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< a href = "integer__search_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
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< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
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< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
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< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > //< / span > < / div >
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< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "integer__search_8h.html" > ortools/sat/integer_search.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include < cmath> < / span > < / div >
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< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " absl/container/flat_hash_set.h" < / span > < / div >
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< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "integer_8h.html" > ortools/sat/integer.h< / a > " < / span > < / div >
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< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "sat__decision_8h.html" > ortools/sat/sat_decision.h< / a > " < / span > < / div >
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< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "sat_2util_8h.html" > ortools/sat/util.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keyword" > namespace < / span > sat {< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > 40< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail) {< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!integer_trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9" > IsCurrentlyIgnored< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ));< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "keyword" > const< / span > IntegerValue lb = integer_trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9" > LowerBound< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (lb, integer_trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac" > UpperBound< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ));< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordflow" > if< / span > (lb == integer_trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac" > UpperBound< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f" > IntegerLiteral::LowerOrEqual< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , lb);< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   }< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a71fa416b44768076a0e7dd7777ab433d" > 48< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a71fa416b44768076a0e7dd7777ab433d" > ChooseBestObjectiveValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & variables =< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_objective_definition.html" > ObjectiveDefinition< / a > > ()-> objective_impacting_variables;< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > if< / span > (variables.contains(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , integer_trail);< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (variables.contains(< a class = "code" href = "namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22" > NegationOf< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ))) {< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (< a class = "code" href = "namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22" > NegationOf< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ), integer_trail);< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   }< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   }< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > 60< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > GreaterOrEqualToMiddleValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ,< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail) {< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keyword" > const< / span > IntegerValue var_lb = integer_trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9" > LowerBound< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keyword" > const< / span > IntegerValue var_ub = integer_trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac" > UpperBound< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < a class = "code" href = "base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82" > CHECK_LT< / a > (var_lb, var_ub);< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keyword" > const< / span > IntegerValue chosen_value =< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   var_lb + < a class = "code" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (IntegerValue(1), (var_ub - var_lb) / IntegerValue(2));< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63" > IntegerLiteral::GreaterOrEqual< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , chosen_value);< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   }< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > 71< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > SplitAroundGivenValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , IntegerValue < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ,< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keyword" > const< / span > IntegerValue lb = integer_trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9" > LowerBound< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keyword" > const< / span > IntegerValue ub = integer_trail-> UpperBound(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keyword" > const< / span > absl::flat_hash_set< IntegerVariable> & variables =< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_objective_definition.html" > ObjectiveDefinition< / a > > ()-> objective_impacting_variables;< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "comment" > // Heuristic: Prefer the objective direction first. Reference: Conflict-Driven< / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "comment" > // Heuristics for Mixed Integer Programming (2019) by Jakob Witzig and Ambros< / span > < / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "comment" > // Gleixner.< / span > < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > // NOTE: The value might be out of bounds. In that case we return< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // kNoLiteralIndex.< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > branch_down_feasible = < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > > = lb & & < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < ub;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > branch_up_feasible = < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > > lb & & < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < = ub;< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordflow" > if< / span > (variables.contains(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) & & branch_down_feasible) {< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f" > IntegerLiteral::LowerOrEqual< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (variables.contains(< a class = "code" href = "namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22" > NegationOf< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) & & branch_up_feasible) {< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63" > IntegerLiteral::GreaterOrEqual< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (branch_down_feasible) {< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f" > IntegerLiteral::LowerOrEqual< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (branch_up_feasible) {< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63" > IntegerLiteral::GreaterOrEqual< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   }< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   }< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#ac0774a1df651b83339b00fee0bde1cd8" > 99< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac0774a1df651b83339b00fee0bde1cd8" > SplitAroundLpValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keyword" > auto< / span > * < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ();< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keyword" > auto< / span > * lp_dispatcher = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_dispatcher.html" > LinearProgrammingDispatcher< / a > > ();< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!integer_trail-> IsCurrentlyIgnored(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ));< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "keyword" > const< / span > IntegerVariable positive_var = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5" > PositiveVariable< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html" > LinearProgrammingConstraint< / a > * lp =< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < a class = "code" href = "namespacegtl.html#abc18f60961e36340e64e428827c0e38e" > gtl::FindWithDefault< / a > (*lp_dispatcher, positive_var, < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // We only use this if the sub-lp has a solution, and depending on the value< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // of exploit_all_lp_solution() if it is a pure-integer solution.< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > if< / span > (lp == < span class = "keyword" > nullptr< / span > || !lp-> < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html#ac7edc397b78de116072e89fe0ad89266" > HasSolution< / a > ()) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > -> exploit_all_lp_solution() & & !lp-> < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html#a700f8f1db38fcb59cab04ff2d75a915f" > SolutionIsInteger< / a > ()) {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   }< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > // TODO(user): Depending if we branch up or down, this might not exclude the< / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "comment" > // LP value, which is potentially a bad thing.< / span > < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "comment" > // TODO(user): Why is the reduced cost doing things differently?< / span > < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keyword" > const< / span > IntegerValue < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = IntegerValue(< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keyword" > static_cast< < / span > int64_t< span class = "keyword" > > < / span > (std::round(lp-> < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html#a460fe5216ff7f997841e588d432be744" > GetSolutionValue< / a > (positive_var))));< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "comment" > // Because our lp solution might be from higher up in the tree, it< / span > < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "comment" > // is possible that value is now outside the domain of positive_var.< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "comment" > // In this case, this function will return an invalid literal.< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > SplitAroundGivenValue< / a > (positive_var, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > , < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   }< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#ac4a25d47a029efe205efbc015f7c7e7c" > 129< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac4a25d47a029efe205efbc015f7c7e7c" > SplitUsingBestSolutionValueInRepository< / a > (< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_shared_solution_repository.html" > SharedSolutionRepository< int64_t> < / a > & solution_repo,< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "keywordflow" > if< / span > (solution_repo.< a class = "code" href = "classoperations__research_1_1sat_1_1_shared_solution_repository.html#a6d2b6f7951b60c786fdbefcbe7c3571f" > NumSolutions< / a > () == 0) {< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   }< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keyword" > const< / span > IntegerVariable positive_var = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5" > PositiveVariable< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > proto_var =< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "classoperations__research_1_1sat_1_1_cp_model_mapping.html" > CpModelMapping< / a > > ()-> GetProtoVariableFromIntegerVariable(< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   positive_var);< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordflow" > if< / span > (proto_var < 0) {< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   }< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "keyword" > const< / span > IntegerValue < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (solution_repo.< a class = "code" href = "classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad3280cfa83b844b02b9194550b18b058" > GetVariableValueInSolution< / a > (< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   proto_var, < span class = "comment" > /*solution_index=*/< / span > 0));< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > SplitAroundGivenValue< / a > (positive_var, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > , < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   }< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "comment" > // TODO(user): the complexity caused by the linear scan in this heuristic and< / span > < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "comment" > // the one below is ok when search_branching is set to SAT_SEARCH because it is< / span > < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "comment" > // not executed often, but otherwise it is done for each search decision,< / span > < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "comment" > // which seems expensive. Improve.< / span > < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b" > 154< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b" > FirstUnassignedVarAtItsMinHeuristic< / a > (< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "keyword" > const< / span > std::vector< IntegerVariable> & vars, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keywordflow" > return< / span > [< span class = "comment" > /*copy*/< / span > vars, integer_trail]() {< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : vars) {< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "comment" > // Note that there is no point trying to fix a currently ignored variable.< / span > < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> IsCurrentlyIgnored(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > decision = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , integer_trail);< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "keywordflow" > if< / span > (decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ac532c4b500b1a85ea22217f2c65a70ed" > IsValid< / a > ()) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (decision);< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   }< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   };< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   }< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   std::function< BooleanOrIntegerLiteral()> < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a4713f8fb7e1ccddece18a374886ad866" > 169< / a > < / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a4713f8fb7e1ccddece18a374886ad866" > UnassignedVarWithLowestMinAtItsMinHeuristic< / a > (< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "keyword" > const< / span > std::vector< IntegerVariable> & vars, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordflow" > return< / span > [< span class = "comment" > /*copy */< / span > vars, integer_trail]() {< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   IntegerVariable candidate = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ;< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   IntegerValue candidate_lb;< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : vars) {< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> IsCurrentlyIgnored(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "keyword" > const< / span > IntegerValue lb = integer_trail-> LowerBound(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "keywordflow" > if< / span > (lb < integer_trail-> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a0ee70f9d17fac333fb71c0ab6423f58c" > UpperBound< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) & & < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   (candidate == < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > || lb < candidate_lb)) {< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   candidate = < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ;< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   candidate_lb = lb;< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   }< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   }< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordflow" > if< / span > (candidate == < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (< a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (candidate, integer_trail));< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   };< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   }< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > 189< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > (< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > heuristics) {< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "keywordflow" > return< / span > [heuristics]() {< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & h : heuristics) {< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > decision = h();< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > if< / span > (decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > HasValue< / a > ()) < span class = "keywordflow" > return< / span > decision;< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   }< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   };< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   }< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#afc647a54403bf1bedce9b09841748c91" > 200< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#afc647a54403bf1bedce9b09841748c91" > SequentialValueSelection< / a > (< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > (IntegerVariable)> > < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   value_selection_heuristics,< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> var_selection_heuristic,< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "keyword" > auto< / span > * encoder = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_encoder.html" > IntegerEncoder< / a > > ();< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "keyword" > auto< / span > * sat_policy = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html" > SatDecisionPolicy< / a > > ();< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > return< / span > [=]() {< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "comment" > // Get the current decision.< / span > < / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > current_decision = var_selection_heuristic();< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keywordflow" > if< / span > (!current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > HasValue< / a > ()) < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "comment" > // When we are in the " stable" phase, we prefer to follow the SAT polarity< / span > < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "comment" > // heuristic.< / span > < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keywordflow" > if< / span > (current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > & & < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   sat_policy-> InStablePhase()) {< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   }< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "comment" > // IntegerLiteral case.< / span > < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > if< / span > (current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > == < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > ) {< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & value_heuristic : value_selection_heuristics) {< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > decision =< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   value_heuristic(current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > .< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214" > var< / a > );< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordflow" > if< / span > (decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ac532c4b500b1a85ea22217f2c65a70ed" > IsValid< / a > ()) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (decision);< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   }< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   }< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "comment" > // Boolean case. We try to decode the Boolean decision to see if it is< / span > < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "comment" > // associated with an integer variable.< / span > < / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > l : encoder-> GetAllIntegerLiterals(< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > ))) {< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> IsCurrentlyIgnored(l.var)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "comment" > // Sequentially try the value selection heuristics.< / span > < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & value_heuristic : value_selection_heuristics) {< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > decision = value_heuristic(l.var);< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "keywordflow" > if< / span > (decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ac532c4b500b1a85ea22217f2c65a70ed" > IsValid< / a > ()) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (decision);< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   }< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   }< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   };< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   }< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > 247< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > LinearizedPartIsLarge< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "keyword" > auto< / span > * lp_constraints =< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint_collection.html" > LinearProgrammingConstraintCollection< / a > > ();< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keywordtype" > int< / span > num_lp_variables = 0;< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html" > LinearProgrammingConstraint< / a > * lp : *lp_constraints) {< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   num_lp_variables += lp-> NumVariables();< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   }< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_integer_variables =< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ()-> NumIntegerVariables().value() / 2;< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordflow" > return< / span > (num_integer_variables < = 2 * num_lp_variables);< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   }< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "comment" > // TODO(user): Experiment more with value selection heuristics.< / span > < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > 260< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > IntegerValueSelectionHeuristic< / a > (< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> var_selection_heuristic,< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keyword" > const< / span > SatParameters& < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > = *(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ());< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > (IntegerVariable)> > < / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   value_selection_heuristics;< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "comment" > // LP based value.< / span > < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "comment" > // Note that we only do this if a big enough percentage of the problem< / span > < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "comment" > // variables appear in the LP relaxation.< / span > < / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespaceoperations__research_1_1sat.html#aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > LinearizedPartIsLarge< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) & & < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   (< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .exploit_integer_lp_solution() ||< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .exploit_all_lp_solution())) {< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   value_selection_heuristics.push_back([< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac0774a1df651b83339b00fee0bde1cd8" > SplitAroundLpValue< / a > (< a class = "code" href = "namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5" > PositiveVariable< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ), < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   });< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   }< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "comment" > // Solution based value.< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .exploit_best_solution()) {< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keyword" > auto< / span > * response_manager = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "classoperations__research_1_1sat_1_1_shared_response_manager.html" > SharedResponseManager< / a > > ();< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keywordflow" > if< / span > (response_manager != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Using best solution value selection heuristic." < / span > ;< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   value_selection_heuristics.push_back(< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   [< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , response_manager](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac4a25d47a029efe205efbc015f7c7e7c" > SplitUsingBestSolutionValueInRepository< / a > (< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , response_manager-> SolutionsRepository(), < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   });< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   }< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   }< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "comment" > // Relaxation Solution based value.< / span > < / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .exploit_relaxation_solution()) {< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "keyword" > auto< / span > * < a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > =< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html" > SharedRelaxationSolutionRepository< / a > > ();< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   value_selection_heuristics.push_back(< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   [< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , < a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > ](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Using relaxation solution value selection heuristic." < / span > ;< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac4a25d47a029efe205efbc015f7c7e7c" > SplitUsingBestSolutionValueInRepository< / a > (< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , *< a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > , < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   });< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   }< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   }< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "comment" > // Objective based value.< / span > < / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .exploit_objective()) {< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   value_selection_heuristics.push_back([< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a71fa416b44768076a0e7dd7777ab433d" > ChooseBestObjectiveValue< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   });< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   }< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#afc647a54403bf1bedce9b09841748c91" > SequentialValueSelection< / a > (value_selection_heuristics,< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   var_selection_heuristic, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   }< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > 317< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * sat_solver = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > > ();< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > * trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > > ();< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html" > SatDecisionPolicy< / a > * decision_policy = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html" > SatDecisionPolicy< / a > > ();< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keywordflow" > return< / span > [sat_solver, trail, decision_policy] {< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > all_assigned = trail-> Index() == sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9d3beb2afe4ae647674b054bf29290e2" > NumVariables< / a > ();< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < span class = "keywordflow" > if< / span > (all_assigned) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > result = decision_policy-> NextBranch();< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8" > Assignment< / a > ().< a class = "code" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815" > LiteralIsAssigned< / a > (result));< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (result.< a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62" > Index< / a > ());< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   };< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   }< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#aefab46ecc02eb059ed853ee0213be7fb" > 330< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#aefab46ecc02eb059ed853ee0213be7fb" > PseudoCost< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < span class = "keyword" > auto< / span > * objective = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "structoperations__research_1_1sat_1_1_objective_definition.html" > ObjectiveDefinition< / a > > ();< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > has_objective =< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   objective != < span class = "keyword" > nullptr< / span > & & objective-> < a class = "code" href = "structoperations__research_1_1sat_1_1_objective_definition.html#aa3c0b31567c91babfffd5f9afc3161dc" > objective_var< / a > != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ;< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   < span class = "keywordflow" > if< / span > (!has_objective) {< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "keywordflow" > return< / span > []() { < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (); };< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   }< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "keyword" > auto< / span > * pseudo_costs = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_pseudo_costs.html" > PseudoCosts< / a > > ();< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < span class = "keywordflow" > return< / span > [pseudo_costs, integer_trail]() {< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < span class = "keyword" > const< / span > IntegerVariable chosen_var = pseudo_costs-> GetBestDecisionVar();< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < span class = "keywordflow" > if< / span > (chosen_var == < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < span class = "comment" > // TODO(user): This will be overidden by the value decision heuristic in< / span > < / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < span class = "comment" > // almost all cases.< / span > < / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > GreaterOrEqualToMiddleValue< / a > (chosen_var, integer_trail));< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   };< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   }< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a744ac200820f62ff97a4da72223cbb54" > 351< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a744ac200820f62ff97a4da72223cbb54" > RandomizeOnRestartHeuristic< / a > (< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * sat_solver = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > > ();< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html" > SatDecisionPolicy< / a > * decision_policy = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html" > SatDecisionPolicy< / a > > ();< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "comment" > // TODO(user): Add other policy and perform more experiments.< / span > < / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> sat_policy =< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > policies{< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   sat_policy, < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > ({< a class = "code" href = "namespaceoperations__research_1_1sat.html#aefab46ecc02eb059ed853ee0213be7fb" > PseudoCost< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ), sat_policy})};< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < span class = "comment" > // The higher weight for the sat policy is because this policy actually< / span > < / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < span class = "comment" > // contains a lot of variation as we randomize the sat parameters.< / span > < / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < span class = "comment" > // TODO(user,user): Do more experiments to find better distribution.< / span > < / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   std::discrete_distribution< int> var_dist{3 < span class = "comment" > /*sat_policy*/< / span > , 1 < span class = "comment" > /*Pseudo cost*/< / span > };< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "comment" > // Value selection.< / span > < / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > (IntegerVariable)> > < / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   value_selection_heuristics;< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   std::vector< int> value_selection_weight;< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   < / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < span class = "comment" > // LP Based value.< / span > < / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   value_selection_heuristics.push_back([< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac0774a1df651b83339b00fee0bde1cd8" > SplitAroundLpValue< / a > (< a class = "code" href = "namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5" > PositiveVariable< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ), < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   });< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   value_selection_weight.push_back(8);< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "comment" > // Solution based value.< / span > < / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "keyword" > auto< / span > * response_manager = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "classoperations__research_1_1sat_1_1_shared_response_manager.html" > SharedResponseManager< / a > > ();< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < span class = "keywordflow" > if< / span > (response_manager != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   value_selection_heuristics.push_back(< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   [< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , response_manager](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac4a25d47a029efe205efbc015f7c7e7c" > SplitUsingBestSolutionValueInRepository< / a > (< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , response_manager-> SolutionsRepository(), < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   });< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   value_selection_weight.push_back(5);< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   }< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "comment" > // Relaxation solution based value.< / span > < / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < span class = "keyword" > auto< / span > * < a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html" > SharedRelaxationSolutionRepository< / a > > ();< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   value_selection_heuristics.push_back(< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   [< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , < a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > ](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac4a25d47a029efe205efbc015f7c7e7c" > SplitUsingBestSolutionValueInRepository< / a > (< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , *< a class = "code" href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > , < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   });< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   value_selection_weight.push_back(3);< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   }< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   < span class = "comment" > // Middle value.< / span > < / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   value_selection_heuristics.push_back([integer_trail](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > GreaterOrEqualToMiddleValue< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , integer_trail);< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   });< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   value_selection_weight.push_back(1);< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "comment" > // Min value.< / span > < / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   value_selection_heuristics.push_back([integer_trail](IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , integer_trail);< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   });< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   value_selection_weight.push_back(1);< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   < / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   < span class = "comment" > // Special case: Don' t change the decision value.< / span > < / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   value_selection_weight.push_back(10);< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < span class = "comment" > // TODO(user): These distribution values are just guessed values. They need< / span > < / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < span class = "comment" > // to be tuned.< / span > < / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   std::discrete_distribution< int> val_dist(value_selection_weight.begin(),< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   value_selection_weight.end());< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "keywordtype" > int< / span > policy_index = 0;< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "keywordtype" > int< / span > val_policy_index = 0;< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "keyword" > auto< / span > * encoder = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_encoder.html" > IntegerEncoder< / a > > ();< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "keywordflow" > return< / span > [=]() < span class = "keyword" > mutable< / span > {< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < span class = "keywordflow" > if< / span > (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > CurrentDecisionLevel< / a > () == 0) {< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   < span class = "keyword" > auto< / span > * random = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_model_random_generator.html" > ModelRandomGenerator< / a > > ();< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#aef1ea7e6296a28c0fa0752328d8cb900" > RandomizeDecisionHeuristic< / a > (random, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ());< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   decision_policy-> ResetDecisionHeuristic();< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "comment" > // Select the variable selection heuristic.< / span > < / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   policy_index = var_dist(*(random));< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < span class = "comment" > // Select the value selection heuristic.< / span > < / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   val_policy_index = val_dist(*(random));< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   }< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   < span class = "comment" > // Get the current decision.< / span > < / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > current_decision = policies[policy_index]();< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "keywordflow" > if< / span > (!current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > HasValue< / a > ()) < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < span class = "comment" > // Special case: Don' t override the decision value.< / span > < / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < span class = "keywordflow" > if< / span > (val_policy_index > = value_selection_heuristics.size()) {< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   }< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   < / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < span class = "keywordflow" > if< / span > (current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > == < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > ) {< / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > new_decision =< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   value_selection_heuristics[val_policy_index](< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > .< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214" > var< / a > );< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < span class = "keywordflow" > if< / span > (new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ac532c4b500b1a85ea22217f2c65a70ed" > IsValid< / a > ()) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (new_decision);< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   }< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   < span class = "comment" > // Decode the decision and get the variable.< / span > < / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > l : encoder-> GetAllIntegerLiterals(< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (current_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > ))) {< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> IsCurrentlyIgnored(l.var)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < span class = "comment" > // Try the selected policy.< / span > < / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > new_decision =< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   value_selection_heuristics[val_policy_index](l.var);< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < span class = "keywordflow" > if< / span > (new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ac532c4b500b1a85ea22217f2c65a70ed" > IsValid< / a > ()) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (new_decision);< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   }< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < span class = "comment" > // Selected policy failed. Revert back to original decision.< / span > < / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < span class = "keywordflow" > return< / span > current_decision;< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   };< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   }< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   < / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   < span class = "comment" > // TODO(user): Avoid the quadratic algorithm!!< / span > < / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a5c07862681284286ab67401730668f38" > 470< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5c07862681284286ab67401730668f38" > FollowHint< / a > (< / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   < span class = "keyword" > const< / span > std::vector< BooleanOrIntegerVariable> & vars,< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   < span class = "keyword" > const< / span > std::vector< IntegerValue> & values, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > * trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > > ();< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < span class = "keywordflow" > return< / span > [=] { < span class = "comment" > // copy< / span > < / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < vars.size(); ++i) {< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   < span class = "keyword" > const< / span > IntegerValue < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = values[i];< / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   < span class = "keywordflow" > if< / span > (vars[i].bool_var != < a class = "code" href = "namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0" > kNoBooleanVariable< / a > ) {< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   < span class = "keywordflow" > if< / span > (trail-> < a class = "code" href = "classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8" > Assignment< / a > ().< a class = "code" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d" > VariableIsAssigned< / a > (vars[i].bool_var)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (vars[i].bool_var, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > == 1).< a class = "code" href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > Index< / a > ());< / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < span class = "keyword" > const< / span > IntegerVariable integer_var = vars[i].int_var;< / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> IsCurrentlyIgnored(integer_var)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> IsFixed(integer_var)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   < / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   < span class = "keyword" > const< / span > IntegerVariable positive_var = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5" > PositiveVariable< / a > (integer_var);< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > decision = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > SplitAroundGivenValue< / a > (< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   positive_var, positive_var != integer_var ? -< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > : < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > , < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   < span class = "keywordflow" > if< / span > (decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ac532c4b500b1a85ea22217f2c65a70ed" > IsValid< / a > ()) < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > (decision);< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   < / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   < span class = "comment" > // If the value is outside the current possible domain, we skip it.< / span > < / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   }< / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   }< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   };< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   }< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a5fcdf1d56a24d096d0c381a9708d4fa9" > 500< / a > < / span >   std::function< bool()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5fcdf1d56a24d096d0c381a9708d4fa9" > RestartEveryKFailures< / a > (< span class = "keywordtype" > int< / span > k, < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * solver) {< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < span class = "keywordtype" > bool< / span > reset_at_next_call = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   < span class = "keywordtype" > int< / span > next_num_failures = 0;< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < span class = "keywordflow" > return< / span > [=]() < span class = "keyword" > mutable< / span > {< / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < span class = "keywordflow" > if< / span > (reset_at_next_call) {< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   next_num_failures = solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f" > num_failures< / a > () + k;< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   reset_at_next_call = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f" > num_failures< / a > () > = next_num_failures) {< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   reset_at_next_call = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   }< / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   < span class = "keywordflow" > return< / span > reset_at_next_call;< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   };< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   }< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > 514< / a > < / span >   std::function< bool()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   < span class = "keyword" > auto< / span > policy = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_restart_policy.html" > RestartPolicy< / a > > ();< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < span class = "keywordflow" > return< / span > [policy]() { < span class = "keywordflow" > return< / span > policy-> < a class = "code" href = "classoperations__research_1_1sat_1_1_restart_policy.html#a9a4dbc2c6849f437d4f08288eeffbfed" > ShouldRestart< / a > (); };< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   }< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   < / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   std::function< BooleanOrIntegerLiteral()> WrapIntegerLiteralHeuristic(< / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   std::function< IntegerLiteral()> f) {< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   < span class = "keywordflow" > return< / span > [f]() { < span class = "keywordflow" > return< / span > BooleanOrIntegerLiteral(f()); };< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   }< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   < / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   < / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e" > 528< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e" > ConfigureSearchHeuristics< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > SearchHeuristics< / a > & heuristics = *< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > SearchHeuristics< / a > > ();< / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > != < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > policy_index< / a > = 0;< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > .clear();< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > .clear();< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   < / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   < span class = "keyword" > const< / span > SatParameters& < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > = *(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ());< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   < span class = "keywordflow" > switch< / span > (< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .search_branching()) {< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   < span class = "keywordflow" > case< / span > SatParameters::AUTOMATIC_SEARCH: {< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> decision_policy;< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .randomize_search()) {< / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   decision_policy = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a744ac200820f62ff97a4da72223cbb54" > RandomizeOnRestartHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   decision_policy = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   }< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   decision_policy =< / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > ({decision_policy, heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > });< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   decision_policy = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > IntegerValueSelectionHeuristic< / a > (decision_policy, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = {decision_policy};< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )};< / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   }< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   < span class = "keywordflow" > case< / span > SatParameters::FIXED_SEARCH: {< / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   < span class = "comment" > // Not all Boolean might appear in fixed_search(), so once there is no< / span > < / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   < span class = "comment" > // decision left, we fix all Booleans that are still undecided.< / span > < / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > (< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   {heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > , < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )})};< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   < / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .randomize_search()) {< / div >
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )};< / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   }< / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   < / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   < span class = "comment" > // TODO(user): We might want to restart if external info is available.< / span > < / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   < span class = "comment" > // Code a custom restart for this?< / span > < / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   < span class = "keyword" > auto< / span > no_restart = []() { < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ; };< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {no_restart};< / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   }< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   < span class = "keywordflow" > case< / span > SatParameters::HINT_SEARCH: {< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a3ef187fb1a44e4df4e66c2a59304000e" > hint_search< / a > != < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = {< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > ({heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a3ef187fb1a44e4df4e66c2a59304000e" > hint_search< / a > , < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ),< / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > })};< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   < span class = "keyword" > auto< / span > no_restart = []() { < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ; };< / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {no_restart};< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   }< / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   < span class = "keywordflow" > case< / span > SatParameters::PORTFOLIO_SEARCH: {< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   < span class = "comment" > // TODO(user): This is not used in any of our default config. remove?< / span > < / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   < span class = "comment" > // It make also no sense to choose a value in the LP heuristic and then< / span > < / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < span class = "comment" > // override it with IntegerValueSelectionHeuristic(), clean that up.< / span > < / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > base_heuristics;< / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   base_heuristics.push_back(heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > );< / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > :< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   *(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint_collection.html" > LinearProgrammingConstraintCollection< / a > > ())) {< / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   base_heuristics.push_back(WrapIntegerLiteralHeuristic(< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> HeuristicLpReducedCostBinary(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )));< / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   base_heuristics.push_back(WrapIntegerLiteralHeuristic(< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> HeuristicLpMostInfeasibleBinary(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )));< / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   }< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7e0c6e9c16089229f5ae7a34ec631604" > CompleteHeuristics< / a > (< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   base_heuristics, < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > ({< a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ),< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > }));< / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > & ref : heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > ) {< / div >
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   ref = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > IntegerValueSelectionHeuristic< / a > (ref, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   }< / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > .assign(heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > .size(),< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ));< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   }< / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   < span class = "keywordflow" > case< / span > SatParameters::LP_SEARCH: {< / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > lp_heuristics;< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > :< / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   *(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_linear_programming_constraint_collection.html" > LinearProgrammingConstraintCollection< / a > > ())) {< / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   lp_heuristics.push_back(WrapIntegerLiteralHeuristic(< / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> HeuristicLpReducedCostAverageBranching()));< / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   }< / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   < span class = "keywordflow" > if< / span > (lp_heuristics.empty()) { < span class = "comment" > // Revert to fixed search.< / span > < / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > (< / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   {heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > , < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )})},< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )};< / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   }< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7e0c6e9c16089229f5ae7a34ec631604" > CompleteHeuristics< / a > (< / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   lp_heuristics, < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > ({< a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ),< / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > }));< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > .assign(heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > .size(),< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ));< / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   }< / div >
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < span class = "keywordflow" > case< / span > SatParameters::PSEUDO_COST_SEARCH: {< / div >
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> search =< / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > ({< a class = "code" href = "namespaceoperations__research_1_1sat.html#aefab46ecc02eb059ed853ee0213be7fb" > PseudoCost< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ), < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ),< / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > });< / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = {< / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > IntegerValueSelectionHeuristic< / a > (search, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )};< / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )};< / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   }< / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   < span class = "keywordflow" > case< / span > SatParameters::PORTFOLIO_WITH_QUICK_RESTART_SEARCH: {< / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> search = < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > (< / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   {< a class = "code" href = "namespaceoperations__research_1_1sat.html#a744ac200820f62ff97a4da72223cbb54" > RandomizeOnRestartHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ), heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > });< / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = {search};< / div >
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {< / div >
< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5fcdf1d56a24d096d0c381a9708d4fa9" > RestartEveryKFailures< / a > (10, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > > ())};< / div >
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   }< / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > 637< / span >   }< / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   }< / div >
< div class = "line" > < a name = "l00639" > < / a > < span class = "lineno" > 639< / span >   < / div >
< div class = "line" > < a name = "l00640" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a7e0c6e9c16089229f5ae7a34ec631604" > 640< / a > < / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7e0c6e9c16089229f5ae7a34ec631604" > CompleteHeuristics< / a > (< / div >
< div class = "line" > < a name = "l00641" > < / a > < span class = "lineno" > 641< / span >   < span class = "keyword" > const< / span > std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > & < / div >
< div class = "line" > < a name = "l00642" > < / a > < span class = "lineno" > 642< / span >   incomplete_heuristics,< / div >
< div class = "line" > < a name = "l00643" > < / a > < span class = "lineno" > 643< / span >   < span class = "keyword" > const< / span > std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> & completion_heuristic) {< / div >
< div class = "line" > < a name = "l00644" > < / a > < span class = "lineno" > 644< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > complete_heuristics;< / div >
< div class = "line" > < a name = "l00645" > < / a > < span class = "lineno" > 645< / span >   complete_heuristics.reserve(incomplete_heuristics.size());< / div >
< div class = "line" > < a name = "l00646" > < / a > < span class = "lineno" > 646< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & incomplete : incomplete_heuristics) {< / div >
< div class = "line" > < a name = "l00647" > < / a > < span class = "lineno" > 647< / span >   complete_heuristics.push_back(< / div >
< div class = "line" > < a name = "l00648" > < / a > < span class = "lineno" > 648< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > ({incomplete, completion_heuristic}));< / div >
< div class = "line" > < a name = "l00649" > < / a > < span class = "lineno" > 649< / span >   }< / div >
< div class = "line" > < a name = "l00650" > < / a > < span class = "lineno" > 650< / span >   < span class = "keywordflow" > return< / span > complete_heuristics;< / div >
< div class = "line" > < a name = "l00651" > < / a > < span class = "lineno" > 651< / span >   }< / div >
< div class = "line" > < a name = "l00652" > < / a > < span class = "lineno" > 652< / span >   < / div >
< div class = "line" > < a name = "l00653" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a8bea9a6a0de60c8fdab99ad7dfdf8498" > 653< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8bea9a6a0de60c8fdab99ad7dfdf8498" > SolveIntegerProblem< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00654" > < / a > < span class = "lineno" > 654< / span >   < a class = "code" href = "classoperations__research_1_1_time_limit.html" > TimeLimit< / a > * < a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1_time_limit.html" > TimeLimit< / a > > ();< / div >
< div class = "line" > < a name = "l00655" > < / a > < span class = "lineno" > 655< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > -> LimitReached()) < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed" > SatSolver::LIMIT_REACHED< / a > ;< / div >
< div class = "line" > < a name = "l00656" > < / a > < span class = "lineno" > 656< / span >   < / div >
< div class = "line" > < a name = "l00657" > < / a > < span class = "lineno" > 657< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > SearchHeuristics< / a > & heuristics = *< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > SearchHeuristics< / a > > ();< / div >
< div class = "line" > < a name = "l00658" > < / a > < span class = "lineno" > 658< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_policies = heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > .size();< / div >
< div class = "line" > < a name = "l00659" > < / a > < span class = "lineno" > 659< / span >   < a class = "code" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (num_policies, 0);< / div >
< div class = "line" > < a name = "l00660" > < / a > < span class = "lineno" > 660< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (num_policies, heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > .size());< / div >
< div class = "line" > < a name = "l00661" > < / a > < span class = "lineno" > 661< / span >   < / div >
< div class = "line" > < a name = "l00662" > < / a > < span class = "lineno" > 662< / span >   < span class = "comment" > // This is needed for recording the pseudo-costs.< / span > < / div >
< div class = "line" > < a name = "l00663" > < / a > < span class = "lineno" > 663< / span >   IntegerVariable objective_var = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ;< / div >
< div class = "line" > < a name = "l00664" > < / a > < span class = "lineno" > 664< / span >   {< / div >
< div class = "line" > < a name = "l00665" > < / a > < span class = "lineno" > 665< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_objective_definition.html" > ObjectiveDefinition< / a > * objective = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "structoperations__research_1_1sat_1_1_objective_definition.html" > ObjectiveDefinition< / a > > ();< / div >
< div class = "line" > < a name = "l00666" > < / a > < span class = "lineno" > 666< / span >   < span class = "keywordflow" > if< / span > (objective != < span class = "keyword" > nullptr< / span > ) objective_var = objective-> < a class = "code" href = "structoperations__research_1_1sat_1_1_objective_definition.html#aa3c0b31567c91babfffd5f9afc3161dc" > objective_var< / a > ;< / div >
< div class = "line" > < a name = "l00667" > < / a > < span class = "lineno" > 667< / span >   }< / div >
< div class = "line" > < a name = "l00668" > < / a > < span class = "lineno" > 668< / span >   < / div >
< div class = "line" > < a name = "l00669" > < / a > < span class = "lineno" > 669< / span >   < span class = "comment" > // Note that it is important to do the level-zero propagation if it wasn' t< / span > < / div >
< div class = "line" > < a name = "l00670" > < / a > < span class = "lineno" > 670< / span >   < span class = "comment" > // already done because EnqueueDecisionAndBackjumpOnConflict() assumes that< / span > < / div >
< div class = "line" > < a name = "l00671" > < / a > < span class = "lineno" > 671< / span >   < span class = "comment" > // the solver is in a " propagated" state.< / span > < / div >
< div class = "line" > < a name = "l00672" > < / a > < span class = "lineno" > 672< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * < span class = "keyword" > const< / span > sat_solver = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > > ();< / div >
< div class = "line" > < a name = "l00673" > < / a > < span class = "lineno" > 673< / span >   < / div >
< div class = "line" > < a name = "l00674" > < / a > < span class = "lineno" > 674< / span >   < span class = "comment" > // TODO(user): We have the issue that at level zero. calling the propagation< / span > < / div >
< div class = "line" > < a name = "l00675" > < / a > < span class = "lineno" > 675< / span >   < span class = "comment" > // loop more than once can propagate more! This is because we call the LP< / span > < / div >
< div class = "line" > < a name = "l00676" > < / a > < span class = "lineno" > 676< / span >   < span class = "comment" > // again and again on each level zero propagation. This is causing some< / span > < / div >
< div class = "line" > < a name = "l00677" > < / a > < span class = "lineno" > 677< / span >   < span class = "comment" > // CHECKs() to fail in multithread (rarely) because when we associate new< / span > < / div >
< div class = "line" > < a name = "l00678" > < / a > < span class = "lineno" > 678< / span >   < span class = "comment" > // literals to integer ones, Propagate() is indirectly called. Not sure yet< / span > < / div >
< div class = "line" > < a name = "l00679" > < / a > < span class = "lineno" > 679< / span >   < span class = "comment" > // how to fix.< / span > < / div >
< div class = "line" > < a name = "l00680" > < / a > < span class = "lineno" > 680< / span >   < span class = "keywordflow" > if< / span > (!sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a607d97ccada862073f297bc2d495124d" > FinishPropagation< / a > ()) < span class = "keywordflow" > return< / span > sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > UnsatStatus< / a > ();< / div >
< div class = "line" > < a name = "l00681" > < / a > < span class = "lineno" > 681< / span >   < / div >
< div class = "line" > < a name = "l00682" > < / a > < span class = "lineno" > 682< / span >   < span class = "comment" > // Create and initialize pseudo costs.< / span > < / div >
< div class = "line" > < a name = "l00683" > < / a > < span class = "lineno" > 683< / span >   < span class = "comment" > // TODO(user): If this ever shows up in a cpu profile, find a way to not< / span > < / div >
< div class = "line" > < a name = "l00684" > < / a > < span class = "lineno" > 684< / span >   < span class = "comment" > // execute the code when pseudo costs are not needed.< / span > < / div >
< div class = "line" > < a name = "l00685" > < / a > < span class = "lineno" > 685< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_pseudo_costs.html" > PseudoCosts< / a > * pseudo_costs = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_pseudo_costs.html" > PseudoCosts< / a > > ();< / div >
< div class = "line" > < a name = "l00686" > < / a > < span class = "lineno" > 686< / span >   < / div >
< div class = "line" > < a name = "l00687" > < / a > < span class = "lineno" > 687< / span >   < span class = "keyword" > auto< / span > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00688" > < / a > < span class = "lineno" > 688< / span >   < span class = "keyword" > auto< / span > * encoder = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_encoder.html" > IntegerEncoder< / a > > ();< / div >
< div class = "line" > < a name = "l00689" > < / a > < span class = "lineno" > 689< / span >   < span class = "keyword" > auto< / span > * implied_bounds = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_implied_bounds.html" > ImpliedBounds< / a > > ();< / div >
< div class = "line" > < a name = "l00690" > < / a > < span class = "lineno" > 690< / span >   < span class = "keyword" > auto< / span > * prober = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_prober.html" > Prober< / a > > ();< / div >
< div class = "line" > < a name = "l00691" > < / a > < span class = "lineno" > 691< / span >   < / div >
< div class = "line" > < a name = "l00692" > < / a > < span class = "lineno" > 692< / span >   < span class = "keyword" > const< / span > SatParameters& sat_parameters = *(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ());< / div >
< div class = "line" > < a name = "l00693" > < / a > < span class = "lineno" > 693< / span >   < / div >
< div class = "line" > < a name = "l00694" > < / a > < span class = "lineno" > 694< / span >   < span class = "comment" > // Main search loop.< / span > < / div >
< div class = "line" > < a name = "l00695" > < / a > < span class = "lineno" > 695< / span >   < span class = "keyword" > const< / span > int64_t old_num_conflicts = sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f" > num_failures< / a > ();< / div >
< div class = "line" > < a name = "l00696" > < / a > < span class = "lineno" > 696< / span >   < span class = "keyword" > const< / span > int64_t conflict_limit = sat_parameters.max_number_of_conflicts();< / div >
< div class = "line" > < a name = "l00697" > < / a > < span class = "lineno" > 697< / span >   int64_t num_decisions_since_last_lp_record_ = 0;< / div >
< div class = "line" > < a name = "l00698" > < / a > < span class = "lineno" > 698< / span >   int64_t num_decisions_without_probing = 0;< / div >
< div class = "line" > < a name = "l00699" > < / a > < span class = "lineno" > 699< / span >   < span class = "keywordflow" > while< / span > (!< a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > -> LimitReached() & & < / div >
< div class = "line" > < a name = "l00700" > < / a > < span class = "lineno" > 700< / span >   (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f" > num_failures< / a > () - old_num_conflicts < conflict_limit)) {< / div >
< div class = "line" > < a name = "l00701" > < / a > < span class = "lineno" > 701< / span >   < span class = "comment" > // If needed, restart and switch decision_policy.< / span > < / div >
< div class = "line" > < a name = "l00702" > < / a > < span class = "lineno" > 702< / span >   < span class = "keywordflow" > if< / span > (heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > [heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > policy_index< / a > ]()) {< / div >
< div class = "line" > < a name = "l00703" > < / a > < span class = "lineno" > 703< / span >   < span class = "keywordflow" > if< / span > (!sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ac714aeb75f0f6dd87e52e5d1a0d6edc7" > RestoreSolverToAssumptionLevel< / a > ()) {< / div >
< div class = "line" > < a name = "l00704" > < / a > < span class = "lineno" > 704< / span >   < span class = "keywordflow" > return< / span > sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > UnsatStatus< / a > ();< / div >
< div class = "line" > < a name = "l00705" > < / a > < span class = "lineno" > 705< / span >   }< / div >
< div class = "line" > < a name = "l00706" > < / a > < span class = "lineno" > 706< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > policy_index< / a > = (heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > policy_index< / a > + 1) % num_policies;< / div >
< div class = "line" > < a name = "l00707" > < / a > < span class = "lineno" > 707< / span >   }< / div >
< div class = "line" > < a name = "l00708" > < / a > < span class = "lineno" > 708< / span >   < / div >
< div class = "line" > < a name = "l00709" > < / a > < span class = "lineno" > 709< / span >   < span class = "comment" > // If we pushed root level deductions, we restart to incorporate them.< / span > < / div >
< div class = "line" > < a name = "l00710" > < / a > < span class = "lineno" > 710< / span >   < span class = "comment" > // Note that in the present of assumptions, it is important to return to< / span > < / div >
< div class = "line" > < a name = "l00711" > < / a > < span class = "lineno" > 711< / span >   < span class = "comment" > // the level zero first ! otherwise, the new deductions will not be< / span > < / div >
< div class = "line" > < a name = "l00712" > < / a > < span class = "lineno" > 712< / span >   < span class = "comment" > // incorporated and the solver will loop forever.< / span > < / div >
< div class = "line" > < a name = "l00713" > < / a > < span class = "lineno" > 713< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> HasPendingRootLevelDeduction()) {< / div >
< div class = "line" > < a name = "l00714" > < / a > < span class = "lineno" > 714< / span >   sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ac035378cea0ed7b0978105547402faa8" > Backtrack< / a > (0);< / div >
< div class = "line" > < a name = "l00715" > < / a > < span class = "lineno" > 715< / span >   < span class = "keywordflow" > if< / span > (!sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ac714aeb75f0f6dd87e52e5d1a0d6edc7" > RestoreSolverToAssumptionLevel< / a > ()) {< / div >
< div class = "line" > < a name = "l00716" > < / a > < span class = "lineno" > 716< / span >   < span class = "keywordflow" > return< / span > sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > UnsatStatus< / a > ();< / div >
< div class = "line" > < a name = "l00717" > < / a > < span class = "lineno" > 717< / span >   }< / div >
< div class = "line" > < a name = "l00718" > < / a > < span class = "lineno" > 718< / span >   }< / div >
< div class = "line" > < a name = "l00719" > < / a > < span class = "lineno" > 719< / span >   < / div >
< div class = "line" > < a name = "l00720" > < / a > < span class = "lineno" > 720< / span >   < span class = "keywordflow" > if< / span > (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > CurrentDecisionLevel< / a > () == 0) {< / div >
< div class = "line" > < a name = "l00721" > < / a > < span class = "lineno" > 721< / span >   < span class = "keywordflow" > if< / span > (!implied_bounds-> EnqueueNewDeductions()) {< / div >
< div class = "line" > < a name = "l00722" > < / a > < span class = "lineno" > 722< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00723" > < / a > < span class = "lineno" > 723< / span >   }< / div >
< div class = "line" > < a name = "l00724" > < / a > < span class = "lineno" > 724< / span >   < / div >
< div class = "line" > < a name = "l00725" > < / a > < span class = "lineno" > 725< / span >   < span class = "keyword" > auto< / span > * level_zero_callbacks =< / div >
< div class = "line" > < a name = "l00726" > < / a > < span class = "lineno" > 726< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html" > LevelZeroCallbackHelper< / a > > ();< / div >
< div class = "line" > < a name = "l00727" > < / a > < span class = "lineno" > 727< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & cb : level_zero_callbacks-> callbacks) {< / div >
< div class = "line" > < a name = "l00728" > < / a > < span class = "lineno" > 728< / span >   < span class = "keywordflow" > if< / span > (!cb()) {< / div >
< div class = "line" > < a name = "l00729" > < / a > < span class = "lineno" > 729< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00730" > < / a > < span class = "lineno" > 730< / span >   }< / div >
< div class = "line" > < a name = "l00731" > < / a > < span class = "lineno" > 731< / span >   }< / div >
< div class = "line" > < a name = "l00732" > < / a > < span class = "lineno" > 732< / span >   < / div >
< div class = "line" > < a name = "l00733" > < / a > < span class = "lineno" > 733< / span >   < span class = "keywordflow" > if< / span > (sat_parameters.use_sat_inprocessing() & & < / div >
< div class = "line" > < a name = "l00734" > < / a > < span class = "lineno" > 734< / span >   !< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_inprocessing.html" > Inprocessing< / a > > ()-> InprocessingRound()) {< / div >
< div class = "line" > < a name = "l00735" > < / a > < span class = "lineno" > 735< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00736" > < / a > < span class = "lineno" > 736< / span >   }< / div >
< div class = "line" > < a name = "l00737" > < / a > < span class = "lineno" > 737< / span >   }< / div >
< div class = "line" > < a name = "l00738" > < / a > < span class = "lineno" > 738< / span >   < / div >
< div class = "line" > < a name = "l00739" > < / a > < span class = "lineno" > 739< / span >   LiteralIndex decision = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > ;< / div >
< div class = "line" > < a name = "l00740" > < / a > < span class = "lineno" > 740< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00741" > < / a > < span class = "lineno" > 741< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > new_decision;< / div >
< div class = "line" > < a name = "l00742" > < / a > < span class = "lineno" > 742< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> InPropagationLoop()) {< / div >
< div class = "line" > < a name = "l00743" > < / a > < span class = "lineno" > 743< / span >   < span class = "keyword" > const< / span > IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > =< / div >
< div class = "line" > < a name = "l00744" > < / a > < span class = "lineno" > 744< / span >   integer_trail-> NextVariableToBranchOnInPropagationLoop();< / div >
< div class = "line" > < a name = "l00745" > < / a > < span class = "lineno" > 745< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ) {< / div >
< div class = "line" > < a name = "l00746" > < / a > < span class = "lineno" > 746< / span >   new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > =< / div >
< div class = "line" > < a name = "l00747" > < / a > < span class = "lineno" > 747< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > GreaterOrEqualToMiddleValue< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , integer_trail);< / div >
< div class = "line" > < a name = "l00748" > < / a > < span class = "lineno" > 748< / span >   }< / div >
< div class = "line" > < a name = "l00749" > < / a > < span class = "lineno" > 749< / span >   }< / div >
< div class = "line" > < a name = "l00750" > < / a > < span class = "lineno" > 750< / span >   < span class = "keywordflow" > if< / span > (!new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > HasValue< / a > ()) {< / div >
< div class = "line" > < a name = "l00751" > < / a > < span class = "lineno" > 751< / span >   new_decision = heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > [heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > policy_index< / a > ]();< / div >
< div class = "line" > < a name = "l00752" > < / a > < span class = "lineno" > 752< / span >   }< / div >
< div class = "line" > < a name = "l00753" > < / a > < span class = "lineno" > 753< / span >   < span class = "keywordflow" > if< / span > (!new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > HasValue< / a > () & & < / div >
< div class = "line" > < a name = "l00754" > < / a > < span class = "lineno" > 754< / span >   integer_trail-> CurrentBranchHadAnIncompletePropagation()) {< / div >
< div class = "line" > < a name = "l00755" > < / a > < span class = "lineno" > 755< / span >   < span class = "keyword" > const< / span > IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = integer_trail-> FirstUnassignedVariable();< / div >
< div class = "line" > < a name = "l00756" > < / a > < span class = "lineno" > 756< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ) {< / div >
< div class = "line" > < a name = "l00757" > < / a > < span class = "lineno" > 757< / span >   new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , integer_trail);< / div >
< div class = "line" > < a name = "l00758" > < / a > < span class = "lineno" > 758< / span >   }< / div >
< div class = "line" > < a name = "l00759" > < / a > < span class = "lineno" > 759< / span >   }< / div >
< div class = "line" > < a name = "l00760" > < / a > < span class = "lineno" > 760< / span >   < span class = "keywordflow" > if< / span > (!new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > HasValue< / a > ()) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00761" > < / a > < span class = "lineno" > 761< / span >   < / div >
< div class = "line" > < a name = "l00762" > < / a > < span class = "lineno" > 762< / span >   < span class = "comment" > // Convert integer decision to literal one if needed.< / span > < / div >
< div class = "line" > < a name = "l00763" > < / a > < span class = "lineno" > 763< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00764" > < / a > < span class = "lineno" > 764< / span >   < span class = "comment" > // TODO(user): Ideally it would be cool to delay the creation even more< / span > < / div >
< div class = "line" > < a name = "l00765" > < / a > < span class = "lineno" > 765< / span >   < span class = "comment" > // until we have a conflict with these decisions, but it is currrently< / span > < / div >
< div class = "line" > < a name = "l00766" > < / a > < span class = "lineno" > 766< / span >   < span class = "comment" > // hard to do so.< / span > < / div >
< div class = "line" > < a name = "l00767" > < / a > < span class = "lineno" > 767< / span >   < span class = "keywordflow" > if< / span > (new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > ) {< / div >
< div class = "line" > < a name = "l00768" > < / a > < span class = "lineno" > 768< / span >   decision = new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > ;< / div >
< div class = "line" > < a name = "l00769" > < / a > < span class = "lineno" > 769< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00770" > < / a > < span class = "lineno" > 770< / span >   decision =< / div >
< div class = "line" > < a name = "l00771" > < / a > < span class = "lineno" > 771< / span >   encoder-> GetOrCreateAssociatedLiteral(new_decision.< a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > )< / div >
< div class = "line" > < a name = "l00772" > < / a > < span class = "lineno" > 772< / span >   .< a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html#a8ef12397d1682615bc3108c397734179" > Index< / a > ();< / div >
< div class = "line" > < a name = "l00773" > < / a > < span class = "lineno" > 773< / span >   }< / div >
< div class = "line" > < a name = "l00774" > < / a > < span class = "lineno" > 774< / span >   < / div >
< div class = "line" > < a name = "l00775" > < / a > < span class = "lineno" > 775< / span >   < span class = "keywordflow" > if< / span > (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8" > Assignment< / a > ().< a class = "code" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815" > LiteralIsAssigned< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (decision))) {< / div >
< div class = "line" > < a name = "l00776" > < / a > < span class = "lineno" > 776< / span >   < span class = "comment" > // TODO(user): It would be nicer if this can never happen. For now, it< / span > < / div >
< div class = "line" > < a name = "l00777" > < / a > < span class = "lineno" > 777< / span >   < span class = "comment" > // does because of the Propagate() not reaching the fixed point as< / span > < / div >
< div class = "line" > < a name = "l00778" > < / a > < span class = "lineno" > 778< / span >   < span class = "comment" > // mentionned in a TODO above. As a work-around, we display a message< / span > < / div >
< div class = "line" > < a name = "l00779" > < / a > < span class = "lineno" > 779< / span >   < span class = "comment" > // but do not crash and recall the decision heuristic.< / span > < / div >
< div class = "line" > < a name = "l00780" > < / a > < span class = "lineno" > 780< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " Trying to take a decision that is already assigned!" < / span > < / div >
< div class = "line" > < a name = "l00781" > < / a > < span class = "lineno" > 781< / span >   < < < span class = "stringliteral" > " Fix this. Continuing for now..." < / span > ;< / div >
< div class = "line" > < a name = "l00782" > < / a > < span class = "lineno" > 782< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00783" > < / a > < span class = "lineno" > 783< / span >   }< / div >
< div class = "line" > < a name = "l00784" > < / a > < span class = "lineno" > 784< / span >   < / div >
< div class = "line" > < a name = "l00785" > < / a > < span class = "lineno" > 785< / span >   < span class = "comment" > // Probing.< / span > < / div >
< div class = "line" > < a name = "l00786" > < / a > < span class = "lineno" > 786< / span >   < span class = "keywordflow" > if< / span > (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > CurrentDecisionLevel< / a > () == 0 & & < / div >
< div class = "line" > < a name = "l00787" > < / a > < span class = "lineno" > 787< / span >   sat_parameters.probing_period_at_root() > 0 & & < / div >
< div class = "line" > < a name = "l00788" > < / a > < span class = "lineno" > 788< / span >   ++num_decisions_without_probing > =< / div >
< div class = "line" > < a name = "l00789" > < / a > < span class = "lineno" > 789< / span >   sat_parameters.probing_period_at_root()) {< / div >
< div class = "line" > < a name = "l00790" > < / a > < span class = "lineno" > 790< / span >   num_decisions_without_probing = 0;< / div >
< div class = "line" > < a name = "l00791" > < / a > < span class = "lineno" > 791< / span >   < span class = "comment" > // TODO(user,user): Be smarter about what variables we probe, we can< / span > < / div >
< div class = "line" > < a name = "l00792" > < / a > < span class = "lineno" > 792< / span >   < span class = "comment" > // also do more than one.< / span > < / div >
< div class = "line" > < a name = "l00793" > < / a > < span class = "lineno" > 793< / span >   < span class = "keywordflow" > if< / span > (!prober-> ProbeOneVariable(< a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (decision).Variable())) {< / div >
< div class = "line" > < a name = "l00794" > < / a > < span class = "lineno" > 794< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00795" > < / a > < span class = "lineno" > 795< / span >   }< / div >
< div class = "line" > < a name = "l00796" > < / a > < span class = "lineno" > 796< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > CurrentDecisionLevel< / a > (), 0);< / div >
< div class = "line" > < a name = "l00797" > < / a > < span class = "lineno" > 797< / span >   < / div >
< div class = "line" > < a name = "l00798" > < / a > < span class = "lineno" > 798< / span >   < span class = "comment" > // We need to check after the probing that the literal is not fixed,< / span > < / div >
< div class = "line" > < a name = "l00799" > < / a > < span class = "lineno" > 799< / span >   < span class = "comment" > // otherwise we just go to the next decision.< / span > < / div >
< div class = "line" > < a name = "l00800" > < / a > < span class = "lineno" > 800< / span >   < span class = "keywordflow" > if< / span > (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8" > Assignment< / a > ().< a class = "code" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815" > LiteralIsAssigned< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (decision))) {< / div >
< div class = "line" > < a name = "l00801" > < / a > < span class = "lineno" > 801< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00802" > < / a > < span class = "lineno" > 802< / span >   }< / div >
< div class = "line" > < a name = "l00803" > < / a > < span class = "lineno" > 803< / span >   }< / div >
< div class = "line" > < a name = "l00804" > < / a > < span class = "lineno" > 804< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00805" > < / a > < span class = "lineno" > 805< / span >   }< / div >
< div class = "line" > < a name = "l00806" > < / a > < span class = "lineno" > 806< / span >   < / div >
< div class = "line" > < a name = "l00807" > < / a > < span class = "lineno" > 807< / span >   < span class = "comment" > // No decision means that we reached a leave of the search tree and that< / span > < / div >
< div class = "line" > < a name = "l00808" > < / a > < span class = "lineno" > 808< / span >   < span class = "comment" > // we have a feasible solution.< / span > < / div >
< div class = "line" > < a name = "l00809" > < / a > < span class = "lineno" > 809< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00810" > < / a > < span class = "lineno" > 810< / span >   < span class = "comment" > // Tricky: If the time limit is reached during the final propagation when< / span > < / div >
< div class = "line" > < a name = "l00811" > < / a > < span class = "lineno" > 811< / span >   < span class = "comment" > // all variables are fixed, there is no guarantee that the propagation< / span > < / div >
< div class = "line" > < a name = "l00812" > < / a > < span class = "lineno" > 812< / span >   < span class = "comment" > // responsible for testing the validity of the solution was run to< / span > < / div >
< div class = "line" > < a name = "l00813" > < / a > < span class = "lineno" > 813< / span >   < span class = "comment" > // completion. So we cannot report a feasible solution.< / span > < / div >
< div class = "line" > < a name = "l00814" > < / a > < span class = "lineno" > 814< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > -> LimitReached()) < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed" > SatSolver::LIMIT_REACHED< / a > ;< / div >
< div class = "line" > < a name = "l00815" > < / a > < span class = "lineno" > 815< / span >   < span class = "keywordflow" > if< / span > (decision == < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > ) {< / div >
< div class = "line" > < a name = "l00816" > < / a > < span class = "lineno" > 816< / span >   < span class = "comment" > // Save the current polarity of all Booleans in the solution. It will be< / span > < / div >
< div class = "line" > < a name = "l00817" > < / a > < span class = "lineno" > 817< / span >   < span class = "comment" > // followed for the next SAT decisions. This is known to be a good policy< / span > < / div >
< div class = "line" > < a name = "l00818" > < / a > < span class = "lineno" > 818< / span >   < span class = "comment" > // for optimization problem. Note that for decision problem we don' t care< / span > < / div >
< div class = "line" > < a name = "l00819" > < / a > < span class = "lineno" > 819< / span >   < span class = "comment" > // since we are just done as soon as a solution is found.< / span > < / div >
< div class = "line" > < a name = "l00820" > < / a > < span class = "lineno" > 820< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00821" > < / a > < span class = "lineno" > 821< / span >   < span class = "comment" > // This idea is kind of " well known" , see for instance the " LinSBPS" < / span > < / div >
< div class = "line" > < a name = "l00822" > < / a > < span class = "lineno" > 822< / span >   < span class = "comment" > // submission to the maxSAT 2018 competition by Emir Demirovic and Peter< / span > < / div >
< div class = "line" > < a name = "l00823" > < / a > < span class = "lineno" > 823< / span >   < span class = "comment" > // Stuckey where they show it is a good idea and provide more references.< / span > < / div >
< div class = "line" > < a name = "l00824" > < / a > < span class = "lineno" > 824< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ()-> use_optimization_hints()) {< / div >
< div class = "line" > < a name = "l00825" > < / a > < span class = "lineno" > 825< / span >   < span class = "keyword" > auto< / span > * sat_decision = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html" > SatDecisionPolicy< / a > > ();< / div >
< div class = "line" > < a name = "l00826" > < / a > < span class = "lineno" > 826< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & trail = *< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > > ();< / div >
< div class = "line" > < a name = "l00827" > < / a > < span class = "lineno" > 827< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < trail.Index(); ++i) {< / div >
< div class = "line" > < a name = "l00828" > < / a > < span class = "lineno" > 828< / span >   sat_decision-> SetAssignmentPreference(trail[i], 0.0);< / div >
< div class = "line" > < a name = "l00829" > < / a > < span class = "lineno" > 829< / span >   }< / div >
< div class = "line" > < a name = "l00830" > < / a > < span class = "lineno" > 830< / span >   }< / div >
< div class = "line" > < a name = "l00831" > < / a > < span class = "lineno" > 831< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1" > SatSolver::FEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00832" > < / a > < span class = "lineno" > 832< / span >   }< / div >
< div class = "line" > < a name = "l00833" > < / a > < span class = "lineno" > 833< / span >   < / div >
< div class = "line" > < a name = "l00834" > < / a > < span class = "lineno" > 834< / span >   < span class = "comment" > // Record the changelist and objective bounds for updating pseudo costs.< / span > < / div >
< div class = "line" > < a name = "l00835" > < / a > < span class = "lineno" > 835< / span >   < span class = "keyword" > const< / span > std::vector< PseudoCosts::VariableBoundChange> bound_changes =< / div >
< div class = "line" > < a name = "l00836" > < / a > < span class = "lineno" > 836< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a98bb3bb08c5a9f5c119cf0973bbe5cf8" > GetBoundChanges< / a > (decision, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00837" > < / a > < span class = "lineno" > 837< / span >   IntegerValue old_obj_lb = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81" > kMinIntegerValue< / a > ;< / div >
< div class = "line" > < a name = "l00838" > < / a > < span class = "lineno" > 838< / span >   IntegerValue old_obj_ub = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8" > kMaxIntegerValue< / a > ;< / div >
< div class = "line" > < a name = "l00839" > < / a > < span class = "lineno" > 839< / span >   < span class = "keywordflow" > if< / span > (objective_var != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ) {< / div >
< div class = "line" > < a name = "l00840" > < / a > < span class = "lineno" > 840< / span >   old_obj_lb = integer_trail-> LowerBound(objective_var);< / div >
< div class = "line" > < a name = "l00841" > < / a > < span class = "lineno" > 841< / span >   old_obj_ub = integer_trail-> UpperBound(objective_var);< / div >
< div class = "line" > < a name = "l00842" > < / a > < span class = "lineno" > 842< / span >   }< / div >
< div class = "line" > < a name = "l00843" > < / a > < span class = "lineno" > 843< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > old_level = sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > CurrentDecisionLevel< / a > ();< / div >
< div class = "line" > < a name = "l00844" > < / a > < span class = "lineno" > 844< / span >   < / div >
< div class = "line" > < a name = "l00845" > < / a > < span class = "lineno" > 845< / span >   < span class = "comment" > // TODO(user): on some problems, this function can be quite long. Expand< / span > < / div >
< div class = "line" > < a name = "l00846" > < / a > < span class = "lineno" > 846< / span >   < span class = "comment" > // so that we can check the time limit at each step?< / span > < / div >
< div class = "line" > < a name = "l00847" > < / a > < span class = "lineno" > 847< / span >   sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9ae69b015a43c1a94e8815ab0dd8189c" > EnqueueDecisionAndBackjumpOnConflict< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (decision));< / div >
< div class = "line" > < a name = "l00848" > < / a > < span class = "lineno" > 848< / span >   < / div >
< div class = "line" > < a name = "l00849" > < / a > < span class = "lineno" > 849< / span >   < span class = "comment" > // Update the implied bounds each time we enqueue a literal at level zero.< / span > < / div >
< div class = "line" > < a name = "l00850" > < / a > < span class = "lineno" > 850< / span >   < span class = "comment" > // This is " almost free" , so we might as well do it.< / span > < / div >
< div class = "line" > < a name = "l00851" > < / a > < span class = "lineno" > 851< / span >   < span class = "keywordflow" > if< / span > (old_level == 0 & & sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > CurrentDecisionLevel< / a > () == 1) {< / div >
< div class = "line" > < a name = "l00852" > < / a > < span class = "lineno" > 852< / span >   implied_bounds-> ProcessIntegerTrail(< a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (decision));< / div >
< div class = "line" > < a name = "l00853" > < / a > < span class = "lineno" > 853< / span >   }< / div >
< div class = "line" > < a name = "l00854" > < / a > < span class = "lineno" > 854< / span >   < / div >
< div class = "line" > < a name = "l00855" > < / a > < span class = "lineno" > 855< / span >   < span class = "comment" > // Update the pseudo costs.< / span > < / div >
< div class = "line" > < a name = "l00856" > < / a > < span class = "lineno" > 856< / span >   < span class = "keywordflow" > if< / span > (sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > CurrentDecisionLevel< / a > () > old_level & & < / div >
< div class = "line" > < a name = "l00857" > < / a > < span class = "lineno" > 857< / span >   objective_var != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ) {< / div >
< div class = "line" > < a name = "l00858" > < / a > < span class = "lineno" > 858< / span >   < span class = "keyword" > const< / span > IntegerValue new_obj_lb = integer_trail-> LowerBound(objective_var);< / div >
< div class = "line" > < a name = "l00859" > < / a > < span class = "lineno" > 859< / span >   < span class = "keyword" > const< / span > IntegerValue new_obj_ub = integer_trail-> UpperBound(objective_var);< / div >
< div class = "line" > < a name = "l00860" > < / a > < span class = "lineno" > 860< / span >   < span class = "keyword" > const< / span > IntegerValue objective_bound_change =< / div >
< div class = "line" > < a name = "l00861" > < / a > < span class = "lineno" > 861< / span >   (new_obj_lb - old_obj_lb) + (old_obj_ub - new_obj_ub);< / div >
< div class = "line" > < a name = "l00862" > < / a > < span class = "lineno" > 862< / span >   pseudo_costs-> < a class = "code" href = "classoperations__research_1_1sat_1_1_pseudo_costs.html#aa64c6ffef5c1b7402acad774c70bab08" > UpdateCost< / a > (bound_changes, objective_bound_change);< / div >
< div class = "line" > < a name = "l00863" > < / a > < span class = "lineno" > 863< / span >   }< / div >
< div class = "line" > < a name = "l00864" > < / a > < span class = "lineno" > 864< / span >   < / div >
< div class = "line" > < a name = "l00865" > < / a > < span class = "lineno" > 865< / span >   sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a705eddd5baee23097daf34b73e66eae3" > AdvanceDeterministicTime< / a > (< a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > );< / div >
< div class = "line" > < a name = "l00866" > < / a > < span class = "lineno" > 866< / span >   < span class = "keywordflow" > if< / span > (!sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad28cbdd5735a0c111a642f39524d969e" > ReapplyAssumptionsIfNeeded< / a > ()) {< / div >
< div class = "line" > < a name = "l00867" > < / a > < span class = "lineno" > 867< / span >   < span class = "keywordflow" > return< / span > sat_solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > UnsatStatus< / a > ();< / div >
< div class = "line" > < a name = "l00868" > < / a > < span class = "lineno" > 868< / span >   }< / div >
< div class = "line" > < a name = "l00869" > < / a > < span class = "lineno" > 869< / span >   < / div >
< div class = "line" > < a name = "l00870" > < / a > < span class = "lineno" > 870< / span >   < span class = "comment" > // TODO(user): Experiment more around dynamically changing the< / span > < / div >
< div class = "line" > < a name = "l00871" > < / a > < span class = "lineno" > 871< / span >   < span class = "comment" > // threshold for storing LP solutions in the pool. Alternatively expose< / span > < / div >
< div class = "line" > < a name = "l00872" > < / a > < span class = "lineno" > 872< / span >   < span class = "comment" > // this as parameter so this can be tuned later.< / span > < / div >
< div class = "line" > < a name = "l00873" > < / a > < span class = "lineno" > 873< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00874" > < / a > < span class = "lineno" > 874< / span >   < span class = "comment" > // TODO(user): Avoid adding the same solution many time if the LP didn' t< / span > < / div >
< div class = "line" > < a name = "l00875" > < / a > < span class = "lineno" > 875< / span >   < span class = "comment" > // change. Avoid adding solution that are too deep in the tree (most< / span > < / div >
< div class = "line" > < a name = "l00876" > < / a > < span class = "lineno" > 876< / span >   < span class = "comment" > // variable fixed). Also use a callback rather than having this here, we< / span > < / div >
< div class = "line" > < a name = "l00877" > < / a > < span class = "lineno" > 877< / span >   < span class = "comment" > // don' t want this file to depend on cp_model.proto.< / span > < / div >
< div class = "line" > < a name = "l00878" > < / a > < span class = "lineno" > 878< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get< < a class = "code" href = "classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html" > SharedLPSolutionRepository< / a > > () != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a name = "l00879" > < / a > < span class = "lineno" > 879< / span >   num_decisions_since_last_lp_record_++;< / div >
< div class = "line" > < a name = "l00880" > < / a > < span class = "lineno" > 880< / span >   < span class = "keywordflow" > if< / span > (num_decisions_since_last_lp_record_ > = 100) {< / div >
< div class = "line" > < a name = "l00881" > < / a > < span class = "lineno" > 881< / span >   < span class = "comment" > // NOTE: We can actually record LP solutions more frequently. However< / span > < / div >
< div class = "line" > < a name = "l00882" > < / a > < span class = "lineno" > 882< / span >   < span class = "comment" > // this process is time consuming and workers waste a lot of time doing< / span > < / div >
< div class = "line" > < a name = "l00883" > < / a > < span class = "lineno" > 883< / span >   < span class = "comment" > // this. To avoid this we don' t record solutions after each decision.< / span > < / div >
< div class = "line" > < a name = "l00884" > < / a > < span class = "lineno" > 884< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a334bf93d91912354ff5d0f161a64c273" > RecordLPRelaxationValues< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00885" > < / a > < span class = "lineno" > 885< / span >   num_decisions_since_last_lp_record_ = 0;< / div >
< div class = "line" > < a name = "l00886" > < / a > < span class = "lineno" > 886< / span >   }< / div >
< div class = "line" > < a name = "l00887" > < / a > < span class = "lineno" > 887< / span >   }< / div >
< div class = "line" > < a name = "l00888" > < / a > < span class = "lineno" > 888< / span >   }< / div >
< div class = "line" > < a name = "l00889" > < / a > < span class = "lineno" > 889< / span >   < span class = "keywordflow" > return< / span > SatSolver::Status::LIMIT_REACHED;< / div >
< div class = "line" > < a name = "l00890" > < / a > < span class = "lineno" > 890< / span >   }< / div >
< div class = "line" > < a name = "l00891" > < / a > < span class = "lineno" > 891< / span >   < / div >
< div class = "line" > < a name = "l00892" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a" > 892< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a" > ResetAndSolveIntegerProblem< / a > (< / div >
< div class = "line" > < a name = "l00893" > < / a > < span class = "lineno" > 893< / span >   < span class = "keyword" > const< / span > std::vector< Literal> & assumptions, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00894" > < / a > < span class = "lineno" > 894< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * < span class = "keyword" > const< / span > solver = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > > ();< / div >
< div class = "line" > < a name = "l00895" > < / a > < span class = "lineno" > 895< / span >   < / div >
< div class = "line" > < a name = "l00896" > < / a > < span class = "lineno" > 896< / span >   < span class = "comment" > // Sync the bound first.< / span > < / div >
< div class = "line" > < a name = "l00897" > < / a > < span class = "lineno" > 897< / span >   < span class = "keywordflow" > if< / span > (!solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9da38c8d2910442d551db5e360423029" > ResetToLevelZero< / a > ()) < span class = "keywordflow" > return< / span > solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > UnsatStatus< / a > ();< / div >
< div class = "line" > < a name = "l00898" > < / a > < span class = "lineno" > 898< / span >   < span class = "keyword" > auto< / span > * level_zero_callbacks = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html" > LevelZeroCallbackHelper< / a > > ();< / div >
< div class = "line" > < a name = "l00899" > < / a > < span class = "lineno" > 899< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & cb : level_zero_callbacks-> callbacks) {< / div >
< div class = "line" > < a name = "l00900" > < / a > < span class = "lineno" > 900< / span >   < span class = "keywordflow" > if< / span > (!cb()) < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00901" > < / a > < span class = "lineno" > 901< / span >   }< / div >
< div class = "line" > < a name = "l00902" > < / a > < span class = "lineno" > 902< / span >   < / div >
< div class = "line" > < a name = "l00903" > < / a > < span class = "lineno" > 903< / span >   < span class = "comment" > // Add the assumptions if any and solve.< / span > < / div >
< div class = "line" > < a name = "l00904" > < / a > < span class = "lineno" > 904< / span >   < span class = "keywordflow" > if< / span > (!solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad4494c6831942d344ed1d9758f0e6cd9" > ResetWithGivenAssumptions< / a > (assumptions)) {< / div >
< div class = "line" > < a name = "l00905" > < / a > < span class = "lineno" > 905< / span >   < span class = "keywordflow" > return< / span > solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > UnsatStatus< / a > ();< / div >
< div class = "line" > < a name = "l00906" > < / a > < span class = "lineno" > 906< / span >   }< / div >
< div class = "line" > < a name = "l00907" > < / a > < span class = "lineno" > 907< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8bea9a6a0de60c8fdab99ad7dfdf8498" > SolveIntegerProblem< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00908" > < / a > < span class = "lineno" > 908< / span >   }< / div >
< div class = "line" > < a name = "l00909" > < / a > < span class = "lineno" > 909< / span >   < / div >
< div class = "line" > < a name = "l00910" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a48d1aae59a778d6f39609f9add7cd0a5" > 910< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a48d1aae59a778d6f39609f9add7cd0a5" > SolveIntegerProblemWithLazyEncoding< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00911" > < / a > < span class = "lineno" > 911< / span >   < span class = "keyword" > const< / span > IntegerVariable num_vars =< / div >
< div class = "line" > < a name = "l00912" > < / a > < span class = "lineno" > 912< / span >   < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ()-> NumIntegerVariables();< / div >
< div class = "line" > < a name = "l00913" > < / a > < span class = "lineno" > 913< / span >   std::vector< IntegerVariable> all_variables;< / div >
< div class = "line" > < a name = "l00914" > < / a > < span class = "lineno" > 914< / span >   < span class = "keywordflow" > for< / span > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > (0); < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < num_vars; ++< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) {< / div >
< div class = "line" > < a name = "l00915" > < / a > < span class = "lineno" > 915< / span >   all_variables.push_back(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00916" > < / a > < span class = "lineno" > 916< / span >   }< / div >
< div class = "line" > < a name = "l00917" > < / a > < span class = "lineno" > 917< / span >   < / div >
< div class = "line" > < a name = "l00918" > < / a > < span class = "lineno" > 918< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > SearchHeuristics< / a > & heuristics = *< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > SearchHeuristics< / a > > ();< / div >
< div class = "line" > < a name = "l00919" > < / a > < span class = "lineno" > 919< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > policy_index< / a > = 0;< / div >
< div class = "line" > < a name = "l00920" > < / a > < span class = "lineno" > 920< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > (< / div >
< div class = "line" > < a name = "l00921" > < / a > < span class = "lineno" > 921< / span >   {< a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ),< / div >
< div class = "line" > < a name = "l00922" > < / a > < span class = "lineno" > 922< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b" > FirstUnassignedVarAtItsMinHeuristic< / a > (all_variables, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )})};< / div >
< div class = "line" > < a name = "l00923" > < / a > < span class = "lineno" > 923< / span >   heuristics.< a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > = {< a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )};< / div >
< div class = "line" > < a name = "l00924" > < / a > < span class = "lineno" > 924< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a" > ResetAndSolveIntegerProblem< / a > (< span class = "comment" > /*assumptions=*/< / span > {}, < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00925" > < / a > < span class = "lineno" > 925< / span >   }< / div >
< div class = "line" > < a name = "l00926" > < / a > < span class = "lineno" > 926< / span >   < / div >
< div class = "line" > < a name = "l00927" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#abb234c348ddabb307c1170b3e4c7f2b9" > 927< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#abb234c348ddabb307c1170b3e4c7f2b9" > ContinuousProbing< / a > (< / div >
< div class = "line" > < a name = "l00928" > < / a > < span class = "lineno" > 928< / span >   < span class = "keyword" > const< / span > std::vector< BooleanVariable> & bool_vars,< / div >
< div class = "line" > < a name = "l00929" > < / a > < span class = "lineno" > 929< / span >   < span class = "keyword" > const< / span > std::vector< IntegerVariable> & int_vars,< / div >
< div class = "line" > < a name = "l00930" > < / a > < span class = "lineno" > 930< / span >   < span class = "keyword" > const< / span > std::function< < span class = "keywordtype" > void< / span > ()> & feasible_solution_observer, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a name = "l00931" > < / a > < span class = "lineno" > 931< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " Start continuous probing with " < / span > < < bool_vars.size()< / div >
< div class = "line" > < a name = "l00932" > < / a > < span class = "lineno" > 932< / span >   < < < span class = "stringliteral" > " Boolean variables, and " < / span > < < int_vars.size()< / div >
< div class = "line" > < a name = "l00933" > < / a > < span class = "lineno" > 933< / span >   < < < span class = "stringliteral" > " integer variables" < / span > ;< / div >
< div class = "line" > < a name = "l00934" > < / a > < span class = "lineno" > 934< / span >   < / div >
< div class = "line" > < a name = "l00935" > < / a > < span class = "lineno" > 935< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * solver = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > > ();< / div >
< div class = "line" > < a name = "l00936" > < / a > < span class = "lineno" > 936< / span >   < a class = "code" href = "classoperations__research_1_1_time_limit.html" > TimeLimit< / a > * < a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1_time_limit.html" > TimeLimit< / a > > ();< / div >
< div class = "line" > < a name = "l00937" > < / a > < span class = "lineno" > 937< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a name = "l00938" > < / a > < span class = "lineno" > 938< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_encoder.html" > IntegerEncoder< / a > * encoder = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_encoder.html" > IntegerEncoder< / a > > ();< / div >
< div class = "line" > < a name = "l00939" > < / a > < span class = "lineno" > 939< / span >   < span class = "keyword" > const< / span > SatParameters& sat_parameters = *(< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ());< / div >
< div class = "line" > < a name = "l00940" > < / a > < span class = "lineno" > 940< / span >   < span class = "keyword" > auto< / span > * level_zero_callbacks = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html" > LevelZeroCallbackHelper< / a > > ();< / div >
< div class = "line" > < a name = "l00941" > < / a > < span class = "lineno" > 941< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_prober.html" > Prober< / a > * prober = < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_prober.html" > Prober< / a > > ();< / div >
< div class = "line" > < a name = "l00942" > < / a > < span class = "lineno" > 942< / span >   < / div >
< div class = "line" > < a name = "l00943" > < / a > < span class = "lineno" > 943< / span >   std::vector< BooleanVariable> active_vars;< / div >
< div class = "line" > < a name = "l00944" > < / a > < span class = "lineno" > 944< / span >   std::vector< BooleanVariable> integer_bounds;< / div >
< div class = "line" > < a name = "l00945" > < / a > < span class = "lineno" > 945< / span >   absl::flat_hash_set< BooleanVariable> integer_bounds_set;< / div >
< div class = "line" > < a name = "l00946" > < / a > < span class = "lineno" > 946< / span >   < / div >
< div class = "line" > < a name = "l00947" > < / a > < span class = "lineno" > 947< / span >   < span class = "keywordtype" > int< / span > loop = 0;< / div >
< div class = "line" > < a name = "l00948" > < / a > < span class = "lineno" > 948< / span >   < span class = "keywordflow" > while< / span > (!< a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > -> LimitReached()) {< / div >
< div class = "line" > < a name = "l00949" > < / a > < span class = "lineno" > 949< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " Probing loop " < / span > < < loop++;< / div >
< div class = "line" > < a name = "l00950" > < / a > < span class = "lineno" > 950< / span >   < / div >
< div class = "line" > < a name = "l00951" > < / a > < span class = "lineno" > 951< / span >   < span class = "comment" > // Sync the bounds first.< / span > < / div >
< div class = "line" > < a name = "l00952" > < / a > < span class = "lineno" > 952< / span >   < span class = "keyword" > auto< / span > SyncBounds = [solver, & level_zero_callbacks]() {< / div >
< div class = "line" > < a name = "l00953" > < / a > < span class = "lineno" > 953< / span >   < span class = "keywordflow" > if< / span > (!solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9da38c8d2910442d551db5e360423029" > ResetToLevelZero< / a > ()) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00954" > < / a > < span class = "lineno" > 954< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & cb : level_zero_callbacks-> callbacks) {< / div >
< div class = "line" > < a name = "l00955" > < / a > < span class = "lineno" > 955< / span >   < span class = "keywordflow" > if< / span > (!cb()) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00956" > < / a > < span class = "lineno" > 956< / span >   }< / div >
< div class = "line" > < a name = "l00957" > < / a > < span class = "lineno" > 957< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00958" > < / a > < span class = "lineno" > 958< / span >   };< / div >
< div class = "line" > < a name = "l00959" > < / a > < span class = "lineno" > 959< / span >   < span class = "keywordflow" > if< / span > (!SyncBounds()) {< / div >
< div class = "line" > < a name = "l00960" > < / a > < span class = "lineno" > 960< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00961" > < / a > < span class = "lineno" > 961< / span >   }< / div >
< div class = "line" > < a name = "l00962" > < / a > < span class = "lineno" > 962< / span >   < / div >
< div class = "line" > < a name = "l00963" > < / a > < span class = "lineno" > 963< / span >   < span class = "comment" > // Run sat in-processing to reduce the size of the clause database.< / span > < / div >
< div class = "line" > < a name = "l00964" > < / a > < span class = "lineno" > 964< / span >   < span class = "keywordflow" > if< / span > (sat_parameters.use_sat_inprocessing() & & < / div >
< div class = "line" > < a name = "l00965" > < / a > < span class = "lineno" > 965< / span >   !< a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code" href = "classoperations__research_1_1sat_1_1_inprocessing.html" > Inprocessing< / a > > ()-> InprocessingRound()) {< / div >
< div class = "line" > < a name = "l00966" > < / a > < span class = "lineno" > 966< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00967" > < / a > < span class = "lineno" > 967< / span >   }< / div >
< div class = "line" > < a name = "l00968" > < / a > < span class = "lineno" > 968< / span >   < / div >
< div class = "line" > < a name = "l00969" > < / a > < span class = "lineno" > 969< / span >   < span class = "comment" > // TODO(user): Explore fast probing methods.< / span > < / div >
< div class = "line" > < a name = "l00970" > < / a > < span class = "lineno" > 970< / span >   < / div >
< div class = "line" > < a name = "l00971" > < / a > < span class = "lineno" > 971< / span >   < span class = "comment" > // Probe each Boolean variable at most once per loop.< / span > < / div >
< div class = "line" > < a name = "l00972" > < / a > < span class = "lineno" > 972< / span >   absl::flat_hash_set< BooleanVariable> probed;< / div >
< div class = "line" > < a name = "l00973" > < / a > < span class = "lineno" > 973< / span >   < / div >
< div class = "line" > < a name = "l00974" > < / a > < span class = "lineno" > 974< / span >   < span class = "comment" > // Probe variable bounds.< / span > < / div >
< div class = "line" > < a name = "l00975" > < / a > < span class = "lineno" > 975< / span >   < span class = "comment" > // TODO(user,user): Probe optional variables.< / span > < / div >
< div class = "line" > < a name = "l00976" > < / a > < span class = "lineno" > 976< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > IntegerVariable int_var : int_vars) {< / div >
< div class = "line" > < a name = "l00977" > < / a > < span class = "lineno" > 977< / span >   < span class = "keywordflow" > if< / span > (integer_trail-> IsFixed(int_var) ||< / div >
< div class = "line" > < a name = "l00978" > < / a > < span class = "lineno" > 978< / span >   integer_trail-> IsOptional(int_var)) {< / div >
< div class = "line" > < a name = "l00979" > < / a > < span class = "lineno" > 979< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00980" > < / a > < span class = "lineno" > 980< / span >   }< / div >
< div class = "line" > < a name = "l00981" > < / a > < span class = "lineno" > 981< / span >   < / div >
< div class = "line" > < a name = "l00982" > < / a > < span class = "lineno" > 982< / span >   < span class = "keyword" > const< / span > BooleanVariable shave_lb =< / div >
< div class = "line" > < a name = "l00983" > < / a > < span class = "lineno" > 983< / span >   encoder< / div >
< div class = "line" > < a name = "l00984" > < / a > < span class = "lineno" > 984< / span >   -> GetOrCreateAssociatedLiteral(< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f" > IntegerLiteral::LowerOrEqual< / a > (< / div >
< div class = "line" > < a name = "l00985" > < / a > < span class = "lineno" > 985< / span >   int_var, integer_trail-> LowerBound(int_var)))< / div >
< div class = "line" > < a name = "l00986" > < / a > < span class = "lineno" > 986< / span >   .Variable();< / div >
< div class = "line" > < a name = "l00987" > < / a > < span class = "lineno" > 987< / span >   < span class = "keywordflow" > if< / span > (!probed.contains(shave_lb)) {< / div >
< div class = "line" > < a name = "l00988" > < / a > < span class = "lineno" > 988< / span >   probed.insert(shave_lb);< / div >
< div class = "line" > < a name = "l00989" > < / a > < span class = "lineno" > 989< / span >   < span class = "keywordflow" > if< / span > (!prober-> ProbeOneVariable(shave_lb)) {< / div >
< div class = "line" > < a name = "l00990" > < / a > < span class = "lineno" > 990< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l00991" > < / a > < span class = "lineno" > 991< / span >   }< / div >
< div class = "line" > < a name = "l00992" > < / a > < span class = "lineno" > 992< / span >   }< / div >
< div class = "line" > < a name = "l00993" > < / a > < span class = "lineno" > 993< / span >   < / div >
< div class = "line" > < a name = "l00994" > < / a > < span class = "lineno" > 994< / span >   < span class = "keyword" > const< / span > BooleanVariable shave_ub =< / div >
< div class = "line" > < a name = "l00995" > < / a > < span class = "lineno" > 995< / span >   encoder< / div >
< div class = "line" > < a name = "l00996" > < / a > < span class = "lineno" > 996< / span >   -> GetOrCreateAssociatedLiteral(< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63" > IntegerLiteral::GreaterOrEqual< / a > (< / div >
< div class = "line" > < a name = "l00997" > < / a > < span class = "lineno" > 997< / span >   int_var, integer_trail-> UpperBound(int_var)))< / div >
< div class = "line" > < a name = "l00998" > < / a > < span class = "lineno" > 998< / span >   .Variable();< / div >
< div class = "line" > < a name = "l00999" > < / a > < span class = "lineno" > 999< / span >   < span class = "keywordflow" > if< / span > (!probed.contains(shave_ub)) {< / div >
< div class = "line" > < a name = "l01000" > < / a > < span class = "lineno" > 1000< / span >   probed.insert(shave_ub);< / div >
< div class = "line" > < a name = "l01001" > < / a > < span class = "lineno" > 1001< / span >   < span class = "keywordflow" > if< / span > (!prober-> ProbeOneVariable(shave_ub)) {< / div >
< div class = "line" > < a name = "l01002" > < / a > < span class = "lineno" > 1002< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l01003" > < / a > < span class = "lineno" > 1003< / span >   }< / div >
< div class = "line" > < a name = "l01004" > < / a > < span class = "lineno" > 1004< / span >   }< / div >
< div class = "line" > < a name = "l01005" > < / a > < span class = "lineno" > 1005< / span >   < / div >
< div class = "line" > < a name = "l01006" > < / a > < span class = "lineno" > 1006< / span >   < span class = "keywordflow" > if< / span > (!SyncBounds()) {< / div >
< div class = "line" > < a name = "l01007" > < / a > < span class = "lineno" > 1007< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l01008" > < / a > < span class = "lineno" > 1008< / span >   }< / div >
< div class = "line" > < a name = "l01009" > < / a > < span class = "lineno" > 1009< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > -> LimitReached()) {< / div >
< div class = "line" > < a name = "l01010" > < / a > < span class = "lineno" > 1010< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed" > SatSolver::LIMIT_REACHED< / a > ;< / div >
< div class = "line" > < a name = "l01011" > < / a > < span class = "lineno" > 1011< / span >   }< / div >
< div class = "line" > < a name = "l01012" > < / a > < span class = "lineno" > 1012< / span >   }< / div >
< div class = "line" > < a name = "l01013" > < / a > < span class = "lineno" > 1013< / span >   < / div >
< div class = "line" > < a name = "l01014" > < / a > < span class = "lineno" > 1014< / span >   < span class = "comment" > // Probe Boolean variables from the model.< / span > < / div >
< div class = "line" > < a name = "l01015" > < / a > < span class = "lineno" > 1015< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > BooleanVariable& bool_var : bool_vars) {< / div >
< div class = "line" > < a name = "l01016" > < / a > < span class = "lineno" > 1016< / span >   < span class = "keywordflow" > if< / span > (solver-> < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8" > Assignment< / a > ().< a class = "code" href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d" > VariableIsAssigned< / a > (bool_var)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l01017" > < / a > < span class = "lineno" > 1017< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > -> LimitReached()) {< / div >
< div class = "line" > < a name = "l01018" > < / a > < span class = "lineno" > 1018< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed" > SatSolver::LIMIT_REACHED< / a > ;< / div >
< div class = "line" > < a name = "l01019" > < / a > < span class = "lineno" > 1019< / span >   }< / div >
< div class = "line" > < a name = "l01020" > < / a > < span class = "lineno" > 1020< / span >   < span class = "keywordflow" > if< / span > (!SyncBounds()) {< / div >
< div class = "line" > < a name = "l01021" > < / a > < span class = "lineno" > 1021< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l01022" > < / a > < span class = "lineno" > 1022< / span >   }< / div >
< div class = "line" > < a name = "l01023" > < / a > < span class = "lineno" > 1023< / span >   < span class = "keywordflow" > if< / span > (!probed.contains(bool_var)) {< / div >
< div class = "line" > < a name = "l01024" > < / a > < span class = "lineno" > 1024< / span >   probed.insert(bool_var);< / div >
< div class = "line" > < a name = "l01025" > < / a > < span class = "lineno" > 1025< / span >   < span class = "keywordflow" > if< / span > (!prober-> ProbeOneVariable(bool_var)) {< / div >
< div class = "line" > < a name = "l01026" > < / a > < span class = "lineno" > 1026< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > SatSolver::INFEASIBLE< / a > ;< / div >
< div class = "line" > < a name = "l01027" > < / a > < span class = "lineno" > 1027< / span >   }< / div >
< div class = "line" > < a name = "l01028" > < / a > < span class = "lineno" > 1028< / span >   }< / div >
< div class = "line" > < a name = "l01029" > < / a > < span class = "lineno" > 1029< / span >   }< / div >
< div class = "line" > < a name = "l01030" > < / a > < span class = "lineno" > 1030< / span >   }< / div >
< div class = "line" > < a name = "l01031" > < / a > < span class = "lineno" > 1031< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed" > SatSolver::LIMIT_REACHED< / a > ;< / div >
< div class = "line" > < a name = "l01032" > < / a > < span class = "lineno" > 1032< / span >   }< / div >
< div class = "line" > < a name = "l01033" > < / a > < span class = "lineno" > 1033< / span >   < / div >
< div class = "line" > < a name = "l01034" > < / a > < span class = "lineno" > 1034< / span >   } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a name = "l01035" > < / a > < span class = "lineno" > 1035< / 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#l00498" > base/logging.h:498< / 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#l00895" > base/logging.h:895< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a4bd2e815ca2f702a4b6aa744b1ff3b82" > < div class = "ttname" > < a href = "base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82" > CHECK_LT< / a > < / div > < div class = "ttdeci" > #define CHECK_LT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00708" > base/logging.h:708< / 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#l00705" > base/logging.h:705< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > < / div > < div class = "ttdeci" > #define CHECK_NE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00706" > base/logging.h:706< / 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#l00892" > base/logging.h:892< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > < / div > < div class = "ttdeci" > #define DCHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00893" > base/logging.h:893< / 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#l00986" > base/logging.h:986< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_time_limit_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_time_limit.html" > operations_research::TimeLimit< / a > < / div > < div class = "ttdoc" > A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "time__limit_8h_source.html#l00105" > time_limit.h:105< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_cp_model_mapping_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_cp_model_mapping.html" > operations_research::sat::CpModelMapping< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__loader_8h_source.html#l00064" > cp_model_loader.h:64< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_implied_bounds_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_implied_bounds.html" > operations_research::sat::ImpliedBounds< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "implied__bounds_8h_source.html#l00078" > implied_bounds.h:78< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_inprocessing_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_inprocessing.html" > operations_research::sat::Inprocessing< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__inprocessing_8h_source.html#l00089" > sat_inprocessing.h:89< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_encoder_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_encoder.html" > operations_research::sat::IntegerEncoder< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00281" > integer.h:281< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html" > operations_research::sat::IntegerTrail< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00545" > integer.h:545< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html_a309d057e12c8d4d393f13975eea2e2a9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9" > operations_research::sat::IntegerTrail::IsCurrentlyIgnored< / a > < / div > < div class = "ttdeci" > bool IsCurrentlyIgnored(IntegerVariable i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00630" > integer.h:630< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html_a8b6d5a25e6ad3d28a85b1924471e2cac" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac" > operations_research::sat::IntegerTrail::UpperBound< / a > < / div > < div class = "ttdeci" > IntegerValue UpperBound(IntegerVariable i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01309" > integer.h:1309< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html_a8ef12397d1682615bc3108c397734179" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html#a8ef12397d1682615bc3108c397734179" > operations_research::sat::IntegerTrail::Index< / a > < / div > < div class = "ttdeci" > int Index() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00842" > integer.h:842< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html_ab857cd2aead68952d9fe92a8ad8d3ac9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9" > operations_research::sat::IntegerTrail::LowerBound< / a > < / div > < div class = "ttdeci" > IntegerValue LowerBound(IntegerVariable i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01305" > integer.h:1305< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_linear_programming_constraint_collection_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_linear_programming_constraint_collection.html" > operations_research::sat::LinearProgrammingConstraintCollection< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__programming__constraint_8h_source.html#l00542" > linear_programming_constraint.h:543< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_linear_programming_constraint_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html" > operations_research::sat::LinearProgrammingConstraint< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__programming__constraint_8h_source.html#l00129" > linear_programming_constraint.h:130< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_linear_programming_constraint_html_a460fe5216ff7f997841e588d432be744" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html#a460fe5216ff7f997841e588d432be744" > operations_research::sat::LinearProgrammingConstraint::GetSolutionValue< / a > < / div > < div class = "ttdeci" > double GetSolutionValue(IntegerVariable variable) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__programming__constraint_8cc_source.html#l00626" > linear_programming_constraint.cc:626< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_linear_programming_constraint_html_a700f8f1db38fcb59cab04ff2d75a915f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html#a700f8f1db38fcb59cab04ff2d75a915f" > operations_research::sat::LinearProgrammingConstraint::SolutionIsInteger< / a > < / div > < div class = "ttdeci" > bool SolutionIsInteger() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__programming__constraint_8h_source.html#l00160" > linear_programming_constraint.h:160< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_linear_programming_constraint_html_ac7edc397b78de116072e89fe0ad89266" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_linear_programming_constraint.html#ac7edc397b78de116072e89fe0ad89266" > operations_research::sat::LinearProgrammingConstraint::HasSolution< / a > < / div > < div class = "ttdeci" > bool HasSolution() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__programming__constraint_8h_source.html#l00156" > linear_programming_constraint.h:156< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_linear_programming_dispatcher_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_linear_programming_dispatcher.html" > operations_research::sat::LinearProgrammingDispatcher< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__programming__constraint_8h_source.html#l00534" > linear_programming_constraint.h:536< / 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_a4a11c7c4d7706c09de5e18707c3b5c62" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62" > operations_research::sat::Literal::Index< / a > < / div > < div class = "ttdeci" > LiteralIndex Index() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00085" > sat_base.h:85< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< 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 >
2021-04-27 23:00:03 +02:00
< 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#l00040" > sat/util.h:40< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_prober_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_prober.html" > operations_research::sat::Prober< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "probing_8h_source.html#l00029" > probing.h:29< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_pseudo_costs_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_pseudo_costs.html" > operations_research::sat::PseudoCosts< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pseudo__costs_8h_source.html#l00028" > pseudo_costs.h:28< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_pseudo_costs_html_aa64c6ffef5c1b7402acad774c70bab08" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_pseudo_costs.html#aa64c6ffef5c1b7402acad774c70bab08" > operations_research::sat::PseudoCosts::UpdateCost< / a > < / div > < div class = "ttdeci" > void UpdateCost(const std::vector< VariableBoundChange > & bound_changes, IntegerValue obj_bound_improvement)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pseudo__costs_8cc_source.html#l00044" > pseudo_costs.cc:44< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_restart_policy_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_restart_policy.html" > operations_research::sat::RestartPolicy< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "restart_8h_source.html#l00029" > restart.h:29< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_restart_policy_html_a9a4dbc2c6849f437d4f08288eeffbfed" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_restart_policy.html#a9a4dbc2c6849f437d4f08288eeffbfed" > operations_research::sat::RestartPolicy::ShouldRestart< / a > < / div > < div class = "ttdeci" > bool ShouldRestart()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "restart_8cc_source.html#l00081" > restart.cc:81< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_decision_policy_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_decision_policy.html" > operations_research::sat::SatDecisionPolicy< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__decision_8h_source.html#l00035" > sat_decision.h:35< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html" > operations_research::sat::SatSolver< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00058" > sat_solver.h:58< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a5bbe13ebae8aa11a8a4ac1cb01bc66ad" > operations_research::sat::SatSolver::UnsatStatus< / a > < / div > < div class = "ttdeci" > Status UnsatStatus() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00310" > sat_solver.h:310< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a607d97ccada862073f297bc2d495124d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a607d97ccada862073f297bc2d495124d" > operations_research::sat::SatSolver::FinishPropagation< / a > < / div > < div class = "ttdeci" > bool FinishPropagation()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00522" > sat_solver.cc:522< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > operations_research::sat::SatSolver::Status< / a > < / div > < div class = "ttdeci" > Status< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00181" > sat_solver.h:181< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1" > operations_research::sat::SatSolver::FEASIBLE< / a > < / div > < div class = "ttdeci" > @ FEASIBLE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00184" > sat_solver.h:184< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483" > operations_research::sat::SatSolver::INFEASIBLE< / a > < / div > < div class = "ttdeci" > @ INFEASIBLE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00183" > sat_solver.h:183< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed" > operations_research::sat::SatSolver::LIMIT_REACHED< / a > < / div > < div class = "ttdeci" > @ LIMIT_REACHED< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00185" > sat_solver.h:185< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a705eddd5baee23097daf34b73e66eae3" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a705eddd5baee23097daf34b73e66eae3" > operations_research::sat::SatSolver::AdvanceDeterministicTime< / a > < / div > < div class = "ttdeci" > void AdvanceDeterministicTime(TimeLimit *limit)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00423" > sat_solver.h:423< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a9789bf03dba611e9be5679d6e902d0c8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9789bf03dba611e9be5679d6e902d0c8" > operations_research::sat::SatSolver::Assignment< / a > < / div > < div class = "ttdeci" > const VariablesAssignment & Assignment() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00363" > sat_solver.h:363< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a9ae69b015a43c1a94e8815ab0dd8189c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9ae69b015a43c1a94e8815ab0dd8189c" > operations_research::sat::SatSolver::EnqueueDecisionAndBackjumpOnConflict< / a > < / div > < div class = "ttdeci" > int EnqueueDecisionAndBackjumpOnConflict(Literal true_literal)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00500" > sat_solver.cc:500< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a9d3beb2afe4ae647674b054bf29290e2" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9d3beb2afe4ae647674b054bf29290e2" > operations_research::sat::SatSolver::NumVariables< / a > < / div > < div class = "ttdeci" > int NumVariables() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00083" > sat_solver.h:83< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a9da38c8d2910442d551db5e360423029" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a9da38c8d2910442d551db5e360423029" > operations_research::sat::SatSolver::ResetToLevelZero< / a > < / div > < div class = "ttdeci" > bool ResetToLevelZero()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00530" > sat_solver.cc:530< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_ac035378cea0ed7b0978105547402faa8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#ac035378cea0ed7b0978105547402faa8" > operations_research::sat::SatSolver::Backtrack< / a > < / div > < div class = "ttdeci" > void Backtrack(int target_level)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00889" > sat_solver.cc:889< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_ac714aeb75f0f6dd87e52e5d1a0d6edc7" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#ac714aeb75f0f6dd87e52e5d1a0d6edc7" > operations_research::sat::SatSolver::RestoreSolverToAssumptionLevel< / a > < / div > < div class = "ttdeci" > bool RestoreSolverToAssumptionLevel()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00512" > sat_solver.cc:512< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_acace892b69b55e3ee219e2893f34ef8f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#acace892b69b55e3ee219e2893f34ef8f" > operations_research::sat::SatSolver::num_failures< / a > < / div > < div class = "ttdeci" > int64_t num_failures() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00085" > sat_solver.cc:85< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_ad28cbdd5735a0c111a642f39524d969e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad28cbdd5735a0c111a642f39524d969e" > operations_research::sat::SatSolver::ReapplyAssumptionsIfNeeded< / a > < / div > < div class = "ttdeci" > bool ReapplyAssumptionsIfNeeded()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00555" > sat_solver.cc:555< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_ad4494c6831942d344ed1d9758f0e6cd9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad4494c6831942d344ed1d9758f0e6cd9" > operations_research::sat::SatSolver::ResetWithGivenAssumptions< / a > < / div > < div class = "ttdeci" > bool ResetWithGivenAssumptions(const std::vector< Literal > & assumptions)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8cc_source.html#l00537" > sat_solver.cc:537< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_ad63c4461a1384629cb99413c6df8b9ca" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#ad63c4461a1384629cb99413c6df8b9ca" > operations_research::sat::SatSolver::CurrentDecisionLevel< / a > < / div > < div class = "ttdeci" > int CurrentDecisionLevel() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00361" > sat_solver.h:361< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_shared_l_p_solution_repository_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html" > operations_research::sat::SharedLPSolutionRepository< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "synchronization_8h_source.html#l00138" > synchronization.h:138< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_shared_relaxation_solution_repository_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html" > operations_research::sat::SharedRelaxationSolutionRepository< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "synchronization_8h_source.html#l00129" > synchronization.h:130< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_shared_response_manager_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_shared_response_manager.html" > operations_research::sat::SharedResponseManager< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "synchronization_8h_source.html#l00169" > synchronization.h:169< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_shared_solution_repository_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_shared_solution_repository.html" > operations_research::sat::SharedSolutionRepository< int64_t > < / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a6d2b6f7951b60c786fdbefcbe7c3571f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_shared_solution_repository.html#a6d2b6f7951b60c786fdbefcbe7c3571f" > operations_research::sat::SharedSolutionRepository::NumSolutions< / a > < / div > < div class = "ttdeci" > int NumSolutions() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "synchronization_8h_source.html#l00412" > synchronization.h:412< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_ad3280cfa83b844b02b9194550b18b058" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad3280cfa83b844b02b9194550b18b058" > operations_research::sat::SharedSolutionRepository::GetVariableValueInSolution< / a > < / div > < div class = "ttdeci" > ValueType GetVariableValueInSolution(int var_index, int solution_index) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "synchronization_8h_source.html#l00425" > synchronization.h:425< / 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_a9789bf03dba611e9be5679d6e902d0c8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_trail.html#a9789bf03dba611e9be5679d6e902d0c8" > 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_variables_assignment_html_a142694366986039454f53b38e8378815" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_variables_assignment.html#a142694366986039454f53b38e8378815" > operations_research::sat::VariablesAssignment::LiteralIsAssigned< / a > < / div > < div class = "ttdeci" > bool LiteralIsAssigned(Literal literal) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00154" > sat_base.h:154< / 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 >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219" > < div class = "ttname" > < a href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > < / div > < div class = "ttdeci" > SatParameters parameters< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__fz__solver_8cc_source.html#l00108" > cp_model_fz_solver.cc:108< / a > < / div > < / div >
< div class = "ttc" id = "acp__model__loader_8h_html" > < div class = "ttname" > < a href = "cp__model__loader_8h.html" > cp_model_loader.h< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "acp__model__solver_8cc_html_a2a2278bd1fb787198e496b7d443a05e8" > < div class = "ttname" > < a href = "cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8" > relaxation_solutions< / a > < / div > < div class = "ttdeci" > SharedRelaxationSolutionRepository * relaxation_solutions< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__solver_8cc_source.html#l02155" > cp_model_solver.cc:2155< / a > < / div > < / div >
< div class = "ttc" id = "acp__model__solver_8cc_html_ac3cf9db02b23ea1455b5ae6955d03e47" > < div class = "ttname" > < a href = "cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47" > time_limit< / a > < / div > < div class = "ttdeci" > SharedTimeLimit * time_limit< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__solver_8cc_source.html#l02152" > cp_model_solver.cc:2152< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > < / div > < div class = "ttdeci" > const Constraint * ct< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00043" > demon_profiler.cc:43< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < / div > < div class = "ttdeci" > int64_t value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00044" > demon_profiler.cc:44< / a > < / div > < / div >
< div class = "ttc" id = "aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465" > < div class = "ttname" > < a href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < / div > < div class = "ttdeci" > IntVar * var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "expr__array_8cc_source.html#l01874" > expr_array.cc:1874< / a > < / div > < / div >
< div class = "ttc" id = "agurobi__interface_8cc_html_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 >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "aimplied__bounds_8h_html" > < div class = "ttname" > < a href = "implied__bounds_8h.html" > implied_bounds.h< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "ainteger_8h_html" > < div class = "ttname" > < a href = "integer_8h.html" > integer.h< / a > < / div > < / div >
< div class = "ttc" id = "ainteger__search_8h_html" > < div class = "ttname" > < a href = "integer__search_8h.html" > integer_search.h< / a > < / div > < / div >
< div class = "ttc" id = "alinear__programming__constraint_8h_html" > < div class = "ttname" > < a href = "linear__programming__constraint_8h.html" > linear_programming_constraint.h< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespacegtl_html_abc18f60961e36340e64e428827c0e38e" > < div class = "ttname" > < a href = "namespacegtl.html#abc18f60961e36340e64e428827c0e38e" > gtl::FindWithDefault< / a > < / div > < div class = "ttdeci" > const Collection::value_type::second_type & FindWithDefault(const Collection & collection, const typename Collection::value_type::first_type & key, const typename Collection::value_type::second_type & value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "map__util_8h_source.html#l00029" > map_util.h:29< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_ac89c7b45754e9a6bdabc08bea586fc4e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#ac89c7b45754e9a6bdabc08bea586fc4e" > operations_research::glop::Index< / a > < / div > < div class = "ttdeci" > int32_t Index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00038" > lp_types.h:38< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a0b08971dbb223f77e7fc9c41a77fdc7b" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b" > operations_research::sat::FirstUnassignedVarAtItsMinHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> FirstUnassignedVarAtItsMinHeuristic(const std::vector< IntegerVariable > & vars, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00154" > integer_search.cc:154< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a0ee70f9d17fac333fb71c0ab6423f58c" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a0ee70f9d17fac333fb71c0ab6423f58c" > operations_research::sat::UpperBound< / a > < / div > < div class = "ttdeci" > std::function< int64_t(const Model & )> UpperBound(IntegerVariable v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01478" > integer.h:1478< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a1227e67513602591fb959e35c9de66e8" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8" > operations_research::sat::kMaxIntegerValue< / a > < / div > < div class = "ttdeci" > constexpr IntegerValue kMaxIntegerValue(std::numeric_limits< IntegerValue::ValueType > ::max() - 1)< / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a17b20b0845d9e02829d417294aded36a" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a" > operations_research::sat::ResetAndSolveIntegerProblem< / a > < / div > < div class = "ttdeci" > SatSolver::Status ResetAndSolveIntegerProblem(const std::vector< Literal > & assumptions, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00892" > integer_search.cc:892< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a2dbcb7017d468a17bdb30252af5c6c31" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > operations_research::sat::kNoLiteralIndex< / a > < / div > < div class = "ttdeci" > const LiteralIndex kNoLiteralIndex(-1)< / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a304417ca7c3964cc928b771620b2dc53" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > operations_research::sat::AtMinValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral AtMinValue(IntegerVariable var, IntegerTrail *integer_trail)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00040" > integer_search.cc:40< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a334bf93d91912354ff5d0f161a64c273" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a334bf93d91912354ff5d0f161a64c273" > operations_research::sat::RecordLPRelaxationValues< / a > < / div > < div class = "ttdeci" > void RecordLPRelaxationValues(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rins_8cc_source.html#l00026" > rins.cc:26< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a355a62f25cfadeccfb164ab9fb867c81" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81" > operations_research::sat::kMinIntegerValue< / a > < / div > < div class = "ttdeci" > constexpr IntegerValue kMinIntegerValue(-kMaxIntegerValue)< / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3f4df9da99787316bfb5029b7a6b92b7" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > operations_research::sat::GreaterOrEqualToMiddleValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral GreaterOrEqualToMiddleValue(IntegerVariable var, IntegerTrail *integer_trail)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00060" > integer_search.cc:60< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a46cb4c07c4971a99724693260c92fd5b" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > operations_research::sat::SplitAroundGivenValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral SplitAroundGivenValue(IntegerVariable var, IntegerValue value, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00071" > integer_search.cc:71< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a4713f8fb7e1ccddece18a374886ad866" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a4713f8fb7e1ccddece18a374886ad866" > operations_research::sat::UnassignedVarWithLowestMinAtItsMinHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> UnassignedVarWithLowestMinAtItsMinHeuristic(const std::vector< IntegerVariable > & vars, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00169" > integer_search.cc:169< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a48d1aae59a778d6f39609f9add7cd0a5" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a48d1aae59a778d6f39609f9add7cd0a5" > operations_research::sat::SolveIntegerProblemWithLazyEncoding< / a > < / div > < div class = "ttdeci" > SatSolver::Status SolveIntegerProblemWithLazyEncoding(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00910" > integer_search.cc:910< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a527a6ee26b7f573def70daf9b2a9e577" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > operations_research::sat::SatSolverRestartPolicy< / a > < / div > < div class = "ttdeci" > std::function< bool()> SatSolverRestartPolicy(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00514" > integer_search.cc:514< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a5bd8c44473618b7eafd33ba978db2f06" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > operations_research::sat::kNoIntegerVariable< / a > < / div > < div class = "ttdeci" > const IntegerVariable kNoIntegerVariable(-1)< / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a5c07862681284286ab67401730668f38" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a5c07862681284286ab67401730668f38" > operations_research::sat::FollowHint< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> FollowHint(const std::vector< BooleanOrIntegerVariable > & vars, const std::vector< IntegerValue > & values, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00470" > integer_search.cc:470< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a5fcdf1d56a24d096d0c381a9708d4fa9" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a5fcdf1d56a24d096d0c381a9708d4fa9" > operations_research::sat::RestartEveryKFailures< / a > < / div > < div class = "ttdeci" > std::function< bool()> RestartEveryKFailures(int k, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00500" > integer_search.cc:500< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a71fa416b44768076a0e7dd7777ab433d" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a71fa416b44768076a0e7dd7777ab433d" > operations_research::sat::ChooseBestObjectiveValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral ChooseBestObjectiveValue(IntegerVariable var, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00048" > integer_search.cc:48< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a744ac200820f62ff97a4da72223cbb54" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a744ac200820f62ff97a4da72223cbb54" > operations_research::sat::RandomizeOnRestartHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> RandomizeOnRestartHeuristic(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00351" > integer_search.cc:351< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a7ac1d9dc3254d77ade7bdbf984884b7e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e" > operations_research::sat::ConfigureSearchHeuristics< / a > < / div > < div class = "ttdeci" > void ConfigureSearchHeuristics(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00528" > integer_search.cc:528< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a7e0c6e9c16089229f5ae7a34ec631604" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a7e0c6e9c16089229f5ae7a34ec631604" > operations_research::sat::CompleteHeuristics< / a > < / div > < div class = "ttdeci" > std::vector< std::function< BooleanOrIntegerLiteral()> > CompleteHeuristics(const std::vector< std::function< BooleanOrIntegerLiteral()> > & incomplete_heuristics, const std::function< BooleanOrIntegerLiteral()> & completion_heuristic)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00640" > integer_search.cc:640< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a7f1ac774d4646a83631f8117f4ea03f5" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5" > operations_research::sat::PositiveVariable< / a > < / div > < div class = "ttdeci" > IntegerVariable PositiveVariable(IntegerVariable i)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00139" > integer.h:139< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a88ab44e20ce09e9942f6b8411452df27" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > operations_research::sat::IntegerValueSelectionHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> IntegerValueSelectionHeuristic(std::function< BooleanOrIntegerLiteral()> var_selection_heuristic, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00260" > integer_search.cc:260< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a8bea9a6a0de60c8fdab99ad7dfdf8498" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a8bea9a6a0de60c8fdab99ad7dfdf8498" > operations_research::sat::SolveIntegerProblem< / a > < / div > < div class = "ttdeci" > SatSolver::Status SolveIntegerProblem(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00653" > integer_search.cc:653< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a8f18cefafff72d70f6e96ed3f2ef84aa" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > operations_research::sat::SatSolverHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> SatSolverHeuristic(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00317" > integer_search.cc:317< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a98bb3bb08c5a9f5c119cf0973bbe5cf8" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a98bb3bb08c5a9f5c119cf0973bbe5cf8" > operations_research::sat::GetBoundChanges< / a > < / div > < div class = "ttdeci" > std::vector< PseudoCosts::VariableBoundChange > GetBoundChanges(LiteralIndex decision, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pseudo__costs_8cc_source.html#l00099" > pseudo_costs.cc:99< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aae43e784db06c0974ce59ebbe8dd2b22" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22" > operations_research::sat::NegationOf< / a > < / div > < div class = "ttdeci" > std::vector< IntegerVariable > NegationOf(const std::vector< IntegerVariable > & vars)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8cc_source.html#l00029" > integer.cc:29< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_abb234c348ddabb307c1170b3e4c7f2b9" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#abb234c348ddabb307c1170b3e4c7f2b9" > operations_research::sat::ContinuousProbing< / a > < / div > < div class = "ttdeci" > SatSolver::Status ContinuousProbing(const std::vector< BooleanVariable > & bool_vars, const std::vector< IntegerVariable > & int_vars, const std::function< void()> & feasible_solution_observer, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00927" > integer_search.cc:927< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_abcf8d0c663710a1e395489e62de487b1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > operations_research::sat::SequentialSearch< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> SequentialSearch(std::vector< std::function< BooleanOrIntegerLiteral()> > heuristics)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00189" > integer_search.cc:189< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ac0774a1df651b83339b00fee0bde1cd8" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ac0774a1df651b83339b00fee0bde1cd8" > operations_research::sat::SplitAroundLpValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral SplitAroundLpValue(IntegerVariable var, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00099" > integer_search.cc:99< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ac4a25d47a029efe205efbc015f7c7e7c" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ac4a25d47a029efe205efbc015f7c7e7c" > operations_research::sat::SplitUsingBestSolutionValueInRepository< / a > < / div > < div class = "ttdeci" > IntegerLiteral SplitUsingBestSolutionValueInRepository(IntegerVariable var, const SharedSolutionRepository< int64_t > & solution_repo, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00129" > integer_search.cc:129< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_add67896a84f6372a648154c5770a0ae0" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0" > operations_research::sat::kNoBooleanVariable< / a > < / div > < div class = "ttdeci" > const BooleanVariable kNoBooleanVariable(-1)< / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > operations_research::sat::LinearizedPartIsLarge< / a > < / div > < div class = "ttdeci" > bool LinearizedPartIsLarge(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00247" > integer_search.cc:247< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aef1ea7e6296a28c0fa0752328d8cb900" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aef1ea7e6296a28c0fa0752328d8cb900" > operations_research::sat::RandomizeDecisionHeuristic< / a > < / div > < div class = "ttdeci" > void RandomizeDecisionHeuristic(URBG *random, SatParameters *parameters)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2util_8h_source.html#l00101" > sat/util.h:101< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aefab46ecc02eb059ed853ee0213be7fb" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aefab46ecc02eb059ed853ee0213be7fb" > operations_research::sat::PseudoCost< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> PseudoCost(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00330" > integer_search.cc:330< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_afc647a54403bf1bedce9b09841748c91" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#afc647a54403bf1bedce9b09841748c91" > operations_research::sat::SequentialValueSelection< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> SequentialValueSelection(std::vector< std::function< IntegerLiteral(IntegerVariable)> > value_selection_heuristics, std::function< BooleanOrIntegerLiteral()> var_selection_heuristic, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00200" > integer_search.cc:200< / 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 >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aprobing_8h_html" > < div class = "ttname" > < a href = "probing_8h.html" > probing.h< / a > < / div > < / div >
< div class = "ttc" id = "apseudo__costs_8h_html" > < div class = "ttname" > < a href = "pseudo__costs_8h.html" > pseudo_costs.h< / a > < / div > < / div >
< div class = "ttc" id = "arins_8h_html" > < div class = "ttname" > < a href = "rins_8h.html" > rins.h< / 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__base_8h_html" > < div class = "ttname" > < a href = "sat__base_8h.html" > sat_base.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 = "asat__inprocessing_8h_html" > < div class = "ttname" > < a href = "sat__inprocessing_8h.html" > sat_inprocessing.h< / a > < / div > < / div >
< div class = "ttc" id = "asat__parameters_8pb_8h_html" > < div class = "ttname" > < a href = "sat__parameters_8pb_8h.html" > sat_parameters.pb.h< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > operations_research::sat::BooleanOrIntegerLiteral< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00039" > integer_search.h:39< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_a3c6f3ae96a90c7fcef34dd0f1ce0297e" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > operations_research::sat::BooleanOrIntegerLiteral::boolean_literal_index< / a > < / div > < div class = "ttdeci" > LiteralIndex boolean_literal_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00051" > integer_search.h:51< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_ae26b73bbf70dc88433be39df364ca7c1" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > operations_research::sat::BooleanOrIntegerLiteral::HasValue< / a > < / div > < div class = "ttdeci" > bool HasValue() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00046" > integer_search.h:46< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_aee356429e37f0750e38ee17ae1464a00" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > operations_research::sat::BooleanOrIntegerLiteral::integer_literal< / a > < / div > < div class = "ttdeci" > IntegerLiteral integer_literal< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00052" > integer_search.h:52< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html" > operations_research::sat::IntegerLiteral< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00158" > integer.h:158< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html_a3e2eb445631727dd4abf1d5343f16b2f" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f" > operations_research::sat::IntegerLiteral::LowerOrEqual< / a > < / div > < div class = "ttdeci" > static IntegerLiteral LowerOrEqual(IntegerVariable i, IntegerValue bound)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01275" > integer.h:1275< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html_a6c233aafac25ea66d69de93a83c9be63" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63" > operations_research::sat::IntegerLiteral::GreaterOrEqual< / a > < / div > < div class = "ttdeci" > static IntegerLiteral GreaterOrEqual(IntegerVariable i, IntegerValue bound)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01269" > integer.h:1269< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html_ab6516f556b715738034b30d290c40214" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214" > operations_research::sat::IntegerLiteral::var< / a > < / div > < div class = "ttdeci" > IntegerVariable var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00194" > integer.h:194< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html_ac532c4b500b1a85ea22217f2c65a70ed" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html#ac532c4b500b1a85ea22217f2c65a70ed" > operations_research::sat::IntegerLiteral::IsValid< / a > < / div > < div class = "ttdeci" > bool IsValid() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00175" > integer.h:175< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_level_zero_callback_helper_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html" > operations_research::sat::LevelZeroCallbackHelper< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00084" > integer_search.h:84< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_objective_definition_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_objective_definition.html" > operations_research::sat::ObjectiveDefinition< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__loader_8h_source.html#l00039" > cp_model_loader.h:39< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_objective_definition_html_aa3c0b31567c91babfffd5f9afc3161dc" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_objective_definition.html#aa3c0b31567c91babfffd5f9afc3161dc" > operations_research::sat::ObjectiveDefinition::objective_var< / a > < / div > < div class = "ttdeci" > IntegerVariable objective_var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__loader_8h_source.html#l00042" > cp_model_loader.h:42< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > operations_research::sat::SearchHeuristics< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00060" > integer_search.h:60< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_a0d0b8f29f3557e2ee84f53b45d817e02" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > operations_research::sat::SearchHeuristics::restart_policies< / a > < / div > < div class = "ttdeci" > std::vector< std::function< bool()> > restart_policies< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00065" > integer_search.h:65< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_a3ef187fb1a44e4df4e66c2a59304000e" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a3ef187fb1a44e4df4e66c2a59304000e" > operations_research::sat::SearchHeuristics::hint_search< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> hint_search< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00073" > integer_search.h:73< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_a984249b5c2efe8f16e6942b54be739a5" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > operations_research::sat::SearchHeuristics::fixed_search< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> fixed_search< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00072" > integer_search.h:72< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_af2155539e87804108c670c32478e123d" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > operations_research::sat::SearchHeuristics::policy_index< / a > < / div > < div class = "ttdeci" > int policy_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00068" > integer_search.h:68< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_af925e41205032e143d718455bfeede3c" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > operations_research::sat::SearchHeuristics::decision_policies< / a > < / div > < div class = "ttdeci" > std::vector< std::function< BooleanOrIntegerLiteral()> > decision_policies< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00064" > integer_search.h:64< / a > < / div > < / div >
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