()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00725" > bitset.h:725< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bit_queue64_html_a74d1ef67d47fb7f8418e53ec28a14fb3" > < div class = "ttname" > < a href = "classoperations__research_1_1_bit_queue64.html#a74d1ef67d47fb7f8418e53ec28a14fb3" > operations_research::BitQueue64::Set< / a > < / div > < div class = "ttdeci" > void Set(int i)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00702" > bitset.h:702< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bit_queue64_html_ab2fc4510692e040b62507dce522e0e31" > < div class = "ttname" > < a href = "classoperations__research_1_1_bit_queue64.html#ab2fc4510692e040b62507dce522e0e31" > operations_research::BitQueue64::ClearAndResize< / a > < / div > < div class = "ttdeci" > void ClearAndResize(int size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00696" > bitset.h:696< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_bit_queue64_html_ad169bc2e89d7b366bfe0ee5d80083c11" > < div class = "ttname" > < a href = "classoperations__research_1_1_bit_queue64.html#ad169bc2e89d7b366bfe0ee5d80083c11" > operations_research::BitQueue64::SetAllBefore< / a > < / div > < div class = "ttdeci" > void SetAllBefore(int i)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bitset_8h_source.html#l00710" > bitset.h:710< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_literal_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_literal.html" > operations_research::sat::Literal< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00065" > sat_base.h:65< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_literal_html_a6a5dcff82096cd7a7147bf996dbaa5a8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8" > operations_research::sat::Literal::Variable< / a > < / div > < div class = "ttdeci" > BooleanVariable Variable() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00081" > sat_base.h:81< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_literal_html_ab76ca9049d6f3f1948d7120a98765107" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_literal.html#ab76ca9049d6f3f1948d7120a98765107" > operations_research::sat::Literal::IsPositive< / a > < / div > < div class = "ttdeci" > bool IsPositive() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00082" > sat_base.h:82< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_model_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_model.html" > operations_research::sat::Model< / a > < / div > < div class = "ttdoc" > Class that owns everything related to a particular optimization model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2model_8h_source.html#l00038" > sat/model.h:38< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_model_random_generator_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_model_random_generator.html" > operations_research::sat::ModelRandomGenerator< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2util_8h_source.html#l00041" > sat/util.h:41< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_a0b5d7f31620ad7b364e7415c47ee5e0d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a0b5d7f31620ad7b364e7415c47ee5e0d" > operations_research::sat::SatDecisionPolicy::AllPreferences< / a > < / div > < div class = "ttdeci" > std::vector< std::pair< Literal, double > > AllPreferences() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00265" > sat_decision.cc:265< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_a19614231a107b165113595bf8edf60bf" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a19614231a107b165113595bf8edf60bf" > operations_research::sat::SatDecisionPolicy::IncreaseNumVariables< / a > < / div > < div class = "ttdeci" > void IncreaseNumVariables(int num_variables)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00028" > sat_decision.cc:28< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_a1dc177ee88f0a7ce2e46a032e5c3cf02" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a1dc177ee88f0a7ce2e46a032e5c3cf02" > operations_research::sat::SatDecisionPolicy::ResetDecisionHeuristic< / a > < / div > < div class = "ttdeci" > void ResetDecisionHeuristic()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00128" > sat_decision.cc:128< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_a8bc0829ef9f6099106cab480e71ab847" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a8bc0829ef9f6099106cab480e71ab847" > operations_research::sat::SatDecisionPolicy::UpdateVariableActivityIncrement< / a > < / div > < div class = "ttdeci" > void UpdateVariableActivityIncrement()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00334" > sat_decision.cc:334< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_a955786dcbe82b7c4dc9924a5473ac1e8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#a955786dcbe82b7c4dc9924a5473ac1e8" > operations_research::sat::SatDecisionPolicy::SetAssignmentPreference< / a > < / div > < div class = "ttdeci" > void SetAssignmentPreference(Literal literal, double weight)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00250" > sat_decision.cc:250< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_aa62b9215667a0b7dc6af8251dbaba486" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#aa62b9215667a0b7dc6af8251dbaba486" > operations_research::sat::SatDecisionPolicy::Untrail< / a > < / div > < div class = "ttdeci" > void Untrail(int target_trail_index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00397" > sat_decision.cc:397< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_aab615de1a3b2016b0a8b8cdf05e9cf0b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#aab615de1a3b2016b0a8b8cdf05e9cf0b" > operations_research::sat::SatDecisionPolicy::BumpVariableActivities< / a > < / div > < div class = "ttdeci" > void BumpVariableActivities(const std::vector< Literal > & literals)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00289" > sat_decision.cc:289< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_abe906f3b347e87b5e91e7ab5609b0f36" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#abe906f3b347e87b5e91e7ab5609b0f36" > operations_research::sat::SatDecisionPolicy::BeforeConflict< / a > < / div > < div class = "ttdeci" > void BeforeConflict(int trail_index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00057" > sat_decision.cc:57< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_acf014a334d9412c245c083ce69aa8716" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#acf014a334d9412c245c083ce69aa8716" > operations_research::sat::SatDecisionPolicy::NextBranch< / a > < / div > < div class = "ttdeci" > Literal NextBranch()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00338" > sat_decision.cc:338< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_acf5ac4ce7b95b26c0eadcd6b8cbffe74" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#acf5ac4ce7b95b26c0eadcd6b8cbffe74" > operations_research::sat::SatDecisionPolicy::UpdateWeightedSign< / a > < / div > < div class = "ttdeci" > void UpdateWeightedSign(const std::vector< LiteralWithCoeff > & terms, Coefficient rhs)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00279" > sat_decision.cc:279< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html_af3bcc41cd4c20ff0a694cbfd18cb0e1e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html#af3bcc41cd4c20ff0a694cbfd18cb0e1e" > operations_research::sat::SatDecisionPolicy::SatDecisionPolicy< / a > < / div > < div class = "ttdeci" > SatDecisionPolicy(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8cc_source.html#l00023" > sat_decision.cc:23< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html" > operations_research::sat::SatParameters< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00347" > sat_parameters.pb.h:348< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a0373caf3798876819f17810804214df0" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a0373caf3798876819f17810804214df0" > operations_research::sat::SatParameters::POLARITY_FALSE< / a > < / div > < div class = "ttdeci" > static constexpr Polarity POLARITY_FALSE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00505" > sat_parameters.pb.h:505< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a1635a2dbd56096bb62e0581cd949cceb" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a1635a2dbd56096bb62e0581cd949cceb" > operations_research::sat::SatParameters::use_optimization_hints< / a > < / div > < div class = "ttdeci" > bool use_optimization_hints() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l05893" > sat_parameters.pb.h:5893< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a222e319d48fb95a500e0cd87721dabbb" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a222e319d48fb95a500e0cd87721dabbb" > operations_research::sat::SatParameters::POLARITY_TRUE< / a > < / div > < div class = "ttdeci" > static constexpr Polarity POLARITY_TRUE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00503" > sat_parameters.pb.h:503< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a22906e07897f0c712b4710d8716b8dc1" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a22906e07897f0c712b4710d8716b8dc1" > operations_research::sat::SatParameters::use_erwa_heuristic< / a > < / div > < div class = "ttdeci" > bool use_erwa_heuristic() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03683" > sat_parameters.pb.h:3683< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a2dab8725b3fd2d30dc7ba633a2096ca0" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a2dab8725b3fd2d30dc7ba633a2096ca0" > operations_research::sat::SatParameters::max_variable_activity_value< / a > < / div > < div class = "ttdeci" > double max_variable_activity_value() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l04163" > sat_parameters.pb.h:4163< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a42df913cc432142f61613ce689c27807" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a42df913cc432142f61613ce689c27807" > operations_research::sat::SatParameters::POLARITY_REVERSE_WEIGHTED_SIGN< / a > < / div > < div class = "ttdeci" > static constexpr Polarity POLARITY_REVERSE_WEIGHTED_SIGN< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00511" > sat_parameters.pb.h:511< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a4f76a8353cf447a5ac59c2fce59f84b3" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a4f76a8353cf447a5ac59c2fce59f84b3" > operations_research::sat::SatParameters::POLARITY_RANDOM< / a > < / div > < div class = "ttdeci" > static constexpr Polarity POLARITY_RANDOM< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00507" > sat_parameters.pb.h:507< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a5f93e20ddb494c7318a5bd75c4e5dbd3" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a5f93e20ddb494c7318a5bd75c4e5dbd3" > operations_research::sat::SatParameters::IN_ORDER< / a > < / div > < div class = "ttdeci" > static constexpr VariableOrder IN_ORDER< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00471" > sat_parameters.pb.h:471< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a6656af65351161566d9dabfcd62546a9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a6656af65351161566d9dabfcd62546a9" > operations_research::sat::SatParameters::variable_activity_decay< / a > < / div > < div class = "ttdeci" > double variable_activity_decay() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l04135" > sat_parameters.pb.h:4135< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a938ebad32f4c9e9e6c06cd2cee04581e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a938ebad32f4c9e9e6c06cd2cee04581e" > operations_research::sat::SatParameters::use_phase_saving< / a > < / div > < div class = "ttdeci" > bool use_phase_saving() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03571" > sat_parameters.pb.h:3571< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_a93f25af8b4b4d05251e0c8022e89cc5f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#a93f25af8b4b4d05251e0c8022e89cc5f" > operations_research::sat::SatParameters::polarity_rephase_increment< / a > < / div > < div class = "ttdeci" > ::PROTOBUF_NAMESPACE_ID::int32 polarity_rephase_increment() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03599" > sat_parameters.pb.h:3599< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_ac29668220ad8acbbbb01f66f694873ba" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#ac29668220ad8acbbbb01f66f694873ba" > operations_research::sat::SatParameters::IN_REVERSE_ORDER< / a > < / div > < div class = "ttdeci" > static constexpr VariableOrder IN_REVERSE_ORDER< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00473" > sat_parameters.pb.h:473< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_ac2d0288eed0b7c5848d43e880edd955d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#ac2d0288eed0b7c5848d43e880edd955d" > operations_research::sat::SatParameters::preferred_variable_order< / a > < / div > < div class = "ttdeci" > ::operations_research::sat::SatParameters_VariableOrder preferred_variable_order() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03513" > sat_parameters.pb.h:3513< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_acabedd7725b642e1e6a45cd189f7345a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#acabedd7725b642e1e6a45cd189f7345a" > operations_research::sat::SatParameters::initial_variables_activity< / a > < / div > < div class = "ttdeci" > double initial_variables_activity() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03711" > sat_parameters.pb.h:3711< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_acd51f700ec6afd1af748f3e6c95bcab8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#acd51f700ec6afd1af748f3e6c95bcab8" > operations_research::sat::SatParameters::random_branches_ratio< / a > < / div > < div class = "ttdeci" > double random_branches_ratio() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03655" > sat_parameters.pb.h:3655< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_acdf9e882380c9dc5181445d12ef0e455" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#acdf9e882380c9dc5181445d12ef0e455" > operations_research::sat::SatParameters::initial_polarity< / a > < / div > < div class = "ttdeci" > ::operations_research::sat::SatParameters_Polarity initial_polarity() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03542" > sat_parameters.pb.h:3542< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_addafb80c4da717f75a70b37d1b9d77c4" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#addafb80c4da717f75a70b37d1b9d77c4" > operations_research::sat::SatParameters::random_polarity_ratio< / a > < / div > < div class = "ttdeci" > double random_polarity_ratio() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l03627" > sat_parameters.pb.h:3627< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_af35069c965baea91167ace7ecb7e1cc0" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#af35069c965baea91167ace7ecb7e1cc0" > operations_research::sat::SatParameters::IN_RANDOM_ORDER< / a > < / div > < div class = "ttdeci" > static constexpr VariableOrder IN_RANDOM_ORDER< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00475" > sat_parameters.pb.h:475< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_parameters_html_af6049803e9c462a8d8e4f220d30ca2b5" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_parameters.html#af6049803e9c462a8d8e4f220d30ca2b5" > operations_research::sat::SatParameters::POLARITY_WEIGHTED_SIGN< / a > < / div > < div class = "ttdeci" > static constexpr Polarity POLARITY_WEIGHTED_SIGN< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__parameters_8pb_8h_source.html#l00509" > sat_parameters.pb.h:509< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_trail_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_trail.html" > operations_research::sat::Trail< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00234" > sat_base.h:234< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_trail_html_a4793952607a98dfddfbcc17abfabbb4b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_trail.html#a4793952607a98dfddfbcc17abfabbb4b" > operations_research::sat::Trail::Assignment< / a > < / div > < div class = "ttdeci" > const VariablesAssignment & Assignment() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00381" > sat_base.h:381< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_trail_html_a8ef12397d1682615bc3108c397734179" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_trail.html#a8ef12397d1682615bc3108c397734179" > operations_research::sat::Trail::Index< / a > < / div > < div class = "ttdeci" > int Index() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00379" > sat_base.h:379< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_trail_html_aba78b12088909fb59dbdd0cb064412ae" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_trail.html#aba78b12088909fb59dbdd0cb064412ae" > operations_research::sat::Trail::Info< / a > < / div > < div class = "ttdeci" > const AssignmentInfo & Info(BooleanVariable var) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00382" > sat_base.h:382< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_variables_assignment_html_a49e751eb6f0e9babd957889bb8e7472d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d" > operations_research::sat::VariablesAssignment::VariableIsAssigned< / a > < / div > < div class = "ttdeci" > bool VariableIsAssigned(BooleanVariable var) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00159" > sat_base.h:159< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < / div > < div class = "ttdeci" > int64_t value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00044" > demon_profiler.cc:44< / a > < / div > < / div >
< div class = "ttc" id = "aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465" > < div class = "ttname" > < a href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < / div > < div class = "ttdeci" > IntVar * var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "expr__array_8cc_source.html#l01874" > expr_array.cc:1874< / a > < / div > < / div >
< div class = "ttc" id = "agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf" > < div class = "ttname" > < a href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > < / div > < div class = "ttdeci" > GRBmodel * model< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gurobi__interface_8cc_source.html#l00273" > gurobi_interface.cc:273< / a > < / div > < / div >
< div class = "ttc" id = "amacros_8h_html_a7f536a3b33f9bed8f75734e035d30725" > < div class = "ttname" > < a href = "macros_8h.html#a7f536a3b33f9bed8f75734e035d30725" > DEBUG_MODE< / a > < / div > < div class = "ttdeci" > const bool DEBUG_MODE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "macros_8h_source.html#l00024" > macros.h:24< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1math__opt_html_ab61209db5b13f0d424da009e414298fc" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1math__opt.html#ab61209db5b13f0d424da009e414298fc" > operations_research::math_opt::Coefficient< / a > < / div > < div class = "ttdeci" > std::tuple< int64_t, int64_t, const double > Coefficient< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__collection__matchers_8h_source.html#l00061" > sparse_collection_matchers.h:61< / 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 = "aoptimization_8cc_html_af63dcc00f2023fdf498e0829e6fb8a6b" > < div class = "ttname" > < a href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > < / div > < div class = "ttdeci" > Literal literal< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "optimization_8cc_source.html#l00085" > optimization.cc:85< / a > < / div > < / div >
< div class = "ttc" id = "apack_8cc_html_a4255f714cea26cdd64f6a0ee72d34a8c" > < div class = "ttname" > < a href = "pack_8cc.html#a4255f714cea26cdd64f6a0ee72d34a8c" > weight< / a > < / div > < div class = "ttdeci" > int64_t weight< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pack_8cc_source.html#l00510" > pack.cc:510< / a > < / div > < / div >
< div class = "ttc" id = "arevised__simplex_8cc_html_af01c50e388647c921aa7d9c77f2b72b2" > < div class = "ttname" > < a href = "revised__simplex_8cc.html#af01c50e388647c921aa7d9c77f2b72b2" > ratio< / a > < / div > < div class = "ttdeci" > Fractional ratio< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "revised__simplex_8cc_source.html#l01917" > revised_simplex.cc:1917< / a > < / div > < / div >
< div class = "ttc" id = "asat_2util_8h_html" > < div class = "ttname" > < a href = "sat_2util_8h.html" > util.h< / a > < / div > < / div >
< div class = "ttc" id = "asat__decision_8h_html" > < div class = "ttname" > < a href = "sat__decision_8h.html" > sat_decision.h< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_assignment_info_html_a0f2d611d5c2d56f60646827438acf3af" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_assignment_info.html#a0f2d611d5c2d56f60646827438acf3af" > operations_research::sat::AssignmentInfo::trail_index< / a > < / div > < div class = "ttdeci" > int32_t trail_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00209" > sat_base.h:209< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_assignment_info_html_a6a330c3b2adf87bfa27e9a9450d8bc40" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_assignment_info.html#a6a330c3b2adf87bfa27e9a9450d8bc40" > operations_research::sat::AssignmentInfo::level< / a > < / div > < div class = "ttdeci" > uint32_t level< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00200" > sat_base.h:200< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_literal_with_coeff_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_literal_with_coeff.html" > operations_research::sat::LiteralWithCoeff< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pb__constraint_8h_source.html#l00050" > pb_constraint.h:50< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
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